diff options
Diffstat (limited to 'core/src/fxcodec/jbig2')
28 files changed, 9911 insertions, 9911 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h index 1664257411..214688d3b2 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h @@ -1,126 +1,126 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_ARITHMETIC_DECODER_H_
-#define _JBIG2_ARITHMETIC_DECODER_H_
-#include "JBig2_Define.h"
-#include "JBig2_BitStream.h"
-#include "JBig2_ArithQe.h"
-typedef struct {
- unsigned int MPS;
- unsigned int I;
-} JBig2ArithCtx;
-class CJBig2_ArithDecoder : public CJBig2_Object
-{
-public:
-
- CJBig2_ArithDecoder(CJBig2_BitStream *pStream);
-
- ~CJBig2_ArithDecoder();
-
- int DECODE(JBig2ArithCtx *pCX);
-private:
-
- void INITDEC();
-
- void BYTEIN();
- unsigned char B;
- unsigned int C;
- unsigned int A;
- unsigned int CT;
- CJBig2_BitStream *m_pStream;
-};
-inline CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream *pStream)
-{
- m_pStream = pStream;
- INITDEC();
-}
-inline CJBig2_ArithDecoder::~CJBig2_ArithDecoder()
-{
-}
-inline void CJBig2_ArithDecoder::INITDEC()
-{
- B = m_pStream->getCurByte_arith();
- C = (B ^ 0xff) << 16;;
- BYTEIN();
- C = C << 7;
- CT = CT - 7;
- A = 0x8000;
-}
-inline void CJBig2_ArithDecoder::BYTEIN()
-{
- unsigned char B1;
- if(B == 0xff) {
- B1 = m_pStream->getNextByte_arith();
- if(B1 > 0x8f) {
- CT = 8;
- } else {
- m_pStream->incByteIdx();
- B = B1;
- C = C + 0xfe00 - (B << 9);
- CT = 7;
- }
- } else {
- m_pStream->incByteIdx();
- B = m_pStream->getCurByte_arith();
- C = C + 0xff00 - (B << 8);
- CT = 8;
- }
-}
-inline int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx *pCX)
-{
- int D;
- const JBig2ArithQe * qe = &QeTable[pCX->I];
- A = A - qe->Qe;
- if((C >> 16) < A) {
- if(A & 0x8000) {
- D = pCX->MPS;
- } else {
- if(A < qe->Qe) {
- D = 1 - pCX->MPS;
- if(qe->nSwitch == 1) {
- pCX->MPS = 1 - pCX->MPS;
- }
- pCX->I = qe->NLPS;
- } else {
- D = pCX->MPS;
- pCX->I = qe->NMPS;
- }
- do {
- if (CT == 0) {
- BYTEIN();
- }
- A <<= 1;
- C <<= 1;
- CT--;
- } while ((A & 0x8000) == 0);
- }
- } else {
- C -= A << 16;
- if(A < qe->Qe) {
- A = qe->Qe;
- D = pCX->MPS;
- pCX->I = qe->NMPS;
- } else {
- A = qe->Qe;
- D = 1 - pCX->MPS;
- if(qe->nSwitch == 1) {
- pCX->MPS = 1 - pCX->MPS;
- }
- pCX->I = qe->NLPS;
- }
- do {
- if (CT == 0) {
- BYTEIN();
- }
- A <<= 1;
- C <<= 1;
- CT--;
- } while ((A & 0x8000) == 0);
- }
- return D;
-}
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_ARITHMETIC_DECODER_H_ +#define _JBIG2_ARITHMETIC_DECODER_H_ +#include "JBig2_Define.h" +#include "JBig2_BitStream.h" +#include "JBig2_ArithQe.h" +typedef struct { + unsigned int MPS; + unsigned int I; +} JBig2ArithCtx; +class CJBig2_ArithDecoder : public CJBig2_Object +{ +public: + + CJBig2_ArithDecoder(CJBig2_BitStream *pStream); + + ~CJBig2_ArithDecoder(); + + int DECODE(JBig2ArithCtx *pCX); +private: + + void INITDEC(); + + void BYTEIN(); + unsigned char B; + unsigned int C; + unsigned int A; + unsigned int CT; + CJBig2_BitStream *m_pStream; +}; +inline CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream *pStream) +{ + m_pStream = pStream; + INITDEC(); +} +inline CJBig2_ArithDecoder::~CJBig2_ArithDecoder() +{ +} +inline void CJBig2_ArithDecoder::INITDEC() +{ + B = m_pStream->getCurByte_arith(); + C = (B ^ 0xff) << 16;; + BYTEIN(); + C = C << 7; + CT = CT - 7; + A = 0x8000; +} +inline void CJBig2_ArithDecoder::BYTEIN() +{ + unsigned char B1; + if(B == 0xff) { + B1 = m_pStream->getNextByte_arith(); + if(B1 > 0x8f) { + CT = 8; + } else { + m_pStream->incByteIdx(); + B = B1; + C = C + 0xfe00 - (B << 9); + CT = 7; + } + } else { + m_pStream->incByteIdx(); + B = m_pStream->getCurByte_arith(); + C = C + 0xff00 - (B << 8); + CT = 8; + } +} +inline int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx *pCX) +{ + int D; + const JBig2ArithQe * qe = &QeTable[pCX->I]; + A = A - qe->Qe; + if((C >> 16) < A) { + if(A & 0x8000) { + D = pCX->MPS; + } else { + if(A < qe->Qe) { + D = 1 - pCX->MPS; + if(qe->nSwitch == 1) { + pCX->MPS = 1 - pCX->MPS; + } + pCX->I = qe->NLPS; + } else { + D = pCX->MPS; + pCX->I = qe->NMPS; + } + do { + if (CT == 0) { + BYTEIN(); + } + A <<= 1; + C <<= 1; + CT--; + } while ((A & 0x8000) == 0); + } + } else { + C -= A << 16; + if(A < qe->Qe) { + A = qe->Qe; + D = pCX->MPS; + pCX->I = qe->NMPS; + } else { + A = qe->Qe; + D = 1 - pCX->MPS; + if(qe->nSwitch == 1) { + pCX->MPS = 1 - pCX->MPS; + } + pCX->I = qe->NLPS; + } + do { + if (CT == 0) { + BYTEIN(); + } + A <<= 1; + C <<= 1; + CT--; + } while ((A & 0x8000) == 0); + } + return D; +} +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp index bb4e0bba9f..1e115848a3 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp @@ -1,105 +1,105 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_ArithIntDecoder.h"
-CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder()
-{
- IAx = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), 512);
- JBIG2_memset(IAx, 0, sizeof(JBig2ArithCtx) * 512);
-}
-CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder()
-{
- m_pModule->JBig2_Free(IAx);
-}
-int CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult)
-{
- int PREV, V;
- int S, D;
- int nNeedBits, nTemp, i;
- PREV = 1;
- S = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | S;
- D = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | D;
- if(D) {
- D = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | D;
- if(D) {
- D = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | D;
- if(D) {
- D = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | D;
- if(D) {
- D = pArithDecoder->DECODE(IAx + PREV);
- PREV = (PREV << 1) | D;
- if(D) {
- nNeedBits = 32;
- V = 4436;
- } else {
- nNeedBits = 12;
- V = 340;
- }
- } else {
- nNeedBits = 8;
- V = 84;
- }
- } else {
- nNeedBits = 6;
- V = 20;
- }
- } else {
- nNeedBits = 4;
- V = 4;
- }
- } else {
- nNeedBits = 2;
- V = 0;
- }
- nTemp = 0;
- for(i = 0; i < nNeedBits; i++) {
- D = pArithDecoder->DECODE(IAx + PREV);
- if(PREV < 256) {
- PREV = (PREV << 1) | D;
- } else {
- PREV = (((PREV << 1) | D) & 511) | 256;
- }
- nTemp = (nTemp << 1) | D;
- }
- V += nTemp;
- if(S == 1 && V > 0) {
- V = -V;
- }
- *nResult = V;
- if(S == 1 && V == 0) {
- return JBIG2_OOB;
- }
- return 0;
-}
-CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA)
-{
- SBSYMCODELEN = SBSYMCODELENA;
- IAID = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), (1 << SBSYMCODELEN));
- JBIG2_memset(IAID, 0, sizeof(JBig2ArithCtx) * (int)(1 << SBSYMCODELEN));
-}
-CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder()
-{
- m_pModule->JBig2_Free(IAID);
-}
-int CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult)
-{
- int PREV;
- int D;
- int i;
- PREV = 1;
- for(i = 0; i < SBSYMCODELEN; i++) {
- D = pArithDecoder->DECODE(IAID + PREV);
- PREV = (PREV << 1) | D;
- }
- PREV = PREV - (1 << SBSYMCODELEN);
- *nResult = PREV;
- return 0;
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_ArithIntDecoder.h" +CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() +{ + IAx = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), 512); + JBIG2_memset(IAx, 0, sizeof(JBig2ArithCtx) * 512); +} +CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() +{ + m_pModule->JBig2_Free(IAx); +} +int CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult) +{ + int PREV, V; + int S, D; + int nNeedBits, nTemp, i; + PREV = 1; + S = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | S; + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if(D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if(D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if(D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if(D) { + D = pArithDecoder->DECODE(IAx + PREV); + PREV = (PREV << 1) | D; + if(D) { + nNeedBits = 32; + V = 4436; + } else { + nNeedBits = 12; + V = 340; + } + } else { + nNeedBits = 8; + V = 84; + } + } else { + nNeedBits = 6; + V = 20; + } + } else { + nNeedBits = 4; + V = 4; + } + } else { + nNeedBits = 2; + V = 0; + } + nTemp = 0; + for(i = 0; i < nNeedBits; i++) { + D = pArithDecoder->DECODE(IAx + PREV); + if(PREV < 256) { + PREV = (PREV << 1) | D; + } else { + PREV = (((PREV << 1) | D) & 511) | 256; + } + nTemp = (nTemp << 1) | D; + } + V += nTemp; + if(S == 1 && V > 0) { + V = -V; + } + *nResult = V; + if(S == 1 && V == 0) { + return JBIG2_OOB; + } + return 0; +} +CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA) +{ + SBSYMCODELEN = SBSYMCODELENA; + IAID = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), (1 << SBSYMCODELEN)); + JBIG2_memset(IAID, 0, sizeof(JBig2ArithCtx) * (int)(1 << SBSYMCODELEN)); +} +CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() +{ + m_pModule->JBig2_Free(IAID); +} +int CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult) +{ + int PREV; + int D; + int i; + PREV = 1; + for(i = 0; i < SBSYMCODELEN; i++) { + D = pArithDecoder->DECODE(IAID + PREV); + PREV = (PREV << 1) | D; + } + PREV = PREV - (1 << SBSYMCODELEN); + *nResult = PREV; + return 0; +} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h index ad4656f54d..4ea104cf65 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h @@ -1,39 +1,39 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_ARITH_INT_DECODER_H_
-#define _JBIG2_ARITH_INT_DECODER_H_
-#include "JBig2_Module.h"
-#include "JBig2_ArithDecoder.h"
-class CJBig2_ArithIntDecoder : public CJBig2_Object
-{
-public:
-
- CJBig2_ArithIntDecoder();
-
- ~CJBig2_ArithIntDecoder();
-
- int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult);
-private:
-
- JBig2ArithCtx *IAx;
-};
-class CJBig2_ArithIaidDecoder : public CJBig2_Object
-{
-public:
-
- CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA);
-
- ~CJBig2_ArithIaidDecoder();
-
- int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult);
-private:
-
- JBig2ArithCtx *IAID;
-
- unsigned char SBSYMCODELEN;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_ARITH_INT_DECODER_H_ +#define _JBIG2_ARITH_INT_DECODER_H_ +#include "JBig2_Module.h" +#include "JBig2_ArithDecoder.h" +class CJBig2_ArithIntDecoder : public CJBig2_Object +{ +public: + + CJBig2_ArithIntDecoder(); + + ~CJBig2_ArithIntDecoder(); + + int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult); +private: + + JBig2ArithCtx *IAx; +}; +class CJBig2_ArithIaidDecoder : public CJBig2_Object +{ +public: + + CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); + + ~CJBig2_ArithIaidDecoder(); + + int decode(CJBig2_ArithDecoder *pArithDecoder, int *nResult); +private: + + JBig2ArithCtx *IAID; + + unsigned char SBSYMCODELEN; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_ArithQe.h b/core/src/fxcodec/jbig2/JBig2_ArithQe.h index 17bc18aa03..60fbbc9ac3 100644 --- a/core/src/fxcodec/jbig2/JBig2_ArithQe.h +++ b/core/src/fxcodec/jbig2/JBig2_ArithQe.h @@ -1,64 +1,64 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_ARITH_QE_H_
-#define _JBIG2_ARITH_QE_H_
-typedef struct {
- unsigned int Qe;
- unsigned int NMPS;
- unsigned int NLPS;
- unsigned int nSwitch;
-} JBig2ArithQe;
-const JBig2ArithQe QeTable[] = {
- { 0x5601, 1, 1, 1 },
- { 0x3401, 2, 6, 0 },
- { 0x1801, 3, 9, 0 },
- { 0x0AC1, 4, 12, 0 },
- { 0x0521, 5, 29, 0 },
- { 0x0221, 38, 33, 0 },
- { 0x5601, 7, 6, 1 },
- { 0x5401, 8, 14, 0 },
- { 0x4801, 9, 14, 0 },
- { 0x3801, 10, 14, 0 },
- { 0x3001, 11, 17, 0 },
- { 0x2401, 12, 18, 0 },
- { 0x1C01, 13, 20, 0 },
- { 0x1601, 29, 21, 0 },
- { 0x5601, 15, 14, 1 },
- { 0x5401, 16, 14, 0 },
- { 0x5101, 17, 15, 0 },
- { 0x4801, 18, 16, 0 },
- { 0x3801, 19, 17, 0 },
- { 0x3401, 20, 18, 0 },
- { 0x3001, 21, 19, 0 },
- { 0x2801, 22, 19, 0 },
- { 0x2401, 23, 20, 0 },
- { 0x2201, 24, 21, 0 },
- { 0x1C01, 25, 22, 0 },
- { 0x1801, 26, 23, 0 },
- { 0x1601, 27, 24, 0 },
- { 0x1401, 28, 25, 0 },
- { 0x1201, 29, 26, 0 },
- { 0x1101, 30, 27, 0 },
- { 0x0AC1, 31, 28, 0 },
- { 0x09C1, 32, 29, 0 },
- { 0x08A1, 33, 30, 0 },
- { 0x0521, 34, 31, 0 },
- { 0x0441, 35, 32, 0 },
- { 0x02A1, 36, 33, 0 },
- { 0x0221, 37, 34, 0 },
- { 0x0141, 38, 35, 0 },
- { 0x0111, 39, 36, 0 },
- { 0x0085, 40, 37, 0 },
- { 0x0049, 41, 38, 0 },
- { 0x0025, 42, 39, 0 },
- { 0x0015, 43, 40, 0 },
- { 0x0009, 44, 41, 0 },
- { 0x0005, 45, 42, 0 },
- { 0x0001, 45, 43, 0 },
- { 0x5601, 46, 46, 0 }
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_ARITH_QE_H_ +#define _JBIG2_ARITH_QE_H_ +typedef struct { + unsigned int Qe; + unsigned int NMPS; + unsigned int NLPS; + unsigned int nSwitch; +} JBig2ArithQe; +const JBig2ArithQe QeTable[] = { + { 0x5601, 1, 1, 1 }, + { 0x3401, 2, 6, 0 }, + { 0x1801, 3, 9, 0 }, + { 0x0AC1, 4, 12, 0 }, + { 0x0521, 5, 29, 0 }, + { 0x0221, 38, 33, 0 }, + { 0x5601, 7, 6, 1 }, + { 0x5401, 8, 14, 0 }, + { 0x4801, 9, 14, 0 }, + { 0x3801, 10, 14, 0 }, + { 0x3001, 11, 17, 0 }, + { 0x2401, 12, 18, 0 }, + { 0x1C01, 13, 20, 0 }, + { 0x1601, 29, 21, 0 }, + { 0x5601, 15, 14, 1 }, + { 0x5401, 16, 14, 0 }, + { 0x5101, 17, 15, 0 }, + { 0x4801, 18, 16, 0 }, + { 0x3801, 19, 17, 0 }, + { 0x3401, 20, 18, 0 }, + { 0x3001, 21, 19, 0 }, + { 0x2801, 22, 19, 0 }, + { 0x2401, 23, 20, 0 }, + { 0x2201, 24, 21, 0 }, + { 0x1C01, 25, 22, 0 }, + { 0x1801, 26, 23, 0 }, + { 0x1601, 27, 24, 0 }, + { 0x1401, 28, 25, 0 }, + { 0x1201, 29, 26, 0 }, + { 0x1101, 30, 27, 0 }, + { 0x0AC1, 31, 28, 0 }, + { 0x09C1, 32, 29, 0 }, + { 0x08A1, 33, 30, 0 }, + { 0x0521, 34, 31, 0 }, + { 0x0441, 35, 32, 0 }, + { 0x02A1, 36, 33, 0 }, + { 0x0221, 37, 34, 0 }, + { 0x0141, 38, 35, 0 }, + { 0x0111, 39, 36, 0 }, + { 0x0085, 40, 37, 0 }, + { 0x0049, 41, 38, 0 }, + { 0x0025, 42, 39, 0 }, + { 0x0015, 43, 40, 0 }, + { 0x0009, 44, 41, 0 }, + { 0x0005, 45, 42, 0 }, + { 0x0001, 45, 43, 0 }, + { 0x5601, 46, 46, 0 } +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h index 8ed473a150..9d5d29468f 100644 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.h +++ b/core/src/fxcodec/jbig2/JBig2_BitStream.h @@ -1,316 +1,316 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_BIT_STREAM_H_
-#define _JBIG2_BIT_STREAM_H_
-#include "JBig2_Define.h"
-class CJBig2_BitStream : public CJBig2_Object
-{
-public:
-
- CJBig2_BitStream(FX_BYTE *pBuffer, FX_DWORD dwLength);
-
- CJBig2_BitStream(CJBig2_BitStream &bs);
-
- ~CJBig2_BitStream();
-
- FX_INT32 readNBits(FX_DWORD nBits, FX_DWORD *dwResult);
-
- FX_INT32 readNBits(FX_DWORD nBits, FX_INT32 *nResult);
-
- FX_INT32 read1Bit(FX_DWORD *dwResult);
-
- FX_INT32 read1Bit(FX_BOOL *bResult);
-
- FX_INT32 read1Byte(FX_BYTE *cResult);
-
- FX_INT32 readInteger(FX_DWORD *dwResult);
-
- FX_INT32 readShortInteger(FX_WORD *wResult);
-
- void alignByte();
-
- void align4Byte();
-
- FX_BYTE getAt(FX_DWORD dwOffset);
-
- FX_BYTE getCurByte();
-
- FX_BYTE getNextByte();
-
- FX_INT32 incByteIdx();
-
- FX_BYTE getCurByte_arith();
-
- FX_BYTE getNextByte_arith();
-
- FX_DWORD getOffset();
-
- void setOffset(FX_DWORD dwOffset);
-
- FX_DWORD getBitPos();
-
- void setBitPos(FX_DWORD dwBitPos);
-
- FX_BYTE *getBuf();
-
- FX_DWORD getLength()
- {
- return m_dwLength;
- }
-
- FX_BYTE *getPointer();
-
- void offset(FX_DWORD dwOffset);
-
- FX_DWORD getByteLeft();
-private:
-
- FX_BYTE *m_pBuf;
-
- FX_DWORD m_dwLength;
-
- FX_DWORD m_dwByteIdx;
-
- FX_DWORD m_dwBitIdx;
-};
-inline CJBig2_BitStream::CJBig2_BitStream(FX_BYTE *pBuffer, FX_DWORD dwLength)
-{
- m_pBuf = pBuffer;
- m_dwLength = dwLength;
- m_dwByteIdx = 0;
- m_dwBitIdx = 0;
- if (m_dwLength > 256 * 1024 * 1024) {
- m_dwLength = 0;
- m_pBuf = NULL;
- }
-}
-inline CJBig2_BitStream::CJBig2_BitStream(CJBig2_BitStream &bs)
-{
- m_pBuf = bs.m_pBuf;
- m_dwLength = bs.m_dwLength;
- m_dwByteIdx = bs.m_dwByteIdx;
- m_dwBitIdx = bs.m_dwBitIdx;
-}
-inline CJBig2_BitStream::~CJBig2_BitStream()
-{
-}
-inline FX_INT32 CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_DWORD *dwResult)
-{
- FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx;
- if(dwTemp <= (m_dwLength << 3)) {
- *dwResult = 0;
- if(dwTemp + dwBits <= (m_dwLength << 3)) {
- dwTemp = dwBits;
- } else {
- dwTemp = (m_dwLength << 3) - dwTemp;
- }
- while(dwTemp > 0) {
- *dwResult = (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01);
- if(m_dwBitIdx == 7) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- } else {
- m_dwBitIdx ++;
- }
- dwTemp --;
- }
- return 0;
- } else {
- return -1;
- }
-}
-inline FX_INT32 CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_INT32 *nResult)
-{
- FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx;
- if(dwTemp <= (m_dwLength << 3)) {
- *nResult = 0;
- if(dwTemp + dwBits <= (m_dwLength << 3)) {
- dwTemp = dwBits;
- } else {
- dwTemp = (m_dwLength << 3) - dwTemp;
- }
- while(dwTemp > 0) {
- *nResult = (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01);
- if(m_dwBitIdx == 7) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- } else {
- m_dwBitIdx ++;
- }
- dwTemp --;
- }
- return 0;
- } else {
- return -1;
- }
-}
-
-inline FX_INT32 CJBig2_BitStream::read1Bit(FX_DWORD *dwResult)
-{
- if(m_dwByteIdx < m_dwLength) {
- *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01;
- if(m_dwBitIdx == 7) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- } else {
- m_dwBitIdx ++;
- }
- return 0;
- } else {
- return -1;
- }
-}
-
-inline FX_INT32 CJBig2_BitStream::read1Bit(FX_BOOL *bResult)
-{
- if(m_dwByteIdx < m_dwLength) {
- *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01;
- if(m_dwBitIdx == 7) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- } else {
- m_dwBitIdx ++;
- }
- return 0;
- } else {
- return -1;
- }
-}
-inline FX_INT32 CJBig2_BitStream::read1Byte(FX_BYTE *cResult)
-{
- if(m_dwByteIdx < m_dwLength) {
- *cResult = m_pBuf[m_dwByteIdx];
- m_dwByteIdx ++;
- return 0;
- } else {
- return -1;
- }
-}
-
-inline FX_INT32 CJBig2_BitStream::readInteger(FX_DWORD *dwResult)
-{
- if(m_dwByteIdx + 3 < m_dwLength) {
- *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16)
- | (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3];
- m_dwByteIdx += 4;
- return 0;
- } else {
- return -1;
- }
-}
-
-inline FX_INT32 CJBig2_BitStream::readShortInteger(FX_WORD *dwResult)
-{
- if(m_dwByteIdx + 1 < m_dwLength) {
- *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1];
- m_dwByteIdx += 2;
- return 0;
- } else {
- return -1;
- }
-}
-inline void CJBig2_BitStream::alignByte()
-{
- if(m_dwBitIdx != 0) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- }
-}
-inline void CJBig2_BitStream::align4Byte()
-{
- if(m_dwBitIdx != 0) {
- m_dwByteIdx ++;
- m_dwBitIdx = 0;
- }
- m_dwByteIdx = (m_dwByteIdx + 3) & -4;
-}
-inline FX_BYTE CJBig2_BitStream::getAt(FX_DWORD dwOffset)
-{
- if(dwOffset < m_dwLength) {
- return m_pBuf[dwOffset];
- } else {
- return 0;
- }
-}
-inline FX_BYTE CJBig2_BitStream::getCurByte()
-{
- if(m_dwByteIdx < m_dwLength) {
- return m_pBuf[m_dwByteIdx];
- } else {
- return 0;
- }
-}
-inline FX_BYTE CJBig2_BitStream::getNextByte()
-{
- if(m_dwByteIdx + 1 < m_dwLength) {
- return m_pBuf[m_dwByteIdx + 1];
- } else {
- return 0;
- }
-}
-inline FX_INT32 CJBig2_BitStream::incByteIdx()
-{
- if(m_dwByteIdx < m_dwLength) {
- m_dwByteIdx ++;
- return 0;
- } else {
- return -1;
- }
-}
-inline FX_BYTE CJBig2_BitStream::getCurByte_arith()
-{
- if(m_dwByteIdx < m_dwLength) {
- return m_pBuf[m_dwByteIdx];
- } else {
- return 0xff;
- }
-}
-inline FX_BYTE CJBig2_BitStream::getNextByte_arith()
-{
- if(m_dwByteIdx + 1 < m_dwLength) {
- return m_pBuf[m_dwByteIdx + 1];
- } else {
- return 0xff;
- }
-}
-inline FX_DWORD CJBig2_BitStream::getOffset()
-{
- return m_dwByteIdx;
-}
-inline void CJBig2_BitStream::setOffset(FX_DWORD dwOffset)
-{
- if (dwOffset > m_dwLength) {
- dwOffset = m_dwLength;
- }
- m_dwByteIdx = dwOffset;
-}
-inline FX_DWORD CJBig2_BitStream::getBitPos()
-{
- return (m_dwByteIdx << 3) + m_dwBitIdx;
-}
-inline void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos)
-{
- m_dwByteIdx = dwBitPos >> 3;
- m_dwBitIdx = dwBitPos & 7;
-}
-inline FX_BYTE *CJBig2_BitStream::getBuf()
-{
- return m_pBuf;
-}
-inline FX_BYTE *CJBig2_BitStream::getPointer()
-{
- return m_pBuf + m_dwByteIdx;
-}
-inline void CJBig2_BitStream::offset(FX_DWORD dwOffset)
-{
- m_dwByteIdx += dwOffset;
-}
-inline FX_DWORD CJBig2_BitStream::getByteLeft()
-{
- return m_dwLength - m_dwByteIdx;
-}
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_BIT_STREAM_H_ +#define _JBIG2_BIT_STREAM_H_ +#include "JBig2_Define.h" +class CJBig2_BitStream : public CJBig2_Object +{ +public: + + CJBig2_BitStream(FX_BYTE *pBuffer, FX_DWORD dwLength); + + CJBig2_BitStream(CJBig2_BitStream &bs); + + ~CJBig2_BitStream(); + + FX_INT32 readNBits(FX_DWORD nBits, FX_DWORD *dwResult); + + FX_INT32 readNBits(FX_DWORD nBits, FX_INT32 *nResult); + + FX_INT32 read1Bit(FX_DWORD *dwResult); + + FX_INT32 read1Bit(FX_BOOL *bResult); + + FX_INT32 read1Byte(FX_BYTE *cResult); + + FX_INT32 readInteger(FX_DWORD *dwResult); + + FX_INT32 readShortInteger(FX_WORD *wResult); + + void alignByte(); + + void align4Byte(); + + FX_BYTE getAt(FX_DWORD dwOffset); + + FX_BYTE getCurByte(); + + FX_BYTE getNextByte(); + + FX_INT32 incByteIdx(); + + FX_BYTE getCurByte_arith(); + + FX_BYTE getNextByte_arith(); + + FX_DWORD getOffset(); + + void setOffset(FX_DWORD dwOffset); + + FX_DWORD getBitPos(); + + void setBitPos(FX_DWORD dwBitPos); + + FX_BYTE *getBuf(); + + FX_DWORD getLength() + { + return m_dwLength; + } + + FX_BYTE *getPointer(); + + void offset(FX_DWORD dwOffset); + + FX_DWORD getByteLeft(); +private: + + FX_BYTE *m_pBuf; + + FX_DWORD m_dwLength; + + FX_DWORD m_dwByteIdx; + + FX_DWORD m_dwBitIdx; +}; +inline CJBig2_BitStream::CJBig2_BitStream(FX_BYTE *pBuffer, FX_DWORD dwLength) +{ + m_pBuf = pBuffer; + m_dwLength = dwLength; + m_dwByteIdx = 0; + m_dwBitIdx = 0; + if (m_dwLength > 256 * 1024 * 1024) { + m_dwLength = 0; + m_pBuf = NULL; + } +} +inline CJBig2_BitStream::CJBig2_BitStream(CJBig2_BitStream &bs) +{ + m_pBuf = bs.m_pBuf; + m_dwLength = bs.m_dwLength; + m_dwByteIdx = bs.m_dwByteIdx; + m_dwBitIdx = bs.m_dwBitIdx; +} +inline CJBig2_BitStream::~CJBig2_BitStream() +{ +} +inline FX_INT32 CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_DWORD *dwResult) +{ + FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; + if(dwTemp <= (m_dwLength << 3)) { + *dwResult = 0; + if(dwTemp + dwBits <= (m_dwLength << 3)) { + dwTemp = dwBits; + } else { + dwTemp = (m_dwLength << 3) - dwTemp; + } + while(dwTemp > 0) { + *dwResult = (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); + if(m_dwBitIdx == 7) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx ++; + } + dwTemp --; + } + return 0; + } else { + return -1; + } +} +inline FX_INT32 CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_INT32 *nResult) +{ + FX_DWORD dwTemp = (m_dwByteIdx << 3) + m_dwBitIdx; + if(dwTemp <= (m_dwLength << 3)) { + *nResult = 0; + if(dwTemp + dwBits <= (m_dwLength << 3)) { + dwTemp = dwBits; + } else { + dwTemp = (m_dwLength << 3) - dwTemp; + } + while(dwTemp > 0) { + *nResult = (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); + if(m_dwBitIdx == 7) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx ++; + } + dwTemp --; + } + return 0; + } else { + return -1; + } +} + +inline FX_INT32 CJBig2_BitStream::read1Bit(FX_DWORD *dwResult) +{ + if(m_dwByteIdx < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; + if(m_dwBitIdx == 7) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx ++; + } + return 0; + } else { + return -1; + } +} + +inline FX_INT32 CJBig2_BitStream::read1Bit(FX_BOOL *bResult) +{ + if(m_dwByteIdx < m_dwLength) { + *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; + if(m_dwBitIdx == 7) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } else { + m_dwBitIdx ++; + } + return 0; + } else { + return -1; + } +} +inline FX_INT32 CJBig2_BitStream::read1Byte(FX_BYTE *cResult) +{ + if(m_dwByteIdx < m_dwLength) { + *cResult = m_pBuf[m_dwByteIdx]; + m_dwByteIdx ++; + return 0; + } else { + return -1; + } +} + +inline FX_INT32 CJBig2_BitStream::readInteger(FX_DWORD *dwResult) +{ + if(m_dwByteIdx + 3 < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) + | (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; + m_dwByteIdx += 4; + return 0; + } else { + return -1; + } +} + +inline FX_INT32 CJBig2_BitStream::readShortInteger(FX_WORD *dwResult) +{ + if(m_dwByteIdx + 1 < m_dwLength) { + *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; + m_dwByteIdx += 2; + return 0; + } else { + return -1; + } +} +inline void CJBig2_BitStream::alignByte() +{ + if(m_dwBitIdx != 0) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } +} +inline void CJBig2_BitStream::align4Byte() +{ + if(m_dwBitIdx != 0) { + m_dwByteIdx ++; + m_dwBitIdx = 0; + } + m_dwByteIdx = (m_dwByteIdx + 3) & -4; +} +inline FX_BYTE CJBig2_BitStream::getAt(FX_DWORD dwOffset) +{ + if(dwOffset < m_dwLength) { + return m_pBuf[dwOffset]; + } else { + return 0; + } +} +inline FX_BYTE CJBig2_BitStream::getCurByte() +{ + if(m_dwByteIdx < m_dwLength) { + return m_pBuf[m_dwByteIdx]; + } else { + return 0; + } +} +inline FX_BYTE CJBig2_BitStream::getNextByte() +{ + if(m_dwByteIdx + 1 < m_dwLength) { + return m_pBuf[m_dwByteIdx + 1]; + } else { + return 0; + } +} +inline FX_INT32 CJBig2_BitStream::incByteIdx() +{ + if(m_dwByteIdx < m_dwLength) { + m_dwByteIdx ++; + return 0; + } else { + return -1; + } +} +inline FX_BYTE CJBig2_BitStream::getCurByte_arith() +{ + if(m_dwByteIdx < m_dwLength) { + return m_pBuf[m_dwByteIdx]; + } else { + return 0xff; + } +} +inline FX_BYTE CJBig2_BitStream::getNextByte_arith() +{ + if(m_dwByteIdx + 1 < m_dwLength) { + return m_pBuf[m_dwByteIdx + 1]; + } else { + return 0xff; + } +} +inline FX_DWORD CJBig2_BitStream::getOffset() +{ + return m_dwByteIdx; +} +inline void CJBig2_BitStream::setOffset(FX_DWORD dwOffset) +{ + if (dwOffset > m_dwLength) { + dwOffset = m_dwLength; + } + m_dwByteIdx = dwOffset; +} +inline FX_DWORD CJBig2_BitStream::getBitPos() +{ + return (m_dwByteIdx << 3) + m_dwBitIdx; +} +inline void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) +{ + m_dwByteIdx = dwBitPos >> 3; + m_dwBitIdx = dwBitPos & 7; +} +inline FX_BYTE *CJBig2_BitStream::getBuf() +{ + return m_pBuf; +} +inline FX_BYTE *CJBig2_BitStream::getPointer() +{ + return m_pBuf + m_dwByteIdx; +} +inline void CJBig2_BitStream::offset(FX_DWORD dwOffset) +{ + m_dwByteIdx += dwOffset; +} +inline FX_DWORD CJBig2_BitStream::getByteLeft() +{ + return m_dwLength - m_dwByteIdx; +} +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp index 856c0c3bda..543f9abf63 100644 --- a/core/src/fxcodec/jbig2/JBig2_Context.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp @@ -1,1812 +1,1812 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_Context.h"
-void OutputBitmap(CJBig2_Image* pImage)
-{
- if(!pImage) {
- return;
- }
-}
-CJBig2_Context *CJBig2_Context::CreateContext(CJBig2_Module *pModule, FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength,
- FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause)
-{
- return new(pModule) CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength, nStreamType, pPause);
-}
-void CJBig2_Context::DestroyContext(CJBig2_Context *pContext)
-{
- if(pContext) {
- delete pContext;
- }
-}
-CJBig2_Context::CJBig2_Context(FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength,
- FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause)
-{
- if(pGlobalData && (dwGlobalLength > 0)) {
- JBIG2_ALLOC(m_pGlobalContext, CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength,
- JBIG2_EMBED_STREAM, pPause));
- } else {
- m_pGlobalContext = NULL;
- }
- JBIG2_ALLOC(m_pStream, CJBig2_BitStream(pData, dwLength));
- m_nStreamType = nStreamType;
- m_nState = JBIG2_OUT_OF_PAGE;
- JBIG2_ALLOC(m_pSegmentList, CJBig2_List<CJBig2_Segment>);
- JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(1));
- m_pPage = NULL;
- m_bBufSpecified = FALSE;
- m_pPause = pPause;
- m_nSegmentDecoded = 0;
- m_PauseStep = 10;
- m_pArithDecoder = NULL;
- m_pGRD = NULL;
- m_gbContext = NULL;
- m_pSegment = NULL;
- m_dwOffset = 0;
- m_ProcessiveStatus = FXCODEC_STATUS_FRAME_READY;
-}
-CJBig2_Context::~CJBig2_Context()
-{
- if(m_pArithDecoder) {
- delete m_pArithDecoder;
- }
- m_pArithDecoder = NULL;
- if(m_pGRD) {
- delete m_pGRD;
- }
- m_pGRD = NULL;
- if(m_gbContext) {
- delete m_gbContext;
- }
- m_gbContext = NULL;
- if(m_pGlobalContext) {
- delete m_pGlobalContext;
- }
- m_pGlobalContext = NULL;
- if(m_pPageInfoList) {
- delete m_pPageInfoList;
- }
- m_pPageInfoList = NULL;
- if(m_bBufSpecified && m_pPage) {
- delete m_pPage;
- }
- m_pPage = NULL;
- if(m_pStream) {
- delete m_pStream;
- }
- m_pStream = NULL;
- if(m_pSegmentList) {
- delete m_pSegmentList;
- }
- m_pSegmentList = NULL;
-}
-FX_INT32 CJBig2_Context::decodeFile(IFX_Pause* pPause)
-{
- FX_BYTE cFlags;
- FX_DWORD dwTemp;
- const FX_BYTE fileID[] = {0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A};
- FX_INT32 nRet;
- if(m_pStream->getByteLeft() < 8) {
- m_pModule->JBig2_Error("file header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if(JBIG2_memcmp(m_pStream->getPointer(), fileID, 8) != 0) {
- m_pModule->JBig2_Error("not jbig2 file");
- nRet = JBIG2_ERROR_FILE_FORMAT;
- goto failed;
- }
- m_pStream->offset(8);
- if(m_pStream->read1Byte(&cFlags) != 0) {
- m_pModule->JBig2_Error("file header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if(!(cFlags & 0x02)) {
- if(m_pStream->readInteger(&dwTemp) != 0) {
- m_pModule->JBig2_Error("file header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if(dwTemp > 0) {
- delete m_pPageInfoList;
- JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(dwTemp));
- }
- }
- if(cFlags & 0x01) {
- m_nStreamType = JBIG2_SQUENTIAL_STREAM;
- return decode_SquentialOrgnazation(pPause);
- } else {
- m_nStreamType = JBIG2_RANDOM_STREAM;
- return decode_RandomOrgnazation_FirstPage(pPause);
- }
-failed:
- return nRet;
-}
-FX_INT32 CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause)
-{
- FX_INT32 nRet;
- if(m_pStream->getByteLeft() > 0) {
- while(m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) {
- if(m_pSegment == NULL) {
- JBIG2_ALLOC(m_pSegment, CJBig2_Segment());
- nRet = parseSegmentHeader(m_pSegment);
- if(nRet != JBIG2_SUCCESS) {
- delete m_pSegment;
- m_pSegment = NULL;
- return nRet;
- }
- m_dwOffset = m_pStream->getOffset();
- }
- nRet = parseSegmentData(m_pSegment, pPause);
- if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- m_PauseStep = 2;
- return JBIG2_SUCCESS;
- }
- if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) {
- delete m_pSegment;
- m_pSegment = NULL;
- break;
- } else if(nRet != JBIG2_SUCCESS) {
- delete m_pSegment;
- m_pSegment = NULL;
- return nRet;
- }
- m_pSegmentList->addItem(m_pSegment);
- if(m_pSegment->m_dwData_length != 0xffffffff) {
- m_dwOffset = m_dwOffset + m_pSegment->m_dwData_length;
- m_pStream->setOffset(m_dwOffset);
- } else {
- m_pStream->offset(4);
- }
- OutputBitmap(m_pPage);
- m_pSegment = NULL;
- if(m_pStream->getByteLeft() > 0 && m_pPage && pPause && pPause->NeedToPauseNow()) {
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- m_PauseStep = 2;
- return JBIG2_SUCCESS;
- }
- }
- } else {
- return JBIG2_END_OF_FILE;
- }
- return JBIG2_SUCCESS;
-}
-FX_INT32 CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause)
-{
- return decode_SquentialOrgnazation(pPause);
-}
-FX_INT32 CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause)
-{
- CJBig2_Segment *pSegment;
- FX_INT32 nRet;
- while(m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) {
- JBIG2_ALLOC(pSegment, CJBig2_Segment());
- nRet = parseSegmentHeader(pSegment);
- if(nRet != JBIG2_SUCCESS) {
- delete pSegment;
- return nRet;
- } else if(pSegment->m_cFlags.s.type == 51) {
- delete pSegment;
- break;
- }
- m_pSegmentList->addItem(pSegment);
- if(pPause && m_pPause && pPause->NeedToPauseNow()) {
- m_PauseStep = 3;
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return JBIG2_SUCCESS;
- }
- }
- m_nSegmentDecoded = 0;
- return decode_RandomOrgnazation(pPause);
-}
-FX_INT32 CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause)
-{
- FX_INT32 nRet;
- for(; m_nSegmentDecoded < m_pSegmentList->getLength(); m_nSegmentDecoded++) {
- nRet = parseSegmentData(m_pSegmentList->getAt(m_nSegmentDecoded), pPause);
- if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) {
- break;
- } else if(nRet != JBIG2_SUCCESS) {
- return nRet;
- }
- if(m_pPage && pPause && pPause->NeedToPauseNow()) {
- m_PauseStep = 4;
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return JBIG2_SUCCESS;
- }
- }
- return JBIG2_SUCCESS;
-}
-FX_INT32 CJBig2_Context::getFirstPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause)
-{
- FX_INT32 nRet = 0;
- if(m_pGlobalContext) {
- nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause);
- if(nRet != JBIG2_SUCCESS) {
- m_ProcessiveStatus = FXCODEC_STATUS_ERROR;
- return nRet;
- }
- }
- m_bFirstPage = TRUE;
- m_PauseStep = 0;
- if(m_pPage) {
- delete m_pPage;
- }
- JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf));
- m_bBufSpecified = TRUE;
- if(m_pPage && pPause && pPause->NeedToPauseNow()) {
- m_PauseStep = 1;
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return nRet;
- }
- int ret = Continue(pPause);
- return ret;
-}
-FX_INT32 CJBig2_Context::Continue(IFX_Pause* pPause)
-{
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_READY;
- FX_INT32 nRet;
- if(m_PauseStep <= 1) {
- switch(m_nStreamType) {
- case JBIG2_FILE_STREAM:
- nRet = decodeFile(pPause);
- break;
- case JBIG2_SQUENTIAL_STREAM:
- nRet = decode_SquentialOrgnazation(pPause);
- break;
- case JBIG2_RANDOM_STREAM:
- if(m_bFirstPage) {
- nRet = decode_RandomOrgnazation_FirstPage(pPause);
- } else {
- nRet = decode_RandomOrgnazation(pPause);
- }
- break;
- case JBIG2_EMBED_STREAM:
- nRet = decode_EmbedOrgnazation(pPause);
- break;
- default:
- m_ProcessiveStatus = FXCODEC_STATUS_ERROR;
- return JBIG2_ERROR_STREAM_TYPE;
- }
- } else if(m_PauseStep == 2) {
- nRet = decode_SquentialOrgnazation(pPause);
- } else if(m_PauseStep == 3) {
- nRet = decode_RandomOrgnazation_FirstPage(pPause);
- } else if(m_PauseStep == 4) {
- nRet = decode_RandomOrgnazation(pPause);
- } else if(m_PauseStep == 5) {
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return JBIG2_SUCCESS;
- }
- if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- return nRet;
- }
- m_PauseStep = 5;
- if(!m_bBufSpecified && nRet == JBIG2_SUCCESS) {
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return JBIG2_SUCCESS;
- }
- if(nRet == JBIG2_SUCCESS) {
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- } else {
- m_ProcessiveStatus = FXCODEC_STATUS_ERROR;
- }
- return nRet;
-}
-FX_INT32 CJBig2_Context::getNextPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause)
-{
- FX_INT32 nRet = JBIG2_ERROR_STREAM_TYPE;
- m_bFirstPage = FALSE;
- m_PauseStep = 0;
- if(m_pPage) {
- delete m_pPage;
- }
- JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf));
- m_bBufSpecified = TRUE;
- if(m_pPage && pPause && pPause->NeedToPauseNow()) {
- m_PauseStep = 1;
- m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return nRet;
- }
- return Continue(pPause);
- switch(m_nStreamType) {
- case JBIG2_FILE_STREAM:
- nRet = decodeFile(pPause);
- break;
- case JBIG2_SQUENTIAL_STREAM:
- nRet = decode_SquentialOrgnazation(pPause);
- break;
- case JBIG2_RANDOM_STREAM:
- nRet = decode_RandomOrgnazation(pPause);
- break;
- case JBIG2_EMBED_STREAM:
- nRet = decode_EmbedOrgnazation(pPause);
- break;
- default:
- return JBIG2_ERROR_STREAM_TYPE;
- }
- return nRet;
-}
-FX_INT32 CJBig2_Context::getFirstPage(CJBig2_Image **image, IFX_Pause* pPause)
-{
- FX_INT32 nRet;
- m_bFirstPage = TRUE;
- m_PauseStep = 0;
- if(m_pGlobalContext) {
- nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause);
- if(nRet != JBIG2_SUCCESS) {
- return nRet;
- }
- }
- m_bBufSpecified = FALSE;
- return Continue(pPause);
-}
-FX_INT32 CJBig2_Context::getNextPage(CJBig2_Image **image, IFX_Pause* pPause)
-{
- FX_INT32 nRet;
- m_bBufSpecified = FALSE;
- m_bFirstPage = FALSE;
- m_PauseStep = 0;
- switch(m_nStreamType) {
- case JBIG2_FILE_STREAM:
- nRet = decodeFile(pPause);
- break;
- case JBIG2_SQUENTIAL_STREAM:
- nRet = decode_SquentialOrgnazation(pPause);
- break;
- case JBIG2_RANDOM_STREAM:
- nRet = decode_RandomOrgnazation(pPause);
- break;
- case JBIG2_EMBED_STREAM:
- nRet = decode_EmbedOrgnazation(pPause);
- break;
- default:
- return JBIG2_ERROR_STREAM_TYPE;
- }
- if(nRet == JBIG2_SUCCESS) {
- *image = m_pPage;
- m_pPage = NULL;
- return JBIG2_SUCCESS;
- }
- return nRet;
-}
-CJBig2_Segment *CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber)
-{
- CJBig2_Segment *pSeg;
- FX_INT32 i;
- if(m_pGlobalContext) {
- pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber);
- if(pSeg) {
- return pSeg;
- }
- }
- for(i = 0; i < m_pSegmentList->getLength(); i++) {
- pSeg = m_pSegmentList->getAt(i);
- if(pSeg->m_dwNumber == dwNumber) {
- return pSeg;
- }
- }
- return NULL;
-}
-CJBig2_Segment *CJBig2_Context::findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment,
- FX_BYTE cType, FX_INT32 nIndex)
-{
- CJBig2_Segment *pSeg;
- FX_INT32 i, count;
- count = 0;
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
- if(pSeg && pSeg->m_cFlags.s.type == cType) {
- if(count == nIndex) {
- return pSeg;
- } else {
- count ++;
- }
- }
- }
- return NULL;
-}
-FX_INT32 CJBig2_Context::parseSegmentHeader(CJBig2_Segment *pSegment)
-{
- FX_BYTE cSSize, cPSize;
- FX_BYTE cTemp;
- FX_WORD wTemp;
- FX_DWORD dwTemp;
- if((m_pStream->readInteger(&pSegment->m_dwNumber) != 0)
- || (m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0)) {
- goto failed;
- }
- cTemp = m_pStream->getCurByte();
- if((cTemp >> 5) == 7) {
- if(m_pStream->readInteger((FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) {
- goto failed;
- }
- pSegment->m_nReferred_to_segment_count &= 0x1fffffff;
- if (pSegment->m_nReferred_to_segment_count > JBIG2_MAX_REFERRED_SEGMENT_COUNT) {
- m_pModule->JBig2_Error("Too many referred segments.");
- return JBIG2_ERROR_LIMIT;
- }
- dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8;
- } else {
- if(m_pStream->read1Byte(&cTemp) != 0) {
- goto failed;
- }
- pSegment->m_nReferred_to_segment_count = cTemp >> 5;
- dwTemp = 5 + 1;
- }
- cSSize = pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1;
- cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1;
- if(pSegment->m_nReferred_to_segment_count) {
- pSegment->m_pReferred_to_segment_numbers = (FX_DWORD*)m_pModule->JBig2_Malloc2(
- sizeof(FX_DWORD), pSegment->m_nReferred_to_segment_count);
- for(FX_INT32 i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- switch(cSSize) {
- case 1:
- if(m_pStream->read1Byte(&cTemp) != 0) {
- goto failed;
- }
- pSegment->m_pReferred_to_segment_numbers[i] = cTemp;
- break;
- case 2:
- if(m_pStream->readShortInteger(&wTemp) != 0) {
- goto failed;
- }
- pSegment->m_pReferred_to_segment_numbers[i] = wTemp;
- break;
- case 4:
- if(m_pStream->readInteger(&dwTemp) != 0) {
- goto failed;
- }
- pSegment->m_pReferred_to_segment_numbers[i] = dwTemp;
- break;
- }
- if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) {
- m_pModule->JBig2_Error("The referred segment number is greater than this segment number.");
- goto failed;
- }
- }
- }
- if(cPSize == 1) {
- if(m_pStream->read1Byte(&cTemp) != 0) {
- goto failed;
- }
- pSegment->m_dwPage_association = cTemp;
- } else {
- if(m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) {
- goto failed;
- }
- }
- if(m_pStream->readInteger(&pSegment->m_dwData_length) != 0) {
- goto failed;
- }
- pSegment->m_pData = m_pStream->getPointer();
- pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED;
- return JBIG2_SUCCESS;
-failed:
- m_pModule->JBig2_Error("header too short.");
- return JBIG2_ERROR_TOO_SHORT;
-}
-FX_INT32 CJBig2_Context::parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- FX_INT32 ret = ProcessiveParseSegmentData(pSegment, pPause);
- while(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && m_pStream->getByteLeft() > 0) {
- ret = ProcessiveParseSegmentData(pSegment, pPause);
- }
- return ret;
-}
-FX_INT32 CJBig2_Context::ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- switch(pSegment->m_cFlags.s.type) {
- case 0:
- return parseSymbolDict(pSegment, pPause);
- case 4:
- case 6:
- case 7:
- if(m_nState == JBIG2_OUT_OF_PAGE) {
- goto failed2;
- } else {
- return parseTextRegion(pSegment);
- }
- case 16:
- return parsePatternDict(pSegment, pPause);
- case 20:
- case 22:
- case 23:
- if(m_nState == JBIG2_OUT_OF_PAGE) {
- goto failed2;
- } else {
- return parseHalftoneRegion(pSegment, pPause);
- }
- case 36:
- case 38:
- case 39:
- if(m_nState == JBIG2_OUT_OF_PAGE) {
- goto failed2;
- } else {
- return parseGenericRegion(pSegment, pPause);
- }
- case 40:
- case 42:
- case 43:
- if(m_nState == JBIG2_OUT_OF_PAGE) {
- goto failed2;
- } else {
- return parseGenericRefinementRegion(pSegment);
- }
- case 48: {
- FX_WORD wTemp;
- JBig2PageInfo *pPageInfo;
- JBIG2_ALLOC(pPageInfo, JBig2PageInfo);
- if((m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0)
- || (m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0)
- || (m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0)
- || (m_pStream->readInteger(&pPageInfo->m_dwResolutionY) != 0)
- || (m_pStream->read1Byte(&pPageInfo->m_cFlags) != 0)
- || (m_pStream->readShortInteger(&wTemp) != 0)) {
- delete pPageInfo;
- goto failed1;
- }
- pPageInfo->m_bIsStriped = ((wTemp >> 15) & 1) ? 1 : 0;
- pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff;
- if((pPageInfo->m_dwHeight == 0xffffffff) && (pPageInfo->m_bIsStriped != 1)) {
- m_pModule->JBig2_Warn("page height = 0xffffffff buf stripe field is 0");
- pPageInfo->m_bIsStriped = 1;
- }
- if(!m_bBufSpecified) {
- if(m_pPage) {
- delete m_pPage;
- }
- if(pPageInfo->m_dwHeight == 0xffffffff) {
- JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_wMaxStripeSize));
- } else {
- JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_dwHeight));
- }
- }
- m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0);
- m_pPageInfoList->addItem(pPageInfo);
- m_nState = JBIG2_IN_PAGE;
- }
- break;
- case 49:
- m_nState = JBIG2_OUT_OF_PAGE;
- return JBIG2_END_OF_PAGE;
- break;
- case 50:
- m_pStream->offset(pSegment->m_dwData_length);
- break;
- case 51:
- return JBIG2_END_OF_FILE;
- case 52:
- m_pStream->offset(pSegment->m_dwData_length);
- break;
- case 53:
- return parseTable(pSegment);
- case 62:
- m_pStream->offset(pSegment->m_dwData_length);
- break;
- default:
- break;
- }
- return JBIG2_SUCCESS;
-failed1:
- m_pModule->JBig2_Error("segment data too short.");
- return JBIG2_ERROR_TOO_SHORT;
-failed2:
- m_pModule->JBig2_Error("segment syntax error.");
- return JBIG2_ERROR_FETAL;
-}
-FX_INT32 CJBig2_Context::parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- FX_DWORD dwTemp;
- FX_WORD wFlags;
- FX_BYTE cSDHUFFDH, cSDHUFFDW, cSDHUFFBMSIZE, cSDHUFFAGGINST;
- CJBig2_HuffmanTable *Table_B1 = NULL, *Table_B2 = NULL, *Table_B3 = NULL, *Table_B4 = NULL, *Table_B5 = NULL;
- FX_INT32 i, nIndex, nRet;
- CJBig2_Segment *pSeg = NULL, *pLRSeg = NULL;
- FX_BOOL bUsed;
- CJBig2_Image ** SDINSYMS = NULL;
- CJBig2_SDDProc *pSymbolDictDecoder;
- JBig2ArithCtx *gbContext = NULL, *grContext = NULL;
- CJBig2_ArithDecoder *pArithDecoder;
- JBIG2_ALLOC(pSymbolDictDecoder, CJBig2_SDDProc());
- if(m_pStream->readShortInteger(&wFlags) != 0) {
- m_pModule->JBig2_Error("symbol dictionary segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- pSymbolDictDecoder->SDHUFF = wFlags & 0x0001;
- pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001;
- pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003;
- pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003;
- cSDHUFFDH = (wFlags >> 2) & 0x0003;
- cSDHUFFDW = (wFlags >> 4) & 0x0003;
- cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001;
- cSDHUFFAGGINST = (wFlags >> 7) & 0x0001;
- if(pSymbolDictDecoder->SDHUFF == 0) {
- if(pSymbolDictDecoder->SDTEMPLATE == 0) {
- dwTemp = 8;
- } else {
- dwTemp = 2;
- }
- for(i = 0; i < (FX_INT32)dwTemp; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&pSymbolDictDecoder->SDAT[i]) != 0) {
- m_pModule->JBig2_Error("symbol dictionary segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- }
- if((pSymbolDictDecoder->SDREFAGG == 1) && (pSymbolDictDecoder->SDRTEMPLATE == 0)) {
- for(i = 0; i < 4; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&pSymbolDictDecoder->SDRAT[i]) != 0) {
- m_pModule->JBig2_Error("symbol dictionary segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- }
- if((m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0)
- || (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0)) {
- m_pModule->JBig2_Error("symbol dictionary segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS
- || pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) {
- m_pModule->JBig2_Error("symbol dictionary segment : too many export/new symbols.");
- nRet = JBIG2_ERROR_LIMIT;
- goto failed;
- }
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) {
- m_pModule->JBig2_Error("symbol dictionary segment : can't find refered to segments");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- }
- pSymbolDictDecoder->SDNUMINSYMS = 0;
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
- if(pSeg->m_cFlags.s.type == 0) {
- pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->SDNUMEXSYMS;
- pLRSeg = pSeg;
- }
- }
- if(pSymbolDictDecoder->SDNUMINSYMS == 0) {
- SDINSYMS = NULL;
- } else {
- SDINSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
- sizeof(CJBig2_Image*), pSymbolDictDecoder->SDNUMINSYMS);
- dwTemp = 0;
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
- if(pSeg->m_cFlags.s.type == 0) {
- JBIG2_memcpy(SDINSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS,
- pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*));
- dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS;
- }
- }
- }
- pSymbolDictDecoder->SDINSYMS = SDINSYMS;
- if(pSymbolDictDecoder->SDHUFF == 1) {
- if((cSDHUFFDH == 2) || (cSDHUFFDW == 2)) {
- m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH=2 or SDHUFFDW=2 is not permitted.");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- nIndex = 0;
- if(cSDHUFFDH == 0) {
- JBIG2_ALLOC(Table_B4, CJBig2_HuffmanTable(HuffmanTable_B4,
- sizeof(HuffmanTable_B4) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B4));
- pSymbolDictDecoder->SDHUFFDH = Table_B4;
- } else if(cSDHUFFDH == 1) {
- JBIG2_ALLOC(Table_B5, CJBig2_HuffmanTable(HuffmanTable_B5,
- sizeof(HuffmanTable_B5) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B5));
- pSymbolDictDecoder->SDHUFFDH = Table_B5;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH can't find user supplied table.");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht;
- }
- if(cSDHUFFDW == 0) {
- JBIG2_ALLOC(Table_B2, CJBig2_HuffmanTable(HuffmanTable_B2,
- sizeof(HuffmanTable_B2) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B2));
- pSymbolDictDecoder->SDHUFFDW = Table_B2;
- } else if(cSDHUFFDW == 1) {
- JBIG2_ALLOC(Table_B3, CJBig2_HuffmanTable(HuffmanTable_B3,
- sizeof(HuffmanTable_B3) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B3));
- pSymbolDictDecoder->SDHUFFDW = Table_B3;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDW can't find user supplied table.");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht;
- }
- if(cSDHUFFBMSIZE == 0) {
- JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFBMSIZE can't find user supplied table.");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht;
- }
- if(pSymbolDictDecoder->SDREFAGG == 1) {
- if(cSDHUFFAGGINST == 0) {
- if(!Table_B1) {
- JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- }
- pSymbolDictDecoder->SDHUFFAGGINST = Table_B1;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFAGGINST can't find user supplied table.");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht;
- }
- }
- }
- if((wFlags & 0x0100) && pLRSeg && pLRSeg->m_Result.sd->m_bContextRetained) {
- if (pSymbolDictDecoder->SDHUFF == 0) {
- dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ?
- 8192 : 1024;
- gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memcpy(gbContext, pLRSeg->m_Result.sd->m_gbContext, sizeof(JBig2ArithCtx)*dwTemp);
- }
- if (pSymbolDictDecoder->SDREFAGG == 1) {
- dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13;
- grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memcpy(grContext, pLRSeg->m_Result.sd->m_grContext, sizeof(JBig2ArithCtx)*dwTemp);
- }
- } else {
- if (pSymbolDictDecoder->SDHUFF == 0) {
- dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ?
- 8192 : 1024;
- gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- }
- if (pSymbolDictDecoder->SDREFAGG == 1) {
- dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13;
- grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- }
- }
- pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER;
- if(pSymbolDictDecoder->SDHUFF == 0) {
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith(pArithDecoder, gbContext, grContext);
- delete pArithDecoder;
- if(pSegment->m_Result.sd == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- m_pStream->offset(2);
- } else {
- pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman(m_pStream, gbContext, grContext, pPause);
- if(pSegment->m_Result.sd == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- }
- if(wFlags & 0x0200) {
- pSegment->m_Result.sd->m_bContextRetained = TRUE;
- if(pSymbolDictDecoder->SDHUFF == 0) {
- pSegment->m_Result.sd->m_gbContext = gbContext;
- }
- if(pSymbolDictDecoder->SDREFAGG == 1) {
- pSegment->m_Result.sd->m_grContext = grContext;
- }
- bUsed = TRUE;
- } else {
- bUsed = FALSE;
- }
- delete pSymbolDictDecoder;
- if(SDINSYMS) {
- m_pModule->JBig2_Free(SDINSYMS);
- }
- if(Table_B1) {
- delete Table_B1;
- }
- if(Table_B2) {
- delete Table_B2;
- }
- if(Table_B3) {
- delete Table_B3;
- }
- if(Table_B4) {
- delete Table_B4;
- }
- if(Table_B5) {
- delete Table_B5;
- }
- if(bUsed == FALSE) {
- if(gbContext) {
- m_pModule->JBig2_Free(gbContext);
- }
- if(grContext) {
- m_pModule->JBig2_Free(grContext);
- }
- }
- return JBIG2_SUCCESS;
-failed:
- delete pSymbolDictDecoder;
- if(SDINSYMS) {
- m_pModule->JBig2_Free(SDINSYMS);
- }
- if(Table_B1) {
- delete Table_B1;
- }
- if(Table_B2) {
- delete Table_B2;
- }
- if(Table_B3) {
- delete Table_B3;
- }
- if(Table_B4) {
- delete Table_B4;
- }
- if(Table_B5) {
- delete Table_B5;
- }
- if(gbContext) {
- m_pModule->JBig2_Free(gbContext);
- }
- if(grContext) {
- m_pModule->JBig2_Free(grContext);
- }
- return nRet;
-}
-
-FX_BOOL CJBig2_Context::parseTextRegion(CJBig2_Segment *pSegment)
-{
- FX_DWORD dwTemp;
- FX_WORD wFlags;
- FX_INT32 i, nIndex, nRet;
- JBig2RegionInfo ri;
- CJBig2_Segment *pSeg;
- CJBig2_Image **SBSYMS = NULL;
- JBig2HuffmanCode *SBSYMCODES = NULL;
- FX_BYTE cSBHUFFFS, cSBHUFFDS, cSBHUFFDT, cSBHUFFRDW, cSBHUFFRDH, cSBHUFFRDX, cSBHUFFRDY, cSBHUFFRSIZE;
- CJBig2_HuffmanTable *Table_B1 = NULL,
- *Table_B6 = NULL,
- *Table_B7 = NULL,
- *Table_B8 = NULL,
- *Table_B9 = NULL,
- *Table_B10 = NULL,
- *Table_B11 = NULL,
- *Table_B12 = NULL,
- *Table_B13 = NULL,
- *Table_B14 = NULL,
- *Table_B15 = NULL;
- JBig2ArithCtx *grContext = NULL;
- CJBig2_ArithDecoder *pArithDecoder;
- CJBig2_TRDProc *pTRD;
- JBIG2_ALLOC(pTRD, CJBig2_TRDProc());
- if((parseRegionInfo(&ri) != JBIG2_SUCCESS)
- || (m_pStream->readShortInteger(&wFlags) != 0)) {
- m_pModule->JBig2_Error("text region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- pTRD->SBW = ri.width;
- pTRD->SBH = ri.height;
- pTRD->SBHUFF = wFlags & 0x0001;
- pTRD->SBREFINE = (wFlags >> 1) & 0x0001;
- dwTemp = (wFlags >> 2) & 0x0003;
- pTRD->SBSTRIPS = 1 << dwTemp;
- pTRD->REFCORNER = (JBig2Corner)((wFlags >> 4) & 0x0003);
- pTRD->TRANSPOSED = (wFlags >> 6) & 0x0001;
- pTRD->SBCOMBOP = (JBig2ComposeOp)((wFlags >> 7) & 0x0003);
- pTRD->SBDEFPIXEL = (wFlags >> 9) & 0x0001;
- pTRD->SBDSOFFSET = (wFlags >> 10) & 0x001f;
- if(pTRD->SBDSOFFSET >= 0x0010) {
- pTRD->SBDSOFFSET = pTRD->SBDSOFFSET - 0x0020;
- }
- pTRD->SBRTEMPLATE = (wFlags >> 15) & 0x0001;
- if(pTRD->SBHUFF == 1) {
- if(m_pStream->readShortInteger(&wFlags) != 0) {
- m_pModule->JBig2_Error("text region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- cSBHUFFFS = wFlags & 0x0003;
- cSBHUFFDS = (wFlags >> 2) & 0x0003;
- cSBHUFFDT = (wFlags >> 4) & 0x0003;
- cSBHUFFRDW = (wFlags >> 6) & 0x0003;
- cSBHUFFRDH = (wFlags >> 8) & 0x0003;
- cSBHUFFRDX = (wFlags >> 10) & 0x0003;
- cSBHUFFRDY = (wFlags >> 12) & 0x0003;
- cSBHUFFRSIZE = (wFlags >> 14) & 0x0001;
- }
- if((pTRD->SBREFINE == 1) && (pTRD->SBRTEMPLATE == 0)) {
- for(i = 0; i < 4; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&pTRD->SBRAT[i]) != 0) {
- m_pModule->JBig2_Error("text region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- }
- if(m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) {
- m_pModule->JBig2_Error("text region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) {
- m_pModule->JBig2_Error("text region segment : can't find refered to segments");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- }
- pTRD->SBNUMSYMS = 0;
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
- if(pSeg->m_cFlags.s.type == 0) {
- pTRD->SBNUMSYMS += pSeg->m_Result.sd->SDNUMEXSYMS;
- }
- }
- if (pTRD->SBNUMSYMS > 0) {
- SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
- sizeof(CJBig2_Image*), pTRD->SBNUMSYMS);
- dwTemp = 0;
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
- if(pSeg->m_cFlags.s.type == 0) {
- JBIG2_memcpy(SBSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS,
- pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*));
- dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS;
- }
- }
- pTRD->SBSYMS = SBSYMS;
- } else {
- pTRD->SBSYMS = NULL;
- }
- if(pTRD->SBHUFF == 1) {
- SBSYMCODES = decodeSymbolIDHuffmanTable(m_pStream, pTRD->SBNUMSYMS);
- if(SBSYMCODES == NULL) {
- m_pModule->JBig2_Error("text region segment: symbol ID huffman table decode failure!");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- pTRD->SBSYMCODES = SBSYMCODES;
- } else {
- dwTemp = 0;
- while((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) {
- dwTemp ++;
- }
- pTRD->SBSYMCODELEN = (FX_BYTE)dwTemp;
- }
- if(pTRD->SBHUFF == 1) {
- if((cSBHUFFFS == 2) || (cSBHUFFRDW == 2) || (cSBHUFFRDH == 2)
- || (cSBHUFFRDX == 2) || (cSBHUFFRDY == 2)) {
- m_pModule->JBig2_Error("text region segment : SBHUFFFS=2 or SBHUFFRDW=2 or "
- "SBHUFFRDH=2 or SBHUFFRDX=2 or SBHUFFRDY=2 is not permitted");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- nIndex = 0;
- if(cSBHUFFFS == 0) {
- JBIG2_ALLOC(Table_B6, CJBig2_HuffmanTable(HuffmanTable_B6,
- sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6));
- pTRD->SBHUFFFS = Table_B6;
- } else if(cSBHUFFFS == 1) {
- JBIG2_ALLOC(Table_B7, CJBig2_HuffmanTable(HuffmanTable_B7,
- sizeof(HuffmanTable_B7) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B7));
- pTRD->SBHUFFFS = Table_B7;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFFS can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFFS = pSeg->m_Result.ht;
- }
- if(cSBHUFFDS == 0) {
- JBIG2_ALLOC(Table_B8, CJBig2_HuffmanTable(HuffmanTable_B8,
- sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8));
- pTRD->SBHUFFDS = Table_B8;
- } else if(cSBHUFFDS == 1) {
- JBIG2_ALLOC(Table_B9, CJBig2_HuffmanTable(HuffmanTable_B9,
- sizeof(HuffmanTable_B9) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B9));
- pTRD->SBHUFFDS = Table_B9;
- } else if(cSBHUFFDS == 2) {
- JBIG2_ALLOC(Table_B10, CJBig2_HuffmanTable(HuffmanTable_B10,
- sizeof(HuffmanTable_B10) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B10));
- pTRD->SBHUFFDS = Table_B10;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFDS can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFDS = pSeg->m_Result.ht;
- }
- if(cSBHUFFDT == 0) {
- JBIG2_ALLOC(Table_B11, CJBig2_HuffmanTable(HuffmanTable_B11,
- sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11));
- pTRD->SBHUFFDT = Table_B11;
- } else if(cSBHUFFDT == 1) {
- JBIG2_ALLOC(Table_B12, CJBig2_HuffmanTable(HuffmanTable_B12,
- sizeof(HuffmanTable_B12) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B12));
- pTRD->SBHUFFDT = Table_B12;
- } else if(cSBHUFFDT == 2) {
- JBIG2_ALLOC(Table_B13, CJBig2_HuffmanTable(HuffmanTable_B13,
- sizeof(HuffmanTable_B13) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B13));
- pTRD->SBHUFFDT = Table_B13;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFDT can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFDT = pSeg->m_Result.ht;
- }
- if(cSBHUFFRDW == 0) {
- JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14,
- sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14));
- pTRD->SBHUFFRDW = Table_B14;
- } else if(cSBHUFFRDW == 1) {
- JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- pTRD->SBHUFFRDW = Table_B15;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFRDW can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFRDW = pSeg->m_Result.ht;
- }
- if(cSBHUFFRDH == 0) {
- if(!Table_B14) {
- JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14,
- sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14));
- }
- pTRD->SBHUFFRDH = Table_B14;
- } else if(cSBHUFFRDH == 1) {
- if(!Table_B15) {
- JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- }
- pTRD->SBHUFFRDH = Table_B15;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFRDH can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFRDH = pSeg->m_Result.ht;
- }
- if(cSBHUFFRDX == 0) {
- if(!Table_B14) {
- JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14,
- sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14));
- }
- pTRD->SBHUFFRDX = Table_B14;
- } else if(cSBHUFFRDX == 1) {
- if(!Table_B15) {
- JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- }
- pTRD->SBHUFFRDX = Table_B15;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFRDX can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFRDX = pSeg->m_Result.ht;
- }
- if(cSBHUFFRDY == 0) {
- if(!Table_B14) {
- JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14,
- sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14));
- }
- pTRD->SBHUFFRDY = Table_B14;
- } else if(cSBHUFFRDY == 1) {
- if(!Table_B15) {
- JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- }
- pTRD->SBHUFFRDY = Table_B15;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFRDY can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFRDY = pSeg->m_Result.ht;
- }
- if(cSBHUFFRSIZE == 0) {
- JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- pTRD->SBHUFFRSIZE = Table_B1;
- } else {
- pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++);
- if(!pSeg) {
- m_pModule->JBig2_Error("text region segment : SBHUFFRSIZE can't find user supplied table");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pTRD->SBHUFFRSIZE = pSeg->m_Result.ht;
- }
- }
- if(pTRD->SBREFINE == 1) {
- dwTemp = pTRD->SBRTEMPLATE ? 1 << 10 : 1 << 13;
- grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- }
- if(pTRD->SBHUFF == 0) {
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- pSegment->m_Result.im = pTRD->decode_Arith(pArithDecoder, grContext);
- delete pArithDecoder;
- if(pSegment->m_Result.im == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- m_pStream->offset(2);
- } else {
- pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- pSegment->m_Result.im = pTRD->decode_Huffman(m_pStream, grContext);
- if(pSegment->m_Result.im == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- }
- if(pSegment->m_cFlags.s.type != 4) {
- if(!m_bBufSpecified) {
- JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast();
- if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) {
- m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0);
- }
- }
- m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03));
- delete pSegment->m_Result.im;
- pSegment->m_Result.im = NULL;
- }
- delete pTRD;
- if(SBSYMS) {
- m_pModule->JBig2_Free(SBSYMS);
- }
- if(SBSYMCODES) {
- m_pModule->JBig2_Free(SBSYMCODES);
- }
- if(grContext) {
- m_pModule->JBig2_Free(grContext);
- }
- if(Table_B1) {
- delete Table_B1;
- }
- if(Table_B6) {
- delete Table_B6;
- }
- if(Table_B7) {
- delete Table_B7;
- }
- if(Table_B8) {
- delete Table_B8;
- }
- if(Table_B9) {
- delete Table_B9;
- }
- if(Table_B10) {
- delete Table_B10;
- }
- if(Table_B11) {
- delete Table_B11;
- }
- if(Table_B12) {
- delete Table_B12;
- }
- if(Table_B13) {
- delete Table_B13;
- }
- if(Table_B14) {
- delete Table_B14;
- }
- if(Table_B15) {
- delete Table_B15;
- }
- return JBIG2_SUCCESS;
-failed:
- delete pTRD;
- if(SBSYMS) {
- m_pModule->JBig2_Free(SBSYMS);
- }
- if(SBSYMCODES) {
- m_pModule->JBig2_Free(SBSYMCODES);
- }
- if(grContext) {
- m_pModule->JBig2_Free(grContext);
- }
- if(Table_B1) {
- delete Table_B1;
- }
- if(Table_B6) {
- delete Table_B6;
- }
- if(Table_B7) {
- delete Table_B7;
- }
- if(Table_B8) {
- delete Table_B8;
- }
- if(Table_B9) {
- delete Table_B9;
- }
- if(Table_B10) {
- delete Table_B10;
- }
- if(Table_B11) {
- delete Table_B11;
- }
- if(Table_B12) {
- delete Table_B12;
- }
- if(Table_B13) {
- delete Table_B13;
- }
- if(Table_B14) {
- delete Table_B14;
- }
- if(Table_B15) {
- delete Table_B15;
- }
- return nRet;
-}
-
-FX_BOOL CJBig2_Context::parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- FX_DWORD dwTemp;
- FX_BYTE cFlags;
- JBig2ArithCtx *gbContext;
- CJBig2_ArithDecoder *pArithDecoder;
- CJBig2_PDDProc *pPDD;
- FX_INT32 nRet;
- JBIG2_ALLOC(pPDD, CJBig2_PDDProc());
- if((m_pStream->read1Byte(&cFlags) != 0)
- || (m_pStream->read1Byte(&pPDD->HDPW) != 0)
- || (m_pStream->read1Byte(&pPDD->HDPH) != 0)
- || (m_pStream->readInteger(&pPDD->GRAYMAX) != 0)) {
- m_pModule->JBig2_Error("pattern dictionary segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) {
- m_pModule->JBig2_Error("pattern dictionary segment : too max gray max.");
- nRet = JBIG2_ERROR_LIMIT;
- goto failed;
- }
- pPDD->HDMMR = cFlags & 0x01;
- pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03;
- pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER;
- if(pPDD->HDMMR == 0) {
- dwTemp = pPDD->HDTEMPLATE == 0 ? 65536 : pPDD->HDTEMPLATE == 1 ? 8192 : 1024;
- gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- pSegment->m_Result.pd = pPDD->decode_Arith(pArithDecoder, gbContext, pPause);
- delete pArithDecoder;
- if(pSegment->m_Result.pd == NULL) {
- m_pModule->JBig2_Free(gbContext);
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pModule->JBig2_Free(gbContext);
- m_pStream->alignByte();
- m_pStream->offset(2);
- } else {
- pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream, pPause);
- if(pSegment->m_Result.pd == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- }
- delete pPDD;
- return JBIG2_SUCCESS;
-failed:
- delete pPDD;
- return nRet;
-}
-FX_BOOL CJBig2_Context::parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- FX_DWORD dwTemp;
- FX_BYTE cFlags;
- JBig2RegionInfo ri;
- CJBig2_Segment *pSeg;
- CJBig2_PatternDict *pPatternDict;
- JBig2ArithCtx *gbContext;
- CJBig2_ArithDecoder *pArithDecoder;
- CJBig2_HTRDProc *pHRD;
- FX_INT32 nRet;
- JBIG2_ALLOC(pHRD, CJBig2_HTRDProc());
- if((parseRegionInfo(&ri) != JBIG2_SUCCESS)
- || (m_pStream->read1Byte(&cFlags) != 0)
- || (m_pStream->readInteger(&pHRD->HGW) != 0)
- || (m_pStream->readInteger(&pHRD->HGH) != 0)
- || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGX) != 0)
- || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGY) != 0)
- || (m_pStream->readShortInteger(&pHRD->HRX) != 0)
- || (m_pStream->readShortInteger(&pHRD->HRY) != 0)) {
- m_pModule->JBig2_Error("halftone region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- pHRD->HBW = ri.width;
- pHRD->HBH = ri.height;
- pHRD->HMMR = cFlags & 0x01;
- pHRD->HTEMPLATE = (cFlags >> 1) & 0x03;
- pHRD->HENABLESKIP = (cFlags >> 3) & 0x01;
- pHRD->HCOMBOP = (JBig2ComposeOp)((cFlags >> 4) & 0x07);
- pHRD->HDEFPIXEL = (cFlags >> 7) & 0x01;
- if(pSegment->m_nReferred_to_segment_count != 1) {
- m_pModule->JBig2_Error("halftone region segment : refered to segment count not equals 1");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]);
- if( (pSeg == NULL) || (pSeg->m_cFlags.s.type != 16)) {
- m_pModule->JBig2_Error("halftone region segment : refered to segment is not pattern dict");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pPatternDict = pSeg->m_Result.pd;
- if((pPatternDict == NULL) || (pPatternDict->NUMPATS == 0)) {
- m_pModule->JBig2_Error("halftone region segment : has no patterns input");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pHRD->HNUMPATS = pPatternDict->NUMPATS;
- pHRD->HPATS = pPatternDict->HDPATS;
- pHRD->HPW = pPatternDict->HDPATS[0]->m_nWidth;
- pHRD->HPH = pPatternDict->HDPATS[0]->m_nHeight;
- pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- if(pHRD->HMMR == 0) {
- dwTemp = pHRD->HTEMPLATE == 0 ? 65536 : pHRD->HTEMPLATE == 1 ? 8192 : 1024;
- gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- pSegment->m_Result.im = pHRD->decode_Arith(pArithDecoder, gbContext, pPause);
- delete pArithDecoder;
- if(pSegment->m_Result.im == NULL) {
- m_pModule->JBig2_Free(gbContext);
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pModule->JBig2_Free(gbContext);
- m_pStream->alignByte();
- m_pStream->offset(2);
- } else {
- pSegment->m_Result.im = pHRD->decode_MMR(m_pStream, pPause);
- if(pSegment->m_Result.im == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- }
- if(pSegment->m_cFlags.s.type != 20) {
- if(!m_bBufSpecified) {
- JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast();
- if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) {
- m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0);
- }
- }
- m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03));
- delete pSegment->m_Result.im;
- pSegment->m_Result.im = NULL;
- }
- delete pHRD;
- return JBIG2_SUCCESS;
-failed:
- delete pHRD;
- return nRet;
-}
-
-FX_BOOL CJBig2_Context::parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause)
-{
- FX_DWORD dwTemp;
- FX_BYTE cFlags;
- FX_INT32 i, nRet;
- if(m_pGRD == NULL) {
- JBIG2_ALLOC(m_pGRD, CJBig2_GRDProc());
- if((parseRegionInfo(&m_ri) != JBIG2_SUCCESS)
- || (m_pStream->read1Byte(&cFlags) != 0)) {
- m_pModule->JBig2_Error("generic region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- if (m_ri.height < 0 || m_ri.width < 0) {
- m_pModule->JBig2_Error("generic region segment : wrong data.");
- nRet = JBIG2_FAILED;
- goto failed;
- }
- m_pGRD->GBW = m_ri.width;
- m_pGRD->GBH = m_ri.height;
- m_pGRD->MMR = cFlags & 0x01;
- m_pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03;
- m_pGRD->TPGDON = (cFlags >> 3) & 0x01;
- if(m_pGRD->MMR == 0) {
- if(m_pGRD->GBTEMPLATE == 0) {
- for(i = 0; i < 8; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&m_pGRD->GBAT[i]) != 0) {
- m_pModule->JBig2_Error("generic region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- } else {
- for(i = 0; i < 2; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&m_pGRD->GBAT[i]) != 0) {
- m_pModule->JBig2_Error("generic region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- }
- }
- m_pGRD->USESKIP = 0;
- }
- pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- if(m_pGRD->MMR == 0) {
- dwTemp = m_pGRD->GBTEMPLATE == 0 ? 65536 : m_pGRD->GBTEMPLATE == 1 ? 8192 : 1024;
- if(m_gbContext == NULL) {
- m_gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc(sizeof(JBig2ArithCtx) * dwTemp);
- JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- }
- if(m_pArithDecoder == NULL) {
- JBIG2_ALLOC(m_pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- m_ProcessiveStatus = m_pGRD->Start_decode_Arith(&pSegment->m_Result.im, m_pArithDecoder, m_gbContext, pPause);
- } else {
- m_ProcessiveStatus = m_pGRD->Continue_decode(pPause);
- }
- OutputBitmap(pSegment->m_Result.im);
- if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- if(pSegment->m_cFlags.s.type != 36) {
- if(!m_bBufSpecified) {
- JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast();
- if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) {
- m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0);
- }
- }
- FX_RECT Rect = m_pGRD->GetReplaceRect();
- m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect);
- }
- return JBIG2_SUCCESS;
- } else {
- delete m_pArithDecoder;
- m_pArithDecoder = NULL;
- if(pSegment->m_Result.im == NULL) {
- m_pModule->JBig2_Free(m_gbContext);
- nRet = JBIG2_ERROR_FETAL;
- m_gbContext = NULL;
- m_ProcessiveStatus = FXCODEC_STATUS_ERROR;
- goto failed;
- }
- m_pModule->JBig2_Free(m_gbContext);
- m_gbContext = NULL;
- m_pStream->alignByte();
- m_pStream->offset(2);
- }
- } else {
- FXCODEC_STATUS status = m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, m_pStream, pPause);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- m_pGRD->Continue_decode(pPause);
- }
- if(pSegment->m_Result.im == NULL) {
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pStream->alignByte();
- }
- if(pSegment->m_cFlags.s.type != 36) {
- if(!m_bBufSpecified) {
- JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast();
- if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) {
- m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0);
- }
- }
- FX_RECT Rect = m_pGRD->GetReplaceRect();
- m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect);
- delete pSegment->m_Result.im;
- pSegment->m_Result.im = NULL;
- }
- delete m_pGRD;
- m_pGRD = NULL;
- return JBIG2_SUCCESS;
-failed:
- delete m_pGRD;
- m_pGRD = NULL;
- return nRet;
-}
-
-FX_BOOL CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment *pSegment)
-{
- FX_DWORD dwTemp;
- JBig2RegionInfo ri;
- CJBig2_Segment *pSeg;
- FX_INT32 i, nRet;
- FX_BYTE cFlags;
- JBig2ArithCtx *grContext;
- CJBig2_GRRDProc *pGRRD;
- CJBig2_ArithDecoder *pArithDecoder;
- JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
- if((parseRegionInfo(&ri) != JBIG2_SUCCESS)
- || (m_pStream->read1Byte(&cFlags) != 0)) {
- m_pModule->JBig2_Error("generic refinement region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- pGRRD->GRW = ri.width;
- pGRRD->GRH = ri.height;
- pGRRD->GRTEMPLATE = cFlags & 0x01;
- pGRRD->TPGRON = (cFlags >> 1) & 0x01;
- if(pGRRD->GRTEMPLATE == 0) {
- for(i = 0; i < 4; i++) {
- if(m_pStream->read1Byte((FX_BYTE*)&pGRRD->GRAT[i]) != 0) {
- m_pModule->JBig2_Error("generic refinement region segment : data header too short.");
- nRet = JBIG2_ERROR_TOO_SHORT;
- goto failed;
- }
- }
- }
- pSeg = NULL;
- if(pSegment->m_nReferred_to_segment_count > 0) {
- for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
- pSeg = this->findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]);
- if(pSeg == NULL) {
- m_pModule->JBig2_Error("generic refinement region segment : can't find refered to segments");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- if((pSeg->m_cFlags.s.type == 4) || (pSeg->m_cFlags.s.type == 20)
- || (pSeg->m_cFlags.s.type == 36) || (pSeg->m_cFlags.s.type == 40)) {
- break;
- }
- }
- if(i >= pSegment->m_nReferred_to_segment_count) {
- m_pModule->JBig2_Error("generic refinement region segment : can't find refered to intermediate region");
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- pGRRD->GRREFERENCE = pSeg->m_Result.im;
- } else {
- pGRRD->GRREFERENCE = m_pPage;
- }
- pGRRD->GRREFERENCEDX = 0;
- pGRRD->GRREFERENCEDY = 0;
- dwTemp = pGRRD->GRTEMPLATE ? 1 << 10 : 1 << 13;
- grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
- JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp);
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream));
- pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
- pSegment->m_Result.im = pGRRD->decode(pArithDecoder, grContext);
- delete pArithDecoder;
- if(pSegment->m_Result.im == NULL) {
- m_pModule->JBig2_Free(grContext);
- nRet = JBIG2_ERROR_FETAL;
- goto failed;
- }
- m_pModule->JBig2_Free(grContext);
- m_pStream->alignByte();
- m_pStream->offset(2);
- if(pSegment->m_cFlags.s.type != 40) {
- if(!m_bBufSpecified) {
- JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast();
- if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) {
- m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0);
- }
- }
- m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03));
- delete pSegment->m_Result.im;
- pSegment->m_Result.im = NULL;
- }
- delete pGRRD;
- return JBIG2_SUCCESS;
-failed:
- delete pGRRD;
- return nRet;
-}
-FX_BOOL CJBig2_Context::parseTable(CJBig2_Segment *pSegment)
-{
- pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER;
- JBIG2_ALLOC(pSegment->m_Result.ht, CJBig2_HuffmanTable(m_pStream));
- if(!pSegment->m_Result.ht->isOK()) {
- delete pSegment->m_Result.ht;
- pSegment->m_Result.ht = NULL;
- return JBIG2_ERROR_FETAL;
- }
- m_pStream->alignByte();
- return JBIG2_SUCCESS;
-}
-FX_INT32 CJBig2_Context::parseRegionInfo(JBig2RegionInfo *pRI)
-{
- if((m_pStream->readInteger((FX_DWORD*)&pRI->width) != 0)
- || (m_pStream->readInteger((FX_DWORD*)&pRI->height) != 0)
- || (m_pStream->readInteger((FX_DWORD*)&pRI->x) != 0)
- || (m_pStream->readInteger((FX_DWORD*)&pRI->y) != 0)
- || (m_pStream->read1Byte(&pRI->flags) != 0)) {
- return JBIG2_ERROR_TOO_SHORT;
- }
- return JBIG2_SUCCESS;
-}
-JBig2HuffmanCode *CJBig2_Context::decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream,
- FX_DWORD SBNUMSYMS)
-{
- JBig2HuffmanCode *SBSYMCODES;
- FX_INT32 runcodes[35], runcodes_len[35], runcode;
- FX_INT32 i, j, nTemp, nVal, nBits;
- FX_INT32 run;
- SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(sizeof(JBig2HuffmanCode), SBNUMSYMS);
- for (i = 0; i < 35; i ++) {
- if(pStream->readNBits(4, &runcodes_len[i]) != 0) {
- goto failed;
- }
- }
- huffman_assign_code(runcodes, runcodes_len, 35);
- i = 0;
- while(i < (int)SBNUMSYMS) {
- nVal = 0;
- nBits = 0;
- for(;;) {
- if(pStream->read1Bit(&nTemp) != 0) {
- goto failed;
- }
- nVal = (nVal << 1) | nTemp;
- nBits ++;
- for(j = 0; j < 35; j++) {
- if((nBits == runcodes_len[j]) && (nVal == runcodes[j])) {
- break;
- }
- }
- if(j < 35) {
- break;
- }
- }
- runcode = j;
- if(runcode < 32) {
- SBSYMCODES[i].codelen = runcode;
- run = 0;
- } else if(runcode == 32) {
- if(pStream->readNBits(2, &nTemp) != 0) {
- goto failed;
- }
- run = nTemp + 3;
- } else if(runcode == 33) {
- if(pStream->readNBits(3, &nTemp) != 0) {
- goto failed;
- }
- run = nTemp + 3;
- } else if(runcode == 34) {
- if(pStream->readNBits(7, &nTemp) != 0) {
- goto failed;
- }
- run = nTemp + 11;
- }
- if(run > 0) {
- if (i + run > (int)SBNUMSYMS) {
- goto failed;
- }
- for(j = 0; j < run; j++) {
- if(runcode == 32 && i > 0) {
- SBSYMCODES[i + j].codelen = SBSYMCODES[i - 1].codelen;
- } else {
- SBSYMCODES[i + j].codelen = 0;
- }
- }
- i += run;
- } else {
- i ++;
- }
- }
- huffman_assign_code(SBSYMCODES, SBNUMSYMS);
- return SBSYMCODES;
-failed:
- m_pModule->JBig2_Free(SBSYMCODES);
- return NULL;
-}
-void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP)
-{
- int CURLEN, LENMAX, CURCODE, CURTEMP, i;
- int *LENCOUNT;
- int *FIRSTCODE;
- LENMAX = 0;
- for(i = 0; i < NTEMP; i++) {
- if(PREFLEN[i] > LENMAX) {
- LENMAX = PREFLEN[i];
- }
- }
- LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
- FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- for(i = 0; i < NTEMP; i++) {
- LENCOUNT[PREFLEN[i]] ++;
- }
- CURLEN = 1;
- FIRSTCODE[0] = 0;
- LENCOUNT[0] = 0;
- while(CURLEN <= LENMAX) {
- FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1;
- CURCODE = FIRSTCODE[CURLEN];
- CURTEMP = 0;
- while(CURTEMP < NTEMP) {
- if(PREFLEN[CURTEMP] == CURLEN) {
- CODES[CURTEMP] = CURCODE;
- CURCODE = CURCODE + 1;
- }
- CURTEMP = CURTEMP + 1;
- }
- CURLEN = CURLEN + 1;
- }
- m_pModule->JBig2_Free(LENCOUNT);
- m_pModule->JBig2_Free(FIRSTCODE);
-}
-void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP)
-{
- int CURLEN, LENMAX, CURCODE, CURTEMP, i;
- int *LENCOUNT;
- int *FIRSTCODE;
- LENMAX = 0;
- for(i = 0; i < NTEMP; i++) {
- if(SBSYMCODES[i].codelen > LENMAX) {
- LENMAX = SBSYMCODES[i].codelen;
- }
- }
- LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
- FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- for(i = 0; i < NTEMP; i++) {
- LENCOUNT[SBSYMCODES[i].codelen] ++;
- }
- CURLEN = 1;
- FIRSTCODE[0] = 0;
- LENCOUNT[0] = 0;
- while(CURLEN <= LENMAX) {
- FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1;
- CURCODE = FIRSTCODE[CURLEN];
- CURTEMP = 0;
- while(CURTEMP < NTEMP) {
- if(SBSYMCODES[CURTEMP].codelen == CURLEN) {
- SBSYMCODES[CURTEMP].code = CURCODE;
- CURCODE = CURCODE + 1;
- }
- CURTEMP = CURTEMP + 1;
- }
- CURLEN = CURLEN + 1;
- }
- m_pModule->JBig2_Free(LENCOUNT);
- m_pModule->JBig2_Free(FIRSTCODE);
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_Context.h" +void OutputBitmap(CJBig2_Image* pImage) +{ + if(!pImage) { + return; + } +} +CJBig2_Context *CJBig2_Context::CreateContext(CJBig2_Module *pModule, FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength, + FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause) +{ + return new(pModule) CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength, nStreamType, pPause); +} +void CJBig2_Context::DestroyContext(CJBig2_Context *pContext) +{ + if(pContext) { + delete pContext; + } +} +CJBig2_Context::CJBig2_Context(FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength, + FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause) +{ + if(pGlobalData && (dwGlobalLength > 0)) { + JBIG2_ALLOC(m_pGlobalContext, CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength, + JBIG2_EMBED_STREAM, pPause)); + } else { + m_pGlobalContext = NULL; + } + JBIG2_ALLOC(m_pStream, CJBig2_BitStream(pData, dwLength)); + m_nStreamType = nStreamType; + m_nState = JBIG2_OUT_OF_PAGE; + JBIG2_ALLOC(m_pSegmentList, CJBig2_List<CJBig2_Segment>); + JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(1)); + m_pPage = NULL; + m_bBufSpecified = FALSE; + m_pPause = pPause; + m_nSegmentDecoded = 0; + m_PauseStep = 10; + m_pArithDecoder = NULL; + m_pGRD = NULL; + m_gbContext = NULL; + m_pSegment = NULL; + m_dwOffset = 0; + m_ProcessiveStatus = FXCODEC_STATUS_FRAME_READY; +} +CJBig2_Context::~CJBig2_Context() +{ + if(m_pArithDecoder) { + delete m_pArithDecoder; + } + m_pArithDecoder = NULL; + if(m_pGRD) { + delete m_pGRD; + } + m_pGRD = NULL; + if(m_gbContext) { + delete m_gbContext; + } + m_gbContext = NULL; + if(m_pGlobalContext) { + delete m_pGlobalContext; + } + m_pGlobalContext = NULL; + if(m_pPageInfoList) { + delete m_pPageInfoList; + } + m_pPageInfoList = NULL; + if(m_bBufSpecified && m_pPage) { + delete m_pPage; + } + m_pPage = NULL; + if(m_pStream) { + delete m_pStream; + } + m_pStream = NULL; + if(m_pSegmentList) { + delete m_pSegmentList; + } + m_pSegmentList = NULL; +} +FX_INT32 CJBig2_Context::decodeFile(IFX_Pause* pPause) +{ + FX_BYTE cFlags; + FX_DWORD dwTemp; + const FX_BYTE fileID[] = {0x97, 0x4A, 0x42, 0x32, 0x0D, 0x0A, 0x1A, 0x0A}; + FX_INT32 nRet; + if(m_pStream->getByteLeft() < 8) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if(JBIG2_memcmp(m_pStream->getPointer(), fileID, 8) != 0) { + m_pModule->JBig2_Error("not jbig2 file"); + nRet = JBIG2_ERROR_FILE_FORMAT; + goto failed; + } + m_pStream->offset(8); + if(m_pStream->read1Byte(&cFlags) != 0) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if(!(cFlags & 0x02)) { + if(m_pStream->readInteger(&dwTemp) != 0) { + m_pModule->JBig2_Error("file header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if(dwTemp > 0) { + delete m_pPageInfoList; + JBIG2_ALLOC(m_pPageInfoList, CJBig2_List<JBig2PageInfo>(dwTemp)); + } + } + if(cFlags & 0x01) { + m_nStreamType = JBIG2_SQUENTIAL_STREAM; + return decode_SquentialOrgnazation(pPause); + } else { + m_nStreamType = JBIG2_RANDOM_STREAM; + return decode_RandomOrgnazation_FirstPage(pPause); + } +failed: + return nRet; +} +FX_INT32 CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause) +{ + FX_INT32 nRet; + if(m_pStream->getByteLeft() > 0) { + while(m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) { + if(m_pSegment == NULL) { + JBIG2_ALLOC(m_pSegment, CJBig2_Segment()); + nRet = parseSegmentHeader(m_pSegment); + if(nRet != JBIG2_SUCCESS) { + delete m_pSegment; + m_pSegment = NULL; + return nRet; + } + m_dwOffset = m_pStream->getOffset(); + } + nRet = parseSegmentData(m_pSegment, pPause); + if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_PauseStep = 2; + return JBIG2_SUCCESS; + } + if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { + delete m_pSegment; + m_pSegment = NULL; + break; + } else if(nRet != JBIG2_SUCCESS) { + delete m_pSegment; + m_pSegment = NULL; + return nRet; + } + m_pSegmentList->addItem(m_pSegment); + if(m_pSegment->m_dwData_length != 0xffffffff) { + m_dwOffset = m_dwOffset + m_pSegment->m_dwData_length; + m_pStream->setOffset(m_dwOffset); + } else { + m_pStream->offset(4); + } + OutputBitmap(m_pPage); + m_pSegment = NULL; + if(m_pStream->getByteLeft() > 0 && m_pPage && pPause && pPause->NeedToPauseNow()) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + m_PauseStep = 2; + return JBIG2_SUCCESS; + } + } + } else { + return JBIG2_END_OF_FILE; + } + return JBIG2_SUCCESS; +} +FX_INT32 CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) +{ + return decode_SquentialOrgnazation(pPause); +} +FX_INT32 CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) +{ + CJBig2_Segment *pSegment; + FX_INT32 nRet; + while(m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) { + JBIG2_ALLOC(pSegment, CJBig2_Segment()); + nRet = parseSegmentHeader(pSegment); + if(nRet != JBIG2_SUCCESS) { + delete pSegment; + return nRet; + } else if(pSegment->m_cFlags.s.type == 51) { + delete pSegment; + break; + } + m_pSegmentList->addItem(pSegment); + if(pPause && m_pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 3; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return JBIG2_SUCCESS; + } + } + m_nSegmentDecoded = 0; + return decode_RandomOrgnazation(pPause); +} +FX_INT32 CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause) +{ + FX_INT32 nRet; + for(; m_nSegmentDecoded < m_pSegmentList->getLength(); m_nSegmentDecoded++) { + nRet = parseSegmentData(m_pSegmentList->getAt(m_nSegmentDecoded), pPause); + if((nRet == JBIG2_END_OF_PAGE) || (nRet == JBIG2_END_OF_FILE)) { + break; + } else if(nRet != JBIG2_SUCCESS) { + return nRet; + } + if(m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 4; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return JBIG2_SUCCESS; + } + } + return JBIG2_SUCCESS; +} +FX_INT32 CJBig2_Context::getFirstPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause) +{ + FX_INT32 nRet = 0; + if(m_pGlobalContext) { + nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); + if(nRet != JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + return nRet; + } + } + m_bFirstPage = TRUE; + m_PauseStep = 0; + if(m_pPage) { + delete m_pPage; + } + JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); + m_bBufSpecified = TRUE; + if(m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 1; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return nRet; + } + int ret = Continue(pPause); + return ret; +} +FX_INT32 CJBig2_Context::Continue(IFX_Pause* pPause) +{ + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_READY; + FX_INT32 nRet; + if(m_PauseStep <= 1) { + switch(m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: + nRet = decode_SquentialOrgnazation(pPause); + break; + case JBIG2_RANDOM_STREAM: + if(m_bFirstPage) { + nRet = decode_RandomOrgnazation_FirstPage(pPause); + } else { + nRet = decode_RandomOrgnazation(pPause); + } + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + return JBIG2_ERROR_STREAM_TYPE; + } + } else if(m_PauseStep == 2) { + nRet = decode_SquentialOrgnazation(pPause); + } else if(m_PauseStep == 3) { + nRet = decode_RandomOrgnazation_FirstPage(pPause); + } else if(m_PauseStep == 4) { + nRet = decode_RandomOrgnazation(pPause); + } else if(m_PauseStep == 5) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return JBIG2_SUCCESS; + } + if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return nRet; + } + m_PauseStep = 5; + if(!m_bBufSpecified && nRet == JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return JBIG2_SUCCESS; + } + if(nRet == JBIG2_SUCCESS) { + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_FINISH; + } else { + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + } + return nRet; +} +FX_INT32 CJBig2_Context::getNextPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause) +{ + FX_INT32 nRet = JBIG2_ERROR_STREAM_TYPE; + m_bFirstPage = FALSE; + m_PauseStep = 0; + if(m_pPage) { + delete m_pPage; + } + JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf)); + m_bBufSpecified = TRUE; + if(m_pPage && pPause && pPause->NeedToPauseNow()) { + m_PauseStep = 1; + m_ProcessiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return nRet; + } + return Continue(pPause); + switch(m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: + nRet = decode_SquentialOrgnazation(pPause); + break; + case JBIG2_RANDOM_STREAM: + nRet = decode_RandomOrgnazation(pPause); + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: + return JBIG2_ERROR_STREAM_TYPE; + } + return nRet; +} +FX_INT32 CJBig2_Context::getFirstPage(CJBig2_Image **image, IFX_Pause* pPause) +{ + FX_INT32 nRet; + m_bFirstPage = TRUE; + m_PauseStep = 0; + if(m_pGlobalContext) { + nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); + if(nRet != JBIG2_SUCCESS) { + return nRet; + } + } + m_bBufSpecified = FALSE; + return Continue(pPause); +} +FX_INT32 CJBig2_Context::getNextPage(CJBig2_Image **image, IFX_Pause* pPause) +{ + FX_INT32 nRet; + m_bBufSpecified = FALSE; + m_bFirstPage = FALSE; + m_PauseStep = 0; + switch(m_nStreamType) { + case JBIG2_FILE_STREAM: + nRet = decodeFile(pPause); + break; + case JBIG2_SQUENTIAL_STREAM: + nRet = decode_SquentialOrgnazation(pPause); + break; + case JBIG2_RANDOM_STREAM: + nRet = decode_RandomOrgnazation(pPause); + break; + case JBIG2_EMBED_STREAM: + nRet = decode_EmbedOrgnazation(pPause); + break; + default: + return JBIG2_ERROR_STREAM_TYPE; + } + if(nRet == JBIG2_SUCCESS) { + *image = m_pPage; + m_pPage = NULL; + return JBIG2_SUCCESS; + } + return nRet; +} +CJBig2_Segment *CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber) +{ + CJBig2_Segment *pSeg; + FX_INT32 i; + if(m_pGlobalContext) { + pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber); + if(pSeg) { + return pSeg; + } + } + for(i = 0; i < m_pSegmentList->getLength(); i++) { + pSeg = m_pSegmentList->getAt(i); + if(pSeg->m_dwNumber == dwNumber) { + return pSeg; + } + } + return NULL; +} +CJBig2_Segment *CJBig2_Context::findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment, + FX_BYTE cType, FX_INT32 nIndex) +{ + CJBig2_Segment *pSeg; + FX_INT32 i, count; + count = 0; + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if(pSeg && pSeg->m_cFlags.s.type == cType) { + if(count == nIndex) { + return pSeg; + } else { + count ++; + } + } + } + return NULL; +} +FX_INT32 CJBig2_Context::parseSegmentHeader(CJBig2_Segment *pSegment) +{ + FX_BYTE cSSize, cPSize; + FX_BYTE cTemp; + FX_WORD wTemp; + FX_DWORD dwTemp; + if((m_pStream->readInteger(&pSegment->m_dwNumber) != 0) + || (m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0)) { + goto failed; + } + cTemp = m_pStream->getCurByte(); + if((cTemp >> 5) == 7) { + if(m_pStream->readInteger((FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) { + goto failed; + } + pSegment->m_nReferred_to_segment_count &= 0x1fffffff; + if (pSegment->m_nReferred_to_segment_count > JBIG2_MAX_REFERRED_SEGMENT_COUNT) { + m_pModule->JBig2_Error("Too many referred segments."); + return JBIG2_ERROR_LIMIT; + } + dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8; + } else { + if(m_pStream->read1Byte(&cTemp) != 0) { + goto failed; + } + pSegment->m_nReferred_to_segment_count = cTemp >> 5; + dwTemp = 5 + 1; + } + cSSize = pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1; + cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1; + if(pSegment->m_nReferred_to_segment_count) { + pSegment->m_pReferred_to_segment_numbers = (FX_DWORD*)m_pModule->JBig2_Malloc2( + sizeof(FX_DWORD), pSegment->m_nReferred_to_segment_count); + for(FX_INT32 i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + switch(cSSize) { + case 1: + if(m_pStream->read1Byte(&cTemp) != 0) { + goto failed; + } + pSegment->m_pReferred_to_segment_numbers[i] = cTemp; + break; + case 2: + if(m_pStream->readShortInteger(&wTemp) != 0) { + goto failed; + } + pSegment->m_pReferred_to_segment_numbers[i] = wTemp; + break; + case 4: + if(m_pStream->readInteger(&dwTemp) != 0) { + goto failed; + } + pSegment->m_pReferred_to_segment_numbers[i] = dwTemp; + break; + } + if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) { + m_pModule->JBig2_Error("The referred segment number is greater than this segment number."); + goto failed; + } + } + } + if(cPSize == 1) { + if(m_pStream->read1Byte(&cTemp) != 0) { + goto failed; + } + pSegment->m_dwPage_association = cTemp; + } else { + if(m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) { + goto failed; + } + } + if(m_pStream->readInteger(&pSegment->m_dwData_length) != 0) { + goto failed; + } + pSegment->m_pData = m_pStream->getPointer(); + pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED; + return JBIG2_SUCCESS; +failed: + m_pModule->JBig2_Error("header too short."); + return JBIG2_ERROR_TOO_SHORT; +} +FX_INT32 CJBig2_Context::parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + FX_INT32 ret = ProcessiveParseSegmentData(pSegment, pPause); + while(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && m_pStream->getByteLeft() > 0) { + ret = ProcessiveParseSegmentData(pSegment, pPause); + } + return ret; +} +FX_INT32 CJBig2_Context::ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + switch(pSegment->m_cFlags.s.type) { + case 0: + return parseSymbolDict(pSegment, pPause); + case 4: + case 6: + case 7: + if(m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseTextRegion(pSegment); + } + case 16: + return parsePatternDict(pSegment, pPause); + case 20: + case 22: + case 23: + if(m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseHalftoneRegion(pSegment, pPause); + } + case 36: + case 38: + case 39: + if(m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseGenericRegion(pSegment, pPause); + } + case 40: + case 42: + case 43: + if(m_nState == JBIG2_OUT_OF_PAGE) { + goto failed2; + } else { + return parseGenericRefinementRegion(pSegment); + } + case 48: { + FX_WORD wTemp; + JBig2PageInfo *pPageInfo; + JBIG2_ALLOC(pPageInfo, JBig2PageInfo); + if((m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0) + || (m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0) + || (m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0) + || (m_pStream->readInteger(&pPageInfo->m_dwResolutionY) != 0) + || (m_pStream->read1Byte(&pPageInfo->m_cFlags) != 0) + || (m_pStream->readShortInteger(&wTemp) != 0)) { + delete pPageInfo; + goto failed1; + } + pPageInfo->m_bIsStriped = ((wTemp >> 15) & 1) ? 1 : 0; + pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff; + if((pPageInfo->m_dwHeight == 0xffffffff) && (pPageInfo->m_bIsStriped != 1)) { + m_pModule->JBig2_Warn("page height = 0xffffffff buf stripe field is 0"); + pPageInfo->m_bIsStriped = 1; + } + if(!m_bBufSpecified) { + if(m_pPage) { + delete m_pPage; + } + if(pPageInfo->m_dwHeight == 0xffffffff) { + JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_wMaxStripeSize)); + } else { + JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_dwHeight)); + } + } + m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0); + m_pPageInfoList->addItem(pPageInfo); + m_nState = JBIG2_IN_PAGE; + } + break; + case 49: + m_nState = JBIG2_OUT_OF_PAGE; + return JBIG2_END_OF_PAGE; + break; + case 50: + m_pStream->offset(pSegment->m_dwData_length); + break; + case 51: + return JBIG2_END_OF_FILE; + case 52: + m_pStream->offset(pSegment->m_dwData_length); + break; + case 53: + return parseTable(pSegment); + case 62: + m_pStream->offset(pSegment->m_dwData_length); + break; + default: + break; + } + return JBIG2_SUCCESS; +failed1: + m_pModule->JBig2_Error("segment data too short."); + return JBIG2_ERROR_TOO_SHORT; +failed2: + m_pModule->JBig2_Error("segment syntax error."); + return JBIG2_ERROR_FETAL; +} +FX_INT32 CJBig2_Context::parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + FX_DWORD dwTemp; + FX_WORD wFlags; + FX_BYTE cSDHUFFDH, cSDHUFFDW, cSDHUFFBMSIZE, cSDHUFFAGGINST; + CJBig2_HuffmanTable *Table_B1 = NULL, *Table_B2 = NULL, *Table_B3 = NULL, *Table_B4 = NULL, *Table_B5 = NULL; + FX_INT32 i, nIndex, nRet; + CJBig2_Segment *pSeg = NULL, *pLRSeg = NULL; + FX_BOOL bUsed; + CJBig2_Image ** SDINSYMS = NULL; + CJBig2_SDDProc *pSymbolDictDecoder; + JBig2ArithCtx *gbContext = NULL, *grContext = NULL; + CJBig2_ArithDecoder *pArithDecoder; + JBIG2_ALLOC(pSymbolDictDecoder, CJBig2_SDDProc()); + if(m_pStream->readShortInteger(&wFlags) != 0) { + m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pSymbolDictDecoder->SDHUFF = wFlags & 0x0001; + pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001; + pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003; + pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003; + cSDHUFFDH = (wFlags >> 2) & 0x0003; + cSDHUFFDW = (wFlags >> 4) & 0x0003; + cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001; + cSDHUFFAGGINST = (wFlags >> 7) & 0x0001; + if(pSymbolDictDecoder->SDHUFF == 0) { + if(pSymbolDictDecoder->SDTEMPLATE == 0) { + dwTemp = 8; + } else { + dwTemp = 2; + } + for(i = 0; i < (FX_INT32)dwTemp; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&pSymbolDictDecoder->SDAT[i]) != 0) { + m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } + if((pSymbolDictDecoder->SDREFAGG == 1) && (pSymbolDictDecoder->SDRTEMPLATE == 0)) { + for(i = 0; i < 4; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&pSymbolDictDecoder->SDRAT[i]) != 0) { + m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } + if((m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0) + || (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0)) { + m_pModule->JBig2_Error("symbol dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS + || pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) { + m_pModule->JBig2_Error("symbol dictionary segment : too many export/new symbols."); + nRet = JBIG2_ERROR_LIMIT; + goto failed; + } + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { + m_pModule->JBig2_Error("symbol dictionary segment : can't find refered to segments"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + } + pSymbolDictDecoder->SDNUMINSYMS = 0; + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if(pSeg->m_cFlags.s.type == 0) { + pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; + pLRSeg = pSeg; + } + } + if(pSymbolDictDecoder->SDNUMINSYMS == 0) { + SDINSYMS = NULL; + } else { + SDINSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), pSymbolDictDecoder->SDNUMINSYMS); + dwTemp = 0; + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if(pSeg->m_cFlags.s.type == 0) { + JBIG2_memcpy(SDINSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, + pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); + dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + } + pSymbolDictDecoder->SDINSYMS = SDINSYMS; + if(pSymbolDictDecoder->SDHUFF == 1) { + if((cSDHUFFDH == 2) || (cSDHUFFDW == 2)) { + m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH=2 or SDHUFFDW=2 is not permitted."); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + nIndex = 0; + if(cSDHUFFDH == 0) { + JBIG2_ALLOC(Table_B4, CJBig2_HuffmanTable(HuffmanTable_B4, + sizeof(HuffmanTable_B4) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B4)); + pSymbolDictDecoder->SDHUFFDH = Table_B4; + } else if(cSDHUFFDH == 1) { + JBIG2_ALLOC(Table_B5, CJBig2_HuffmanTable(HuffmanTable_B5, + sizeof(HuffmanTable_B5) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B5)); + pSymbolDictDecoder->SDHUFFDH = Table_B5; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDH can't find user supplied table."); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht; + } + if(cSDHUFFDW == 0) { + JBIG2_ALLOC(Table_B2, CJBig2_HuffmanTable(HuffmanTable_B2, + sizeof(HuffmanTable_B2) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B2)); + pSymbolDictDecoder->SDHUFFDW = Table_B2; + } else if(cSDHUFFDW == 1) { + JBIG2_ALLOC(Table_B3, CJBig2_HuffmanTable(HuffmanTable_B3, + sizeof(HuffmanTable_B3) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B3)); + pSymbolDictDecoder->SDHUFFDW = Table_B3; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFDW can't find user supplied table."); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht; + } + if(cSDHUFFBMSIZE == 0) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFBMSIZE can't find user supplied table."); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht; + } + if(pSymbolDictDecoder->SDREFAGG == 1) { + if(cSDHUFFAGGINST == 0) { + if(!Table_B1) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + } + pSymbolDictDecoder->SDHUFFAGGINST = Table_B1; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("symbol dictionary segment : SDHUFFAGGINST can't find user supplied table."); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht; + } + } + } + if((wFlags & 0x0100) && pLRSeg && pLRSeg->m_Result.sd->m_bContextRetained) { + if (pSymbolDictDecoder->SDHUFF == 0) { + dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ? + 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memcpy(gbContext, pLRSeg->m_Result.sd->m_gbContext, sizeof(JBig2ArithCtx)*dwTemp); + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memcpy(grContext, pLRSeg->m_Result.sd->m_grContext, sizeof(JBig2ArithCtx)*dwTemp); + } + } else { + if (pSymbolDictDecoder->SDHUFF == 0) { + dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0 ? 65536 : pSymbolDictDecoder->SDTEMPLATE == 1 ? + 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + } + if (pSymbolDictDecoder->SDREFAGG == 1) { + dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + } + } + pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER; + if(pSymbolDictDecoder->SDHUFF == 0) { + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith(pArithDecoder, gbContext, grContext); + delete pArithDecoder; + if(pSegment->m_Result.sd == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman(m_pStream, gbContext, grContext, pPause); + if(pSegment->m_Result.sd == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + } + if(wFlags & 0x0200) { + pSegment->m_Result.sd->m_bContextRetained = TRUE; + if(pSymbolDictDecoder->SDHUFF == 0) { + pSegment->m_Result.sd->m_gbContext = gbContext; + } + if(pSymbolDictDecoder->SDREFAGG == 1) { + pSegment->m_Result.sd->m_grContext = grContext; + } + bUsed = TRUE; + } else { + bUsed = FALSE; + } + delete pSymbolDictDecoder; + if(SDINSYMS) { + m_pModule->JBig2_Free(SDINSYMS); + } + if(Table_B1) { + delete Table_B1; + } + if(Table_B2) { + delete Table_B2; + } + if(Table_B3) { + delete Table_B3; + } + if(Table_B4) { + delete Table_B4; + } + if(Table_B5) { + delete Table_B5; + } + if(bUsed == FALSE) { + if(gbContext) { + m_pModule->JBig2_Free(gbContext); + } + if(grContext) { + m_pModule->JBig2_Free(grContext); + } + } + return JBIG2_SUCCESS; +failed: + delete pSymbolDictDecoder; + if(SDINSYMS) { + m_pModule->JBig2_Free(SDINSYMS); + } + if(Table_B1) { + delete Table_B1; + } + if(Table_B2) { + delete Table_B2; + } + if(Table_B3) { + delete Table_B3; + } + if(Table_B4) { + delete Table_B4; + } + if(Table_B5) { + delete Table_B5; + } + if(gbContext) { + m_pModule->JBig2_Free(gbContext); + } + if(grContext) { + m_pModule->JBig2_Free(grContext); + } + return nRet; +} + +FX_BOOL CJBig2_Context::parseTextRegion(CJBig2_Segment *pSegment) +{ + FX_DWORD dwTemp; + FX_WORD wFlags; + FX_INT32 i, nIndex, nRet; + JBig2RegionInfo ri; + CJBig2_Segment *pSeg; + CJBig2_Image **SBSYMS = NULL; + JBig2HuffmanCode *SBSYMCODES = NULL; + FX_BYTE cSBHUFFFS, cSBHUFFDS, cSBHUFFDT, cSBHUFFRDW, cSBHUFFRDH, cSBHUFFRDX, cSBHUFFRDY, cSBHUFFRSIZE; + CJBig2_HuffmanTable *Table_B1 = NULL, + *Table_B6 = NULL, + *Table_B7 = NULL, + *Table_B8 = NULL, + *Table_B9 = NULL, + *Table_B10 = NULL, + *Table_B11 = NULL, + *Table_B12 = NULL, + *Table_B13 = NULL, + *Table_B14 = NULL, + *Table_B15 = NULL; + JBig2ArithCtx *grContext = NULL; + CJBig2_ArithDecoder *pArithDecoder; + CJBig2_TRDProc *pTRD; + JBIG2_ALLOC(pTRD, CJBig2_TRDProc()); + if((parseRegionInfo(&ri) != JBIG2_SUCCESS) + || (m_pStream->readShortInteger(&wFlags) != 0)) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pTRD->SBW = ri.width; + pTRD->SBH = ri.height; + pTRD->SBHUFF = wFlags & 0x0001; + pTRD->SBREFINE = (wFlags >> 1) & 0x0001; + dwTemp = (wFlags >> 2) & 0x0003; + pTRD->SBSTRIPS = 1 << dwTemp; + pTRD->REFCORNER = (JBig2Corner)((wFlags >> 4) & 0x0003); + pTRD->TRANSPOSED = (wFlags >> 6) & 0x0001; + pTRD->SBCOMBOP = (JBig2ComposeOp)((wFlags >> 7) & 0x0003); + pTRD->SBDEFPIXEL = (wFlags >> 9) & 0x0001; + pTRD->SBDSOFFSET = (wFlags >> 10) & 0x001f; + if(pTRD->SBDSOFFSET >= 0x0010) { + pTRD->SBDSOFFSET = pTRD->SBDSOFFSET - 0x0020; + } + pTRD->SBRTEMPLATE = (wFlags >> 15) & 0x0001; + if(pTRD->SBHUFF == 1) { + if(m_pStream->readShortInteger(&wFlags) != 0) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + cSBHUFFFS = wFlags & 0x0003; + cSBHUFFDS = (wFlags >> 2) & 0x0003; + cSBHUFFDT = (wFlags >> 4) & 0x0003; + cSBHUFFRDW = (wFlags >> 6) & 0x0003; + cSBHUFFRDH = (wFlags >> 8) & 0x0003; + cSBHUFFRDX = (wFlags >> 10) & 0x0003; + cSBHUFFRDY = (wFlags >> 12) & 0x0003; + cSBHUFFRSIZE = (wFlags >> 14) & 0x0001; + } + if((pTRD->SBREFINE == 1) && (pTRD->SBRTEMPLATE == 0)) { + for(i = 0; i < 4; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&pTRD->SBRAT[i]) != 0) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } + if(m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) { + m_pModule->JBig2_Error("text region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + if(!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) { + m_pModule->JBig2_Error("text region segment : can't find refered to segments"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + } + pTRD->SBNUMSYMS = 0; + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if(pSeg->m_cFlags.s.type == 0) { + pTRD->SBNUMSYMS += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + if (pTRD->SBNUMSYMS > 0) { + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( + sizeof(CJBig2_Image*), pTRD->SBNUMSYMS); + dwTemp = 0; + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); + if(pSeg->m_cFlags.s.type == 0) { + JBIG2_memcpy(SBSYMS + dwTemp, pSeg->m_Result.sd->SDEXSYMS, + pSeg->m_Result.sd->SDNUMEXSYMS * sizeof(CJBig2_Image*)); + dwTemp += pSeg->m_Result.sd->SDNUMEXSYMS; + } + } + pTRD->SBSYMS = SBSYMS; + } else { + pTRD->SBSYMS = NULL; + } + if(pTRD->SBHUFF == 1) { + SBSYMCODES = decodeSymbolIDHuffmanTable(m_pStream, pTRD->SBNUMSYMS); + if(SBSYMCODES == NULL) { + m_pModule->JBig2_Error("text region segment: symbol ID huffman table decode failure!"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + pTRD->SBSYMCODES = SBSYMCODES; + } else { + dwTemp = 0; + while((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) { + dwTemp ++; + } + pTRD->SBSYMCODELEN = (FX_BYTE)dwTemp; + } + if(pTRD->SBHUFF == 1) { + if((cSBHUFFFS == 2) || (cSBHUFFRDW == 2) || (cSBHUFFRDH == 2) + || (cSBHUFFRDX == 2) || (cSBHUFFRDY == 2)) { + m_pModule->JBig2_Error("text region segment : SBHUFFFS=2 or SBHUFFRDW=2 or " + "SBHUFFRDH=2 or SBHUFFRDX=2 or SBHUFFRDY=2 is not permitted"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + nIndex = 0; + if(cSBHUFFFS == 0) { + JBIG2_ALLOC(Table_B6, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); + pTRD->SBHUFFFS = Table_B6; + } else if(cSBHUFFFS == 1) { + JBIG2_ALLOC(Table_B7, CJBig2_HuffmanTable(HuffmanTable_B7, + sizeof(HuffmanTable_B7) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B7)); + pTRD->SBHUFFFS = Table_B7; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFFS can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFFS = pSeg->m_Result.ht; + } + if(cSBHUFFDS == 0) { + JBIG2_ALLOC(Table_B8, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); + pTRD->SBHUFFDS = Table_B8; + } else if(cSBHUFFDS == 1) { + JBIG2_ALLOC(Table_B9, CJBig2_HuffmanTable(HuffmanTable_B9, + sizeof(HuffmanTable_B9) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B9)); + pTRD->SBHUFFDS = Table_B9; + } else if(cSBHUFFDS == 2) { + JBIG2_ALLOC(Table_B10, CJBig2_HuffmanTable(HuffmanTable_B10, + sizeof(HuffmanTable_B10) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B10)); + pTRD->SBHUFFDS = Table_B10; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFDS can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFDS = pSeg->m_Result.ht; + } + if(cSBHUFFDT == 0) { + JBIG2_ALLOC(Table_B11, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); + pTRD->SBHUFFDT = Table_B11; + } else if(cSBHUFFDT == 1) { + JBIG2_ALLOC(Table_B12, CJBig2_HuffmanTable(HuffmanTable_B12, + sizeof(HuffmanTable_B12) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B12)); + pTRD->SBHUFFDT = Table_B12; + } else if(cSBHUFFDT == 2) { + JBIG2_ALLOC(Table_B13, CJBig2_HuffmanTable(HuffmanTable_B13, + sizeof(HuffmanTable_B13) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B13)); + pTRD->SBHUFFDT = Table_B13; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFDT can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFDT = pSeg->m_Result.ht; + } + if(cSBHUFFRDW == 0) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); + pTRD->SBHUFFRDW = Table_B14; + } else if(cSBHUFFRDW == 1) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + pTRD->SBHUFFRDW = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFRDW can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFRDW = pSeg->m_Result.ht; + } + if(cSBHUFFRDH == 0) { + if(!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDH = Table_B14; + } else if(cSBHUFFRDH == 1) { + if(!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDH = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFRDH can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFRDH = pSeg->m_Result.ht; + } + if(cSBHUFFRDX == 0) { + if(!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDX = Table_B14; + } else if(cSBHUFFRDX == 1) { + if(!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDX = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFRDX can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFRDX = pSeg->m_Result.ht; + } + if(cSBHUFFRDY == 0) { + if(!Table_B14) { + JBIG2_ALLOC(Table_B14, CJBig2_HuffmanTable(HuffmanTable_B14, + sizeof(HuffmanTable_B14) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B14)); + } + pTRD->SBHUFFRDY = Table_B14; + } else if(cSBHUFFRDY == 1) { + if(!Table_B15) { + JBIG2_ALLOC(Table_B15, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + } + pTRD->SBHUFFRDY = Table_B15; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFRDY can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFRDY = pSeg->m_Result.ht; + } + if(cSBHUFFRSIZE == 0) { + JBIG2_ALLOC(Table_B1, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pTRD->SBHUFFRSIZE = Table_B1; + } else { + pSeg = findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); + if(!pSeg) { + m_pModule->JBig2_Error("text region segment : SBHUFFRSIZE can't find user supplied table"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pTRD->SBHUFFRSIZE = pSeg->m_Result.ht; + } + } + if(pTRD->SBREFINE == 1) { + dwTemp = pTRD->SBRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + } + if(pTRD->SBHUFF == 0) { + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + pSegment->m_Result.im = pTRD->decode_Arith(pArithDecoder, grContext); + delete pArithDecoder; + if(pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + pSegment->m_Result.im = pTRD->decode_Huffman(m_pStream, grContext); + if(pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + } + if(pSegment->m_cFlags.s.type != 4) { + if(!m_bBufSpecified) { + JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pTRD; + if(SBSYMS) { + m_pModule->JBig2_Free(SBSYMS); + } + if(SBSYMCODES) { + m_pModule->JBig2_Free(SBSYMCODES); + } + if(grContext) { + m_pModule->JBig2_Free(grContext); + } + if(Table_B1) { + delete Table_B1; + } + if(Table_B6) { + delete Table_B6; + } + if(Table_B7) { + delete Table_B7; + } + if(Table_B8) { + delete Table_B8; + } + if(Table_B9) { + delete Table_B9; + } + if(Table_B10) { + delete Table_B10; + } + if(Table_B11) { + delete Table_B11; + } + if(Table_B12) { + delete Table_B12; + } + if(Table_B13) { + delete Table_B13; + } + if(Table_B14) { + delete Table_B14; + } + if(Table_B15) { + delete Table_B15; + } + return JBIG2_SUCCESS; +failed: + delete pTRD; + if(SBSYMS) { + m_pModule->JBig2_Free(SBSYMS); + } + if(SBSYMCODES) { + m_pModule->JBig2_Free(SBSYMCODES); + } + if(grContext) { + m_pModule->JBig2_Free(grContext); + } + if(Table_B1) { + delete Table_B1; + } + if(Table_B6) { + delete Table_B6; + } + if(Table_B7) { + delete Table_B7; + } + if(Table_B8) { + delete Table_B8; + } + if(Table_B9) { + delete Table_B9; + } + if(Table_B10) { + delete Table_B10; + } + if(Table_B11) { + delete Table_B11; + } + if(Table_B12) { + delete Table_B12; + } + if(Table_B13) { + delete Table_B13; + } + if(Table_B14) { + delete Table_B14; + } + if(Table_B15) { + delete Table_B15; + } + return nRet; +} + +FX_BOOL CJBig2_Context::parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + FX_DWORD dwTemp; + FX_BYTE cFlags; + JBig2ArithCtx *gbContext; + CJBig2_ArithDecoder *pArithDecoder; + CJBig2_PDDProc *pPDD; + FX_INT32 nRet; + JBIG2_ALLOC(pPDD, CJBig2_PDDProc()); + if((m_pStream->read1Byte(&cFlags) != 0) + || (m_pStream->read1Byte(&pPDD->HDPW) != 0) + || (m_pStream->read1Byte(&pPDD->HDPH) != 0) + || (m_pStream->readInteger(&pPDD->GRAYMAX) != 0)) { + m_pModule->JBig2_Error("pattern dictionary segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) { + m_pModule->JBig2_Error("pattern dictionary segment : too max gray max."); + nRet = JBIG2_ERROR_LIMIT; + goto failed; + } + pPDD->HDMMR = cFlags & 0x01; + pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03; + pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER; + if(pPDD->HDMMR == 0) { + dwTemp = pPDD->HDTEMPLATE == 0 ? 65536 : pPDD->HDTEMPLATE == 1 ? 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.pd = pPDD->decode_Arith(pArithDecoder, gbContext, pPause); + delete pArithDecoder; + if(pSegment->m_Result.pd == NULL) { + m_pModule->JBig2_Free(gbContext); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pModule->JBig2_Free(gbContext); + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream, pPause); + if(pSegment->m_Result.pd == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + } + delete pPDD; + return JBIG2_SUCCESS; +failed: + delete pPDD; + return nRet; +} +FX_BOOL CJBig2_Context::parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + FX_DWORD dwTemp; + FX_BYTE cFlags; + JBig2RegionInfo ri; + CJBig2_Segment *pSeg; + CJBig2_PatternDict *pPatternDict; + JBig2ArithCtx *gbContext; + CJBig2_ArithDecoder *pArithDecoder; + CJBig2_HTRDProc *pHRD; + FX_INT32 nRet; + JBIG2_ALLOC(pHRD, CJBig2_HTRDProc()); + if((parseRegionInfo(&ri) != JBIG2_SUCCESS) + || (m_pStream->read1Byte(&cFlags) != 0) + || (m_pStream->readInteger(&pHRD->HGW) != 0) + || (m_pStream->readInteger(&pHRD->HGH) != 0) + || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGX) != 0) + || (m_pStream->readInteger((FX_DWORD*)&pHRD->HGY) != 0) + || (m_pStream->readShortInteger(&pHRD->HRX) != 0) + || (m_pStream->readShortInteger(&pHRD->HRY) != 0)) { + m_pModule->JBig2_Error("halftone region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pHRD->HBW = ri.width; + pHRD->HBH = ri.height; + pHRD->HMMR = cFlags & 0x01; + pHRD->HTEMPLATE = (cFlags >> 1) & 0x03; + pHRD->HENABLESKIP = (cFlags >> 3) & 0x01; + pHRD->HCOMBOP = (JBig2ComposeOp)((cFlags >> 4) & 0x07); + pHRD->HDEFPIXEL = (cFlags >> 7) & 0x01; + if(pSegment->m_nReferred_to_segment_count != 1) { + m_pModule->JBig2_Error("halftone region segment : refered to segment count not equals 1"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); + if( (pSeg == NULL) || (pSeg->m_cFlags.s.type != 16)) { + m_pModule->JBig2_Error("halftone region segment : refered to segment is not pattern dict"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pPatternDict = pSeg->m_Result.pd; + if((pPatternDict == NULL) || (pPatternDict->NUMPATS == 0)) { + m_pModule->JBig2_Error("halftone region segment : has no patterns input"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pHRD->HNUMPATS = pPatternDict->NUMPATS; + pHRD->HPATS = pPatternDict->HDPATS; + pHRD->HPW = pPatternDict->HDPATS[0]->m_nWidth; + pHRD->HPH = pPatternDict->HDPATS[0]->m_nHeight; + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + if(pHRD->HMMR == 0) { + dwTemp = pHRD->HTEMPLATE == 0 ? 65536 : pHRD->HTEMPLATE == 1 ? 8192 : 1024; + gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_Result.im = pHRD->decode_Arith(pArithDecoder, gbContext, pPause); + delete pArithDecoder; + if(pSegment->m_Result.im == NULL) { + m_pModule->JBig2_Free(gbContext); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pModule->JBig2_Free(gbContext); + m_pStream->alignByte(); + m_pStream->offset(2); + } else { + pSegment->m_Result.im = pHRD->decode_MMR(m_pStream, pPause); + if(pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + } + if(pSegment->m_cFlags.s.type != 20) { + if(!m_bBufSpecified) { + JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pHRD; + return JBIG2_SUCCESS; +failed: + delete pHRD; + return nRet; +} + +FX_BOOL CJBig2_Context::parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause) +{ + FX_DWORD dwTemp; + FX_BYTE cFlags; + FX_INT32 i, nRet; + if(m_pGRD == NULL) { + JBIG2_ALLOC(m_pGRD, CJBig2_GRDProc()); + if((parseRegionInfo(&m_ri) != JBIG2_SUCCESS) + || (m_pStream->read1Byte(&cFlags) != 0)) { + m_pModule->JBig2_Error("generic region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + if (m_ri.height < 0 || m_ri.width < 0) { + m_pModule->JBig2_Error("generic region segment : wrong data."); + nRet = JBIG2_FAILED; + goto failed; + } + m_pGRD->GBW = m_ri.width; + m_pGRD->GBH = m_ri.height; + m_pGRD->MMR = cFlags & 0x01; + m_pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03; + m_pGRD->TPGDON = (cFlags >> 3) & 0x01; + if(m_pGRD->MMR == 0) { + if(m_pGRD->GBTEMPLATE == 0) { + for(i = 0; i < 8; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&m_pGRD->GBAT[i]) != 0) { + m_pModule->JBig2_Error("generic region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } else { + for(i = 0; i < 2; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&m_pGRD->GBAT[i]) != 0) { + m_pModule->JBig2_Error("generic region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } + } + m_pGRD->USESKIP = 0; + } + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + if(m_pGRD->MMR == 0) { + dwTemp = m_pGRD->GBTEMPLATE == 0 ? 65536 : m_pGRD->GBTEMPLATE == 1 ? 8192 : 1024; + if(m_gbContext == NULL) { + m_gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc(sizeof(JBig2ArithCtx) * dwTemp); + JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + } + if(m_pArithDecoder == NULL) { + JBIG2_ALLOC(m_pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + m_ProcessiveStatus = m_pGRD->Start_decode_Arith(&pSegment->m_Result.im, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProcessiveStatus = m_pGRD->Continue_decode(pPause); + } + OutputBitmap(pSegment->m_Result.im); + if(m_ProcessiveStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + if(pSegment->m_cFlags.s.type != 36) { + if(!m_bBufSpecified) { + JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + FX_RECT Rect = m_pGRD->GetReplaceRect(); + m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); + } + return JBIG2_SUCCESS; + } else { + delete m_pArithDecoder; + m_pArithDecoder = NULL; + if(pSegment->m_Result.im == NULL) { + m_pModule->JBig2_Free(m_gbContext); + nRet = JBIG2_ERROR_FETAL; + m_gbContext = NULL; + m_ProcessiveStatus = FXCODEC_STATUS_ERROR; + goto failed; + } + m_pModule->JBig2_Free(m_gbContext); + m_gbContext = NULL; + m_pStream->alignByte(); + m_pStream->offset(2); + } + } else { + FXCODEC_STATUS status = m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, m_pStream, pPause); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + m_pGRD->Continue_decode(pPause); + } + if(pSegment->m_Result.im == NULL) { + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pStream->alignByte(); + } + if(pSegment->m_cFlags.s.type != 36) { + if(!m_bBufSpecified) { + JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && (m_ri.y + m_ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(m_ri.y + m_ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + FX_RECT Rect = m_pGRD->GetReplaceRect(); + m_pPage->composeFrom(m_ri.x + Rect.left, m_ri.y + Rect.top, pSegment->m_Result.im, (JBig2ComposeOp)(m_ri.flags & 0x03), &Rect); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete m_pGRD; + m_pGRD = NULL; + return JBIG2_SUCCESS; +failed: + delete m_pGRD; + m_pGRD = NULL; + return nRet; +} + +FX_BOOL CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment *pSegment) +{ + FX_DWORD dwTemp; + JBig2RegionInfo ri; + CJBig2_Segment *pSeg; + FX_INT32 i, nRet; + FX_BYTE cFlags; + JBig2ArithCtx *grContext; + CJBig2_GRRDProc *pGRRD; + CJBig2_ArithDecoder *pArithDecoder; + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + if((parseRegionInfo(&ri) != JBIG2_SUCCESS) + || (m_pStream->read1Byte(&cFlags) != 0)) { + m_pModule->JBig2_Error("generic refinement region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + pGRRD->GRW = ri.width; + pGRRD->GRH = ri.height; + pGRRD->GRTEMPLATE = cFlags & 0x01; + pGRRD->TPGRON = (cFlags >> 1) & 0x01; + if(pGRRD->GRTEMPLATE == 0) { + for(i = 0; i < 4; i++) { + if(m_pStream->read1Byte((FX_BYTE*)&pGRRD->GRAT[i]) != 0) { + m_pModule->JBig2_Error("generic refinement region segment : data header too short."); + nRet = JBIG2_ERROR_TOO_SHORT; + goto failed; + } + } + } + pSeg = NULL; + if(pSegment->m_nReferred_to_segment_count > 0) { + for(i = 0; i < pSegment->m_nReferred_to_segment_count; i++) { + pSeg = this->findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); + if(pSeg == NULL) { + m_pModule->JBig2_Error("generic refinement region segment : can't find refered to segments"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + if((pSeg->m_cFlags.s.type == 4) || (pSeg->m_cFlags.s.type == 20) + || (pSeg->m_cFlags.s.type == 36) || (pSeg->m_cFlags.s.type == 40)) { + break; + } + } + if(i >= pSegment->m_nReferred_to_segment_count) { + m_pModule->JBig2_Error("generic refinement region segment : can't find refered to intermediate region"); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + pGRRD->GRREFERENCE = pSeg->m_Result.im; + } else { + pGRRD->GRREFERENCE = m_pPage; + } + pGRRD->GRREFERENCEDX = 0; + pGRRD->GRREFERENCEDY = 0; + dwTemp = pGRRD->GRTEMPLATE ? 1 << 10 : 1 << 13; + grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp); + JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx)*dwTemp); + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(m_pStream)); + pSegment->m_nResultType = JBIG2_IMAGE_POINTER; + pSegment->m_Result.im = pGRRD->decode(pArithDecoder, grContext); + delete pArithDecoder; + if(pSegment->m_Result.im == NULL) { + m_pModule->JBig2_Free(grContext); + nRet = JBIG2_ERROR_FETAL; + goto failed; + } + m_pModule->JBig2_Free(grContext); + m_pStream->alignByte(); + m_pStream->offset(2); + if(pSegment->m_cFlags.s.type != 40) { + if(!m_bBufSpecified) { + JBig2PageInfo *pPageInfo = m_pPageInfoList->getLast(); + if ((pPageInfo->m_bIsStriped == 1) && (ri.y + ri.height > m_pPage->m_nHeight)) { + m_pPage->expand(ri.y + ri.height, (pPageInfo->m_cFlags & 4) ? 1 : 0); + } + } + m_pPage->composeFrom(ri.x, ri.y, pSegment->m_Result.im, (JBig2ComposeOp)(ri.flags & 0x03)); + delete pSegment->m_Result.im; + pSegment->m_Result.im = NULL; + } + delete pGRRD; + return JBIG2_SUCCESS; +failed: + delete pGRRD; + return nRet; +} +FX_BOOL CJBig2_Context::parseTable(CJBig2_Segment *pSegment) +{ + pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER; + JBIG2_ALLOC(pSegment->m_Result.ht, CJBig2_HuffmanTable(m_pStream)); + if(!pSegment->m_Result.ht->isOK()) { + delete pSegment->m_Result.ht; + pSegment->m_Result.ht = NULL; + return JBIG2_ERROR_FETAL; + } + m_pStream->alignByte(); + return JBIG2_SUCCESS; +} +FX_INT32 CJBig2_Context::parseRegionInfo(JBig2RegionInfo *pRI) +{ + if((m_pStream->readInteger((FX_DWORD*)&pRI->width) != 0) + || (m_pStream->readInteger((FX_DWORD*)&pRI->height) != 0) + || (m_pStream->readInteger((FX_DWORD*)&pRI->x) != 0) + || (m_pStream->readInteger((FX_DWORD*)&pRI->y) != 0) + || (m_pStream->read1Byte(&pRI->flags) != 0)) { + return JBIG2_ERROR_TOO_SHORT; + } + return JBIG2_SUCCESS; +} +JBig2HuffmanCode *CJBig2_Context::decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream, + FX_DWORD SBNUMSYMS) +{ + JBig2HuffmanCode *SBSYMCODES; + FX_INT32 runcodes[35], runcodes_len[35], runcode; + FX_INT32 i, j, nTemp, nVal, nBits; + FX_INT32 run; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(sizeof(JBig2HuffmanCode), SBNUMSYMS); + for (i = 0; i < 35; i ++) { + if(pStream->readNBits(4, &runcodes_len[i]) != 0) { + goto failed; + } + } + huffman_assign_code(runcodes, runcodes_len, 35); + i = 0; + while(i < (int)SBNUMSYMS) { + nVal = 0; + nBits = 0; + for(;;) { + if(pStream->read1Bit(&nTemp) != 0) { + goto failed; + } + nVal = (nVal << 1) | nTemp; + nBits ++; + for(j = 0; j < 35; j++) { + if((nBits == runcodes_len[j]) && (nVal == runcodes[j])) { + break; + } + } + if(j < 35) { + break; + } + } + runcode = j; + if(runcode < 32) { + SBSYMCODES[i].codelen = runcode; + run = 0; + } else if(runcode == 32) { + if(pStream->readNBits(2, &nTemp) != 0) { + goto failed; + } + run = nTemp + 3; + } else if(runcode == 33) { + if(pStream->readNBits(3, &nTemp) != 0) { + goto failed; + } + run = nTemp + 3; + } else if(runcode == 34) { + if(pStream->readNBits(7, &nTemp) != 0) { + goto failed; + } + run = nTemp + 11; + } + if(run > 0) { + if (i + run > (int)SBNUMSYMS) { + goto failed; + } + for(j = 0; j < run; j++) { + if(runcode == 32 && i > 0) { + SBSYMCODES[i + j].codelen = SBSYMCODES[i - 1].codelen; + } else { + SBSYMCODES[i + j].codelen = 0; + } + } + i += run; + } else { + i ++; + } + } + huffman_assign_code(SBSYMCODES, SBNUMSYMS); + return SBSYMCODES; +failed: + m_pModule->JBig2_Free(SBSYMCODES); + return NULL; +} +void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) +{ + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int *LENCOUNT; + int *FIRSTCODE; + LENMAX = 0; + for(i = 0; i < NTEMP; i++) { + if(PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for(i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]] ++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while(CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while(CURTEMP < NTEMP) { + if(PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); +} +void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP) +{ + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int *LENCOUNT; + int *FIRSTCODE; + LENMAX = 0; + for(i = 0; i < NTEMP; i++) { + if(SBSYMCODES[i].codelen > LENMAX) { + LENMAX = SBSYMCODES[i].codelen; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for(i = 0; i < NTEMP; i++) { + LENCOUNT[SBSYMCODES[i].codelen] ++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while(CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while(CURTEMP < NTEMP) { + if(SBSYMCODES[CURTEMP].codelen == CURLEN) { + SBSYMCODES[CURTEMP].code = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); +} diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h index 369dba3512..90bd7ddbbe 100644 --- a/core/src/fxcodec/jbig2/JBig2_Context.h +++ b/core/src/fxcodec/jbig2/JBig2_Context.h @@ -1,135 +1,135 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_CONTEXT_H_
-#define _JBIG2_CONTEXT_H_
-#include "JBig2_Module.h"
-#include "JBig2_List.h"
-#include "JBig2_Segment.h"
-#include "JBig2_Page.h"
-#include "JBig2_GeneralDecoder.h"
-#include "../../../include/fxcodec/fx_codec_def.h"
-#include "../../../include/fxcrt/fx_basic.h"
-typedef enum {
- JBIG2_OUT_OF_PAGE = 0,
- JBIG2_IN_PAGE,
-} JBig2State;
-#define JBIG2_SUCCESS 0
-#define JBIG2_FAILED -1
-#define JBIG2_ERROR_TOO_SHORT -2
-#define JBIG2_ERROR_FETAL -3
-#define JBIG2_END_OF_PAGE 2
-#define JBIG2_END_OF_FILE 3
-#define JBIG2_ERROR_FILE_FORMAT -4
-#define JBIG2_ERROR_STREAM_TYPE -5
-#define JBIG2_ERROR_LIMIT -6
-#define JBIG2_FILE_STREAM 0
-#define JBIG2_SQUENTIAL_STREAM 1
-#define JBIG2_RANDOM_STREAM 2
-#define JBIG2_EMBED_STREAM 3
-#define JBIG2_MIN_SEGMENT_SIZE 11
-class CJBig2_Context : public CJBig2_Object
-{
-public:
-
- static CJBig2_Context *CreateContext(CJBig2_Module *pModule, FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength,
- FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause = NULL);
-
- static void DestroyContext(CJBig2_Context *pContext);
-
- FX_INT32 getFirstPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause);
-
- FX_INT32 getNextPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause);
-
- FX_INT32 getFirstPage(CJBig2_Image **image, IFX_Pause* pPause);
-
- FX_INT32 getNextPage(CJBig2_Image **image, IFX_Pause* pPause);
- FX_INT32 Continue(IFX_Pause* pPause);
- FXCODEC_STATUS GetProcessiveStatus()
- {
- return m_ProcessiveStatus;
- };
-private:
-
- CJBig2_Context(FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength,
- FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause);
-
- ~CJBig2_Context();
-
- FX_INT32 decodeFile(IFX_Pause* pPause);
-
- FX_INT32 decode_SquentialOrgnazation(IFX_Pause* pPause);
-
- FX_INT32 decode_EmbedOrgnazation(IFX_Pause* pPause);
-
- FX_INT32 decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause);
-
- FX_INT32 decode_RandomOrgnazation(IFX_Pause* pPause);
-
- CJBig2_Segment *findSegmentByNumber(FX_DWORD dwNumber);
-
- CJBig2_Segment *findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment, FX_BYTE cType, FX_INT32 nIndex);
-
- FX_INT32 parseSegmentHeader(CJBig2_Segment *pSegment);
-
- FX_INT32 parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause);
- FX_INT32 ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause);
-
- FX_INT32 parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause);
-
- FX_INT32 parseTextRegion(CJBig2_Segment *pSegment);
-
- FX_INT32 parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause);
-
- FX_INT32 parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause);
-
- FX_INT32 parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause);
-
- FX_INT32 parseGenericRefinementRegion(CJBig2_Segment *pSegment);
-
- FX_INT32 parseTable(CJBig2_Segment *pSegment);
-
- FX_INT32 parseRegionInfo(JBig2RegionInfo *pRI);
-
-
-
- JBig2HuffmanCode *decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream, FX_DWORD SBNUMSYMS);
-
- void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP);
-
- void huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP);
-
-private:
-
- CJBig2_Context *m_pGlobalContext;
-
- FX_INT32 m_nStreamType;
-
- CJBig2_BitStream *m_pStream;
-
- FX_INT32 m_nState;
-
- CJBig2_List<CJBig2_Segment> *m_pSegmentList;
-
- CJBig2_List<JBig2PageInfo> *m_pPageInfoList;
-
- CJBig2_Image *m_pPage;
-
- FX_BOOL m_bBufSpecified;
-
- FX_INT32 m_nSegmentDecoded;
- IFX_Pause* m_pPause;
- FX_INT32 m_PauseStep;
- FXCODEC_STATUS m_ProcessiveStatus;
- FX_BOOL m_bFirstPage;
- CJBig2_ArithDecoder *m_pArithDecoder;
- CJBig2_GRDProc *m_pGRD;
- JBig2ArithCtx *m_gbContext;
- CJBig2_Segment *m_pSegment;
- FX_DWORD m_dwOffset;
- JBig2RegionInfo m_ri;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_CONTEXT_H_ +#define _JBIG2_CONTEXT_H_ +#include "JBig2_Module.h" +#include "JBig2_List.h" +#include "JBig2_Segment.h" +#include "JBig2_Page.h" +#include "JBig2_GeneralDecoder.h" +#include "../../../include/fxcodec/fx_codec_def.h" +#include "../../../include/fxcrt/fx_basic.h" +typedef enum { + JBIG2_OUT_OF_PAGE = 0, + JBIG2_IN_PAGE, +} JBig2State; +#define JBIG2_SUCCESS 0 +#define JBIG2_FAILED -1 +#define JBIG2_ERROR_TOO_SHORT -2 +#define JBIG2_ERROR_FETAL -3 +#define JBIG2_END_OF_PAGE 2 +#define JBIG2_END_OF_FILE 3 +#define JBIG2_ERROR_FILE_FORMAT -4 +#define JBIG2_ERROR_STREAM_TYPE -5 +#define JBIG2_ERROR_LIMIT -6 +#define JBIG2_FILE_STREAM 0 +#define JBIG2_SQUENTIAL_STREAM 1 +#define JBIG2_RANDOM_STREAM 2 +#define JBIG2_EMBED_STREAM 3 +#define JBIG2_MIN_SEGMENT_SIZE 11 +class CJBig2_Context : public CJBig2_Object +{ +public: + + static CJBig2_Context *CreateContext(CJBig2_Module *pModule, FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength, + FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause = NULL); + + static void DestroyContext(CJBig2_Context *pContext); + + FX_INT32 getFirstPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause); + + FX_INT32 getNextPage(FX_BYTE *pBuf, FX_INT32 width, FX_INT32 height, FX_INT32 stride, IFX_Pause* pPause); + + FX_INT32 getFirstPage(CJBig2_Image **image, IFX_Pause* pPause); + + FX_INT32 getNextPage(CJBig2_Image **image, IFX_Pause* pPause); + FX_INT32 Continue(IFX_Pause* pPause); + FXCODEC_STATUS GetProcessiveStatus() + { + return m_ProcessiveStatus; + }; +private: + + CJBig2_Context(FX_BYTE *pGlobalData, FX_DWORD dwGlobalLength, + FX_BYTE *pData, FX_DWORD dwLength, FX_INT32 nStreamType, IFX_Pause* pPause); + + ~CJBig2_Context(); + + FX_INT32 decodeFile(IFX_Pause* pPause); + + FX_INT32 decode_SquentialOrgnazation(IFX_Pause* pPause); + + FX_INT32 decode_EmbedOrgnazation(IFX_Pause* pPause); + + FX_INT32 decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause); + + FX_INT32 decode_RandomOrgnazation(IFX_Pause* pPause); + + CJBig2_Segment *findSegmentByNumber(FX_DWORD dwNumber); + + CJBig2_Segment *findReferredSegmentByTypeAndIndex(CJBig2_Segment *pSegment, FX_BYTE cType, FX_INT32 nIndex); + + FX_INT32 parseSegmentHeader(CJBig2_Segment *pSegment); + + FX_INT32 parseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause); + FX_INT32 ProcessiveParseSegmentData(CJBig2_Segment *pSegment, IFX_Pause* pPause); + + FX_INT32 parseSymbolDict(CJBig2_Segment *pSegment, IFX_Pause* pPause); + + FX_INT32 parseTextRegion(CJBig2_Segment *pSegment); + + FX_INT32 parsePatternDict(CJBig2_Segment *pSegment, IFX_Pause* pPause); + + FX_INT32 parseHalftoneRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause); + + FX_INT32 parseGenericRegion(CJBig2_Segment *pSegment, IFX_Pause* pPause); + + FX_INT32 parseGenericRefinementRegion(CJBig2_Segment *pSegment); + + FX_INT32 parseTable(CJBig2_Segment *pSegment); + + FX_INT32 parseRegionInfo(JBig2RegionInfo *pRI); + + + + JBig2HuffmanCode *decodeSymbolIDHuffmanTable(CJBig2_BitStream *pStream, FX_DWORD SBNUMSYMS); + + void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP); + + void huffman_assign_code(JBig2HuffmanCode *SBSYMCODES, int NTEMP); + +private: + + CJBig2_Context *m_pGlobalContext; + + FX_INT32 m_nStreamType; + + CJBig2_BitStream *m_pStream; + + FX_INT32 m_nState; + + CJBig2_List<CJBig2_Segment> *m_pSegmentList; + + CJBig2_List<JBig2PageInfo> *m_pPageInfoList; + + CJBig2_Image *m_pPage; + + FX_BOOL m_bBufSpecified; + + FX_INT32 m_nSegmentDecoded; + IFX_Pause* m_pPause; + FX_INT32 m_PauseStep; + FXCODEC_STATUS m_ProcessiveStatus; + FX_BOOL m_bFirstPage; + CJBig2_ArithDecoder *m_pArithDecoder; + CJBig2_GRDProc *m_pGRD; + JBig2ArithCtx *m_gbContext; + CJBig2_Segment *m_pSegment; + FX_DWORD m_dwOffset; + JBig2RegionInfo m_ri; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Define.h b/core/src/fxcodec/jbig2/JBig2_Define.h index 1019b6af5d..ccf15d07ba 100644 --- a/core/src/fxcodec/jbig2/JBig2_Define.h +++ b/core/src/fxcodec/jbig2/JBig2_Define.h @@ -1,34 +1,34 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_DEFINE_H_
-#define _JBIG2_DEFINE_H_
-#include "../../../include/fxcrt/fx_system.h"
-#define JBIG2_memset FXSYS_memset8
-#define JBIG2_memcmp FXSYS_memcmp32
-#define JBIG2_memcpy FXSYS_memcpy32
-#include "JBig2_Object.h"
-#define JBIG2_OOB 1
-typedef struct {
- FX_INT32 width,
- height;
- FX_INT32 x,
- y;
- FX_BYTE flags;
-} JBig2RegionInfo;
-typedef struct {
- FX_INT32 codelen;
- FX_INT32 code;
-} JBig2HuffmanCode;
-extern "C" {
- void _FaxG4Decode(void *pModule, FX_LPCBYTE src_buf, FX_DWORD src_size, int* pbitpos, FX_LPBYTE dest_buf, int width, int height, int pitch = 0);
-};
-#define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64
-#define JBIG2_MAX_EXPORT_SYSMBOLS 65535
-#define JBIG2_MAX_NEW_SYSMBOLS 65535
-#define JBIG2_MAX_PATTERN_INDEX 65535
-#define JBIG2_MAX_IMAGE_SIZE 65535
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_DEFINE_H_ +#define _JBIG2_DEFINE_H_ +#include "../../../include/fxcrt/fx_system.h" +#define JBIG2_memset FXSYS_memset8 +#define JBIG2_memcmp FXSYS_memcmp32 +#define JBIG2_memcpy FXSYS_memcpy32 +#include "JBig2_Object.h" +#define JBIG2_OOB 1 +typedef struct { + FX_INT32 width, + height; + FX_INT32 x, + y; + FX_BYTE flags; +} JBig2RegionInfo; +typedef struct { + FX_INT32 codelen; + FX_INT32 code; +} JBig2HuffmanCode; +extern "C" { + void _FaxG4Decode(void *pModule, FX_LPCBYTE src_buf, FX_DWORD src_size, int* pbitpos, FX_LPBYTE dest_buf, int width, int height, int pitch = 0); +}; +#define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64 +#define JBIG2_MAX_EXPORT_SYSMBOLS 65535 +#define JBIG2_MAX_NEW_SYSMBOLS 65535 +#define JBIG2_MAX_PATTERN_INDEX 65535 +#define JBIG2_MAX_IMAGE_SIZE 65535 +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp index 9aa714a228..5847b20a93 100644 --- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp @@ -1,4290 +1,4290 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_GeneralDecoder.h"
-#include "JBig2_ArithDecoder.h"
-#include "JBig2_ArithIntDecoder.h"
-#include "JBig2_HuffmanDecoder.h"
-#include "JBig2_HuffmanTable.h"
-#include "JBig2_PatternDict.h"
-CJBig2_Image *CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- if (GBW == 0 || GBH == 0) {
- CJBig2_Image* pImage;
- JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH));
- return pImage;
- }
- if(GBTEMPLATE == 0) {
- if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)
- && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1)
- && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2)
- && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) {
- return decode_Arith_Template0_opt3(pArithDecoder, gbContext);
- } else {
- return decode_Arith_Template0_unopt(pArithDecoder, gbContext);
- }
- } else if(GBTEMPLATE == 1) {
- if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) {
- return decode_Arith_Template1_opt3(pArithDecoder, gbContext);
- } else {
- return decode_Arith_Template1_unopt(pArithDecoder, gbContext);
- }
- } else if(GBTEMPLATE == 2) {
- if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) {
- return decode_Arith_Template2_opt3(pArithDecoder, gbContext);
- } else {
- return decode_Arith_Template2_unopt(pArithDecoder, gbContext);
- }
- } else {
- if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) {
- return decode_Arith_Template3_opt3(pArithDecoder, gbContext);
- } else {
- return decode_Arith_Template3_unopt(pArithDecoder, gbContext);
- }
- }
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(2, h - 2);
- line1 |= GBREG->getPixel(1, h - 2) << 1;
- line1 |= GBREG->getPixel(0, h - 2) << 2;
- line2 = GBREG->getPixel(3, h - 1);
- line2 |= GBREG->getPixel(2, h - 1) << 1;
- line2 |= GBREG->getPixel(1, h - 1) << 2;
- line2 |= GBREG->getPixel(0, h - 1) << 3;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 11;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x1f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x7f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, cVal;
- FX_INTPTR nStride, nStride2;
- FX_INT32 nBits, k;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = (h > 1) ? pLine[-nStride2] << 6 : 0;
- line2 = (h > 0) ? pLine[-nStride] : 0;
- CONTEXT = (line1 & 0xf800) | (line2 & 0x07f0);
- for(FX_DWORD w = 0; w < GBW; w += 8) {
- if(w + 8 < GBW) {
- nBits = 8;
- if(h > 1) {
- line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 6);
- }
- if(h > 0) {
- line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]);
- }
- } else {
- nBits = GBW - w;
- if(h > 1) {
- line1 <<= 8;
- }
- if(h > 0) {
- line2 <<= 8;
- }
- }
- cVal = 0;
- for(k = 0; k < nBits; k++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0800)
- | ((line2 >> (7 - k)) & 0x0010);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- FX_DWORD height = GBH & 0x7fffffff;
- for(FX_DWORD h = 0; h < height; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- if(h > 1) {
- pLine1 = pLine - nStride2;
- pLine2 = pLine - nStride;
- line1 = (*pLine1++) << 6;
- line2 = *pLine2++;
- CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0));
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 6);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line1 >> k) & 0x0800)
- | ((line2 >> k) & 0x0010));
- }
- pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0800)
- | ((line2 >> (7 - k)) & 0x0010));
- }
- pLine[nLineBytes] = cVal;
- } else {
- pLine2 = pLine - nStride;
- line2 = (h & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 & 0x07f0);
- for(cc = 0; cc < nLineBytes; cc++) {
- if(h & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line2 >> k) & 0x0010));
- }
- pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | (((line2 >> (7 - k))) & 0x0010));
- }
- pLine[nLineBytes] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(2, h - 2);
- line1 |= GBREG->getPixel(1, h - 2) << 1;
- line1 |= GBREG->getPixel(0, h - 2) << 2;
- line2 = GBREG->getPixel(3, h - 1);
- line2 |= GBREG->getPixel(2, h - 1) << 1;
- line2 |= GBREG->getPixel(1, h - 1) << 2;
- line2 |= GBREG->getPixel(0, h - 1) << 3;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 9;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x3f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, cVal;
- FX_INTPTR nStride, nStride2;
- FX_INT32 nBits, k;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = (h > 1) ? pLine[-nStride2] << 4 : 0;
- line2 = (h > 0) ? pLine[-nStride] : 0;
- CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8);
- for(FX_DWORD w = 0; w < GBW; w += 8) {
- if(w + 8 < GBW) {
- nBits = 8;
- if(h > 1) {
- line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 4);
- }
- if(h > 0) {
- line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]);
- }
- } else {
- nBits = GBW - w;
- if(h > 1) {
- line1 <<= 8;
- }
- if(h > 0) {
- line2 <<= 8;
- }
- }
- cVal = 0;
- for(k = 0; k < nBits; k++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0200)
- | ((line2 >> (8 - k)) & 0x0008);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- if(h > 1) {
- pLine1 = pLine - nStride2;
- pLine2 = pLine - nStride;
- line1 = (*pLine1++) << 4;
- line2 = *pLine2++;
- CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8);
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 4);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line1 >> k) & 0x0200)
- | ((line2 >> (k + 1)) & 0x0008);
- }
- pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0200)
- | ((line2 >> (8 - k)) & 0x0008);
- }
- pLine[nLineBytes] = cVal;
- } else {
- pLine2 = pLine - nStride;
- line2 = (h & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 >> 1) & 0x01f8;
- for(cc = 0; cc < nLineBytes; cc++) {
- if(h & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line2 >> (k + 1)) & 0x0008);
- }
- pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line2 >> (8 - k)) & 0x0008);
- }
- pLine[nLineBytes] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(2, h - 2);
- line1 |= GBREG->getPixel(1, h - 2) << 1;
- line1 |= GBREG->getPixel(0, h - 2) << 2;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= line2 << 2;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, cVal;
- FX_INTPTR nStride, nStride2;
- FX_INT32 nBits, k;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = (h > 1) ? pLine[-nStride2] << 1 : 0;
- line2 = (h > 0) ? pLine[-nStride] : 0;
- CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c);
- for(FX_DWORD w = 0; w < GBW; w += 8) {
- if(w + 8 < GBW) {
- nBits = 8;
- if(h > 1) {
- line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 1);
- }
- if(h > 0) {
- line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]);
- }
- } else {
- nBits = GBW - w;
- if(h > 1) {
- line1 <<= 8;
- }
- if(h > 0) {
- line2 <<= 8;
- }
- }
- cVal = 0;
- for(k = 0; k < nBits; k++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0080)
- | ((line2 >> (10 - k)) & 0x0004);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- FX_BYTE *pLine, *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- if(h > 1) {
- pLine1 = pLine - nStride2;
- pLine2 = pLine - nStride;
- line1 = (*pLine1++) << 1;
- line2 = *pLine2++;
- CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c);
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 1);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line1 >> k) & 0x0080)
- | ((line2 >> (k + 3)) & 0x0004);
- }
- pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0080)
- | ((line2 >> (10 - k)) & 0x0004);
- }
- pLine[nLineBytes] = cVal;
- } else {
- pLine2 = pLine - nStride;
- line2 = (h & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 >> 3) & 0x007c;
- for(cc = 0; cc < nLineBytes; cc++) {
- if(h & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line2 >> (k + 3)) & 0x0004);
- }
- pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | (((line2 >> (10 - k))) & 0x0004);
- }
- pLine[nLineBytes] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(1, h - 1);
- line2 |= GBREG->getPixel(0, h - 1) << 1;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(2, h - 1);
- line1 |= GBREG->getPixel(1, h - 1) << 1;
- line1 |= GBREG->getPixel(0, h - 1) << 2;
- line2 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= line1 << 4;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1;
- FX_BYTE *pLine, cVal;
- FX_INTPTR nStride, nStride2;
- FX_INT32 nBits, k;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nStride2 = nStride << 1;
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = (h > 0) ? pLine[-nStride] : 0;
- CONTEXT = (line1 >> 1) & 0x03f0;
- for(FX_DWORD w = 0; w < GBW; w += 8) {
- if(w + 8 < GBW) {
- nBits = 8;
- if(h > 0) {
- line1 = (line1 << 8) | (pLine[-nStride + (w >> 3) + 1]);
- }
- } else {
- nBits = GBW - w;
- if(h > 0) {
- line1 <<= 8;
- }
- }
- cVal = 0;
- for(k = 0; k < nBits; k++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal
- | ((line1 >> (8 - k)) & 0x0010);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1;
- FX_BYTE *pLine, *pLine1, cVal;
- FX_INT32 nStride, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- if (GBREG->m_pData == NULL) {
- delete GBREG;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- if(h > 0) {
- pLine1 = pLine - nStride;
- line1 = *pLine1++;
- CONTEXT = (line1 >> 1) & 0x03f0;
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | (*pLine1++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal
- | ((line1 >> (k + 1)) & 0x0010);
- }
- pLine[cc] = cVal;
- }
- line1 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal
- | ((line1 >> (8 - k)) & 0x0010);
- }
- pLine[nLineBytes] = cVal;
- } else {
- CONTEXT = 0;
- for(cc = 0; cc < nLineBytes; cc++) {
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal;
- }
- pLine[cc] = cVal;
- }
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal;
- }
- pLine[nLineBytes] = cVal;
- }
- }
- pLine += nStride;
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- line1 = GBREG->getPixel(1, h - 1);
- line1 |= GBREG->getPixel(0, h - 1) << 1;
- line2 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line1 << 5;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- switch(GBTEMPLATE) {
- case 0: {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- }
- break;
- case 1: {
- line1 = GBREG->getPixel(2, h - 2);
- line1 |= GBREG->getPixel(1, h - 2) << 1;
- line1 |= GBREG->getPixel(0, h - 2) << 2;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- }
- break;
- case 2: {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(1, h - 1);
- line2 |= GBREG->getPixel(0, h - 1) << 1;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- }
- break;
- case 3: {
- line1 = GBREG->getPixel(1, h - 1);
- line1 |= GBREG->getPixel(0, h - 1) << 1;
- line2 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line1 << 5;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- }
- break;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT = 0;
- CJBig2_Image *GBREG;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- for(FX_DWORD w = 0; w < GBW; w++) {
- GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1));
- }
- } else {
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- GBREG->setPixel(w, h, 0);
- } else {
- CONTEXT = 0;
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, h) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 13;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15;
- break;
- case 1:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 11;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12;
- break;
- case 2:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 4;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 8;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9;
- break;
- case 3:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, h) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- GBREG->setPixel(w, h, bVal);
- }
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image *CJBig2_GRDProc::decode_MMR(CJBig2_BitStream *pStream)
-{
- int bitpos, i;
- CJBig2_Image *pImage;
- JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH));
- if (pImage->m_pData == NULL) {
- delete pImage;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- return NULL;
- }
- bitpos = (int)pStream->getBitPos();
- _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, pImage->m_pData, GBW, GBH, pImage->m_nStride);
- pStream->setBitPos(bitpos);
- for(i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) {
- pImage->m_pData[i] = ~pImage->m_pData[i];
- }
- return pImage;
-}
-CJBig2_Image *CJBig2_GRRDProc::decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- if (GRW == 0 || GRH == 0) {
- CJBig2_Image* pImage;
- JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH));
- return pImage;
- }
- if(GRTEMPLATE == 0) {
- if((GRAT[0] == (signed char) - 1) && (GRAT[1] == (signed char) - 1)
- && (GRAT[2] == (signed char) - 1) && (GRAT[3] == (signed char) - 1)
- && (GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) {
- return decode_Template0_opt(pArithDecoder, grContext);
- } else {
- return decode_Template0_unopt(pArithDecoder, grContext);
- }
- } else {
- if((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) {
- return decode_Template1_opt(pArithDecoder, grContext);
- } else {
- return decode_Template1_unopt(pArithDecoder, grContext);
- }
- }
-}
-CJBig2_Image *CJBig2_GRRDProc::decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GRREG;
- FX_DWORD line1, line2, line3, line4, line5;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- GRREG->fill(0);
- for(FX_DWORD h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0010]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 0) {
- line1 = GRREG->getPixel(1, h - 1);
- line1 |= GRREG->getPixel(0, h - 1) << 1;
- line2 = 0;
- line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1);
- line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1;
- line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY);
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1;
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2;
- line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2;
- for(FX_DWORD w = 0; w < GRW; w++) {
- CONTEXT = line5;
- CONTEXT |= line4 << 3;
- CONTEXT |= line3 << 6;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8;
- CONTEXT |= line2 << 9;
- CONTEXT |= line1 << 10;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03;
- line2 = ((line2 << 1) | bVal) & 0x01;
- line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03;
- line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07;
- line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07;
- }
- } else {
- line1 = GRREG->getPixel(1, h - 1);
- line1 |= GRREG->getPixel(0, h - 1) << 1;
- line2 = 0;
- line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1);
- line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1;
- line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY);
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1;
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2;
- line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2;
- for(FX_DWORD w = 0; w < GRW; w++) {
- bVal = GRREFERENCE->getPixel(w, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + 1, h))
- && (bVal == GRREFERENCE->getPixel(w - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) {
- CONTEXT = line5;
- CONTEXT |= line4 << 3;
- CONTEXT |= line3 << 6;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8;
- CONTEXT |= line2 << 9;
- CONTEXT |= line1 << 10;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- GRREG->setPixel(w, h, bVal);
- line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03;
- line2 = ((line2 << 1) | bVal) & 0x01;
- line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03;
- line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07;
- line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07;
- }
- }
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_GRRDProc::decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GRREG;
- FX_DWORD line1, line1_r, line2_r, line3_r;
- FX_BYTE *pLine, *pLineR, cVal;
- FX_INTPTR nStride, nStrideR, nOffset;
- FX_INT32 k, nBits;
- FX_INT32 GRWR, GRHR;
- FX_INT32 GRW, GRH;
- GRW = (FX_INT32)CJBig2_GRRDProc::GRW;
- GRH = (FX_INT32)CJBig2_GRRDProc::GRH;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- if (GRREG->m_pData == NULL) {
- delete GRREG;
- m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH);
- return NULL;
- }
- pLine = GRREG->m_pData;
- pLineR = GRREFERENCE->m_pData;
- nStride = GRREG->m_nStride;
- nStrideR = GRREFERENCE->m_nStride;
- GRWR = (FX_INT32)GRREFERENCE->m_nWidth;
- GRHR = (FX_INT32)GRREFERENCE->m_nHeight;
- if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
- GRREFERENCEDY = 0;
- }
- nOffset = -GRREFERENCEDY * nStrideR;
- for (FX_INT32 h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0010]);
- LTP = LTP ^ SLTP;
- }
- line1 = (h > 0) ? pLine[-nStride] << 4 : 0;
- FX_INT32 reference_h = h - GRREFERENCEDY;
- FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
- FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
- FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
- line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
- line2_r = line2_r_ok ? pLineR[nOffset] : 0;
- line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
- if(LTP == 0) {
- CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0)
- | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
- for (FX_INT32 w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
- if (h > GRHR + GRREFERENCEDY + 1) {
- line1_r = 0;
- line2_r = 0;
- line3_r = 0;
- } else {
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
- ((line1 >> (7 - k)) & 0x0400) |
- ((line1_r >> (7 - k)) & 0x0040) |
- ((line2_r >> (10 - k)) & 0x0008) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
- } else {
- CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0)
- | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
- for (FX_INT32 w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = GRREFERENCE->getPixel(w + k, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
- ((line1 >> (7 - k)) & 0x0400) |
- ((line1_r >> (7 - k)) & 0x0040) |
- ((line2_r >> (10 - k)) & 0x0008) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- if (h < GRHR + GRREFERENCEDY) {
- pLineR += nStrideR;
- }
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_GRRDProc::decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GRREG;
- FX_DWORD line1, line2, line3, line4, line5;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- GRREG->fill(0);
- for(FX_DWORD h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0008]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 0) {
- line1 = GRREG->getPixel(1, h - 1);
- line1 |= GRREG->getPixel(0, h - 1) << 1;
- line1 |= GRREG->getPixel(-1, h - 1) << 2;
- line2 = 0;
- line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1);
- line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY);
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1;
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2;
- line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- for(FX_DWORD w = 0; w < GRW; w++) {
- CONTEXT = line5;
- CONTEXT |= line4 << 2;
- CONTEXT |= line3 << 5;
- CONTEXT |= line2 << 6;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07;
- line2 = ((line2 << 1) | bVal) & 0x01;
- line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01;
- line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07;
- line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03;
- }
- } else {
- line1 = GRREG->getPixel(1, h - 1);
- line1 |= GRREG->getPixel(0, h - 1) << 1;
- line1 |= GRREG->getPixel(-1, h - 1) << 2;
- line2 = 0;
- line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1);
- line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY);
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1;
- line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2;
- line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- for(FX_DWORD w = 0; w < GRW; w++) {
- bVal = GRREFERENCE->getPixel(w, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + 1, h))
- && (bVal == GRREFERENCE->getPixel(w - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) {
- CONTEXT = line5;
- CONTEXT |= line4 << 2;
- CONTEXT |= line3 << 5;
- CONTEXT |= line2 << 6;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- GRREG->setPixel(w, h, bVal);
- line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07;
- line2 = ((line2 << 1) | bVal) & 0x01;
- line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01;
- line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07;
- line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03;
- }
- }
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_GRRDProc::decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GRREG;
- FX_DWORD line1, line1_r, line2_r, line3_r;
- FX_BYTE *pLine, *pLineR, cVal;
- FX_INTPTR nStride, nStrideR, nOffset;
- FX_INT32 k, nBits;
- FX_INT32 GRWR, GRHR;
- FX_INT32 GRW, GRH;
- GRW = (FX_INT32)CJBig2_GRRDProc::GRW;
- GRH = (FX_INT32)CJBig2_GRRDProc::GRH;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- if (GRREG->m_pData == NULL) {
- delete GRREG;
- m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH);
- return NULL;
- }
- pLine = GRREG->m_pData;
- pLineR = GRREFERENCE->m_pData;
- nStride = GRREG->m_nStride;
- nStrideR = GRREFERENCE->m_nStride;
- GRWR = (FX_INT32)GRREFERENCE->m_nWidth;
- GRHR = (FX_INT32)GRREFERENCE->m_nHeight;
- if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
- GRREFERENCEDY = 0;
- }
- nOffset = -GRREFERENCEDY * nStrideR;
- for (FX_INT32 h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0008]);
- LTP = LTP ^ SLTP;
- }
- line1 = (h > 0) ? pLine[-nStride] << 1 : 0;
- FX_INT32 reference_h = h - GRREFERENCEDY;
- FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
- FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
- FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
- line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
- line2_r = line2_r_ok ? pLineR[nOffset] : 0;
- line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
- if(LTP == 0) {
- CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020)
- | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
- for (FX_INT32 w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) |
- ((line1 >> (7 - k)) & 0x0080) |
- ((line1_r >> (9 - k)) & 0x0020) |
- ((line2_r >> (11 - k)) & 0x0004) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
- } else {
- CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020)
- | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
- for (FX_INT32 w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = GRREFERENCE->getPixel(w + k, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) |
- ((line1 >> (7 - k)) & 0x0080) |
- ((line1_r >> (9 - k)) & 0x0020) |
- ((line2_r >> (11 - k)) & 0x0004) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
- }
- pLine += nStride;
- if (h < GRHR + GRREFERENCEDY) {
- pLineR += nStrideR;
- }
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- FX_BOOL LTP, SLTP, bVal;
- FX_BOOL TPGRPIX, TPGRVAL;
- FX_DWORD CONTEXT;
- CJBig2_Image *GRREG;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- GRREG->fill(0);
- for(FX_DWORD h = 0; h < GRH; h++) {
- if(TPGRON) {
- switch(GRTEMPLATE) {
- case 0:
- CONTEXT = 0x0010;
- break;
- case 1:
- CONTEXT = 0x0008;
- break;
- }
- SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 0) {
- for(FX_DWORD w = 0; w < GRW; w++) {
- CONTEXT = 0;
- switch(GRTEMPLATE) {
- case 0:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 9;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 11;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- break;
- case 1:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 6;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- }
- } else {
- for(FX_DWORD w = 0; w < GRW; w++) {
- bVal = GRREFERENCE->getPixel(w, h);
- if(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + 1, h))
- && (bVal == GRREFERENCE->getPixel(w - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) {
- TPGRPIX = 1;
- TPGRVAL = bVal;
- } else {
- TPGRPIX = 0;
- }
- if(TPGRPIX) {
- GRREG->setPixel(w, h, TPGRVAL);
- } else {
- CONTEXT = 0;
- switch(GRTEMPLATE) {
- case 0:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 9;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 11;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- break;
- case 1:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 6;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- }
- }
- }
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext)
-{
- FX_INT32 STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- FX_INT32 DT, DFS, CURS;
- FX_BYTE CURT;
- FX_INT32 SI, TI;
- FX_DWORD IDI;
- CJBig2_Image *IBI;
- FX_DWORD WI, HI;
- FX_INT32 IDS;
- FX_BOOL RI;
- FX_INT32 RDWI, RDHI, RDXI, RDYI;
- CJBig2_Image *IBOI;
- FX_DWORD WOI, HOI;
- CJBig2_Image *SBREG;
- FX_BOOL bFirst;
- FX_DWORD nTmp;
- FX_INT32 nVal, nBits;
- CJBig2_HuffmanDecoder *pHuffmanDecoder;
- CJBig2_GRRDProc *pGRRD;
- CJBig2_ArithDecoder *pArithDecoder;
- JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream));
- JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH));
- SBREG->fill(SBDEFPIXEL);
- if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- STRIPT *= SBSTRIPS;
- STRIPT = -STRIPT;
- FIRSTS = 0;
- NINSTANCES = 0;
- while(NINSTANCES < SBNUMINSTANCES) {
- if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- DT *= SBSTRIPS;
- STRIPT = STRIPT + DT;
- bFirst = TRUE;
- for(;;) {
- if(bFirst) {
- if(pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- FIRSTS = FIRSTS + DFS;
- CURS = FIRSTS;
- bFirst = FALSE;
- } else {
- nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS);
- if(nVal == JBIG2_OOB) {
- break;
- } else if(nVal != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- } else {
- CURS = CURS + IDS + SBDSOFFSET;
- }
- }
- if(SBSTRIPS == 1) {
- CURT = 0;
- } else {
- nTmp = 1;
- while((FX_DWORD)(1 << nTmp) < SBSTRIPS) {
- nTmp ++;
- }
- if(pStream->readNBits(nTmp, &nVal) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- CURT = nVal;
- }
- TI = STRIPT + CURT;
- nVal = 0;
- nBits = 0;
- for(;;) {
- if(pStream->read1Bit(&nTmp) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- nVal = (nVal << 1) | nTmp;
- nBits ++;
- for(IDI = 0; IDI < SBNUMSYMS; IDI++) {
- if((nBits == SBSYMCODES[IDI].codelen) && (nVal == SBSYMCODES[IDI].code)) {
- break;
- }
- }
- if(IDI < SBNUMSYMS) {
- break;
- }
- }
- if(SBREFINE == 0) {
- RI = 0;
- } else {
- if(pStream->read1Bit(&RI) != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- }
- if(RI == 0) {
- IBI = SBSYMS[IDI];
- } else {
- if((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): too short.");
- goto failed;
- }
- pStream->alignByte();
- nTmp = pStream->getOffset();
- IBOI = SBSYMS[IDI];
- if (!IBOI) {
- goto failed;
- }
- WOI = IBOI->m_nWidth;
- HOI = IBOI->m_nHeight;
- if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
- m_pModule->JBig2_Error("text region decoding procedure (huffman): Invalid RDWI or RDHI value.");
- goto failed;
- }
- JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
- pGRRD->GRW = WOI + RDWI;
- pGRRD->GRH = HOI + RDHI;
- pGRRD->GRTEMPLATE = SBRTEMPLATE;
- pGRRD->GRREFERENCE = IBOI;
- pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI;
- pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SBRAT[0];
- pGRRD->GRAT[1] = SBRAT[1];
- pGRRD->GRAT[2] = SBRAT[2];
- pGRRD->GRAT[3] = SBRAT[3];
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream));
- IBI = pGRRD->decode(pArithDecoder, grContext);
- if(IBI == NULL) {
- delete pGRRD;
- delete pArithDecoder;
- goto failed;
- }
- delete pArithDecoder;
- pStream->alignByte();
- pStream->offset(2);
- if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) {
- delete IBI;
- delete pGRRD;
- m_pModule->JBig2_Error("text region decoding procedure (huffman):"
- "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE.");
- goto failed;
- }
- delete pGRRD;
- }
- if (!IBI) {
- continue;
- }
- WI = IBI->m_nWidth;
- HI = IBI->m_nHeight;
- if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + WI - 1;
- } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + HI - 1;
- }
- SI = CURS;
- if(TRANSPOSED == 0) {
- switch(REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(SI, TI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP);
- break;
- }
- } else {
- switch(REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(TI, SI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP);
- break;
- }
- }
- if(RI != 0) {
- delete IBI;
- }
- if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) {
- CURS = CURS + WI - 1;
- } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT)
- || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) {
- CURS = CURS + HI - 1;
- }
- NINSTANCES = NINSTANCES + 1;
- }
- }
- delete pHuffmanDecoder;
- return SBREG;
-failed:
- delete pHuffmanDecoder;
- delete SBREG;
- return NULL;
-}
-CJBig2_Image *CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext,
- JBig2IntDecoderState *pIDS)
-{
- FX_INT32 STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- FX_INT32 DT, DFS, CURS;
- FX_INT32 CURT;
- FX_INT32 SI, TI;
- FX_DWORD IDI;
- CJBig2_Image *IBI;
- FX_DWORD WI, HI;
- FX_INT32 IDS;
- FX_BOOL RI;
- FX_INT32 RDWI, RDHI, RDXI, RDYI;
- CJBig2_Image *IBOI;
- FX_DWORD WOI, HOI;
- CJBig2_Image *SBREG;
- FX_BOOL bFirst;
- FX_INT32 nRet, nVal;
- FX_INT32 bRetained;
- CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, *IARDX, *IARDY;
- CJBig2_ArithIaidDecoder *IAID;
- CJBig2_GRRDProc *pGRRD;
- if(pIDS) {
- IADT = pIDS->IADT;
- IAFS = pIDS->IAFS;
- IADS = pIDS->IADS;
- IAIT = pIDS->IAIT;
- IARI = pIDS->IARI;
- IARDW = pIDS->IARDW;
- IARDH = pIDS->IARDH;
- IARDX = pIDS->IARDX;
- IARDY = pIDS->IARDY;
- IAID = pIDS->IAID;
- bRetained = TRUE;
- } else {
- JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAID , CJBig2_ArithIaidDecoder(SBSYMCODELEN));
- bRetained = FALSE;
- }
- JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH));
- SBREG->fill(SBDEFPIXEL);
- if(IADT->decode(pArithDecoder, &STRIPT) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- STRIPT *= SBSTRIPS;
- STRIPT = -STRIPT;
- FIRSTS = 0;
- NINSTANCES = 0;
- while(NINSTANCES < SBNUMINSTANCES) {
- if(IADT->decode(pArithDecoder, &DT) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- DT *= SBSTRIPS;
- STRIPT = STRIPT + DT;
- bFirst = TRUE;
- for(;;) {
- if(bFirst) {
- if(IAFS->decode(pArithDecoder, &DFS) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- FIRSTS = FIRSTS + DFS;
- CURS = FIRSTS;
- bFirst = FALSE;
- } else {
- nRet = IADS->decode(pArithDecoder, &IDS);
- if(nRet == JBIG2_OOB) {
- break;
- } else if(nRet != 0) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- } else {
- CURS = CURS + IDS + SBDSOFFSET;
- }
- }
- if (NINSTANCES >= SBNUMINSTANCES) {
- break;
- }
- if(SBSTRIPS == 1) {
- CURT = 0;
- } else {
- if(IAIT->decode(pArithDecoder, &nVal) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- CURT = nVal;
- }
- TI = STRIPT + CURT;
- if(IAID->decode(pArithDecoder, &nVal) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- IDI = nVal;
- if(IDI >= SBNUMSYMS) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): symbol id out of range.(%d/%d)",
- IDI, SBNUMSYMS);
- goto failed;
- }
- if(SBREFINE == 0) {
- RI = 0;
- } else {
- if(IARI->decode(pArithDecoder, &RI) == -1) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- }
- if (!SBSYMS[IDI]) {
- goto failed;
- }
- if(RI == 0) {
- IBI = SBSYMS[IDI];
- } else {
- if((IARDW->decode(pArithDecoder, &RDWI) == -1)
- || (IARDH->decode(pArithDecoder, &RDHI) == -1)
- || (IARDX->decode(pArithDecoder, &RDXI) == -1)
- || (IARDY->decode(pArithDecoder, &RDYI) == -1)) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): too short.");
- goto failed;
- }
- IBOI = SBSYMS[IDI];
- WOI = IBOI->m_nWidth;
- HOI = IBOI->m_nHeight;
- if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
- m_pModule->JBig2_Error("text region decoding procedure (arith): Invalid RDWI or RDHI value.");
- goto failed;
- }
- JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
- pGRRD->GRW = WOI + RDWI;
- pGRRD->GRH = HOI + RDHI;
- pGRRD->GRTEMPLATE = SBRTEMPLATE;
- pGRRD->GRREFERENCE = IBOI;
- pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI;
- pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SBRAT[0];
- pGRRD->GRAT[1] = SBRAT[1];
- pGRRD->GRAT[2] = SBRAT[2];
- pGRRD->GRAT[3] = SBRAT[3];
- IBI = pGRRD->decode(pArithDecoder, grContext);
- if(IBI == NULL) {
- delete pGRRD;
- goto failed;
- }
- delete pGRRD;
- }
- WI = IBI->m_nWidth;
- HI = IBI->m_nHeight;
- if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + WI - 1;
- } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS = CURS + HI - 1;
- }
- SI = CURS;
- if(TRANSPOSED == 0) {
- switch(REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(SI, TI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP);
- break;
- }
- } else {
- switch(REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(TI, SI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP);
- break;
- }
- }
- if(RI != 0) {
- delete IBI;
- }
- if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT)
- || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) {
- CURS = CURS + WI - 1;
- } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT)
- || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) {
- CURS = CURS + HI - 1;
- }
- NINSTANCES = NINSTANCES + 1;
- }
- }
- if(bRetained == FALSE) {
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- delete IARDX;
- delete IARDY;
- delete IAID;
- }
- return SBREG;
-failed:
- if(bRetained == FALSE) {
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- delete IARDX;
- delete IARDY;
- delete IAID;
- }
- delete SBREG;
- return NULL;
-}
-CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext)
-{
- CJBig2_Image **SDNEWSYMS;
- FX_DWORD HCHEIGHT, NSYMSDECODED;
- FX_INT32 HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM;
- FX_INT32 DW;
- CJBig2_Image *BS;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL *EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- FX_INT32 nVal;
- FX_DWORD nTmp;
- FX_BOOL SBHUFF;
- FX_DWORD SBNUMSYMS;
- FX_BYTE SBSYMCODELEN;
- FX_DWORD IDI;
- FX_INT32 RDXI, RDYI;
- CJBig2_Image **SBSYMS;
- CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY,
- *SBHUFFRSIZE;
- CJBig2_GRRDProc *pGRRD;
- CJBig2_GRDProc *pGRD;
- CJBig2_ArithIntDecoder *IADH, *IADW, *IAAI, *IARDX, *IARDY, *IAEX,
- *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH;
- CJBig2_ArithIaidDecoder *IAID;
- CJBig2_SymbolDict *pDict;
- JBIG2_ALLOC(IADH, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IADW, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAAI, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAEX, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder());
- JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder());
- nTmp = 0;
- while((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) {
- nTmp ++;
- }
- JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((FX_BYTE)nTmp));
- SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*));
- FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*));
- HCHEIGHT = 0;
- NSYMSDECODED = 0;
- while(NSYMSDECODED < SDNUMNEWSYMS) {
- BS = NULL;
- if(IADH->decode(pArithDecoder, &HCDH) == -1) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- }
- HCHEIGHT = HCHEIGHT + HCDH;
- if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid HCHEIGHT value.");
- goto failed;
- }
- SYMWIDTH = 0;
- TOTWIDTH = 0;
- HCFIRSTSYM = NSYMSDECODED;
- for(;;) {
- nVal = IADW->decode(pArithDecoder, &DW);
- if(nVal == JBIG2_OOB) {
- break;
- } else if(nVal != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- } else {
- if (NSYMSDECODED >= SDNUMNEWSYMS) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): NSYMSDECODED >= SDNUMNEWSYMS.");
- goto failed;
- }
- SYMWIDTH = SYMWIDTH + DW;
- if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid SYMWIDTH value.");
- goto failed;
- } else if (HCHEIGHT == 0 || SYMWIDTH == 0) {
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- SDNEWSYMS[NSYMSDECODED] = NULL;
- NSYMSDECODED = NSYMSDECODED + 1;
- continue;
- }
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- }
- if(SDREFAGG == 0) {
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = 0;
- pGRD->GBW = SYMWIDTH;
- pGRD->GBH = HCHEIGHT;
- pGRD->GBTEMPLATE = SDTEMPLATE;
- pGRD->TPGDON = 0;
- pGRD->USESKIP = 0;
- pGRD->GBAT[0] = SDAT[0];
- pGRD->GBAT[1] = SDAT[1];
- pGRD->GBAT[2] = SDAT[2];
- pGRD->GBAT[3] = SDAT[3];
- pGRD->GBAT[4] = SDAT[4];
- pGRD->GBAT[5] = SDAT[5];
- pGRD->GBAT[6] = SDAT[6];
- pGRD->GBAT[7] = SDAT[7];
- BS = pGRD->decode_Arith(pArithDecoder, gbContext);
- if(BS == NULL) {
- delete pGRD;
- goto failed;
- }
- delete pGRD;
- } else {
- if(IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- }
- if(REFAGGNINST > 1) {
- CJBig2_TRDProc *pDecoder;
- JBIG2_ALLOC(pDecoder, CJBig2_TRDProc());
- pDecoder->SBHUFF = SDHUFF;
- pDecoder->SBREFINE = 1;
- pDecoder->SBW = SYMWIDTH;
- pDecoder->SBH = HCHEIGHT;
- pDecoder->SBNUMINSTANCES = REFAGGNINST;
- pDecoder->SBSTRIPS = 1;
- pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- SBNUMSYMS = pDecoder->SBNUMSYMS;
- nTmp = 0;
- while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp ++;
- }
- SBSYMCODELEN = (FX_BYTE)nTmp;
- pDecoder->SBSYMCODELEN = SBSYMCODELEN;
- SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*));
- pDecoder->SBSYMS = SBSYMS;
- pDecoder->SBDEFPIXEL = 0;
- pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR;
- pDecoder->TRANSPOSED = 0;
- pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
- pDecoder->SBDSOFFSET = 0;
- JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6,
- sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6));
- JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8,
- sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8));
- JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11,
- sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11));
- JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- pDecoder->SBHUFFFS = SBHUFFFS;
- pDecoder->SBHUFFDS = SBHUFFDS;
- pDecoder->SBHUFFDT = SBHUFFDT;
- pDecoder->SBHUFFRDW = SBHUFFRDW;
- pDecoder->SBHUFFRDH = SBHUFFRDH;
- pDecoder->SBHUFFRDX = SBHUFFRDX;
- pDecoder->SBHUFFRDY = SBHUFFRDY;
- pDecoder->SBHUFFRSIZE = SBHUFFRSIZE;
- pDecoder->SBRTEMPLATE = SDRTEMPLATE;
- pDecoder->SBRAT[0] = SDRAT[0];
- pDecoder->SBRAT[1] = SDRAT[1];
- pDecoder->SBRAT[2] = SDRAT[2];
- pDecoder->SBRAT[3] = SDRAT[3];
- JBig2IntDecoderState ids;
- ids.IADT = IADT;
- ids.IAFS = IAFS;
- ids.IADS = IADS;
- ids.IAIT = IAIT;
- ids.IARI = IARI;
- ids.IARDW = IARDW;
- ids.IARDH = IARDH;
- ids.IARDX = IARDX;
- ids.IARDY = IARDY;
- ids.IAID = IAID;
- BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids);
- if(BS == NULL) {
- m_pModule->JBig2_Free(SBSYMS);
- delete SBHUFFFS;
- delete SBHUFFDS;
- delete SBHUFFDT;
- delete SBHUFFRDW;
- delete SBHUFFRDH;
- delete SBHUFFRDX;
- delete SBHUFFRDY;
- delete SBHUFFRSIZE;
- delete pDecoder;
- goto failed;
- }
- m_pModule->JBig2_Free(SBSYMS);
- delete SBHUFFFS;
- delete SBHUFFDS;
- delete SBHUFFDT;
- delete SBHUFFRDW;
- delete SBHUFFRDH;
- delete SBHUFFRDX;
- delete SBHUFFRDY;
- delete SBHUFFRSIZE;
- delete pDecoder;
- } else if(REFAGGNINST == 1) {
- SBHUFF = SDHUFF;
- SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- if(IAID->decode(pArithDecoder, (int*)&IDI) == -1) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- }
- if((IARDX->decode(pArithDecoder, &RDXI) == -1)
- || (IARDY->decode(pArithDecoder, &RDYI) == -1)) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- }
- if (IDI >= SBNUMSYMS) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith):"
- " refinement references unknown symbol %d", IDI);
- goto failed;
- }
- SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*));
- if (!SBSYMS[IDI]) {
- m_pModule->JBig2_Free(SBSYMS);
- goto failed;
- }
- JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
- pGRRD->GRW = SYMWIDTH;
- pGRRD->GRH = HCHEIGHT;
- pGRRD->GRTEMPLATE = SDRTEMPLATE;
- pGRRD->GRREFERENCE = SBSYMS[IDI];
- pGRRD->GRREFERENCEDX = RDXI;
- pGRRD->GRREFERENCEDY = RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SDRAT[0];
- pGRRD->GRAT[1] = SDRAT[1];
- pGRRD->GRAT[2] = SDRAT[2];
- pGRRD->GRAT[3] = SDRAT[3];
- BS = pGRRD->decode(pArithDecoder, grContext);
- if(BS == NULL) {
- m_pModule->JBig2_Free(SBSYMS);
- delete pGRRD;
- goto failed;
- }
- m_pModule->JBig2_Free(SBSYMS);
- delete pGRRD;
- }
- }
- SDNEWSYMS[NSYMSDECODED] = BS;
- BS = NULL;
- NSYMSDECODED = NSYMSDECODED + 1;
- }
- }
- EXINDEX = 0;
- CUREXFLAG = 0;
- EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS));
- while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
- if(IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) {
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short.");
- goto failed;
- }
- if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value.");
- goto failed;
- }
- if(EXRUNLENGTH != 0) {
- for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
- }
- EXINDEX = EXINDEX + EXRUNLENGTH;
- CUREXFLAG = !CUREXFLAG;
- }
- JBIG2_ALLOC(pDict, CJBig2_SymbolDict());
- pDict->SDNUMEXSYMS = SDNUMEXSYMS;
- pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS);
- I = J = 0;
- for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
- if(EXFLAGS[I] && J < SDNUMEXSYMS) {
- if(I < SDNUMINSYMS) {
- JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I]));
- } else {
- pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS];
- }
- J = J + 1;
- } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) {
- delete SDNEWSYMS[I - SDNUMINSYMS];
- }
- }
- if (J < SDNUMEXSYMS) {
- pDict->SDNUMEXSYMS = J;
- }
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Free(SDNEWSYMS);
- delete IADH;
- delete IADW;
- delete IAAI;
- delete IARDX;
- delete IARDY;
- delete IAEX;
- delete IAID;
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- return pDict;
-failed:
- for(I = 0; I < NSYMSDECODED; I++) {
- if (SDNEWSYMS[I]) {
- delete SDNEWSYMS[I];
- SDNEWSYMS[I] = NULL;
- }
- }
- m_pModule->JBig2_Free(SDNEWSYMS);
- delete IADH;
- delete IADW;
- delete IAAI;
- delete IARDX;
- delete IARDY;
- delete IAEX;
- delete IAID;
- delete IADT;
- delete IAFS;
- delete IADS;
- delete IAIT;
- delete IARI;
- delete IARDW;
- delete IARDH;
- return NULL;
-}
-CJBig2_SymbolDict *CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream *pStream,
- JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause)
-{
- CJBig2_Image **SDNEWSYMS;
- FX_DWORD *SDNEWSYMWIDTHS;
- FX_DWORD HCHEIGHT, NSYMSDECODED;
- FX_INT32 HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM;
- FX_INT32 DW;
- CJBig2_Image *BS, *BHC;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL *EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- FX_INT32 nVal, nBits;
- FX_DWORD nTmp;
- FX_BOOL SBHUFF;
- FX_DWORD SBNUMSYMS;
- FX_BYTE SBSYMCODELEN;
- JBig2HuffmanCode *SBSYMCODES;
- FX_DWORD IDI;
- FX_INT32 RDXI, RDYI;
- FX_DWORD BMSIZE;
- FX_DWORD stride;
- CJBig2_Image **SBSYMS;
- CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY,
- *SBHUFFRSIZE, *pTable;
- CJBig2_HuffmanDecoder *pHuffmanDecoder;
- CJBig2_GRRDProc *pGRRD;
- CJBig2_ArithDecoder *pArithDecoder;
- CJBig2_GRDProc *pGRD;
- CJBig2_SymbolDict *pDict;
- JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream));
- SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*));
- FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*));
- SDNEWSYMWIDTHS = NULL;
- BHC = NULL;
- if(SDREFAGG == 0) {
- SDNEWSYMWIDTHS = (FX_DWORD *)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD));
- FXSYS_memset32(SDNEWSYMWIDTHS, 0 , SDNUMNEWSYMS * sizeof(FX_DWORD));
- }
- HCHEIGHT = 0;
- NSYMSDECODED = 0;
- BS = NULL;
- while(NSYMSDECODED < SDNUMNEWSYMS) {
- if(pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- HCHEIGHT = HCHEIGHT + HCDH;
- if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid HCHEIGHT value.");
- goto failed;
- }
- SYMWIDTH = 0;
- TOTWIDTH = 0;
- HCFIRSTSYM = NSYMSDECODED;
- for(;;) {
- nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW);
- if(nVal == JBIG2_OOB) {
- break;
- } else if(nVal != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- } else {
- if (NSYMSDECODED >= SDNUMNEWSYMS) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): NSYMSDECODED >= SDNUMNEWSYMS.");
- goto failed;
- }
- SYMWIDTH = SYMWIDTH + DW;
- if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid SYMWIDTH value.");
- goto failed;
- } else if (HCHEIGHT == 0 || SYMWIDTH == 0) {
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- SDNEWSYMS[NSYMSDECODED] = NULL;
- NSYMSDECODED = NSYMSDECODED + 1;
- continue;
- }
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- }
- if(SDREFAGG == 1) {
- if(pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- BS = NULL;
- if(REFAGGNINST > 1) {
- CJBig2_TRDProc *pDecoder;
- JBIG2_ALLOC(pDecoder, CJBig2_TRDProc());
- pDecoder->SBHUFF = SDHUFF;
- pDecoder->SBREFINE = 1;
- pDecoder->SBW = SYMWIDTH;
- pDecoder->SBH = HCHEIGHT;
- pDecoder->SBNUMINSTANCES = REFAGGNINST;
- pDecoder->SBSTRIPS = 1;
- pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- SBNUMSYMS = pDecoder->SBNUMSYMS;
- SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode));
- nTmp = 1;
- while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp ++;
- }
- for(I = 0; I < SBNUMSYMS; I++) {
- SBSYMCODES[I].codelen = nTmp;
- SBSYMCODES[I].code = I;
- }
- pDecoder->SBSYMCODES = SBSYMCODES;
- SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*));
- pDecoder->SBSYMS = SBSYMS;
- pDecoder->SBDEFPIXEL = 0;
- pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR;
- pDecoder->TRANSPOSED = 0;
- pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
- pDecoder->SBDSOFFSET = 0;
- JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6,
- sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6));
- JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8,
- sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8));
- JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11,
- sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11));
- JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- pDecoder->SBHUFFFS = SBHUFFFS;
- pDecoder->SBHUFFDS = SBHUFFDS;
- pDecoder->SBHUFFDT = SBHUFFDT;
- pDecoder->SBHUFFRDW = SBHUFFRDW;
- pDecoder->SBHUFFRDH = SBHUFFRDH;
- pDecoder->SBHUFFRDX = SBHUFFRDX;
- pDecoder->SBHUFFRDY = SBHUFFRDY;
- pDecoder->SBHUFFRSIZE = SBHUFFRSIZE;
- pDecoder->SBRTEMPLATE = SDRTEMPLATE;
- pDecoder->SBRAT[0] = SDRAT[0];
- pDecoder->SBRAT[1] = SDRAT[1];
- pDecoder->SBRAT[2] = SDRAT[2];
- pDecoder->SBRAT[3] = SDRAT[3];
- BS = pDecoder->decode_Huffman(pStream, grContext);
- if(BS == NULL) {
- m_pModule->JBig2_Free(SBSYMCODES);
- m_pModule->JBig2_Free(SBSYMS);
- delete SBHUFFFS;
- delete SBHUFFDS;
- delete SBHUFFDT;
- delete SBHUFFRDW;
- delete SBHUFFRDH;
- delete SBHUFFRDX;
- delete SBHUFFRDY;
- delete SBHUFFRSIZE;
- delete pDecoder;
- goto failed;
- }
- m_pModule->JBig2_Free(SBSYMCODES);
- m_pModule->JBig2_Free(SBSYMS);
- delete SBHUFFFS;
- delete SBHUFFDS;
- delete SBHUFFDT;
- delete SBHUFFRDW;
- delete SBHUFFRDH;
- delete SBHUFFRDX;
- delete SBHUFFRDY;
- delete SBHUFFRSIZE;
- delete pDecoder;
- } else if(REFAGGNINST == 1) {
- SBHUFF = SDHUFF;
- SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS;
- nTmp = 1;
- while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp ++;
- }
- SBSYMCODELEN = (FX_BYTE)nTmp;
- SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode));
- for(I = 0; I < SBNUMSYMS; I++) {
- SBSYMCODES[I].codelen = SBSYMCODELEN;
- SBSYMCODES[I].code = I;
- }
- nVal = 0;
- nBits = 0;
- for(;;) {
- if(pStream->read1Bit(&nTmp) != 0) {
- m_pModule->JBig2_Free(SBSYMCODES);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- nVal = (nVal << 1) | nTmp;
- for(IDI = 0; IDI < SBNUMSYMS; IDI++) {
- if((nVal == SBSYMCODES[IDI].code)
- && (nBits == SBSYMCODES[IDI].codelen)) {
- break;
- }
- }
- if(IDI < SBNUMSYMS) {
- break;
- }
- }
- m_pModule->JBig2_Free(SBSYMCODES);
- JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15,
- sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15));
- JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- if((pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDYI) != 0)
- || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) {
- delete SBHUFFRDX;
- delete SBHUFFRSIZE;
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- delete SBHUFFRDX;
- delete SBHUFFRSIZE;
- pStream->alignByte();
- nTmp = pStream->getOffset();
- SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*));
- JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
- pGRRD->GRW = SYMWIDTH;
- pGRRD->GRH = HCHEIGHT;
- pGRRD->GRTEMPLATE = SDRTEMPLATE;
- pGRRD->GRREFERENCE = SBSYMS[IDI];
- pGRRD->GRREFERENCEDX = RDXI;
- pGRRD->GRREFERENCEDY = RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SDRAT[0];
- pGRRD->GRAT[1] = SDRAT[1];
- pGRRD->GRAT[2] = SDRAT[2];
- pGRRD->GRAT[3] = SDRAT[3];
- JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream));
- BS = pGRRD->decode(pArithDecoder, grContext);
- if(BS == NULL) {
- m_pModule->JBig2_Free(SBSYMS);
- delete pGRRD;
- delete pArithDecoder;
- goto failed;
- }
- pStream->alignByte();
- pStream->offset(2);
- if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) {
- delete BS;
- m_pModule->JBig2_Free(SBSYMS);
- delete pGRRD;
- delete pArithDecoder;
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman):"
- "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE.");
- goto failed;
- }
- m_pModule->JBig2_Free(SBSYMS);
- delete pGRRD;
- delete pArithDecoder;
- }
- SDNEWSYMS[NSYMSDECODED] = BS;
- }
- if(SDREFAGG == 0) {
- SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH;
- }
- NSYMSDECODED = NSYMSDECODED + 1;
- }
- if(SDREFAGG == 0) {
- if(pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (FX_INT32*)&BMSIZE) != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- pStream->alignByte();
- if(BMSIZE == 0) {
- stride = (TOTWIDTH + 7) >> 3;
- if(pStream->getByteLeft() >= stride * HCHEIGHT) {
- JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT));
- for(I = 0; I < HCHEIGHT; I ++) {
- JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, pStream->getPointer(), stride);
- pStream->offset(stride);
- }
- } else {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- } else {
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = 1;
- pGRD->GBW = TOTWIDTH;
- pGRD->GBH = HCHEIGHT;
- FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- delete pGRD;
- pStream->alignByte();
- }
- nTmp = 0;
- if (!BHC) {
- continue;
- }
- for(I = HCFIRSTSYM; I < NSYMSDECODED; I++) {
- SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT);
- nTmp += SDNEWSYMWIDTHS[I];
- }
- delete BHC;
- BHC = NULL;
- }
- }
- EXINDEX = 0;
- CUREXFLAG = 0;
- JBIG2_ALLOC(pTable, CJBig2_HuffmanTable(HuffmanTable_B1,
- sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1));
- EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS));
- while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
- if(pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) {
- delete pTable;
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
- }
- if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- delete pTable;
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value.");
- goto failed;
- }
- if(EXRUNLENGTH != 0) {
- for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
- }
- EXINDEX = EXINDEX + EXRUNLENGTH;
- CUREXFLAG = !CUREXFLAG;
- }
- delete pTable;
- JBIG2_ALLOC(pDict, CJBig2_SymbolDict());
- pDict->SDNUMEXSYMS = SDNUMEXSYMS;
- pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS);
- I = J = 0;
- for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
- if(EXFLAGS[I] && J < SDNUMEXSYMS) {
- if(I < SDNUMINSYMS) {
- JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I]));
- } else {
- pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS];
- }
- J = J + 1;
- } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) {
- delete SDNEWSYMS[I - SDNUMINSYMS];
- }
- }
- if (J < SDNUMEXSYMS) {
- pDict->SDNUMEXSYMS = J;
- }
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Free(SDNEWSYMS);
- if(SDREFAGG == 0) {
- m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
- }
- delete pHuffmanDecoder;
- return pDict;
-failed:
- for(I = 0; I < NSYMSDECODED; I++) {
- if (SDNEWSYMS[I]) {
- delete SDNEWSYMS[I];
- }
- }
- m_pModule->JBig2_Free(SDNEWSYMS);
- if(SDREFAGG == 0) {
- m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
- }
- delete pHuffmanDecoder;
- return NULL;
-}
-CJBig2_Image *CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_DWORD ng, mg;
- FX_INT32 x, y;
- CJBig2_Image *HSKIP;
- FX_DWORD HBPP;
- FX_DWORD *GI;
- CJBig2_Image *HTREG;
- CJBig2_GSIDProc *pGID;
- JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH));
- HTREG->fill(HDEFPIXEL);
- HSKIP = NULL;
- if(HENABLESKIP == 1) {
- JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH));
- for(mg = 0; mg < HGH; mg++) {
- for(ng = 0; ng < HGW; ng++) {
- x = (HGX + mg * HRY + ng * HRX) >> 8;
- y = (HGY + mg * HRX - ng * HRY) >> 8;
- if((x + HPW <= 0) | (x >= (FX_INT32)HBW)
- | (y + HPH <= 0) | (y >= (FX_INT32)HPH)) {
- HSKIP->setPixel(ng, mg, 1);
- } else {
- HSKIP->setPixel(ng, mg, 0);
- }
- }
- }
- }
- HBPP = 1;
- while((FX_DWORD)(1 << HBPP) < HNUMPATS) {
- HBPP ++;
- }
- JBIG2_ALLOC(pGID, CJBig2_GSIDProc());
- pGID->GSMMR = HMMR;
- pGID->GSW = HGW;
- pGID->GSH = HGH;
- pGID->GSBPP = (FX_BYTE)HBPP;
- pGID->GSUSESKIP = HENABLESKIP;
- pGID->GSKIP = HSKIP;
- pGID->GSTEMPLATE = HTEMPLATE;
- GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause);
- if(GI == NULL) {
- goto failed;
- }
- for(mg = 0; mg < HGH; mg++) {
- for(ng = 0; ng < HGW; ng++) {
- x = (HGX + mg * HRY + ng * HRX) >> 8;
- y = (HGY + mg * HRX - ng * HRY) >> 8;
- FX_DWORD pat_index = GI[mg * HGW + ng];
- if (pat_index >= HNUMPATS) {
- pat_index = HNUMPATS - 1;
- }
- HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
- }
- }
- m_pModule->JBig2_Free(GI);
- if(HSKIP) {
- delete HSKIP;
- }
- delete pGID;
- return HTREG;
-failed:
- if(HSKIP) {
- delete HSKIP;
- }
- delete pGID;
- delete HTREG;
- return NULL;
-}
-CJBig2_Image *CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause)
-{
- FX_DWORD ng, mg;
- FX_INT32 x, y;
- FX_DWORD HBPP;
- FX_DWORD *GI;
- CJBig2_Image *HTREG;
- CJBig2_GSIDProc *pGID;
- JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH));
- HTREG->fill(HDEFPIXEL);
- HBPP = 1;
- while((FX_DWORD)(1 << HBPP) < HNUMPATS) {
- HBPP ++;
- }
- JBIG2_ALLOC(pGID, CJBig2_GSIDProc());
- pGID->GSMMR = HMMR;
- pGID->GSW = HGW;
- pGID->GSH = HGH;
- pGID->GSBPP = (FX_BYTE)HBPP;
- pGID->GSUSESKIP = 0;
- GI = pGID->decode_MMR(pStream, pPause);
- if(GI == NULL) {
- goto failed;
- }
- for(mg = 0; mg < HGH; mg++) {
- for(ng = 0; ng < HGW; ng++) {
- x = (HGX + mg * HRY + ng * HRX) >> 8;
- y = (HGY + mg * HRX - ng * HRY) >> 8;
- FX_DWORD pat_index = GI[mg * HGW + ng];
- if (pat_index >= HNUMPATS) {
- pat_index = HNUMPATS - 1;
- }
- HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
- }
- }
- m_pModule->JBig2_Free(GI);
- delete pGID;
- return HTREG;
-failed:
- delete pGID;
- delete HTREG;
- return NULL;
-}
-CJBig2_PatternDict *CJBig2_PDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_DWORD GRAY;
- CJBig2_Image *BHDC = NULL;
- CJBig2_PatternDict *pDict;
- CJBig2_GRDProc *pGRD;
- JBIG2_ALLOC(pDict, CJBig2_PatternDict());
- pDict->NUMPATS = GRAYMAX + 1;
- pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS);
- JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS);
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = HDMMR;
- pGRD->GBW = (GRAYMAX + 1) * HDPW;
- pGRD->GBH = HDPH;
- pGRD->GBTEMPLATE = HDTEMPLATE;
- pGRD->TPGDON = 0;
- pGRD->USESKIP = 0;
- pGRD->GBAT[0] = -(FX_INT32)HDPW;
- pGRD->GBAT[1] = 0;
- if(pGRD->GBTEMPLATE == 0) {
- pGRD->GBAT[2] = -3;
- pGRD->GBAT[3] = -1;
- pGRD->GBAT[4] = 2;
- pGRD->GBAT[5] = -2;
- pGRD->GBAT[6] = -2;
- pGRD->GBAT[7] = -2;
- }
- FXCODEC_STATUS status = pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(BHDC == NULL) {
- delete pGRD;
- goto failed;
- }
- delete pGRD;
- GRAY = 0;
- while(GRAY <= GRAYMAX) {
- pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
- GRAY = GRAY + 1;
- }
- delete BHDC;
- return pDict;
-failed:
- delete pDict;
- return NULL;
-}
-
-CJBig2_PatternDict *CJBig2_PDDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause)
-{
- FX_DWORD GRAY;
- CJBig2_Image *BHDC = NULL;
- CJBig2_PatternDict *pDict;
- CJBig2_GRDProc *pGRD;
- JBIG2_ALLOC(pDict, CJBig2_PatternDict());
- pDict->NUMPATS = GRAYMAX + 1;
- pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS);
- JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS);
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = HDMMR;
- pGRD->GBW = (GRAYMAX + 1) * HDPW;
- pGRD->GBH = HDPH;
- FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(BHDC == NULL) {
- delete pGRD;
- goto failed;
- }
- delete pGRD;
- GRAY = 0;
- while(GRAY <= GRAYMAX) {
- pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
- GRAY = GRAY + 1;
- }
- delete BHDC;
- return pDict;
-failed:
- delete pDict;
- return NULL;
-}
-FX_DWORD *CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- CJBig2_Image **GSPLANES;
- FX_INT32 J, K;
- FX_DWORD x, y;
- FX_DWORD *GSVALS;
- CJBig2_GRDProc *pGRD;
- GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP);
- if (!GSPLANES) {
- return NULL;
- }
- GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH);
- if (!GSVALS) {
- m_pModule->JBig2_Free(GSPLANES);
- return NULL;
- }
- JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP);
- JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH);
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = GSMMR;
- pGRD->GBW = GSW;
- pGRD->GBH = GSH;
- pGRD->GBTEMPLATE = GSTEMPLATE;
- pGRD->TPGDON = 0;
- pGRD->USESKIP = GSUSESKIP;
- pGRD->SKIP = GSKIP;
- if(GSTEMPLATE <= 1) {
- pGRD->GBAT[0] = 3;
- } else {
- pGRD->GBAT[0] = 2;
- }
- pGRD->GBAT[1] = -1;
- if(pGRD->GBTEMPLATE == 0) {
- pGRD->GBAT[2] = -3;
- pGRD->GBAT[3] = -1;
- pGRD->GBAT[4] = 2;
- pGRD->GBAT[5] = -2;
- pGRD->GBAT[6] = -2;
- pGRD->GBAT[7] = -2;
- }
- FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[GSBPP - 1], pArithDecoder, gbContext);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(GSPLANES[GSBPP - 1] == NULL) {
- goto failed;
- }
- J = GSBPP - 2;
- while(J >= 0) {
- FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[J], pArithDecoder, gbContext);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(GSPLANES[J] == NULL) {
- for(K = GSBPP - 1; K > J; K--) {
- delete GSPLANES[K];
- goto failed;
- }
- }
- GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR);
- J = J - 1;
- }
- for(y = 0; y < GSH; y++) {
- for(x = 0; x < GSW; x++) {
- for(J = 0; J < GSBPP; J++) {
- GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J;
- }
- }
- }
- for(J = 0; J < GSBPP; J++) {
- delete GSPLANES[J];
- }
- m_pModule->JBig2_Free(GSPLANES);
- delete pGRD;
- return GSVALS;
-failed:
- m_pModule->JBig2_Free(GSPLANES);
- delete pGRD;
- m_pModule->JBig2_Free(GSVALS);
- return NULL;
-}
-FX_DWORD *CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause)
-{
- CJBig2_Image **GSPLANES;
- FX_INT32 J, K;
- FX_DWORD x, y;
- FX_DWORD *GSVALS;
- CJBig2_GRDProc *pGRD;
- GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP);
- if (!GSPLANES) {
- return NULL;
- }
- GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH);
- if (!GSVALS) {
- if (GSPLANES) {
- m_pModule->JBig2_Free(GSPLANES);
- }
- return NULL;
- }
- JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP);
- JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH);
- JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
- pGRD->MMR = GSMMR;
- pGRD->GBW = GSW;
- pGRD->GBH = GSH;
- FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[GSBPP - 1], pStream);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(GSPLANES[GSBPP - 1] == NULL) {
- goto failed;
- }
- pStream->alignByte();
- pStream->offset(3);
- J = GSBPP - 2;
- while(J >= 0) {
- FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[J], pStream);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- if(GSPLANES[J] == NULL) {
- for(K = GSBPP - 1; K > J; K--) {
- delete GSPLANES[K];
- goto failed;
- }
- }
- pStream->alignByte();
- pStream->offset(3);
- GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR);
- J = J - 1;
- }
- for(y = 0; y < GSH; y++) {
- for(x = 0; x < GSW; x++) {
- for(J = 0; J < GSBPP; J++) {
- GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J;
- }
- }
- }
- for(J = 0; J < GSBPP; J++) {
- delete GSPLANES[J];
- }
- m_pModule->JBig2_Free(GSPLANES);
- delete pGRD;
- return GSVALS;
-failed:
- m_pModule->JBig2_Free(GSPLANES);
- delete pGRD;
- m_pModule->JBig2_Free(GSVALS);
- return NULL;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- if (GBW == 0 || GBH == 0) {
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_pPause = pPause;
- if(*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
- }
- if ((*pImage)->m_pData == NULL) {
- delete *pImage;
- *pImage = NULL;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return FXCODEC_STATUS_ERROR;
- }
- m_DecodeType = 1;
- m_pImage = pImage;
- (*m_pImage)->fill(0);
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- LTP = 0;
- m_pLine = NULL;
- m_loopIndex = 0;
- return decode_Arith(pPause);
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause)
-{
- int iline = m_loopIndex;
- CJBig2_Image* pImage = *m_pImage;
- if(GBTEMPLATE == 0) {
- if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)
- && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1)
- && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2)
- && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) {
- m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, m_gbContext, pPause);
- } else {
- m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, m_gbContext, pPause);
- }
- } else if(GBTEMPLATE == 1) {
- if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) {
- m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, m_gbContext, pPause);
- } else {
- m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, m_gbContext, pPause);
- }
- } else if(GBTEMPLATE == 2) {
- if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) {
- m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, m_gbContext, pPause);
- } else {
- m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, m_gbContext, pPause);
- }
- } else {
- if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) {
- m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, m_gbContext, pPause);
- } else {
- m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, m_gbContext, pPause);
- }
- }
- m_ReplaceRect.left = 0;
- m_ReplaceRect.right = pImage->m_nWidth;
- m_ReplaceRect.top = iline;
- m_ReplaceRect.bottom = m_loopIndex;
- if(m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) {
- m_loopIndex = 0;
- }
- return m_ProssiveStatus;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- if(GBW == 0 || GBH == 0) {
- * pImage = NULL;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
- }
- if(*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
- }
- if ((*pImage)->m_pData == NULL) {
- delete *pImage;
- *pImage = NULL;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return FXCODEC_STATUS_ERROR;
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_DecodeType = 2;
- m_pPause = pPause;
- m_pImage = pImage;
- (*m_pImage)->fill(0);
- LTP = 0;
- m_loopIndex = 0;
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- return decode_Arith_V2(pPause);
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image *GBREG = *m_pImage;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- GBREG->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- switch(GBTEMPLATE) {
- case 0: {
- line1 = GBREG->getPixel(1, m_loopIndex - 2);
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1;
- line2 = GBREG->getPixel(2, m_loopIndex - 1);
- line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1;
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- }
- break;
- case 1: {
- line1 = GBREG->getPixel(2, m_loopIndex - 2);
- line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1;
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2;
- line2 = GBREG->getPixel(2, m_loopIndex - 1);
- line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1;
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- }
- break;
- case 2: {
- line1 = GBREG->getPixel(1, m_loopIndex - 2);
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1;
- line2 = GBREG->getPixel(1, m_loopIndex - 1);
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- }
- break;
- case 3: {
- line1 = GBREG->getPixel(1, m_loopIndex - 1);
- line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1;
- line2 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= line1 << 5;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if(bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- }
- break;
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex ++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- if(GBW == 0 || GBH == 0) {
- * pImage = NULL;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
- }
- if(*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
- }
- if ((*pImage)->m_pData == NULL) {
- delete *pImage;
- *pImage = NULL;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return FXCODEC_STATUS_ERROR;
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_pPause = pPause;
- m_pImage = pImage;
- m_DecodeType = 3;
- (*m_pImage)->fill(0);
- LTP = 0;
- m_loopIndex = 0;
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- return decode_Arith_V1(pPause);
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT = 0;
- CJBig2_Image *GBREG = (*m_pImage);
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- for(FX_DWORD w = 0; w < GBW; w++) {
- GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1));
- }
- } else {
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- GBREG->setPixel(w, m_loopIndex, 0);
- } else {
- CONTEXT = 0;
- switch(GBTEMPLATE) {
- case 0:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15;
- break;
- case 1:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12;
- break;
- case 2:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9;
- break;
- case 3:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9;
- break;
- }
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex ++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause)
-{
- int bitpos, i;
- JBIG2_ALLOC((* pImage), CJBig2_Image(GBW, GBH));
- if ((* pImage)->m_pData == NULL) {
- delete (* pImage);
- (* pImage) = NULL;
- m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return m_ProssiveStatus;
- }
- bitpos = (int)pStream->getBitPos();
- _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, (* pImage)->m_pData, GBW, GBH, (* pImage)->m_nStride);
- pStream->setBitPos(bitpos);
- for(i = 0; (FX_DWORD)i < (* pImage)->m_nStride * GBH; i++) {
- (* pImage)->m_pData[i] = ~(* pImage)->m_pData[i];
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return m_ProssiveStatus;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_MMR()
-{
- return m_ProssiveStatus;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause)
-{
- if(m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- return m_ProssiveStatus;
- }
- switch (m_DecodeType) {
- case 1:
- return decode_Arith(pPause);
- case 2:
- return decode_Arith_V2(pPause);
- case 3:
- return decode_Arith_V1(pPause);
- case 4:
- return decode_MMR();
- }
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return m_ProssiveStatus;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- FX_BYTE *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- if(m_pLine == NULL) {
- m_pLine = pImage->m_pData;
- }
- nStride = pImage->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- FX_DWORD height = GBH & 0x7fffffff;
- for(; m_loopIndex < height; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- if(m_loopIndex > 1) {
- pLine1 = m_pLine - nStride2;
- pLine2 = m_pLine - nStride;
- line1 = (*pLine1++) << 6;
- line2 = *pLine2++;
- CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0));
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 6);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line1 >> k) & 0x0800)
- | ((line2 >> k) & 0x0010));
- }
- m_pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0800)
- | ((line2 >> (7 - k)) & 0x0010));
- }
- m_pLine[nLineBytes] = cVal;
- } else {
- pLine2 = m_pLine - nStride;
- line2 = (m_loopIndex & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 & 0x07f0);
- for(cc = 0; cc < nLineBytes; cc++) {
- if(m_loopIndex & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line2 >> k) & 0x0010));
- }
- m_pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal
- | ((line2 >> (7 - k)) & 0x0010));
- }
- m_pLine[nLineBytes] = cVal;
- }
- }
- m_pLine += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2, line3;
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- line1 = pImage->getPixel(1, m_loopIndex - 2);
- line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1;
- line2 = pImage->getPixel(2, m_loopIndex - 1);
- line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1;
- line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10;
- CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- pImage->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 = ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- FX_BYTE *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- if (!m_pLine) {
- m_pLine = pImage->m_pData;
- }
- nStride = pImage->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- if(m_loopIndex > 1) {
- pLine1 = m_pLine - nStride2;
- pLine2 = m_pLine - nStride;
- line1 = (*pLine1++) << 4;
- line2 = *pLine2++;
- CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8);
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 4);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line1 >> k) & 0x0200)
- | ((line2 >> (k + 1)) & 0x0008);
- }
- m_pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0200)
- | ((line2 >> (8 - k)) & 0x0008);
- }
- m_pLine[nLineBytes] = cVal;
- } else {
- pLine2 = m_pLine - nStride;
- line2 = (m_loopIndex & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 >> 1) & 0x01f8;
- for(cc = 0; cc < nLineBytes; cc++) {
- if(m_loopIndex & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line2 >> (k + 1)) & 0x0008);
- }
- m_pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal
- | ((line2 >> (8 - k)) & 0x0008);
- }
- m_pLine[nLineBytes] = cVal;
- }
- }
- m_pLine += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2, line3;
- for(FX_DWORD h = 0; h < GBH; h++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(h, h - 1);
- } else {
- line1 = pImage->getPixel(2, h - 2);
- line1 |= pImage->getPixel(1, h - 2) << 1;
- line1 |= pImage->getPixel(0, h - 2) << 2;
- line2 = pImage->getPixel(2, h - 1);
- line2 |= pImage->getPixel(1, h - 1) << 1;
- line2 |= pImage->getPixel(0, h - 1) << 2;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- pImage->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f;
- line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- FX_BYTE *pLine1, *pLine2, cVal;
- FX_INT32 nStride, nStride2, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- if(!m_pLine) {
- m_pLine = pImage->m_pData;
- }
- nStride = pImage->m_nStride;
- nStride2 = nStride << 1;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- if(m_loopIndex > 1) {
- pLine1 = m_pLine - nStride2;
- pLine2 = m_pLine - nStride;
- line1 = (*pLine1++) << 1;
- line2 = *pLine2++;
- CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c);
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | ((*pLine1++) << 1);
- line2 = (line2 << 8) | (*pLine2++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line1 >> k) & 0x0080)
- | ((line2 >> (k + 3)) & 0x0004);
- }
- m_pLine[cc] = cVal;
- }
- line1 <<= 8;
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line1 >> (7 - k)) & 0x0080)
- | ((line2 >> (10 - k)) & 0x0004);
- }
- m_pLine[nLineBytes] = cVal;
- } else {
- pLine2 = m_pLine - nStride;
- line2 = (m_loopIndex & 1) ? (*pLine2++) : 0;
- CONTEXT = (line2 >> 3) & 0x007c;
- for(cc = 0; cc < nLineBytes; cc++) {
- if(m_loopIndex & 1) {
- line2 = (line2 << 8) | (*pLine2++);
- }
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | ((line2 >> (k + 3)) & 0x0004);
- }
- m_pLine[cc] = cVal;
- }
- line2 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal
- | (((line2 >> (10 - k))) & 0x0004);
- }
- m_pLine[nLineBytes] = cVal;
- }
- }
- m_pLine += nStride;
- if(pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2, line3;
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- line1 = pImage->getPixel(1, m_loopIndex - 2);
- line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1;
- line2 = pImage->getPixel(1, m_loopIndex - 1);
- line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1;
- line3 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- pImage->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 = ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1;
- FX_BYTE *pLine1, cVal;
- FX_INT32 nStride, k;
- FX_INT32 nLineBytes, nBitsLeft, cc;
- if (!m_pLine) {
- m_pLine = pImage->m_pData;
- }
- nStride = pImage->m_nStride;
- nLineBytes = ((GBW + 7) >> 3) - 1;
- nBitsLeft = GBW - (nLineBytes << 3);
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- if(m_loopIndex > 0) {
- pLine1 = m_pLine - nStride;
- line1 = *pLine1++;
- CONTEXT = (line1 >> 1) & 0x03f0;
- for(cc = 0; cc < nLineBytes; cc++) {
- line1 = (line1 << 8) | (*pLine1++);
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal
- | ((line1 >> (k + 1)) & 0x0010);
- }
- m_pLine[cc] = cVal;
- }
- line1 <<= 8;
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal
- | ((line1 >> (8 - k)) & 0x0010);
- }
- m_pLine[nLineBytes] = cVal;
- } else {
- CONTEXT = 0;
- for(cc = 0; cc < nLineBytes; cc++) {
- cVal = 0;
- for(k = 7; k >= 0; k--) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << k;
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal;
- }
- m_pLine[cc] = cVal;
- }
- cVal = 0;
- for(k = 0; k < nBitsLeft; k++) {
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal;
- }
- m_pLine[nLineBytes] = cVal;
- }
- }
- m_pLine += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- for(; m_loopIndex < GBH; m_loopIndex++) {
- if(TPGDON) {
- SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
- LTP = LTP ^ SLTP;
- }
- if(LTP == 1) {
- pImage->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- line1 = pImage->getPixel(1, m_loopIndex - 1);
- line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1;
- line2 = 0;
- for(FX_DWORD w = 0; w < GBW; w++) {
- if(USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
- CONTEXT |= line1 << 5;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if(bVal) {
- pImage->setPixel(w, m_loopIndex, bVal);
- }
- line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- }
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_GeneralDecoder.h" +#include "JBig2_ArithDecoder.h" +#include "JBig2_ArithIntDecoder.h" +#include "JBig2_HuffmanDecoder.h" +#include "JBig2_HuffmanTable.h" +#include "JBig2_PatternDict.h" +CJBig2_Image *CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + if (GBW == 0 || GBH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + return pImage; + } + if(GBTEMPLATE == 0) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) + && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) + && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) + && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { + return decode_Arith_Template0_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template0_unopt(pArithDecoder, gbContext); + } + } else if(GBTEMPLATE == 1) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template1_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template1_unopt(pArithDecoder, gbContext); + } + } else if(GBTEMPLATE == 2) { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template2_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template2_unopt(pArithDecoder, gbContext); + } + } else { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template3_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template3_unopt(pArithDecoder, gbContext); + } + } +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 11; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x1f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x7f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 6 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0xf800) | (line2 & 0x07f0); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 6); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for(FX_DWORD h = 0; h < height; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> k) & 0x0800) + | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010)); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | (((line2 >> (7 - k))) & 0x0010)); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x3f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 4 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 4); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> k) & 0x0200) + | ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 2; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 1 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 1); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> k) & 0x0080) + | ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | (((line2 >> (10 - k))) & 0x0004); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 1); + line1 |= GBREG->getPixel(1, h - 1) << 1; + line1 |= GBREG->getPixel(0, h - 1) << 2; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= line1 << 4; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 >> 1) & 0x03f0; + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 0) { + line1 = (line1 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 0) { + line1 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1; + FX_BYTE *pLine, *pLine1, cVal; + FX_INT32 nStride, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 0) { + pLine1 = pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (k + 1)) & 0x0010); + } + pLine[cc] = cVal; + } + line1 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for(cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + pLine[cc] = cVal; + } + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + switch(GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + break; + case 1: { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + break; + case 2: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + break; + case 3: { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + break; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image *GBREG; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + for(FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1)); + } + } else { + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + GBREG->setPixel(w, h, 0); + } else { + CONTEXT = 0; + switch(GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12; + CONTEXT |= GBREG->getPixel(w, h - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10; + CONTEXT |= GBREG->getPixel(w, h - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3; + CONTEXT |= GBREG->getPixel(w, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7; + CONTEXT |= GBREG->getPixel(w, h - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + GBREG->setPixel(w, h, bVal); + } + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_MMR(CJBig2_BitStream *pStream) +{ + int bitpos, i; + CJBig2_Image *pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + if (pImage->m_pData == NULL) { + delete pImage; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, pImage->m_pData, GBW, GBH, pImage->m_nStride); + pStream->setBitPos(bitpos); + for(i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) { + pImage->m_pData[i] = ~pImage->m_pData[i]; + } + return pImage; +} +CJBig2_Image *CJBig2_GRRDProc::decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + if (GRW == 0 || GRH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH)); + return pImage; + } + if(GRTEMPLATE == 0) { + if((GRAT[0] == (signed char) - 1) && (GRAT[1] == (signed char) - 1) + && (GRAT[2] == (signed char) - 1) && (GRAT[3] == (signed char) - 1) + && (GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template0_opt(pArithDecoder, grContext); + } else { + return decode_Template0_unopt(pArithDecoder, grContext); + } + } else { + if((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template1_opt(pArithDecoder, grContext); + } else { + return decode_Template1_unopt(pArithDecoder, grContext); + } + } +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; + } + } else { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + FX_BYTE *pLine, *pLineR, cVal; + FX_INTPTR nStride, nStrideR, nOffset; + FX_INT32 k, nBits; + FX_INT32 GRWR, GRHR; + FX_INT32 GRW, GRH; + GRW = (FX_INT32)CJBig2_GRRDProc::GRW; + GRH = (FX_INT32)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (FX_INT32)GRREFERENCE->m_nWidth; + GRHR = (FX_INT32)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (FX_INT32 h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; + } + line1 = (h > 0) ? pLine[-nStride] << 4 : 0; + FX_INT32 reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if(LTP == 0) { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) + | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if (h > GRHR + GRREFERENCEDY + 1) { + line1_r = 0; + line2_r = 0; + line3_r = 0; + } else { + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) + | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; + } + } else { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + FX_BYTE *pLine, *pLineR, cVal; + FX_INTPTR nStride, nStrideR, nOffset; + FX_INT32 k, nBits; + FX_INT32 GRWR, GRHR; + FX_INT32 GRW, GRH; + GRW = (FX_INT32)CJBig2_GRRDProc::GRW; + GRH = (FX_INT32)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (FX_INT32)GRREFERENCE->m_nWidth; + GRHR = (FX_INT32)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (FX_INT32 h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; + } + line1 = (h > 0) ? pLine[-nStride] << 1 : 0; + FX_INT32 reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if(LTP == 0) { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) + | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) + | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_BOOL TPGRPIX, TPGRVAL; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + switch(GRTEMPLATE) { + case 0: + CONTEXT = 0x0010; + break; + case 1: + CONTEXT = 0x0008; + break; + } + SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = 0; + switch(GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + } + } else { + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) { + TPGRPIX = 1; + TPGRVAL = bVal; + } else { + TPGRPIX = 0; + } + if(TPGRPIX) { + GRREG->setPixel(w, h, TPGRVAL); + } else { + CONTEXT = 0; + switch(GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + } + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext) +{ + FX_INT32 STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + FX_INT32 DT, DFS, CURS; + FX_BYTE CURT; + FX_INT32 SI, TI; + FX_DWORD IDI; + CJBig2_Image *IBI; + FX_DWORD WI, HI; + FX_INT32 IDS; + FX_BOOL RI; + FX_INT32 RDWI, RDHI, RDXI, RDYI; + CJBig2_Image *IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image *SBREG; + FX_BOOL bFirst; + FX_DWORD nTmp; + FX_INT32 nVal, nBits; + CJBig2_HuffmanDecoder *pHuffmanDecoder; + CJBig2_GRRDProc *pGRRD; + CJBig2_ArithDecoder *pArithDecoder; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while(NINSTANCES < SBNUMINSTANCES) { + if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for(;;) { + if(bFirst) { + if(pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } else { + CURS = CURS + IDS + SBDSOFFSET; + } + } + if(SBSTRIPS == 1) { + CURT = 0; + } else { + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBSTRIPS) { + nTmp ++; + } + if(pStream->readNBits(nTmp, &nVal) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + CURT = nVal; + } + TI = STRIPT + CURT; + nVal = 0; + nBits = 0; + for(;;) { + if(pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + nVal = (nVal << 1) | nTmp; + nBits ++; + for(IDI = 0; IDI < SBNUMSYMS; IDI++) { + if((nBits == SBSYMCODES[IDI].codelen) && (nVal == SBSYMCODES[IDI].code)) { + break; + } + } + if(IDI < SBNUMSYMS) { + break; + } + } + if(SBREFINE == 0) { + RI = 0; + } else { + if(pStream->read1Bit(&RI) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + } + if(RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + pStream->alignByte(); + nTmp = pStream->getOffset(); + IBOI = SBSYMS[IDI]; + if (!IBOI) { + goto failed; + } + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): Invalid RDWI or RDHI value."); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + IBI = pGRRD->decode(pArithDecoder, grContext); + if(IBI == NULL) { + delete pGRRD; + delete pArithDecoder; + goto failed; + } + delete pArithDecoder; + pStream->alignByte(); + pStream->offset(2); + if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete IBI; + delete pGRRD; + m_pModule->JBig2_Error("text region decoding procedure (huffman):" + "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); + goto failed; + } + delete pGRRD; + } + if (!IBI) { + continue; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if(TRANSPOSED == 0) { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if(RI != 0) { + delete IBI; + } + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; + } + } + delete pHuffmanDecoder; + return SBREG; +failed: + delete pHuffmanDecoder; + delete SBREG; + return NULL; +} +CJBig2_Image *CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext, + JBig2IntDecoderState *pIDS) +{ + FX_INT32 STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + FX_INT32 DT, DFS, CURS; + FX_INT32 CURT; + FX_INT32 SI, TI; + FX_DWORD IDI; + CJBig2_Image *IBI; + FX_DWORD WI, HI; + FX_INT32 IDS; + FX_BOOL RI; + FX_INT32 RDWI, RDHI, RDXI, RDYI; + CJBig2_Image *IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image *SBREG; + FX_BOOL bFirst; + FX_INT32 nRet, nVal; + FX_INT32 bRetained; + CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, *IARDX, *IARDY; + CJBig2_ArithIaidDecoder *IAID; + CJBig2_GRRDProc *pGRRD; + if(pIDS) { + IADT = pIDS->IADT; + IAFS = pIDS->IAFS; + IADS = pIDS->IADS; + IAIT = pIDS->IAIT; + IARI = pIDS->IARI; + IARDW = pIDS->IARDW; + IARDH = pIDS->IARDH; + IARDX = pIDS->IARDX; + IARDY = pIDS->IARDY; + IAID = pIDS->IAID; + bRetained = TRUE; + } else { + JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAID , CJBig2_ArithIaidDecoder(SBSYMCODELEN)); + bRetained = FALSE; + } + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if(IADT->decode(pArithDecoder, &STRIPT) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while(NINSTANCES < SBNUMINSTANCES) { + if(IADT->decode(pArithDecoder, &DT) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for(;;) { + if(bFirst) { + if(IAFS->decode(pArithDecoder, &DFS) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nRet = IADS->decode(pArithDecoder, &IDS); + if(nRet == JBIG2_OOB) { + break; + } else if(nRet != 0) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } else { + CURS = CURS + IDS + SBDSOFFSET; + } + } + if (NINSTANCES >= SBNUMINSTANCES) { + break; + } + if(SBSTRIPS == 1) { + CURT = 0; + } else { + if(IAIT->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + CURT = nVal; + } + TI = STRIPT + CURT; + if(IAID->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + IDI = nVal; + if(IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error("text region decoding procedure (arith): symbol id out of range.(%d/%d)", + IDI, SBNUMSYMS); + goto failed; + } + if(SBREFINE == 0) { + RI = 0; + } else { + if(IARI->decode(pArithDecoder, &RI) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + } + if (!SBSYMS[IDI]) { + goto failed; + } + if(RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if((IARDW->decode(pArithDecoder, &RDWI) == -1) + || (IARDH->decode(pArithDecoder, &RDHI) == -1) + || (IARDX->decode(pArithDecoder, &RDXI) == -1) + || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + IBOI = SBSYMS[IDI]; + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error("text region decoding procedure (arith): Invalid RDWI or RDHI value."); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + IBI = pGRRD->decode(pArithDecoder, grContext); + if(IBI == NULL) { + delete pGRRD; + goto failed; + } + delete pGRRD; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if(TRANSPOSED == 0) { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if(RI != 0) { + delete IBI; + } + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; + } + } + if(bRetained == FALSE) { + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + delete IARDX; + delete IARDY; + delete IAID; + } + return SBREG; +failed: + if(bRetained == FALSE) { + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + delete IARDX; + delete IARDY; + delete IAID; + } + delete SBREG; + return NULL; +} +CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext) +{ + CJBig2_Image **SDNEWSYMS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + FX_INT32 HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; + FX_INT32 DW; + CJBig2_Image *BS; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL *EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + FX_INT32 nVal; + FX_DWORD nTmp; + FX_BOOL SBHUFF; + FX_DWORD SBNUMSYMS; + FX_BYTE SBSYMCODELEN; + FX_DWORD IDI; + FX_INT32 RDXI, RDYI; + CJBig2_Image **SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, + *SBHUFFRSIZE; + CJBig2_GRRDProc *pGRRD; + CJBig2_GRDProc *pGRD; + CJBig2_ArithIntDecoder *IADH, *IADW, *IAAI, *IARDX, *IARDY, *IAEX, + *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH; + CJBig2_ArithIaidDecoder *IAID; + CJBig2_SymbolDict *pDict; + JBIG2_ALLOC(IADH, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAAI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAEX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); + nTmp = 0; + while((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { + nTmp ++; + } + JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((FX_BYTE)nTmp)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); + FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + HCHEIGHT = 0; + NSYMSDECODED = 0; + while(NSYMSDECODED < SDNUMNEWSYMS) { + BS = NULL; + if(IADH->decode(pArithDecoder, &HCDH) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid HCHEIGHT value."); + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + HCFIRSTSYM = NSYMSDECODED; + for(;;) { + nVal = IADW->decode(pArithDecoder, &DW); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): NSYMSDECODED >= SDNUMNEWSYMS."); + goto failed; + } + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid SYMWIDTH value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; + } + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if(SDREFAGG == 0) { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 0; + pGRD->GBW = SYMWIDTH; + pGRD->GBH = HCHEIGHT; + pGRD->GBTEMPLATE = SDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = SDAT[0]; + pGRD->GBAT[1] = SDAT[1]; + pGRD->GBAT[2] = SDAT[2]; + pGRD->GBAT[3] = SDAT[3]; + pGRD->GBAT[4] = SDAT[4]; + pGRD->GBAT[5] = SDAT[5]; + pGRD->GBAT[6] = SDAT[6]; + pGRD->GBAT[7] = SDAT[7]; + BS = pGRD->decode_Arith(pArithDecoder, gbContext); + if(BS == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + } else { + if(IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if(REFAGGNINST > 1) { + CJBig2_TRDProc *pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + nTmp = 0; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + SBSYMCODELEN = (FX_BYTE)nTmp; + pDecoder->SBSYMCODELEN = SBSYMCODELEN; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + JBig2IntDecoderState ids; + ids.IADT = IADT; + ids.IAFS = IAFS; + ids.IADS = IADS; + ids.IAIT = IAIT; + ids.IARI = IARI; + ids.IARDW = IARDW; + ids.IARDH = IARDH; + ids.IARDX = IARDX; + ids.IARDY = IARDY; + ids.IAID = IAID; + BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if(REFAGGNINST == 1) { + SBHUFF = SDHUFF; + SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + if(IAID->decode(pArithDecoder, (int*)&IDI) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if((IARDX->decode(pArithDecoder, &RDXI) == -1) + || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if (IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith):" + " refinement references unknown symbol %d", IDI); + goto failed; + } + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + if (!SBSYMS[IDI]) { + m_pModule->JBig2_Free(SBSYMS); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + BS = pGRRD->decode(pArithDecoder, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + } + } + SDNEWSYMS[NSYMSDECODED] = BS; + BS = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + } + } + EXINDEX = 0; + CUREXFLAG = 0; + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); + while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if(IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); + goto failed; + } + if(EXRUNLENGTH != 0) { + for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } + } + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if(EXFLAGS[I] && J < SDNUMEXSYMS) { + if(I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; + } + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return pDict; +failed: + for(I = 0; I < NSYMSDECODED; I++) { + if (SDNEWSYMS[I]) { + delete SDNEWSYMS[I]; + SDNEWSYMS[I] = NULL; + } + } + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return NULL; +} +CJBig2_SymbolDict *CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream *pStream, + JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause) +{ + CJBig2_Image **SDNEWSYMS; + FX_DWORD *SDNEWSYMWIDTHS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + FX_INT32 HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; + FX_INT32 DW; + CJBig2_Image *BS, *BHC; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL *EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + FX_INT32 nVal, nBits; + FX_DWORD nTmp; + FX_BOOL SBHUFF; + FX_DWORD SBNUMSYMS; + FX_BYTE SBSYMCODELEN; + JBig2HuffmanCode *SBSYMCODES; + FX_DWORD IDI; + FX_INT32 RDXI, RDYI; + FX_DWORD BMSIZE; + FX_DWORD stride; + CJBig2_Image **SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, + *SBHUFFRSIZE, *pTable; + CJBig2_HuffmanDecoder *pHuffmanDecoder; + CJBig2_GRRDProc *pGRRD; + CJBig2_ArithDecoder *pArithDecoder; + CJBig2_GRDProc *pGRD; + CJBig2_SymbolDict *pDict; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); + FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + SDNEWSYMWIDTHS = NULL; + BHC = NULL; + if(SDREFAGG == 0) { + SDNEWSYMWIDTHS = (FX_DWORD *)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD)); + FXSYS_memset32(SDNEWSYMWIDTHS, 0 , SDNUMNEWSYMS * sizeof(FX_DWORD)); + } + HCHEIGHT = 0; + NSYMSDECODED = 0; + BS = NULL; + while(NSYMSDECODED < SDNUMNEWSYMS) { + if(pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid HCHEIGHT value."); + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + HCFIRSTSYM = NSYMSDECODED; + for(;;) { + nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): NSYMSDECODED >= SDNUMNEWSYMS."); + goto failed; + } + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid SYMWIDTH value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; + } + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if(SDREFAGG == 1) { + if(pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + BS = NULL; + if(REFAGGNINST > 1) { + CJBig2_TRDProc *pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + for(I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = nTmp; + SBSYMCODES[I].code = I; + } + pDecoder->SBSYMCODES = SBSYMCODES; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + BS = pDecoder->decode_Huffman(pStream, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + goto failed; + } + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if(REFAGGNINST == 1) { + SBHUFF = SDHUFF; + SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + SBSYMCODELEN = (FX_BYTE)nTmp; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); + for(I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = SBSYMCODELEN; + SBSYMCODES[I].code = I; + } + nVal = 0; + nBits = 0; + for(;;) { + if(pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + nVal = (nVal << 1) | nTmp; + for(IDI = 0; IDI < SBNUMSYMS; IDI++) { + if((nVal == SBSYMCODES[IDI].code) + && (nBits == SBSYMCODES[IDI].codelen)) { + break; + } + } + if(IDI < SBNUMSYMS) { + break; + } + } + m_pModule->JBig2_Free(SBSYMCODES); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + if((pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDYI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + delete SBHUFFRDX; + delete SBHUFFRSIZE; + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + delete SBHUFFRDX; + delete SBHUFFRSIZE; + pStream->alignByte(); + nTmp = pStream->getOffset(); + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + BS = pGRRD->decode(pArithDecoder, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + goto failed; + } + pStream->alignByte(); + pStream->offset(2); + if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete BS; + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman):" + "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + } + SDNEWSYMS[NSYMSDECODED] = BS; + } + if(SDREFAGG == 0) { + SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; + } + NSYMSDECODED = NSYMSDECODED + 1; + } + if(SDREFAGG == 0) { + if(pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (FX_INT32*)&BMSIZE) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + pStream->alignByte(); + if(BMSIZE == 0) { + stride = (TOTWIDTH + 7) >> 3; + if(pStream->getByteLeft() >= stride * HCHEIGHT) { + JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT)); + for(I = 0; I < HCHEIGHT; I ++) { + JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, pStream->getPointer(), stride); + pStream->offset(stride); + } + } else { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + } else { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 1; + pGRD->GBW = TOTWIDTH; + pGRD->GBH = HCHEIGHT; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + delete pGRD; + pStream->alignByte(); + } + nTmp = 0; + if (!BHC) { + continue; + } + for(I = HCFIRSTSYM; I < NSYMSDECODED; I++) { + SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); + nTmp += SDNEWSYMWIDTHS[I]; + } + delete BHC; + BHC = NULL; + } + } + EXINDEX = 0; + CUREXFLAG = 0; + JBIG2_ALLOC(pTable, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); + while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if(pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); + goto failed; + } + if(EXRUNLENGTH != 0) { + for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } + } + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + delete pTable; + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if(EXFLAGS[I] && J < SDNUMEXSYMS) { + if(I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; + } + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + if(SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return pDict; +failed: + for(I = 0; I < NSYMSDECODED; I++) { + if (SDNEWSYMS[I]) { + delete SDNEWSYMS[I]; + } + } + m_pModule->JBig2_Free(SDNEWSYMS); + if(SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return NULL; +} +CJBig2_Image *CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_DWORD ng, mg; + FX_INT32 x, y; + CJBig2_Image *HSKIP; + FX_DWORD HBPP; + FX_DWORD *GI; + CJBig2_Image *HTREG; + CJBig2_GSIDProc *pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HSKIP = NULL; + if(HENABLESKIP == 1) { + JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH)); + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + if((x + HPW <= 0) | (x >= (FX_INT32)HBW) + | (y + HPH <= 0) | (y >= (FX_INT32)HPH)) { + HSKIP->setPixel(ng, mg, 1); + } else { + HSKIP->setPixel(ng, mg, 0); + } + } + } + } + HBPP = 1; + while((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP ++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (FX_BYTE)HBPP; + pGID->GSUSESKIP = HENABLESKIP; + pGID->GSKIP = HSKIP; + pGID->GSTEMPLATE = HTEMPLATE; + GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); + if(GI == NULL) { + goto failed; + } + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + } + m_pModule->JBig2_Free(GI); + if(HSKIP) { + delete HSKIP; + } + delete pGID; + return HTREG; +failed: + if(HSKIP) { + delete HSKIP; + } + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_Image *CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + FX_DWORD ng, mg; + FX_INT32 x, y; + FX_DWORD HBPP; + FX_DWORD *GI; + CJBig2_Image *HTREG; + CJBig2_GSIDProc *pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HBPP = 1; + while((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP ++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (FX_BYTE)HBPP; + pGID->GSUSESKIP = 0; + GI = pGID->decode_MMR(pStream, pPause); + if(GI == NULL) { + goto failed; + } + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + } + m_pModule->JBig2_Free(GI); + delete pGID; + return HTREG; +failed: + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_PatternDict *CJBig2_PDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_DWORD GRAY; + CJBig2_Image *BHDC = NULL; + CJBig2_PatternDict *pDict; + CJBig2_GRDProc *pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + pGRD->GBTEMPLATE = HDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = -(FX_INT32)HDPW; + pGRD->GBAT[1] = 0; + if(pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(BHDC == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + GRAY = 0; + while(GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; +failed: + delete pDict; + return NULL; +} + +CJBig2_PatternDict *CJBig2_PDDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + FX_DWORD GRAY; + CJBig2_Image *BHDC = NULL; + CJBig2_PatternDict *pDict; + CJBig2_GRDProc *pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(BHDC == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + GRAY = 0; + while(GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; +failed: + delete pDict; + return NULL; +} +FX_DWORD *CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + CJBig2_Image **GSPLANES; + FX_INT32 J, K; + FX_DWORD x, y; + FX_DWORD *GSVALS; + CJBig2_GRDProc *pGRD; + GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + m_pModule->JBig2_Free(GSPLANES); + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + pGRD->GBTEMPLATE = GSTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = GSUSESKIP; + pGRD->SKIP = GSKIP; + if(GSTEMPLATE <= 1) { + pGRD->GBAT[0] = 3; + } else { + pGRD->GBAT[0] = 2; + } + pGRD->GBAT[1] = -1; + if(pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[GSBPP - 1], pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + J = GSBPP - 2; + while(J >= 0) { + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[J], pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[J] == NULL) { + for(K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; + goto failed; + } + } + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for(y = 0; y < GSH; y++) { + for(x = 0; x < GSW; x++) { + for(J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } + } + } + for(J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; +failed: + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; +} +FX_DWORD *CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + CJBig2_Image **GSPLANES; + FX_INT32 J, K; + FX_DWORD x, y; + FX_DWORD *GSVALS; + CJBig2_GRDProc *pGRD; + GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + if (GSPLANES) { + m_pModule->JBig2_Free(GSPLANES); + } + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[GSBPP - 1], pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + pStream->alignByte(); + pStream->offset(3); + J = GSBPP - 2; + while(J >= 0) { + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[J], pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[J] == NULL) { + for(K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; + goto failed; + } + } + pStream->alignByte(); + pStream->offset(3); + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for(y = 0; y < GSH; y++) { + for(x = 0; x < GSW; x++) { + for(J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } + } + } + for(J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; +failed: + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if (GBW == 0 || GBH == 0) { + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_DecodeType = 1; + m_pImage = pImage; + (*m_pImage)->fill(0); + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + LTP = 0; + m_pLine = NULL; + m_loopIndex = 0; + return decode_Arith(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) +{ + int iline = m_loopIndex; + CJBig2_Image* pImage = *m_pImage; + if(GBTEMPLATE == 0) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) + && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) + && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) + && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { + m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else if(GBTEMPLATE == 1) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else if(GBTEMPLATE == 2) { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } + m_ReplaceRect.left = 0; + m_ReplaceRect.right = pImage->m_nWidth; + m_ReplaceRect.top = iline; + m_ReplaceRect.bottom = m_loopIndex; + if(m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) { + m_loopIndex = 0; + } + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if(GBW == 0 || GBH == 0) { + * pImage = NULL; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_DecodeType = 2; + m_pPause = pPause; + m_pImage = pImage; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V2(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG = *m_pImage; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + switch(GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + break; + case 1: { + line1 = GBREG->getPixel(2, m_loopIndex - 2); + line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1; + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + break; + case 2: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(1, m_loopIndex - 1); + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + break; + case 3: { + line1 = GBREG->getPixel(1, m_loopIndex - 1); + line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + break; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex ++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if(GBW == 0 || GBH == 0) { + * pImage = NULL; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + m_pImage = pImage; + m_DecodeType = 3; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V1(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image *GBREG = (*m_pImage); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + for(FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1)); + } + } else { + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + GBREG->setPixel(w, m_loopIndex, 0); + } else { + CONTEXT = 0; + switch(GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9; + break; + } + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + GBREG->setPixel(w, m_loopIndex, bVal); + } + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex ++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + int bitpos, i; + JBIG2_ALLOC((* pImage), CJBig2_Image(GBW, GBH)); + if ((* pImage)->m_pData == NULL) { + delete (* pImage); + (* pImage) = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return m_ProssiveStatus; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, (* pImage)->m_pData, GBW, GBH, (* pImage)->m_nStride); + pStream->setBitPos(bitpos); + for(i = 0; (FX_DWORD)i < (* pImage)->m_nStride * GBH; i++) { + (* pImage)->m_pData[i] = ~(* pImage)->m_pData[i]; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_MMR() +{ + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause) +{ + if(m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return m_ProssiveStatus; + } + switch (m_DecodeType) { + case 1: + return decode_Arith(pPause); + case 2: + return decode_Arith_V2(pPause); + case 3: + return decode_Arith_V1(pPause); + case 4: + return decode_MMR(); + } + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if(m_pLine == NULL) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for(; m_loopIndex < height; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> k) & 0x0800) + | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010)); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> (7 - k)) & 0x0010)); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(2, m_loopIndex - 1); + line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1; + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> k) & 0x0200) + | ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (8 - k)) & 0x0008); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(h, h - 1); + } else { + line1 = pImage->getPixel(2, h - 2); + line1 |= pImage->getPixel(1, h - 2) << 1; + line1 |= pImage->getPixel(0, h - 2) << 2; + line2 = pImage->getPixel(2, h - 1); + line2 |= pImage->getPixel(1, h - 1) << 1; + line2 |= pImage->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if(!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> k) & 0x0080) + | ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | (((line2 >> (10 - k))) & 0x0004); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(1, m_loopIndex - 1); + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1; + FX_BYTE *pLine1, cVal; + FX_INT32 nStride, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 0) { + pLine1 = m_pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (k + 1)) & 0x0010); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + m_pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for(cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + m_pLine[cc] = cVal; + } + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 1); + line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h index a89d0d62ef..3f43c979a5 100644 --- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h @@ -1,278 +1,278 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_GENERAL_DECODER_H_
-#define _JBIG2_GENERAL_DECODER_H_
-#include "../../../include/fxcodec/fx_codec_def.h"
-#include "../../../include/fxcrt/fx_basic.h"
-#include "JBig2_Define.h"
-#include "JBig2_SymbolDict.h"
-#include "JBig2_ArithDecoder.h"
-#include "JBig2_ArithIntDecoder.h"
-#include "../../../include/fxcrt/fx_coordinates.h"
-class CJBig2_HuffmanTable;
-class CJBig2_Image;
-class CJBig2_PatternDict;
-typedef enum {
- JBIG2_CORNER_BOTTOMLEFT = 0,
- JBIG2_CORNER_TOPLEFT = 1,
- JBIG2_CORNER_BOTTOMRIGHT = 2,
- JBIG2_CORNER_TOPRIGHT = 3
-} JBig2Corner;
-class CJBig2_GRDProc : public CJBig2_Object
-{
-public:
- CJBig2_GRDProc()
- {
- m_loopIndex = 0;
- m_pLine = NULL;
- m_pPause = NULL;
- m_DecodeType = 0;
- LTP = 0;
- m_ReplaceRect.left = 0;
- m_ReplaceRect.bottom = 0;
- m_ReplaceRect.top = 0;
- m_ReplaceRect.right = 0;
- }
-
- CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream);
- FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL);
- FXCODEC_STATUS Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL);
- FXCODEC_STATUS Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL);
- FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause = NULL);
- FXCODEC_STATUS Continue_decode(IFX_Pause* pPause);
- FX_RECT GetReplaceRect()
- {
- return m_ReplaceRect;
- };
-private:
- FXCODEC_STATUS decode_Arith(IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_V2(IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_V1(IFX_Pause* pPause);
- FXCODEC_STATUS decode_MMR();
- FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image*pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template0_unopt(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FXCODEC_STATUS decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
- FX_DWORD m_loopIndex;
- FX_BYTE * m_pLine;
- IFX_Pause* m_pPause;
- FXCODEC_STATUS m_ProssiveStatus;
- CJBig2_Image** m_pImage;
- CJBig2_ArithDecoder *m_pArithDecoder;
- JBig2ArithCtx *m_gbContext;
- FX_WORD m_DecodeType;
- FX_BOOL LTP;
- FX_RECT m_ReplaceRect;
-private:
-
- CJBig2_Image *decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-
- CJBig2_Image *decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext);
-public:
- FX_BOOL MMR;
- FX_DWORD GBW;
- FX_DWORD GBH;
- FX_BYTE GBTEMPLATE;
- FX_BOOL TPGDON;
- FX_BOOL USESKIP;
- CJBig2_Image * SKIP;
- signed char GBAT[8];
-};
-class CJBig2_GRRDProc : public CJBig2_Object
-{
-public:
-
- CJBig2_Image *decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext);
-public:
- FX_DWORD GRW;
- FX_DWORD GRH;
- FX_BOOL GRTEMPLATE;
- CJBig2_Image *GRREFERENCE;
- FX_INT32 GRREFERENCEDX;
- FX_INT32 GRREFERENCEDY;
- FX_BOOL TPGRON;
- signed char GRAT[4];
-};
-typedef struct {
- CJBig2_ArithIntDecoder *IADT,
- *IAFS,
- *IADS,
- *IAIT,
- *IARI,
- *IARDW,
- *IARDH,
- *IARDX,
- *IARDY;
- CJBig2_ArithIaidDecoder *IAID;
-} JBig2IntDecoderState;
-class CJBig2_TRDProc : public CJBig2_Object
-{
-public:
-
- CJBig2_Image *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext);
-
- CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext,
- JBig2IntDecoderState *pIDS = NULL);
-public:
- FX_BOOL SBHUFF;
- FX_BOOL SBREFINE;
- FX_DWORD SBW;
- FX_DWORD SBH;
- FX_DWORD SBNUMINSTANCES;
- FX_DWORD SBSTRIPS;
- FX_DWORD SBNUMSYMS;
-
- JBig2HuffmanCode *SBSYMCODES;
- FX_BYTE SBSYMCODELEN;
-
- CJBig2_Image **SBSYMS;
- FX_BOOL SBDEFPIXEL;
-
- JBig2ComposeOp SBCOMBOP;
- FX_BOOL TRANSPOSED;
-
- JBig2Corner REFCORNER;
- signed char SBDSOFFSET;
- CJBig2_HuffmanTable *SBHUFFFS,
- *SBHUFFDS,
- *SBHUFFDT,
- *SBHUFFRDW,
- *SBHUFFRDH,
- *SBHUFFRDX,
- *SBHUFFRDY,
- *SBHUFFRSIZE;
- FX_BOOL SBRTEMPLATE;
- signed char SBRAT[4];
-};
-class CJBig2_SDDProc : public CJBig2_Object
-{
-public:
-
- CJBig2_SymbolDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext);
-
- CJBig2_SymbolDict *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause);
-public:
- FX_BOOL SDHUFF;
- FX_BOOL SDREFAGG;
- FX_DWORD SDNUMINSYMS;
- CJBig2_Image ** SDINSYMS;
- FX_DWORD SDNUMNEWSYMS;
- FX_DWORD SDNUMEXSYMS;
- CJBig2_HuffmanTable *SDHUFFDH,
- *SDHUFFDW,
- *SDHUFFBMSIZE,
- *SDHUFFAGGINST;
- FX_BYTE SDTEMPLATE;
- signed char SDAT[8];
- FX_BOOL SDRTEMPLATE;
- signed char SDRAT[4];
-};
-class CJBig2_HTRDProc : public CJBig2_Object
-{
-public:
-
- CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
-
- CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause);
-public:
- FX_DWORD HBW,
- HBH;
- FX_BOOL HMMR;
- FX_BYTE HTEMPLATE;
- FX_DWORD HNUMPATS;
- CJBig2_Image **HPATS;
- FX_BOOL HDEFPIXEL;
- JBig2ComposeOp HCOMBOP;
- FX_BOOL HENABLESKIP;
- FX_DWORD HGW,
- HGH;
- FX_INT32 HGX,
- HGY;
- FX_WORD HRX,
- HRY;
- FX_BYTE HPW,
- HPH;
-};
-class CJBig2_PDDProc : public CJBig2_Object
-{
-public:
-
- CJBig2_PatternDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
-
- CJBig2_PatternDict *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause);
-public:
- FX_BOOL HDMMR;
- FX_BYTE HDPW,
- HDPH;
- FX_DWORD GRAYMAX;
- FX_BYTE HDTEMPLATE;
-};
-class CJBig2_GSIDProc : public CJBig2_Object
-{
-public:
-
- FX_DWORD *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause);
-
- FX_DWORD *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause);
-public:
- FX_BOOL GSMMR;
- FX_BOOL GSUSESKIP;
- FX_BYTE GSBPP;
- FX_DWORD GSW,
- GSH;
- FX_BYTE GSTEMPLATE;
- CJBig2_Image *GSKIP;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_GENERAL_DECODER_H_ +#define _JBIG2_GENERAL_DECODER_H_ +#include "../../../include/fxcodec/fx_codec_def.h" +#include "../../../include/fxcrt/fx_basic.h" +#include "JBig2_Define.h" +#include "JBig2_SymbolDict.h" +#include "JBig2_ArithDecoder.h" +#include "JBig2_ArithIntDecoder.h" +#include "../../../include/fxcrt/fx_coordinates.h" +class CJBig2_HuffmanTable; +class CJBig2_Image; +class CJBig2_PatternDict; +typedef enum { + JBIG2_CORNER_BOTTOMLEFT = 0, + JBIG2_CORNER_TOPLEFT = 1, + JBIG2_CORNER_BOTTOMRIGHT = 2, + JBIG2_CORNER_TOPRIGHT = 3 +} JBig2Corner; +class CJBig2_GRDProc : public CJBig2_Object +{ +public: + CJBig2_GRDProc() + { + m_loopIndex = 0; + m_pLine = NULL; + m_pPause = NULL; + m_DecodeType = 0; + LTP = 0; + m_ReplaceRect.left = 0; + m_ReplaceRect.bottom = 0; + m_ReplaceRect.top = 0; + m_ReplaceRect.right = 0; + } + + CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream); + FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause = NULL); + FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause = NULL); + FXCODEC_STATUS Continue_decode(IFX_Pause* pPause); + FX_RECT GetReplaceRect() + { + return m_ReplaceRect; + }; +private: + FXCODEC_STATUS decode_Arith(IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_V2(IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_V1(IFX_Pause* pPause); + FXCODEC_STATUS decode_MMR(); + FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image*pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template0_unopt(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FXCODEC_STATUS decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + FX_DWORD m_loopIndex; + FX_BYTE * m_pLine; + IFX_Pause* m_pPause; + FXCODEC_STATUS m_ProssiveStatus; + CJBig2_Image** m_pImage; + CJBig2_ArithDecoder *m_pArithDecoder; + JBig2ArithCtx *m_gbContext; + FX_WORD m_DecodeType; + FX_BOOL LTP; + FX_RECT m_ReplaceRect; +private: + + CJBig2_Image *decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); + + CJBig2_Image *decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext); +public: + FX_BOOL MMR; + FX_DWORD GBW; + FX_DWORD GBH; + FX_BYTE GBTEMPLATE; + FX_BOOL TPGDON; + FX_BOOL USESKIP; + CJBig2_Image * SKIP; + signed char GBAT[8]; +}; +class CJBig2_GRRDProc : public CJBig2_Object +{ +public: + + CJBig2_Image *decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext); +public: + FX_DWORD GRW; + FX_DWORD GRH; + FX_BOOL GRTEMPLATE; + CJBig2_Image *GRREFERENCE; + FX_INT32 GRREFERENCEDX; + FX_INT32 GRREFERENCEDY; + FX_BOOL TPGRON; + signed char GRAT[4]; +}; +typedef struct { + CJBig2_ArithIntDecoder *IADT, + *IAFS, + *IADS, + *IAIT, + *IARI, + *IARDW, + *IARDH, + *IARDX, + *IARDY; + CJBig2_ArithIaidDecoder *IAID; +} JBig2IntDecoderState; +class CJBig2_TRDProc : public CJBig2_Object +{ +public: + + CJBig2_Image *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext); + + CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext, + JBig2IntDecoderState *pIDS = NULL); +public: + FX_BOOL SBHUFF; + FX_BOOL SBREFINE; + FX_DWORD SBW; + FX_DWORD SBH; + FX_DWORD SBNUMINSTANCES; + FX_DWORD SBSTRIPS; + FX_DWORD SBNUMSYMS; + + JBig2HuffmanCode *SBSYMCODES; + FX_BYTE SBSYMCODELEN; + + CJBig2_Image **SBSYMS; + FX_BOOL SBDEFPIXEL; + + JBig2ComposeOp SBCOMBOP; + FX_BOOL TRANSPOSED; + + JBig2Corner REFCORNER; + signed char SBDSOFFSET; + CJBig2_HuffmanTable *SBHUFFFS, + *SBHUFFDS, + *SBHUFFDT, + *SBHUFFRDW, + *SBHUFFRDH, + *SBHUFFRDX, + *SBHUFFRDY, + *SBHUFFRSIZE; + FX_BOOL SBRTEMPLATE; + signed char SBRAT[4]; +}; +class CJBig2_SDDProc : public CJBig2_Object +{ +public: + + CJBig2_SymbolDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext); + + CJBig2_SymbolDict *decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause); +public: + FX_BOOL SDHUFF; + FX_BOOL SDREFAGG; + FX_DWORD SDNUMINSYMS; + CJBig2_Image ** SDINSYMS; + FX_DWORD SDNUMNEWSYMS; + FX_DWORD SDNUMEXSYMS; + CJBig2_HuffmanTable *SDHUFFDH, + *SDHUFFDW, + *SDHUFFBMSIZE, + *SDHUFFAGGINST; + FX_BYTE SDTEMPLATE; + signed char SDAT[8]; + FX_BOOL SDRTEMPLATE; + signed char SDRAT[4]; +}; +class CJBig2_HTRDProc : public CJBig2_Object +{ +public: + + CJBig2_Image *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + + CJBig2_Image *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); +public: + FX_DWORD HBW, + HBH; + FX_BOOL HMMR; + FX_BYTE HTEMPLATE; + FX_DWORD HNUMPATS; + CJBig2_Image **HPATS; + FX_BOOL HDEFPIXEL; + JBig2ComposeOp HCOMBOP; + FX_BOOL HENABLESKIP; + FX_DWORD HGW, + HGH; + FX_INT32 HGX, + HGY; + FX_WORD HRX, + HRY; + FX_BYTE HPW, + HPH; +}; +class CJBig2_PDDProc : public CJBig2_Object +{ +public: + + CJBig2_PatternDict *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + + CJBig2_PatternDict *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); +public: + FX_BOOL HDMMR; + FX_BYTE HDPW, + HDPH; + FX_DWORD GRAYMAX; + FX_BYTE HDTEMPLATE; +}; +class CJBig2_GSIDProc : public CJBig2_Object +{ +public: + + FX_DWORD *decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause); + + FX_DWORD *decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause); +public: + FX_BOOL GSMMR; + FX_BOOL GSUSESKIP; + FX_BYTE GSBPP; + FX_DWORD GSW, + GSH; + FX_BYTE GSTEMPLATE; + CJBig2_Image *GSKIP; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp index 8199fe7c21..dd820ae4ca 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp @@ -1,55 +1,55 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_HuffmanDecoder.h"
-CJBig2_HuffmanDecoder::CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream)
-{
- m_pStream = pStream;
-}
-CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder()
-{
-}
-int CJBig2_HuffmanDecoder::decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult)
-{
- int nVal, nTmp, i, nBits;
- nVal = 0;
- nBits = 0;
- while(1) {
- if(m_pStream->read1Bit(&nTmp) == -1) {
- return -1;
- }
- nVal = (nVal << 1) | nTmp;
- nBits ++;
- for(i = 0; i < pTable->NTEMP; i++) {
- if((pTable->PREFLEN[i] == nBits) && (pTable->CODES[i] == nVal)) {
- if((pTable->HTOOB == 1) && (i == pTable->NTEMP - 1)) {
- return JBIG2_OOB;
- }
- if(m_pStream->readNBits(pTable->RANGELEN[i], &nTmp) == -1) {
- return -1;
- }
- if(pTable->HTOOB) {
- if(i == pTable->NTEMP - 3) {
- *nResult = pTable->RANGELOW[i] - nTmp;
- return 0;
- } else {
- *nResult = pTable->RANGELOW[i] + nTmp;
- return 0;
- }
- } else {
- if(i == pTable->NTEMP - 2) {
- *nResult = pTable->RANGELOW[i] - nTmp;
- return 0;
- } else {
- *nResult = pTable->RANGELOW[i] + nTmp;
- return 0;
- }
- }
- }
- }
- }
- return -2;
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_HuffmanDecoder.h" +CJBig2_HuffmanDecoder::CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream) +{ + m_pStream = pStream; +} +CJBig2_HuffmanDecoder::~CJBig2_HuffmanDecoder() +{ +} +int CJBig2_HuffmanDecoder::decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult) +{ + int nVal, nTmp, i, nBits; + nVal = 0; + nBits = 0; + while(1) { + if(m_pStream->read1Bit(&nTmp) == -1) { + return -1; + } + nVal = (nVal << 1) | nTmp; + nBits ++; + for(i = 0; i < pTable->NTEMP; i++) { + if((pTable->PREFLEN[i] == nBits) && (pTable->CODES[i] == nVal)) { + if((pTable->HTOOB == 1) && (i == pTable->NTEMP - 1)) { + return JBIG2_OOB; + } + if(m_pStream->readNBits(pTable->RANGELEN[i], &nTmp) == -1) { + return -1; + } + if(pTable->HTOOB) { + if(i == pTable->NTEMP - 3) { + *nResult = pTable->RANGELOW[i] - nTmp; + return 0; + } else { + *nResult = pTable->RANGELOW[i] + nTmp; + return 0; + } + } else { + if(i == pTable->NTEMP - 2) { + *nResult = pTable->RANGELOW[i] - nTmp; + return 0; + } else { + *nResult = pTable->RANGELOW[i] + nTmp; + return 0; + } + } + } + } + } + return -2; +} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h index 38b2021d20..60ec2900d3 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h @@ -1,24 +1,24 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_HUFFMAN_DECODER_H_
-#define _JBIG2_HUFFMAN_DECODER_H_
-#include "JBig2_BitStream.h"
-#include "JBig2_HuffmanTable.h"
-class CJBig2_HuffmanDecoder : public CJBig2_Object
-{
-public:
-
- CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream);
-
- ~CJBig2_HuffmanDecoder();
-
- int decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult);
-private:
-
- CJBig2_BitStream *m_pStream;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_HUFFMAN_DECODER_H_ +#define _JBIG2_HUFFMAN_DECODER_H_ +#include "JBig2_BitStream.h" +#include "JBig2_HuffmanTable.h" +class CJBig2_HuffmanDecoder : public CJBig2_Object +{ +public: + + CJBig2_HuffmanDecoder(CJBig2_BitStream *pStream); + + ~CJBig2_HuffmanDecoder(); + + int decodeAValue(CJBig2_HuffmanTable *pTable, int *nResult); +private: + + CJBig2_BitStream *m_pStream; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp index af4a54988d..0a5bc8e645 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp @@ -1,193 +1,193 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_HuffmanTable.h"
-#include "JBig2_BitStream.h"
-#include <string.h>
-
-CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines,
- FX_BOOL bHTOOB)
-{
- init();
- m_bOK = parseFromStandardTable(pTable, nLines, bHTOOB);
-}
-
-CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream *pStream)
-{
- init();
- m_bOK = parseFromCodedBuffer(pStream);
-}
-
-CJBig2_HuffmanTable::~CJBig2_HuffmanTable()
-{
- if(CODES) {
- m_pModule->JBig2_Free(CODES);
- }
- if(PREFLEN) {
- m_pModule->JBig2_Free(PREFLEN);
- }
- if(RANGELEN) {
- m_pModule->JBig2_Free(RANGELEN);
- }
- if(RANGELOW) {
- m_pModule->JBig2_Free(RANGELOW);
- }
-}
-void CJBig2_HuffmanTable::init()
-{
- HTOOB = FALSE;
- NTEMP = 0;
- CODES = NULL;
- PREFLEN = NULL;
- RANGELEN = NULL;
- RANGELOW = NULL;
-}
-int CJBig2_HuffmanTable::parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB)
-{
- int CURLEN, LENMAX, CURCODE, CURTEMP, i;
- int *LENCOUNT;
- int *FIRSTCODE;
- HTOOB = bHTOOB;
- NTEMP = nLines;
- CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP);
- PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP);
- RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP);
- RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP);
- LENMAX = 0;
- for(i = 0; i < NTEMP; i++) {
- PREFLEN[i] = pTable[i].PREFLEN;
- RANGELEN[i] = pTable[i].RANDELEN;
- RANGELOW[i] = pTable[i].RANGELOW;
- if(PREFLEN[i] > LENMAX) {
- LENMAX = PREFLEN[i];
- }
- }
- LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
- FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- for(i = 0; i < NTEMP; i++) {
- LENCOUNT[PREFLEN[i]] ++;
- }
- CURLEN = 1;
- FIRSTCODE[0] = 0;
- LENCOUNT[0] = 0;
- while(CURLEN <= LENMAX) {
- FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1;
- CURCODE = FIRSTCODE[CURLEN];
- CURTEMP = 0;
- while(CURTEMP < NTEMP) {
- if(PREFLEN[CURTEMP] == CURLEN) {
- CODES[CURTEMP] = CURCODE;
- CURCODE = CURCODE + 1;
- }
- CURTEMP = CURTEMP + 1;
- }
- CURLEN = CURLEN + 1;
- }
- m_pModule->JBig2_Free(LENCOUNT);
- m_pModule->JBig2_Free(FIRSTCODE);
- return 1;
-}
-
-#define HT_CHECK_MEMORY_ADJUST \
- if(NTEMP >= nSize) \
- { \
- nSize += 16; \
- PREFLEN = (int*)m_pModule->JBig2_Realloc(PREFLEN,sizeof(int)*nSize); \
- RANGELEN = (int*)m_pModule->JBig2_Realloc(RANGELEN,sizeof(int)*nSize); \
- RANGELOW = (int*)m_pModule->JBig2_Realloc(RANGELOW,sizeof(int)*nSize); \
- }
-int CJBig2_HuffmanTable::parseFromCodedBuffer(CJBig2_BitStream *pStream)
-{
- unsigned char HTPS, HTRS;
- int HTLOW, HTHIGH;
- int CURRANGELOW;
- int nSize = 16;
- int CURLEN, LENMAX, CURCODE, CURTEMP, i;
- int *LENCOUNT;
- int *FIRSTCODE;
- unsigned char cTemp;
- if(pStream->read1Byte(&cTemp) == -1) {
- goto failed;
- }
- HTOOB = cTemp & 0x01;
- HTPS = ((cTemp >> 1) & 0x07) + 1;
- HTRS = ((cTemp >> 4) & 0x07) + 1;
- if(pStream->readInteger((FX_DWORD*)&HTLOW) == -1 ||
- pStream->readInteger((FX_DWORD*)&HTHIGH) == -1) {
- goto failed;
- }
- PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize);
- RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize);
- RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize);
- CURRANGELOW = HTLOW;
- NTEMP = 0;
- do {
- HT_CHECK_MEMORY_ADJUST
- if((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1)
- || (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) {
- goto failed;
- }
- RANGELOW[NTEMP] = CURRANGELOW;
- CURRANGELOW = CURRANGELOW + (1 << RANGELEN[NTEMP]);
- NTEMP = NTEMP + 1;
- } while(CURRANGELOW < HTHIGH);
- HT_CHECK_MEMORY_ADJUST
- if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) {
- goto failed;
- }
- RANGELEN[NTEMP] = 32;
- RANGELOW[NTEMP] = HTLOW - 1;
- NTEMP = NTEMP + 1;
- HT_CHECK_MEMORY_ADJUST
- if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) {
- goto failed;
- }
- RANGELEN[NTEMP] = 32;
- RANGELOW[NTEMP] = HTHIGH;
- NTEMP = NTEMP + 1;
- if(HTOOB) {
- HT_CHECK_MEMORY_ADJUST
- if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) {
- goto failed;
- }
- NTEMP = NTEMP + 1;
- }
- CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP);
- LENMAX = 0;
- for(i = 0; i < NTEMP; i++) {
- if(PREFLEN[i] > LENMAX) {
- LENMAX = PREFLEN[i];
- }
- }
- LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
- FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
- for(i = 0; i < NTEMP; i++) {
- LENCOUNT[PREFLEN[i]] ++;
- }
- CURLEN = 1;
- FIRSTCODE[0] = 0;
- LENCOUNT[0] = 0;
- while(CURLEN <= LENMAX) {
- FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1;
- CURCODE = FIRSTCODE[CURLEN];
- CURTEMP = 0;
- while(CURTEMP < NTEMP) {
- if(PREFLEN[CURTEMP] == CURLEN) {
- CODES[CURTEMP] = CURCODE;
- CURCODE = CURCODE + 1;
- }
- CURTEMP = CURTEMP + 1;
- }
- CURLEN = CURLEN + 1;
- }
- m_pModule->JBig2_Free(LENCOUNT);
- m_pModule->JBig2_Free(FIRSTCODE);
- return TRUE;
-failed:
- return FALSE;
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_HuffmanTable.h" +#include "JBig2_BitStream.h" +#include <string.h> + +CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines, + FX_BOOL bHTOOB) +{ + init(); + m_bOK = parseFromStandardTable(pTable, nLines, bHTOOB); +} + +CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream *pStream) +{ + init(); + m_bOK = parseFromCodedBuffer(pStream); +} + +CJBig2_HuffmanTable::~CJBig2_HuffmanTable() +{ + if(CODES) { + m_pModule->JBig2_Free(CODES); + } + if(PREFLEN) { + m_pModule->JBig2_Free(PREFLEN); + } + if(RANGELEN) { + m_pModule->JBig2_Free(RANGELEN); + } + if(RANGELOW) { + m_pModule->JBig2_Free(RANGELOW); + } +} +void CJBig2_HuffmanTable::init() +{ + HTOOB = FALSE; + NTEMP = 0; + CODES = NULL; + PREFLEN = NULL; + RANGELEN = NULL; + RANGELOW = NULL; +} +int CJBig2_HuffmanTable::parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB) +{ + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int *LENCOUNT; + int *FIRSTCODE; + HTOOB = bHTOOB; + NTEMP = nLines; + CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + LENMAX = 0; + for(i = 0; i < NTEMP; i++) { + PREFLEN[i] = pTable[i].PREFLEN; + RANGELEN[i] = pTable[i].RANDELEN; + RANGELOW[i] = pTable[i].RANGELOW; + if(PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for(i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]] ++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while(CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while(CURTEMP < NTEMP) { + if(PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); + return 1; +} + +#define HT_CHECK_MEMORY_ADJUST \ + if(NTEMP >= nSize) \ + { \ + nSize += 16; \ + PREFLEN = (int*)m_pModule->JBig2_Realloc(PREFLEN,sizeof(int)*nSize); \ + RANGELEN = (int*)m_pModule->JBig2_Realloc(RANGELEN,sizeof(int)*nSize); \ + RANGELOW = (int*)m_pModule->JBig2_Realloc(RANGELOW,sizeof(int)*nSize); \ + } +int CJBig2_HuffmanTable::parseFromCodedBuffer(CJBig2_BitStream *pStream) +{ + unsigned char HTPS, HTRS; + int HTLOW, HTHIGH; + int CURRANGELOW; + int nSize = 16; + int CURLEN, LENMAX, CURCODE, CURTEMP, i; + int *LENCOUNT; + int *FIRSTCODE; + unsigned char cTemp; + if(pStream->read1Byte(&cTemp) == -1) { + goto failed; + } + HTOOB = cTemp & 0x01; + HTPS = ((cTemp >> 1) & 0x07) + 1; + HTRS = ((cTemp >> 4) & 0x07) + 1; + if(pStream->readInteger((FX_DWORD*)&HTLOW) == -1 || + pStream->readInteger((FX_DWORD*)&HTHIGH) == -1) { + goto failed; + } + PREFLEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + RANGELEN = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + RANGELOW = (int*)m_pModule->JBig2_Malloc2(sizeof(int), nSize); + CURRANGELOW = HTLOW; + NTEMP = 0; + do { + HT_CHECK_MEMORY_ADJUST + if((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) + || (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) { + goto failed; + } + RANGELOW[NTEMP] = CURRANGELOW; + CURRANGELOW = CURRANGELOW + (1 << RANGELEN[NTEMP]); + NTEMP = NTEMP + 1; + } while(CURRANGELOW < HTHIGH); + HT_CHECK_MEMORY_ADJUST + if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; + } + RANGELEN[NTEMP] = 32; + RANGELOW[NTEMP] = HTLOW - 1; + NTEMP = NTEMP + 1; + HT_CHECK_MEMORY_ADJUST + if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; + } + RANGELEN[NTEMP] = 32; + RANGELOW[NTEMP] = HTHIGH; + NTEMP = NTEMP + 1; + if(HTOOB) { + HT_CHECK_MEMORY_ADJUST + if(pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) { + goto failed; + } + NTEMP = NTEMP + 1; + } + CODES = (int*)m_pModule->JBig2_Malloc2(sizeof(int), NTEMP); + LENMAX = 0; + for(i = 0; i < NTEMP; i++) { + if(PREFLEN[i] > LENMAX) { + LENMAX = PREFLEN[i]; + } + } + LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); + FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1)); + for(i = 0; i < NTEMP; i++) { + LENCOUNT[PREFLEN[i]] ++; + } + CURLEN = 1; + FIRSTCODE[0] = 0; + LENCOUNT[0] = 0; + while(CURLEN <= LENMAX) { + FIRSTCODE[CURLEN] = (FIRSTCODE[CURLEN - 1] + LENCOUNT[CURLEN - 1]) << 1; + CURCODE = FIRSTCODE[CURLEN]; + CURTEMP = 0; + while(CURTEMP < NTEMP) { + if(PREFLEN[CURTEMP] == CURLEN) { + CODES[CURTEMP] = CURCODE; + CURCODE = CURCODE + 1; + } + CURTEMP = CURTEMP + 1; + } + CURLEN = CURLEN + 1; + } + m_pModule->JBig2_Free(LENCOUNT); + m_pModule->JBig2_Free(FIRSTCODE); + return TRUE; +failed: + return FALSE; +} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h index df051c28d4..d68ced2fca 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h @@ -1,42 +1,42 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_HUFFMAN_TABLE_H_
-#define _JBIG2_HUFFMAN_TABLE_H_
-#include "JBig2_Module.h"
-#include "JBig2_HuffmanTable_Standard.h"
-#include "JBig2_BitStream.h"
-class CJBig2_HuffmanTable : public CJBig2_Object
-{
-public:
-
- CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB);
-
- CJBig2_HuffmanTable(CJBig2_BitStream *pStream);
-
- ~CJBig2_HuffmanTable();
-
- void init();
-
- int parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB);
-
- int parseFromCodedBuffer(CJBig2_BitStream *pStream);
-
- FX_BOOL isOK()
- {
- return m_bOK;
- }
-private:
- FX_BOOL HTOOB;
- int NTEMP;
- int *CODES;
- int *PREFLEN;
- int *RANGELEN;
- int *RANGELOW;
- FX_BOOL m_bOK;
- friend class CJBig2_HuffmanDecoder;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_HUFFMAN_TABLE_H_ +#define _JBIG2_HUFFMAN_TABLE_H_ +#include "JBig2_Module.h" +#include "JBig2_HuffmanTable_Standard.h" +#include "JBig2_BitStream.h" +class CJBig2_HuffmanTable : public CJBig2_Object +{ +public: + + CJBig2_HuffmanTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB); + + CJBig2_HuffmanTable(CJBig2_BitStream *pStream); + + ~CJBig2_HuffmanTable(); + + void init(); + + int parseFromStandardTable(const JBig2TableLine *pTable, int nLines, FX_BOOL bHTOOB); + + int parseFromCodedBuffer(CJBig2_BitStream *pStream); + + FX_BOOL isOK() + { + return m_bOK; + } +private: + FX_BOOL HTOOB; + int NTEMP; + int *CODES; + int *PREFLEN; + int *RANGELEN; + int *RANGELOW; + FX_BOOL m_bOK; + friend class CJBig2_HuffmanDecoder; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h index f6114364f1..428b2c3671 100644 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h +++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h @@ -1,251 +1,251 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_HUFFMAN_TABLE_STANDARD_H_
-#define _JBIG2_HUFFMAN_TABLE_STANDARD_H_
-typedef struct {
- int PREFLEN;
- int RANDELEN;
- int RANGELOW;
-} JBig2TableLine;
-const FX_BOOL HuffmanTable_HTOOB_B1 = FALSE;
-const JBig2TableLine HuffmanTable_B1[] = {
- { 1, 4, 0 },
- { 2, 8, 16 },
- { 3, 16, 272 },
- { 0, 32, -1 },
- { 3, 32, 65808 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B2 = TRUE;
-const JBig2TableLine HuffmanTable_B2[] = {
- { 1, 0, 0 },
- { 2, 0, 1 },
- { 3, 0, 2 },
- { 4, 3, 3 },
- { 5, 6, 11 },
- { 0, 32, -1 },
- { 6, 32, 75 },
- { 6, 0, 0 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B3 = TRUE;
-const JBig2TableLine HuffmanTable_B3[] = {
- { 8, 8, -256 },
- { 1, 0, 0 },
- { 2, 0, 1 },
- { 3, 0, 2 },
- { 4, 3, 3 },
- { 5, 6, 11 },
- { 8, 32, -257 },
- { 7, 32, 75 },
- { 6, 0, 0 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B4 = FALSE;
-const JBig2TableLine HuffmanTable_B4[] = {
- { 1, 0, 1 },
- { 2, 0, 2 },
- { 3, 0, 3 },
- { 4, 3, 4 },
- { 5, 6, 12 },
- { 0, 32, -1 },
- { 5, 32, 76 },
-};
-const FX_BOOL HuffmanTable_HTOOB_B5 = FALSE;
-const JBig2TableLine HuffmanTable_B5[] = {
- { 7, 8, -255 },
- { 1, 0, 1 },
- { 2, 0, 2 },
- { 3, 0, 3 },
- { 4, 3, 4 },
- { 5, 6, 12 },
- { 7, 32, -256 },
- { 6, 32, 76 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B6 = FALSE;
-const JBig2TableLine HuffmanTable_B6[] = {
- { 5, 10, -2048 },
- { 4, 9, -1024 },
- { 4, 8, -512 },
- { 4, 7, -256 },
- { 5, 6, -128 },
- { 5, 5, -64 },
- { 4, 5, -32 },
- { 2, 7, 0 },
- { 3, 7, 128 },
- { 3, 8, 256 },
- { 4, 9, 512 },
- { 4, 10, 1024 },
- { 6, 32, -2049 },
- { 6, 32, 2048 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B7 = FALSE;
-const JBig2TableLine HuffmanTable_B7[] = {
- { 4, 9, -1024 },
- { 3, 8, -512 },
- { 4, 7, -256 },
- { 5, 6, -128 },
- { 5, 5, -64 },
- { 4, 5, -32 },
- { 4, 5, 0 },
- { 5, 5, 32 },
- { 5, 6, 64 },
- { 4, 7, 128 },
- { 3, 8, 256 },
- { 3, 9, 512 },
- { 3, 10, 1024 },
- { 5, 32, -1025 },
- { 5, 32, 2048 },
-};
-const FX_BOOL HuffmanTable_HTOOB_B8 = TRUE;
-const JBig2TableLine HuffmanTable_B8[] = {
- { 8, 3, -15 },
- { 9, 1, -7 },
- { 8, 1, -5 },
- { 9, 0, -3 },
- { 7, 0, -2 },
- { 4, 0, -1 },
- { 2, 1, 0 },
- { 5, 0, 2 },
- { 6, 0, 3 },
- { 3, 4, 4 },
- { 6, 1, 20 },
- { 4, 4, 22 },
- { 4, 5, 38 },
- { 5, 6, 70 },
- { 5, 7, 134 },
- { 6, 7, 262 },
- { 7, 8, 390 },
- { 6, 10, 646 },
- { 9, 32, -16 },
- { 9, 32, 1670 },
- { 2, 0, 0 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B9 = TRUE;
-const JBig2TableLine HuffmanTable_B9[] = {
- { 8, 4, -31 },
- { 9, 2, -15 },
- { 8, 2, -11 },
- { 9, 1, -7 },
- { 7, 1, -5 },
- { 4, 1, -3 },
- { 3, 1, -1 },
- { 3, 1, 1 },
- { 5, 1, 3 },
- { 6, 1, 5 },
- { 3, 5, 7 },
- { 6, 2, 39 },
- { 4, 5, 43 },
- { 4, 6, 75 },
- { 5, 7, 139 },
- { 5, 8, 267 },
- { 6, 8, 523 },
- { 7, 9, 779 },
- { 6, 11, 1291 },
- { 9, 32, -32 },
- { 9, 32, 3339 },
- { 2, 0, 0 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B10 = TRUE;
-const JBig2TableLine HuffmanTable_B10[] = {
- { 7, 4, -21 },
- { 8, 0, -5 },
- { 7, 0, -4 },
- { 5, 0, -3 },
- { 2, 2, -2 },
- { 5, 0, 2 },
- { 6, 0, 3 },
- { 7, 0, 4 },
- { 8, 0, 5 },
- { 2, 6, 6 },
- { 5, 5, 70 },
- { 6, 5, 102 },
- { 6, 6, 134 },
- { 6, 7, 198 },
- { 6, 8, 326 },
- { 6, 9, 582 },
- { 6, 10, 1094 },
- { 7, 11, 2118 },
- { 8, 32, -22 },
- { 8, 32, 4166 },
- { 2, 0, 0 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B11 = FALSE;
-const JBig2TableLine HuffmanTable_B11[] = {
- { 1, 0, 1 },
- { 2, 1, 2 },
- { 4, 0, 4 },
- { 4, 1, 5 },
- { 5, 1, 7 },
- { 5, 2, 9 },
- { 6, 2, 13 },
- { 7, 2, 17 },
- { 7, 3, 21 },
- { 7, 4, 29 },
- { 7, 5, 45 },
- { 7, 6, 77 },
- { 0, 32, 0 },
- { 7, 32, 141 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B12 = FALSE;
-const JBig2TableLine HuffmanTable_B12[] = {
- { 1, 0, 1 },
- { 2, 0, 2 },
- { 3, 1, 3 },
- { 5, 0, 5 },
- { 5, 1, 6 },
- { 6, 1, 8 },
- { 7, 0, 10 },
- { 7, 1, 11 },
- { 7, 2, 13 },
- { 7, 3, 17 },
- { 7, 4, 25 },
- { 8, 5, 41 },
- { 0, 32, 0 },
- { 8, 32, 73 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B13 = FALSE;
-const JBig2TableLine HuffmanTable_B13[] = {
- { 1, 0, 1 },
- { 3, 0, 2 },
- { 4, 0, 3 },
- { 5, 0, 4 },
- { 4, 1, 5 },
- { 3, 3, 7 },
- { 6, 1, 15 },
- { 6, 2, 17 },
- { 6, 3, 21 },
- { 6, 4, 29 },
- { 6, 5, 45 },
- { 7, 6, 77 },
- { 0, 32, 0 },
- { 7, 32, 141 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B14 = FALSE;
-const JBig2TableLine HuffmanTable_B14[] = {
- { 3, 0, -2 },
- { 3, 0, -1 },
- { 1, 0, 0 },
- { 3, 0, 1 },
- { 3, 0, 2 },
- { 0, 32, -3 },
- { 0, 32, 3 }
-};
-const FX_BOOL HuffmanTable_HTOOB_B15 = FALSE;
-const JBig2TableLine HuffmanTable_B15[] = {
- { 7, 4, -24 },
- { 6, 2, -8 },
- { 5, 1, -4 },
- { 4, 0, -2 },
- { 3, 0, -1 },
- { 1, 0, 0 },
- { 3, 0, 1 },
- { 4, 0, 2 },
- { 5, 1, 3 },
- { 6, 2, 5 },
- { 7, 4, 9 },
- { 7, 32, -25 },
- { 7, 32, 25 }
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_HUFFMAN_TABLE_STANDARD_H_ +#define _JBIG2_HUFFMAN_TABLE_STANDARD_H_ +typedef struct { + int PREFLEN; + int RANDELEN; + int RANGELOW; +} JBig2TableLine; +const FX_BOOL HuffmanTable_HTOOB_B1 = FALSE; +const JBig2TableLine HuffmanTable_B1[] = { + { 1, 4, 0 }, + { 2, 8, 16 }, + { 3, 16, 272 }, + { 0, 32, -1 }, + { 3, 32, 65808 } +}; +const FX_BOOL HuffmanTable_HTOOB_B2 = TRUE; +const JBig2TableLine HuffmanTable_B2[] = { + { 1, 0, 0 }, + { 2, 0, 1 }, + { 3, 0, 2 }, + { 4, 3, 3 }, + { 5, 6, 11 }, + { 0, 32, -1 }, + { 6, 32, 75 }, + { 6, 0, 0 } +}; +const FX_BOOL HuffmanTable_HTOOB_B3 = TRUE; +const JBig2TableLine HuffmanTable_B3[] = { + { 8, 8, -256 }, + { 1, 0, 0 }, + { 2, 0, 1 }, + { 3, 0, 2 }, + { 4, 3, 3 }, + { 5, 6, 11 }, + { 8, 32, -257 }, + { 7, 32, 75 }, + { 6, 0, 0 } +}; +const FX_BOOL HuffmanTable_HTOOB_B4 = FALSE; +const JBig2TableLine HuffmanTable_B4[] = { + { 1, 0, 1 }, + { 2, 0, 2 }, + { 3, 0, 3 }, + { 4, 3, 4 }, + { 5, 6, 12 }, + { 0, 32, -1 }, + { 5, 32, 76 }, +}; +const FX_BOOL HuffmanTable_HTOOB_B5 = FALSE; +const JBig2TableLine HuffmanTable_B5[] = { + { 7, 8, -255 }, + { 1, 0, 1 }, + { 2, 0, 2 }, + { 3, 0, 3 }, + { 4, 3, 4 }, + { 5, 6, 12 }, + { 7, 32, -256 }, + { 6, 32, 76 } +}; +const FX_BOOL HuffmanTable_HTOOB_B6 = FALSE; +const JBig2TableLine HuffmanTable_B6[] = { + { 5, 10, -2048 }, + { 4, 9, -1024 }, + { 4, 8, -512 }, + { 4, 7, -256 }, + { 5, 6, -128 }, + { 5, 5, -64 }, + { 4, 5, -32 }, + { 2, 7, 0 }, + { 3, 7, 128 }, + { 3, 8, 256 }, + { 4, 9, 512 }, + { 4, 10, 1024 }, + { 6, 32, -2049 }, + { 6, 32, 2048 } +}; +const FX_BOOL HuffmanTable_HTOOB_B7 = FALSE; +const JBig2TableLine HuffmanTable_B7[] = { + { 4, 9, -1024 }, + { 3, 8, -512 }, + { 4, 7, -256 }, + { 5, 6, -128 }, + { 5, 5, -64 }, + { 4, 5, -32 }, + { 4, 5, 0 }, + { 5, 5, 32 }, + { 5, 6, 64 }, + { 4, 7, 128 }, + { 3, 8, 256 }, + { 3, 9, 512 }, + { 3, 10, 1024 }, + { 5, 32, -1025 }, + { 5, 32, 2048 }, +}; +const FX_BOOL HuffmanTable_HTOOB_B8 = TRUE; +const JBig2TableLine HuffmanTable_B8[] = { + { 8, 3, -15 }, + { 9, 1, -7 }, + { 8, 1, -5 }, + { 9, 0, -3 }, + { 7, 0, -2 }, + { 4, 0, -1 }, + { 2, 1, 0 }, + { 5, 0, 2 }, + { 6, 0, 3 }, + { 3, 4, 4 }, + { 6, 1, 20 }, + { 4, 4, 22 }, + { 4, 5, 38 }, + { 5, 6, 70 }, + { 5, 7, 134 }, + { 6, 7, 262 }, + { 7, 8, 390 }, + { 6, 10, 646 }, + { 9, 32, -16 }, + { 9, 32, 1670 }, + { 2, 0, 0 } +}; +const FX_BOOL HuffmanTable_HTOOB_B9 = TRUE; +const JBig2TableLine HuffmanTable_B9[] = { + { 8, 4, -31 }, + { 9, 2, -15 }, + { 8, 2, -11 }, + { 9, 1, -7 }, + { 7, 1, -5 }, + { 4, 1, -3 }, + { 3, 1, -1 }, + { 3, 1, 1 }, + { 5, 1, 3 }, + { 6, 1, 5 }, + { 3, 5, 7 }, + { 6, 2, 39 }, + { 4, 5, 43 }, + { 4, 6, 75 }, + { 5, 7, 139 }, + { 5, 8, 267 }, + { 6, 8, 523 }, + { 7, 9, 779 }, + { 6, 11, 1291 }, + { 9, 32, -32 }, + { 9, 32, 3339 }, + { 2, 0, 0 } +}; +const FX_BOOL HuffmanTable_HTOOB_B10 = TRUE; +const JBig2TableLine HuffmanTable_B10[] = { + { 7, 4, -21 }, + { 8, 0, -5 }, + { 7, 0, -4 }, + { 5, 0, -3 }, + { 2, 2, -2 }, + { 5, 0, 2 }, + { 6, 0, 3 }, + { 7, 0, 4 }, + { 8, 0, 5 }, + { 2, 6, 6 }, + { 5, 5, 70 }, + { 6, 5, 102 }, + { 6, 6, 134 }, + { 6, 7, 198 }, + { 6, 8, 326 }, + { 6, 9, 582 }, + { 6, 10, 1094 }, + { 7, 11, 2118 }, + { 8, 32, -22 }, + { 8, 32, 4166 }, + { 2, 0, 0 } +}; +const FX_BOOL HuffmanTable_HTOOB_B11 = FALSE; +const JBig2TableLine HuffmanTable_B11[] = { + { 1, 0, 1 }, + { 2, 1, 2 }, + { 4, 0, 4 }, + { 4, 1, 5 }, + { 5, 1, 7 }, + { 5, 2, 9 }, + { 6, 2, 13 }, + { 7, 2, 17 }, + { 7, 3, 21 }, + { 7, 4, 29 }, + { 7, 5, 45 }, + { 7, 6, 77 }, + { 0, 32, 0 }, + { 7, 32, 141 } +}; +const FX_BOOL HuffmanTable_HTOOB_B12 = FALSE; +const JBig2TableLine HuffmanTable_B12[] = { + { 1, 0, 1 }, + { 2, 0, 2 }, + { 3, 1, 3 }, + { 5, 0, 5 }, + { 5, 1, 6 }, + { 6, 1, 8 }, + { 7, 0, 10 }, + { 7, 1, 11 }, + { 7, 2, 13 }, + { 7, 3, 17 }, + { 7, 4, 25 }, + { 8, 5, 41 }, + { 0, 32, 0 }, + { 8, 32, 73 } +}; +const FX_BOOL HuffmanTable_HTOOB_B13 = FALSE; +const JBig2TableLine HuffmanTable_B13[] = { + { 1, 0, 1 }, + { 3, 0, 2 }, + { 4, 0, 3 }, + { 5, 0, 4 }, + { 4, 1, 5 }, + { 3, 3, 7 }, + { 6, 1, 15 }, + { 6, 2, 17 }, + { 6, 3, 21 }, + { 6, 4, 29 }, + { 6, 5, 45 }, + { 7, 6, 77 }, + { 0, 32, 0 }, + { 7, 32, 141 } +}; +const FX_BOOL HuffmanTable_HTOOB_B14 = FALSE; +const JBig2TableLine HuffmanTable_B14[] = { + { 3, 0, -2 }, + { 3, 0, -1 }, + { 1, 0, 0 }, + { 3, 0, 1 }, + { 3, 0, 2 }, + { 0, 32, -3 }, + { 0, 32, 3 } +}; +const FX_BOOL HuffmanTable_HTOOB_B15 = FALSE; +const JBig2TableLine HuffmanTable_B15[] = { + { 7, 4, -24 }, + { 6, 2, -8 }, + { 5, 1, -4 }, + { 4, 0, -2 }, + { 3, 0, -1 }, + { 1, 0, 0 }, + { 3, 0, 1 }, + { 4, 0, 2 }, + { 5, 1, 3 }, + { 6, 2, 5 }, + { 7, 4, 9 }, + { 7, 32, -25 }, + { 7, 32, 25 } +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp index 1719028176..09353c0e81 100644 --- a/core/src/fxcodec/jbig2/JBig2_Image.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Image.cpp @@ -1,1619 +1,1619 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_Image.h"
-#include "../../../include/fxcrt/fx_basic.h"
-#include "../../../include/fxcrt/fx_coordinates.h"
-#include <limits.h>
-CJBig2_Image::CJBig2_Image(FX_INT32 w, FX_INT32 h)
-{
- m_nWidth = w;
- m_nHeight = h;
- if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) {
- m_pData = NULL;
- m_bNeedFree = FALSE;
- return;
- }
- m_nStride = ((w + 31) >> 5) << 2;
- if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) {
- m_pData = (FX_BYTE *)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight);
- } else {
- m_pData = NULL;
- }
- m_bNeedFree = TRUE;
-}
-CJBig2_Image::CJBig2_Image(FX_INT32 w, FX_INT32 h, FX_INT32 stride, FX_BYTE*pBuf)
-{
- m_nWidth = w;
- m_nHeight = h;
- m_nStride = stride;
- m_pData = pBuf;
- m_bNeedFree = FALSE;
-}
-CJBig2_Image::CJBig2_Image(CJBig2_Image &im)
-{
- m_pModule = im.m_pModule;
- m_nWidth = im.m_nWidth;
- m_nHeight = im.m_nHeight;
- m_nStride = im.m_nStride;
- if (im.m_pData) {
- m_pData = (FX_BYTE*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight);
- JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight);
- } else {
- m_pData = NULL;
- }
- m_bNeedFree = TRUE;
-}
-CJBig2_Image::~CJBig2_Image()
-{
- if(m_bNeedFree && m_pData) {
- m_pModule->JBig2_Free(m_pData);
- }
-}
-FX_BOOL CJBig2_Image::getPixel(FX_INT32 x, FX_INT32 y)
-{
- if (!m_pData) {
- return 0;
- }
- FX_INT32 m, n;
- if(x < 0 || x >= m_nWidth) {
- return 0;
- }
- if(y < 0 || y >= m_nHeight) {
- return 0;
- }
- m = y * m_nStride + (x >> 3);
- n = x & 7;
- return ((m_pData[m] >> (7 - n)) & 1);
-}
-
-FX_INT32 CJBig2_Image::setPixel(FX_INT32 x, FX_INT32 y, FX_BOOL v)
-{
- if (!m_pData) {
- return 0;
- }
- FX_INT32 m, n;
- if(x < 0 || x >= m_nWidth) {
- return 0;
- }
- if(y < 0 || y >= m_nHeight) {
- return 0;
- }
- m = y * m_nStride + (x >> 3);
- n = x & 7;
- if(v) {
- m_pData[m] |= 1 << (7 - n);
- } else {
- m_pData[m] &= ~(1 << (7 - n));
- }
- return 1;
-}
-void CJBig2_Image::copyLine(FX_INT32 hTo, FX_INT32 hFrom)
-{
- if (!m_pData) {
- return;
- }
- if(hFrom < 0 || hFrom >= m_nHeight) {
- JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride);
- } else {
- JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride, m_nStride);
- }
-}
-void CJBig2_Image::fill(FX_BOOL v)
-{
- if (!m_pData) {
- return;
- }
- JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight);
-}
-FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op)
-{
- if (!m_pData) {
- return FALSE;
- }
- return composeTo_opt2(pDst, x, y, op);
-}
-FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect)
-{
- if (!m_pData) {
- return FALSE;
- }
- if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) {
- return composeTo_opt2(pDst, x, y, op);
- }
- return composeTo_opt2(pDst, x, y, op, pSrcRect);
-}
-FX_BOOL CJBig2_Image::composeTo_unopt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op)
-{
- FX_INT32 w, h, dx, dy;
- FX_INT32 i, j;
- w = m_nWidth;
- h = m_nHeight;
- dx = dy = 0;
- if(x < 0) {
- dx += -x;
- w -= -x;
- x = 0;
- }
- if(y < 0) {
- dy += -y;
- h -= -y;
- y = 0;
- }
- if(x + w > pDst->m_nWidth) {
- w = pDst->m_nWidth - x;
- }
- if(y + h > pDst->m_nHeight) {
- h = pDst->m_nHeight - y;
- }
- switch(op) {
- case JBIG2_COMPOSE_OR:
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pDst->setPixel(x + i, y + j,
- (getPixel(i + dx, j + dy) | pDst->getPixel(x + i, y + j)) & 1);
- }
- }
- break;
- case JBIG2_COMPOSE_AND:
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pDst->setPixel(x + i, y + j,
- (getPixel(i + dx, j + dy) & pDst->getPixel(x + i, y + j)) & 1);
- }
- }
- break;
- case JBIG2_COMPOSE_XOR:
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pDst->setPixel(x + i, y + j,
- (getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j)) & 1);
- }
- }
- break;
- case JBIG2_COMPOSE_XNOR:
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pDst->setPixel(x + i, y + j,
- (~(getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j))) & 1);
- }
- }
- break;
- case JBIG2_COMPOSE_REPLACE:
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pDst->setPixel(x + i, y + j, getPixel(i + dx, j + dy));
- }
- }
- break;
- }
- return TRUE;
-}
-
-FX_BOOL CJBig2_Image::composeTo_opt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op)
-{
- FX_INT32 x0, x1, y0, y1, xx, yy;
- FX_BYTE *pLineSrc, *pLineDst, *srcPtr, *destPtr;
- FX_DWORD src0, src1, src, dest, s1, s2, m1, m2, m3;
- FX_BOOL oneByte;
- if (!m_pData) {
- return FALSE;
- }
- if (y < 0) {
- y0 = -y;
- } else {
- y0 = 0;
- }
- if (y + m_nHeight > pDst->m_nHeight) {
- y1 = pDst->m_nHeight - y;
- } else {
- y1 = m_nHeight;
- }
- if (y0 >= y1) {
- return FALSE;
- }
- if (x >= 0) {
- x0 = x & ~7;
- } else {
- x0 = 0;
- }
- x1 = x + m_nWidth;
- if (x1 > pDst->m_nWidth) {
- x1 = pDst->m_nWidth;
- }
- if (x0 >= x1) {
- return FALSE;
- }
- s1 = x & 7;
- s2 = 8 - s1;
- m1 = 0xff >> (x1 & 7);
- m2 = 0xff << (((x1 & 7) == 0) ? 0 : 8 - (x1 & 7));
- m3 = (0xff >> s1) & m2;
- oneByte = x0 == ((x1 - 1) & ~7);
- pLineDst = pDst->m_pData + y * pDst->m_nStride;
- pLineSrc = m_pData + y0 * m_nStride;
- if(oneByte) {
- if(x >= 0) {
- switch(op) {
- case JBIG2_COMPOSE_OR: {
- for (yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- dest = *destPtr;
- dest |= (*srcPtr >> s1) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_AND: {
- for (yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- dest = *destPtr;
- dest &= ((0xff00 | *srcPtr) >> s1) | m1;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XOR: {
- for (yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- dest = *destPtr;
- dest ^= (*srcPtr >> s1) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XNOR: {
- for (yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- dest = *destPtr;
- dest ^= ((*srcPtr ^ 0xff) >> s1) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_REPLACE: {
- for (yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- dest = *destPtr;
- dest = (dest & ~m3) | ((*srcPtr >> s1) & m3);
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- }
- } else {
- switch(op) {
- case JBIG2_COMPOSE_OR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- dest = *destPtr;
- dest |= *srcPtr & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_AND: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- dest = *destPtr;
- dest &= *srcPtr | m1;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- dest = *destPtr;
- dest ^= *srcPtr & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XNOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- dest = *destPtr;
- dest ^= (*srcPtr ^ 0xff) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_REPLACE: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- dest = *destPtr;
- dest = (*srcPtr & m2) | (dest & m1);
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- }
- }
- } else {
- if(x >= 0) {
- switch(op) {
- case JBIG2_COMPOSE_OR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- src1 = *srcPtr++;
- dest = *destPtr;
- dest |= src1 >> s1;
- *destPtr++ = (FX_BYTE)dest;
- xx = x0 + 8;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest |= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest |= src & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_AND: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- src1 = *srcPtr++;
- dest = *destPtr;
- dest &= (0xff00 | src1) >> s1;
- *destPtr++ = (FX_BYTE)dest;
- xx = x0 + 8;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest &= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest &= src | m1;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- src1 = *srcPtr++;
- dest = *destPtr;
- dest ^= src1 >> s1;
- *destPtr++ = (FX_BYTE)dest;
- xx = x0 + 8;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XNOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- src1 = *srcPtr++;
- dest = *destPtr;
- dest ^= (src1 ^ 0xff) >> s1;
- *destPtr++ = (FX_BYTE)dest;
- xx = x0 + 8;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src ^ 0xff;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= (src ^ 0xff) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_REPLACE: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst + (x >> 3);
- srcPtr = pLineSrc;
- src1 = *srcPtr++;
- dest = *destPtr;
- dest = (dest & (0xff << s2)) | (src1 >> s1);
- *destPtr++ = (FX_BYTE)dest;
- xx = x0 + 8;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest = src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest = (src & m2) | (dest & m1);
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- }
- } else {
- switch(op) {
- case JBIG2_COMPOSE_OR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- src1 = *srcPtr++;
- xx = x0;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest |= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest |= src & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_AND: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- src1 = *srcPtr++;
- xx = x0;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest &= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest &= src | m1;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- src1 = *srcPtr++;
- xx = x0;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_XNOR: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- src1 = *srcPtr++;
- xx = x0;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= src ^ 0xff;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest ^= (src ^ 0xff) & m2;
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- case JBIG2_COMPOSE_REPLACE: {
- for(yy = y0; yy < y1; ++yy) {
- destPtr = pLineDst;
- srcPtr = pLineSrc + (-x >> 3);
- src1 = *srcPtr++;
- xx = x0;
- for (; xx < x1 - 8; xx += 8) {
- dest = *destPtr;
- src0 = src1;
- src1 = *srcPtr++;
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest = src;
- *destPtr++ = (FX_BYTE)dest;
- }
- dest = *destPtr;
- src0 = src1;
- if(srcPtr - pLineSrc < m_nStride) {
- src1 = *srcPtr++;
- } else {
- src1 = 0;
- }
- src = (((src0 << 8) | src1) >> s1) & 0xff;
- dest = (src & m2) | (dest & m1);
- *destPtr = (FX_BYTE)dest;
- pLineDst += pDst->m_nStride;
- pLineSrc += m_nStride;
- }
- }
- break;
- }
- }
- }
- return TRUE;
-}
-FX_BOOL CJBig2_Image::composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op)
-{
- if (!m_pData) {
- return FALSE;
- }
- return pSrc->composeTo(this, x, y, op);
-}
-FX_BOOL CJBig2_Image::composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect)
-{
- if (!m_pData) {
- return FALSE;
- }
- return pSrc->composeTo(this, x, y, op, pSrcRect);
-}
-CJBig2_Image *CJBig2_Image::subImage_unopt(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h)
-{
- CJBig2_Image *pImage;
- FX_INT32 i, j;
- JBIG2_ALLOC(pImage, CJBig2_Image(w, h));
- for(j = 0; j < h; j++) {
- for(i = 0; i < w; i++) {
- pImage->setPixel(i, j, getPixel(x + i, y + j));
- }
- }
- return pImage;
-}
-#define JBIG2_GETDWORD(buf) ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3]))
-CJBig2_Image *CJBig2_Image::subImage(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h)
-{
- CJBig2_Image *pImage;
- FX_INT32 m, n, j;
- FX_BYTE *pLineSrc, *pLineDst;
- FX_DWORD wTmp;
- FX_BYTE *pSrc, *pSrcEnd, *pDst, *pDstEnd;
- if (w == 0 || h == 0) {
- return NULL;
- }
- JBIG2_ALLOC(pImage, CJBig2_Image(w, h));
- if (!m_pData) {
- pImage->fill(0);
- return pImage;
- }
- if (!pImage->m_pData) {
- return pImage;
- }
- pLineSrc = m_pData + m_nStride * y;
- pLineDst = pImage->m_pData;
- m = (x >> 5) << 2;
- n = x & 31;
- if(n == 0) {
- for(j = 0; j < h; j++) {
- pSrc = pLineSrc + m;
- pSrcEnd = pLineSrc + m_nStride;
- pDst = pLineDst;
- pDstEnd = pLineDst + pImage->m_nStride;
- for(; pDst < pDstEnd; pSrc += 4, pDst += 4) {
- *((FX_DWORD *)pDst) = *((FX_DWORD *)pSrc);
- }
- pLineSrc += m_nStride;
- pLineDst += pImage->m_nStride;
- }
- } else {
- for(j = 0; j < h; j++) {
- pSrc = pLineSrc + m;
- pSrcEnd = pLineSrc + m_nStride;
- pDst = pLineDst;
- pDstEnd = pLineDst + pImage->m_nStride;
- for(; pDst < pDstEnd; pSrc += 4, pDst += 4) {
- if(pSrc + 4 < pSrcEnd) {
- wTmp = (JBIG2_GETDWORD(pSrc) << n) | (JBIG2_GETDWORD(pSrc + 4) >> (32 - n));
- } else {
- wTmp = JBIG2_GETDWORD(pSrc) << n;
- }
- pDst[0] = (FX_BYTE)(wTmp >> 24);
- pDst[1] = (FX_BYTE)(wTmp >> 16);
- pDst[2] = (FX_BYTE)(wTmp >> 8);
- pDst[3] = (FX_BYTE)wTmp;
- }
- pLineSrc += m_nStride;
- pLineDst += pImage->m_nStride;
- }
- }
- return pImage;
-}
-void CJBig2_Image::expand(FX_INT32 h, FX_BOOL v)
-{
- if (!m_pData) {
- return;
- }
- m_pData = (FX_BYTE*)m_pModule->JBig2_Realloc(m_pData, h * m_nStride);
- if(h > m_nHeight) {
- JBIG2_memset(m_pData + m_nHeight * m_nStride, v ? 0xff : 0, (h - m_nHeight)*m_nStride);
- }
- m_nHeight = h;
-}
-FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op)
-{
- FX_INT32 xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, lineLeft;
- FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, maskM;
- FX_BYTE *lineSrc, *lineDst, *sp, *dp;
- if (!m_pData) {
- return FALSE;
- }
- if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) {
- return FALSE;
- }
- if(y < 0) {
- ys0 = -y;
- } else {
- ys0 = 0;
- }
- if(y + m_nHeight > pDst->m_nHeight) {
- ys1 = pDst->m_nHeight - y;
- } else {
- ys1 = m_nHeight;
- }
- if(x < 0) {
- xs0 = -x;
- } else {
- xs0 = 0;
- }
- if(x + m_nWidth > pDst->m_nWidth) {
- xs1 = pDst->m_nWidth - x;
- } else {
- xs1 = m_nWidth;
- }
- if((ys0 >= ys1) || (xs0 >= xs1)) {
- return 0;
- }
- w = xs1 - xs0;
- h = ys1 - ys0;
- if(y < 0) {
- yd0 = 0;
- } else {
- yd0 = y;
- }
- if(x < 0) {
- xd0 = 0;
- } else {
- xd0 = x;
- }
- xd1 = xd0 + w;
- yd1 = yd0 + h;
- d1 = xd0 & 31;
- d2 = xd1 & 31;
- s1 = xs0 & 31;
- maskL = 0xffffffff >> d1;
- maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32);
- maskM = maskL & maskR;
- lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2);
- lineLeft = m_nStride - ((xs0 >> 5) << 2);
- lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2);
- if((xd0 & ~31) == ((xd1 - 1) & ~31)) {
- if((xs0 & ~31) == ((xs1 - 1) & ~31)) {
- if(s1 > d1) {
- shift = s1 - d1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) << shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift = d1 - s1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) >> shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- if(s1 > d1) {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (
- ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else if(s1 == d1) {
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift1 = d1 - s1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp) >> shift1;
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) | (
- ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- }
- return 1;
-}
-FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect)
-{
- FX_INT32 xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, lineLeft;
- FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, maskM;
- FX_BYTE *lineSrc, *lineDst, *sp, *dp;
- FX_INT32 sw, sh;
- if (!m_pData) {
- return FALSE;
- }
- if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) {
- return FALSE;
- }
- sw = pSrcRect->Width();
- sh = pSrcRect->Height();
- if(y < 0) {
- ys0 = -y;
- } else {
- ys0 = 0;
- }
- if(y + sh > pDst->m_nHeight) {
- ys1 = pDst->m_nHeight - y;
- } else {
- ys1 = sh;
- }
- if(x < 0) {
- xs0 = -x;
- } else {
- xs0 = 0;
- }
- if(x + sw > pDst->m_nWidth) {
- xs1 = pDst->m_nWidth - x;
- } else {
- xs1 = sw;
- }
- if((ys0 >= ys1) || (xs0 >= xs1)) {
- return 0;
- }
- w = xs1 - xs0;
- h = ys1 - ys0;
- if(y < 0) {
- yd0 = 0;
- } else {
- yd0 = y;
- }
- if(x < 0) {
- xd0 = 0;
- } else {
- xd0 = x;
- }
- xd1 = xd0 + w;
- yd1 = yd0 + h;
- d1 = xd0 & 31;
- d2 = xd1 & 31;
- s1 = xs0 & 31;
- maskL = 0xffffffff >> d1;
- maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32);
- maskM = maskL & maskR;
- lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride + (((xs0 + pSrcRect->left) >> 5) << 2);
- lineLeft = m_nStride - ((xs0 >> 5) << 2);
- lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2);
- if((xd0 & ~31) == ((xd1 - 1) & ~31)) {
- if((xs0 & ~31) == ((xs1 - 1) & ~31)) {
- if(s1 > d1) {
- shift = s1 - d1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) << shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift = d1 - s1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = JBIG2_GETDWORD(lineSrc) >> shift;
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- for(yy = yd0; yy < yd1; yy++) {
- tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(lineDst);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskM) | (tmp1 & maskM);
- break;
- }
- lineDst[0] = (FX_BYTE)(tmp >> 24);
- lineDst[1] = (FX_BYTE)(tmp >> 16);
- lineDst[2] = (FX_BYTE)(tmp >> 8);
- lineDst[3] = (FX_BYTE)tmp;
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- } else {
- if(s1 > d1) {
- shift1 = s1 - d1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (
- ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else if(s1 == d1) {
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = JBIG2_GETDWORD(sp);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- } else {
- shift1 = d1 - s1;
- shift2 = 32 - shift1;
- middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5);
- for(yy = yd0; yy < yd1; yy++) {
- sp = lineSrc;
- dp = lineDst;
- if(d1 != 0) {
- tmp1 = JBIG2_GETDWORD(sp) >> shift1;
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskL) | (tmp1 & maskL);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- dp += 4;
- }
- for(xx = 0; xx < middleDwords; xx++) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = tmp1 | tmp2;
- break;
- case JBIG2_COMPOSE_AND:
- tmp = tmp1 & tmp2;
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = tmp1 ^ tmp2;
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = ~(tmp1 ^ tmp2);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = tmp1;
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- sp += 4;
- dp += 4;
- }
- if(d2 != 0) {
- tmp1 = (JBIG2_GETDWORD(sp) << shift2) | (
- ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1);
- tmp2 = JBIG2_GETDWORD(dp);
- switch(op) {
- case JBIG2_COMPOSE_OR:
- tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_AND:
- tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XOR:
- tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR);
- break;
- case JBIG2_COMPOSE_XNOR:
- tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR);
- break;
- case JBIG2_COMPOSE_REPLACE:
- tmp = (tmp2 & ~maskR) | (tmp1 & maskR);
- break;
- }
- dp[0] = (FX_BYTE)(tmp >> 24);
- dp[1] = (FX_BYTE)(tmp >> 16);
- dp[2] = (FX_BYTE)(tmp >> 8);
- dp[3] = (FX_BYTE)tmp;
- }
- lineSrc += m_nStride;
- lineDst += pDst->m_nStride;
- }
- }
- }
- return 1;
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_Image.h" +#include "../../../include/fxcrt/fx_basic.h" +#include "../../../include/fxcrt/fx_coordinates.h" +#include <limits.h> +CJBig2_Image::CJBig2_Image(FX_INT32 w, FX_INT32 h) +{ + m_nWidth = w; + m_nHeight = h; + if (m_nWidth <= 0 || m_nHeight <= 0 || m_nWidth > INT_MAX - 31) { + m_pData = NULL; + m_bNeedFree = FALSE; + return; + } + m_nStride = ((w + 31) >> 5) << 2; + if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) { + m_pData = (FX_BYTE *)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); + } else { + m_pData = NULL; + } + m_bNeedFree = TRUE; +} +CJBig2_Image::CJBig2_Image(FX_INT32 w, FX_INT32 h, FX_INT32 stride, FX_BYTE*pBuf) +{ + m_nWidth = w; + m_nHeight = h; + m_nStride = stride; + m_pData = pBuf; + m_bNeedFree = FALSE; +} +CJBig2_Image::CJBig2_Image(CJBig2_Image &im) +{ + m_pModule = im.m_pModule; + m_nWidth = im.m_nWidth; + m_nHeight = im.m_nHeight; + m_nStride = im.m_nStride; + if (im.m_pData) { + m_pData = (FX_BYTE*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight); + JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight); + } else { + m_pData = NULL; + } + m_bNeedFree = TRUE; +} +CJBig2_Image::~CJBig2_Image() +{ + if(m_bNeedFree && m_pData) { + m_pModule->JBig2_Free(m_pData); + } +} +FX_BOOL CJBig2_Image::getPixel(FX_INT32 x, FX_INT32 y) +{ + if (!m_pData) { + return 0; + } + FX_INT32 m, n; + if(x < 0 || x >= m_nWidth) { + return 0; + } + if(y < 0 || y >= m_nHeight) { + return 0; + } + m = y * m_nStride + (x >> 3); + n = x & 7; + return ((m_pData[m] >> (7 - n)) & 1); +} + +FX_INT32 CJBig2_Image::setPixel(FX_INT32 x, FX_INT32 y, FX_BOOL v) +{ + if (!m_pData) { + return 0; + } + FX_INT32 m, n; + if(x < 0 || x >= m_nWidth) { + return 0; + } + if(y < 0 || y >= m_nHeight) { + return 0; + } + m = y * m_nStride + (x >> 3); + n = x & 7; + if(v) { + m_pData[m] |= 1 << (7 - n); + } else { + m_pData[m] &= ~(1 << (7 - n)); + } + return 1; +} +void CJBig2_Image::copyLine(FX_INT32 hTo, FX_INT32 hFrom) +{ + if (!m_pData) { + return; + } + if(hFrom < 0 || hFrom >= m_nHeight) { + JBIG2_memset(m_pData + hTo * m_nStride, 0, m_nStride); + } else { + JBIG2_memcpy(m_pData + hTo * m_nStride, m_pData + hFrom * m_nStride, m_nStride); + } +} +void CJBig2_Image::fill(FX_BOOL v) +{ + if (!m_pData) { + return; + } + JBIG2_memset(m_pData, v ? 0xff : 0, m_nStride * m_nHeight); +} +FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op) +{ + if (!m_pData) { + return FALSE; + } + return composeTo_opt2(pDst, x, y, op); +} +FX_BOOL CJBig2_Image::composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect) +{ + if (!m_pData) { + return FALSE; + } + if (NULL == pSrcRect || *pSrcRect == FX_RECT(0, 0, m_nWidth, m_nHeight)) { + return composeTo_opt2(pDst, x, y, op); + } + return composeTo_opt2(pDst, x, y, op, pSrcRect); +} +FX_BOOL CJBig2_Image::composeTo_unopt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op) +{ + FX_INT32 w, h, dx, dy; + FX_INT32 i, j; + w = m_nWidth; + h = m_nHeight; + dx = dy = 0; + if(x < 0) { + dx += -x; + w -= -x; + x = 0; + } + if(y < 0) { + dy += -y; + h -= -y; + y = 0; + } + if(x + w > pDst->m_nWidth) { + w = pDst->m_nWidth - x; + } + if(y + h > pDst->m_nHeight) { + h = pDst->m_nHeight - y; + } + switch(op) { + case JBIG2_COMPOSE_OR: + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, + (getPixel(i + dx, j + dy) | pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_AND: + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, + (getPixel(i + dx, j + dy) & pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_XOR: + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, + (getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j)) & 1); + } + } + break; + case JBIG2_COMPOSE_XNOR: + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, + (~(getPixel(i + dx, j + dy) ^ pDst->getPixel(x + i, y + j))) & 1); + } + } + break; + case JBIG2_COMPOSE_REPLACE: + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pDst->setPixel(x + i, y + j, getPixel(i + dx, j + dy)); + } + } + break; + } + return TRUE; +} + +FX_BOOL CJBig2_Image::composeTo_opt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op) +{ + FX_INT32 x0, x1, y0, y1, xx, yy; + FX_BYTE *pLineSrc, *pLineDst, *srcPtr, *destPtr; + FX_DWORD src0, src1, src, dest, s1, s2, m1, m2, m3; + FX_BOOL oneByte; + if (!m_pData) { + return FALSE; + } + if (y < 0) { + y0 = -y; + } else { + y0 = 0; + } + if (y + m_nHeight > pDst->m_nHeight) { + y1 = pDst->m_nHeight - y; + } else { + y1 = m_nHeight; + } + if (y0 >= y1) { + return FALSE; + } + if (x >= 0) { + x0 = x & ~7; + } else { + x0 = 0; + } + x1 = x + m_nWidth; + if (x1 > pDst->m_nWidth) { + x1 = pDst->m_nWidth; + } + if (x0 >= x1) { + return FALSE; + } + s1 = x & 7; + s2 = 8 - s1; + m1 = 0xff >> (x1 & 7); + m2 = 0xff << (((x1 & 7) == 0) ? 0 : 8 - (x1 & 7)); + m3 = (0xff >> s1) & m2; + oneByte = x0 == ((x1 - 1) & ~7); + pLineDst = pDst->m_pData + y * pDst->m_nStride; + pLineSrc = m_pData + y0 * m_nStride; + if(oneByte) { + if(x >= 0) { + switch(op) { + case JBIG2_COMPOSE_OR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest |= (*srcPtr >> s1) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_AND: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest &= ((0xff00 | *srcPtr) >> s1) | m1; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest ^= (*srcPtr >> s1) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XNOR: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest ^= ((*srcPtr ^ 0xff) >> s1) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_REPLACE: { + for (yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + dest = *destPtr; + dest = (dest & ~m3) | ((*srcPtr >> s1) & m3); + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + } + } else { + switch(op) { + case JBIG2_COMPOSE_OR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest |= *srcPtr & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_AND: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest &= *srcPtr | m1; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest ^= *srcPtr & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XNOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest ^= (*srcPtr ^ 0xff) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_REPLACE: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + dest = *destPtr; + dest = (*srcPtr & m2) | (dest & m1); + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + } + } + } else { + if(x >= 0) { + switch(op) { + case JBIG2_COMPOSE_OR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest |= src1 >> s1; + *destPtr++ = (FX_BYTE)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_AND: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest &= (0xff00 | src1) >> s1; + *destPtr++ = (FX_BYTE)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src | m1; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest ^= src1 >> s1; + *destPtr++ = (FX_BYTE)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XNOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest ^= (src1 ^ 0xff) >> s1; + *destPtr++ = (FX_BYTE)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src ^ 0xff; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= (src ^ 0xff) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_REPLACE: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst + (x >> 3); + srcPtr = pLineSrc; + src1 = *srcPtr++; + dest = *destPtr; + dest = (dest & (0xff << s2)) | (src1 >> s1); + *destPtr++ = (FX_BYTE)dest; + xx = x0 + 8; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = (src & m2) | (dest & m1); + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + } + } else { + switch(op) { + case JBIG2_COMPOSE_OR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest |= src & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_AND: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest &= src | m1; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_XNOR: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= src ^ 0xff; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest ^= (src ^ 0xff) & m2; + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + case JBIG2_COMPOSE_REPLACE: { + for(yy = y0; yy < y1; ++yy) { + destPtr = pLineDst; + srcPtr = pLineSrc + (-x >> 3); + src1 = *srcPtr++; + xx = x0; + for (; xx < x1 - 8; xx += 8) { + dest = *destPtr; + src0 = src1; + src1 = *srcPtr++; + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = src; + *destPtr++ = (FX_BYTE)dest; + } + dest = *destPtr; + src0 = src1; + if(srcPtr - pLineSrc < m_nStride) { + src1 = *srcPtr++; + } else { + src1 = 0; + } + src = (((src0 << 8) | src1) >> s1) & 0xff; + dest = (src & m2) | (dest & m1); + *destPtr = (FX_BYTE)dest; + pLineDst += pDst->m_nStride; + pLineSrc += m_nStride; + } + } + break; + } + } + } + return TRUE; +} +FX_BOOL CJBig2_Image::composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op) +{ + if (!m_pData) { + return FALSE; + } + return pSrc->composeTo(this, x, y, op); +} +FX_BOOL CJBig2_Image::composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect) +{ + if (!m_pData) { + return FALSE; + } + return pSrc->composeTo(this, x, y, op, pSrcRect); +} +CJBig2_Image *CJBig2_Image::subImage_unopt(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h) +{ + CJBig2_Image *pImage; + FX_INT32 i, j; + JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); + for(j = 0; j < h; j++) { + for(i = 0; i < w; i++) { + pImage->setPixel(i, j, getPixel(x + i, y + j)); + } + } + return pImage; +} +#define JBIG2_GETDWORD(buf) ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) +CJBig2_Image *CJBig2_Image::subImage(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h) +{ + CJBig2_Image *pImage; + FX_INT32 m, n, j; + FX_BYTE *pLineSrc, *pLineDst; + FX_DWORD wTmp; + FX_BYTE *pSrc, *pSrcEnd, *pDst, *pDstEnd; + if (w == 0 || h == 0) { + return NULL; + } + JBIG2_ALLOC(pImage, CJBig2_Image(w, h)); + if (!m_pData) { + pImage->fill(0); + return pImage; + } + if (!pImage->m_pData) { + return pImage; + } + pLineSrc = m_pData + m_nStride * y; + pLineDst = pImage->m_pData; + m = (x >> 5) << 2; + n = x & 31; + if(n == 0) { + for(j = 0; j < h; j++) { + pSrc = pLineSrc + m; + pSrcEnd = pLineSrc + m_nStride; + pDst = pLineDst; + pDstEnd = pLineDst + pImage->m_nStride; + for(; pDst < pDstEnd; pSrc += 4, pDst += 4) { + *((FX_DWORD *)pDst) = *((FX_DWORD *)pSrc); + } + pLineSrc += m_nStride; + pLineDst += pImage->m_nStride; + } + } else { + for(j = 0; j < h; j++) { + pSrc = pLineSrc + m; + pSrcEnd = pLineSrc + m_nStride; + pDst = pLineDst; + pDstEnd = pLineDst + pImage->m_nStride; + for(; pDst < pDstEnd; pSrc += 4, pDst += 4) { + if(pSrc + 4 < pSrcEnd) { + wTmp = (JBIG2_GETDWORD(pSrc) << n) | (JBIG2_GETDWORD(pSrc + 4) >> (32 - n)); + } else { + wTmp = JBIG2_GETDWORD(pSrc) << n; + } + pDst[0] = (FX_BYTE)(wTmp >> 24); + pDst[1] = (FX_BYTE)(wTmp >> 16); + pDst[2] = (FX_BYTE)(wTmp >> 8); + pDst[3] = (FX_BYTE)wTmp; + } + pLineSrc += m_nStride; + pLineDst += pImage->m_nStride; + } + } + return pImage; +} +void CJBig2_Image::expand(FX_INT32 h, FX_BOOL v) +{ + if (!m_pData) { + return; + } + m_pData = (FX_BYTE*)m_pModule->JBig2_Realloc(m_pData, h * m_nStride); + if(h > m_nHeight) { + JBIG2_memset(m_pData + m_nHeight * m_nStride, v ? 0xff : 0, (h - m_nHeight)*m_nStride); + } + m_nHeight = h; +} +FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op) +{ + FX_INT32 xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, lineLeft; + FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, maskM; + FX_BYTE *lineSrc, *lineDst, *sp, *dp; + if (!m_pData) { + return FALSE; + } + if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { + return FALSE; + } + if(y < 0) { + ys0 = -y; + } else { + ys0 = 0; + } + if(y + m_nHeight > pDst->m_nHeight) { + ys1 = pDst->m_nHeight - y; + } else { + ys1 = m_nHeight; + } + if(x < 0) { + xs0 = -x; + } else { + xs0 = 0; + } + if(x + m_nWidth > pDst->m_nWidth) { + xs1 = pDst->m_nWidth - x; + } else { + xs1 = m_nWidth; + } + if((ys0 >= ys1) || (xs0 >= xs1)) { + return 0; + } + w = xs1 - xs0; + h = ys1 - ys0; + if(y < 0) { + yd0 = 0; + } else { + yd0 = y; + } + if(x < 0) { + xd0 = 0; + } else { + xd0 = x; + } + xd1 = xd0 + w; + yd1 = yd0 + h; + d1 = xd0 & 31; + d2 = xd1 & 31; + s1 = xs0 & 31; + maskL = 0xffffffff >> d1; + maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); + maskM = maskL & maskR; + lineSrc = m_pData + ys0 * m_nStride + ((xs0 >> 5) << 2); + lineLeft = m_nStride - ((xs0 >> 5) << 2); + lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); + if((xd0 & ~31) == ((xd1 - 1) & ~31)) { + if((xs0 & ~31) == ((xs1 - 1) & ~31)) { + if(s1 > d1) { + shift = s1 - d1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) << shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift = d1 - s1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } else { + shift1 = s1 - d1; + shift2 = 32 - shift1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } else { + if(s1 > d1) { + shift1 = s1 - d1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | ( + ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else if(s1 == d1) { + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift1 = d1 - s1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp) >> shift1; + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ( + ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } + return 1; +} +FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect) +{ + FX_INT32 xs0, ys0, xs1, ys1, xd0, yd0, xd1, yd1, xx, yy, w, h, middleDwords, lineLeft; + FX_DWORD s1, d1, d2, shift, shift1, shift2, tmp, tmp1, tmp2, maskL, maskR, maskM; + FX_BYTE *lineSrc, *lineDst, *sp, *dp; + FX_INT32 sw, sh; + if (!m_pData) { + return FALSE; + } + if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { + return FALSE; + } + sw = pSrcRect->Width(); + sh = pSrcRect->Height(); + if(y < 0) { + ys0 = -y; + } else { + ys0 = 0; + } + if(y + sh > pDst->m_nHeight) { + ys1 = pDst->m_nHeight - y; + } else { + ys1 = sh; + } + if(x < 0) { + xs0 = -x; + } else { + xs0 = 0; + } + if(x + sw > pDst->m_nWidth) { + xs1 = pDst->m_nWidth - x; + } else { + xs1 = sw; + } + if((ys0 >= ys1) || (xs0 >= xs1)) { + return 0; + } + w = xs1 - xs0; + h = ys1 - ys0; + if(y < 0) { + yd0 = 0; + } else { + yd0 = y; + } + if(x < 0) { + xd0 = 0; + } else { + xd0 = x; + } + xd1 = xd0 + w; + yd1 = yd0 + h; + d1 = xd0 & 31; + d2 = xd1 & 31; + s1 = xs0 & 31; + maskL = 0xffffffff >> d1; + maskR = 0xffffffff << ((32 - (xd1 & 31)) % 32); + maskM = maskL & maskR; + lineSrc = m_pData + (pSrcRect->top + ys0) * m_nStride + (((xs0 + pSrcRect->left) >> 5) << 2); + lineLeft = m_nStride - ((xs0 >> 5) << 2); + lineDst = pDst->m_pData + yd0 * pDst->m_nStride + ((xd0 >> 5) << 2); + if((xd0 & ~31) == ((xd1 - 1) & ~31)) { + if((xs0 & ~31) == ((xs1 - 1) & ~31)) { + if(s1 > d1) { + shift = s1 - d1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) << shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift = d1 - s1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = JBIG2_GETDWORD(lineSrc) >> shift; + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } else { + shift1 = s1 - d1; + shift2 = 32 - shift1; + for(yy = yd0; yy < yd1; yy++) { + tmp1 = (JBIG2_GETDWORD(lineSrc) << shift1) | (JBIG2_GETDWORD(lineSrc + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(lineDst); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskM) | ((tmp1 | tmp2) & maskM); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskM) | ((tmp1 & tmp2) & maskM); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskM) | ((tmp1 ^ tmp2) & maskM); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskM) | ((~(tmp1 ^ tmp2)) & maskM); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskM) | (tmp1 & maskM); + break; + } + lineDst[0] = (FX_BYTE)(tmp >> 24); + lineDst[1] = (FX_BYTE)(tmp >> 16); + lineDst[2] = (FX_BYTE)(tmp >> 8); + lineDst[3] = (FX_BYTE)tmp; + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } else { + if(s1 > d1) { + shift1 = s1 - d1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | (JBIG2_GETDWORD(sp + 4) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift1) | ( + ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift2); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else if(s1 == d1) { + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = JBIG2_GETDWORD(sp); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } else { + shift1 = d1 - s1; + shift2 = 32 - shift1; + middleDwords = (xd1 >> 5) - ((xd0 + 31) >> 5); + for(yy = yd0; yy < yd1; yy++) { + sp = lineSrc; + dp = lineDst; + if(d1 != 0) { + tmp1 = JBIG2_GETDWORD(sp) >> shift1; + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskL) | ((tmp1 | tmp2) & maskL); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskL) | ((tmp1 & tmp2) & maskL); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskL) | ((tmp1 ^ tmp2) & maskL); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskL) | ((~(tmp1 ^ tmp2)) & maskL); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskL) | (tmp1 & maskL); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + dp += 4; + } + for(xx = 0; xx < middleDwords; xx++) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ((JBIG2_GETDWORD(sp + 4)) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = tmp1 | tmp2; + break; + case JBIG2_COMPOSE_AND: + tmp = tmp1 & tmp2; + break; + case JBIG2_COMPOSE_XOR: + tmp = tmp1 ^ tmp2; + break; + case JBIG2_COMPOSE_XNOR: + tmp = ~(tmp1 ^ tmp2); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = tmp1; + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + sp += 4; + dp += 4; + } + if(d2 != 0) { + tmp1 = (JBIG2_GETDWORD(sp) << shift2) | ( + ((sp + 4) < lineSrc + lineLeft ? JBIG2_GETDWORD(sp + 4) : 0) >> shift1); + tmp2 = JBIG2_GETDWORD(dp); + switch(op) { + case JBIG2_COMPOSE_OR: + tmp = (tmp2 & ~maskR) | ((tmp1 | tmp2) & maskR); + break; + case JBIG2_COMPOSE_AND: + tmp = (tmp2 & ~maskR) | ((tmp1 & tmp2) & maskR); + break; + case JBIG2_COMPOSE_XOR: + tmp = (tmp2 & ~maskR) | ((tmp1 ^ tmp2) & maskR); + break; + case JBIG2_COMPOSE_XNOR: + tmp = (tmp2 & ~maskR) | ((~(tmp1 ^ tmp2)) & maskR); + break; + case JBIG2_COMPOSE_REPLACE: + tmp = (tmp2 & ~maskR) | (tmp1 & maskR); + break; + } + dp[0] = (FX_BYTE)(tmp >> 24); + dp[1] = (FX_BYTE)(tmp >> 16); + dp[2] = (FX_BYTE)(tmp >> 8); + dp[3] = (FX_BYTE)tmp; + } + lineSrc += m_nStride; + lineDst += pDst->m_nStride; + } + } + } + return 1; +} diff --git a/core/src/fxcodec/jbig2/JBig2_Image.h b/core/src/fxcodec/jbig2/JBig2_Image.h index 3c69f647e3..5d06695c7c 100644 --- a/core/src/fxcodec/jbig2/JBig2_Image.h +++ b/core/src/fxcodec/jbig2/JBig2_Image.h @@ -1,68 +1,68 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_IMAGE_H_
-#define _JBIG2_IMAGE_H_
-#include "JBig2_Define.h"
-#include "JBig2_Module.h"
-typedef enum {
- JBIG2_COMPOSE_OR = 0,
- JBIG2_COMPOSE_AND = 1,
- JBIG2_COMPOSE_XOR = 2,
- JBIG2_COMPOSE_XNOR = 3,
- JBIG2_COMPOSE_REPLACE = 4
-} JBig2ComposeOp;
-struct FX_RECT;
-class CJBig2_Image : public CJBig2_Object
-{
-public:
-
- CJBig2_Image(FX_INT32 w, FX_INT32 h);
-
- CJBig2_Image(FX_INT32 w, FX_INT32 h, FX_INT32 stride, FX_BYTE*pBuf);
-
- CJBig2_Image(CJBig2_Image &im);
-
- ~CJBig2_Image();
-
- FX_BOOL getPixel(FX_INT32 x, FX_INT32 y);
-
- FX_INT32 setPixel(FX_INT32 x, FX_INT32 y, FX_BOOL v);
-
- void copyLine(FX_INT32 hTo, FX_INT32 hFrom);
-
- void fill(FX_BOOL v);
-
- FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
- FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect);
-
- FX_BOOL composeTo_unopt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
-
- FX_BOOL composeTo_opt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
-
- FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
- FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect);
-
- FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op);
- FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect);
- CJBig2_Image *subImage_unopt(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h);
-
- CJBig2_Image *subImage(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h);
-
- void expand(FX_INT32 h, FX_BOOL v);
-public:
-
- FX_INT32 m_nWidth;
-
- FX_INT32 m_nHeight;
-
- FX_INT32 m_nStride;
-
- FX_BYTE *m_pData;
-
- FX_BOOL m_bNeedFree;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_IMAGE_H_ +#define _JBIG2_IMAGE_H_ +#include "JBig2_Define.h" +#include "JBig2_Module.h" +typedef enum { + JBIG2_COMPOSE_OR = 0, + JBIG2_COMPOSE_AND = 1, + JBIG2_COMPOSE_XOR = 2, + JBIG2_COMPOSE_XNOR = 3, + JBIG2_COMPOSE_REPLACE = 4 +} JBig2ComposeOp; +struct FX_RECT; +class CJBig2_Image : public CJBig2_Object +{ +public: + + CJBig2_Image(FX_INT32 w, FX_INT32 h); + + CJBig2_Image(FX_INT32 w, FX_INT32 h, FX_INT32 stride, FX_BYTE*pBuf); + + CJBig2_Image(CJBig2_Image &im); + + ~CJBig2_Image(); + + FX_BOOL getPixel(FX_INT32 x, FX_INT32 y); + + FX_INT32 setPixel(FX_INT32 x, FX_INT32 y, FX_BOOL v); + + void copyLine(FX_INT32 hTo, FX_INT32 hFrom); + + void fill(FX_BOOL v); + + FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op); + FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect); + + FX_BOOL composeTo_unopt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op); + + FX_BOOL composeTo_opt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op); + + FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op); + FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect); + + FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op); + FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect); + CJBig2_Image *subImage_unopt(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h); + + CJBig2_Image *subImage(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h); + + void expand(FX_INT32 h, FX_BOOL v); +public: + + FX_INT32 m_nWidth; + + FX_INT32 m_nHeight; + + FX_INT32 m_nStride; + + FX_BYTE *m_pData; + + FX_BOOL m_bNeedFree; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_List.h b/core/src/fxcodec/jbig2/JBig2_List.h index a737d9e112..9292724b1e 100644 --- a/core/src/fxcodec/jbig2/JBig2_List.h +++ b/core/src/fxcodec/jbig2/JBig2_List.h @@ -1,67 +1,67 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_LIST_H_
-#define _JBIG2_LIST_H_
-#include "JBig2_Define.h"
-#include "JBig2_Object.h"
-template <class TYPE>
-class CJBig2_List : public CJBig2_Object
-{
-public:
-
- CJBig2_List(FX_INT32 nSize = 8)
- {
- m_nSize = nSize;
- m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize);
- m_nLength = 0;
- }
-
- ~CJBig2_List()
- {
- clear();
- m_pModule->JBig2_Free(m_pArray);
- }
-
- void clear()
- {
- FX_INT32 i;
- for(i = 0; i < m_nLength; i++) {
- delete m_pArray[i];
- }
- m_nLength = 0;
- }
-
- void addItem(TYPE *pItem)
- {
- if(m_nLength >= m_nSize) {
- m_nSize += 8;
- m_pArray = (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*)*m_nSize);
- }
- m_pArray[m_nLength++] = pItem;
- }
-
-
- FX_INT32 getLength()
- {
- return m_nLength;
- }
-
- TYPE *getAt(FX_INT32 nIndex)
- {
- return m_pArray[nIndex];
- }
-
- TYPE *getLast()
- {
- return m_pArray[m_nLength - 1];
- }
-private:
- FX_INT32 m_nSize;
- TYPE **m_pArray;
- FX_INT32 m_nLength;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_LIST_H_ +#define _JBIG2_LIST_H_ +#include "JBig2_Define.h" +#include "JBig2_Object.h" +template <class TYPE> +class CJBig2_List : public CJBig2_Object +{ +public: + + CJBig2_List(FX_INT32 nSize = 8) + { + m_nSize = nSize; + m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize); + m_nLength = 0; + } + + ~CJBig2_List() + { + clear(); + m_pModule->JBig2_Free(m_pArray); + } + + void clear() + { + FX_INT32 i; + for(i = 0; i < m_nLength; i++) { + delete m_pArray[i]; + } + m_nLength = 0; + } + + void addItem(TYPE *pItem) + { + if(m_nLength >= m_nSize) { + m_nSize += 8; + m_pArray = (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*)*m_nSize); + } + m_pArray[m_nLength++] = pItem; + } + + + FX_INT32 getLength() + { + return m_nLength; + } + + TYPE *getAt(FX_INT32 nIndex) + { + return m_pArray[nIndex]; + } + + TYPE *getLast() + { + return m_pArray[m_nLength - 1]; + } +private: + FX_INT32 m_nSize; + TYPE **m_pArray; + FX_INT32 m_nLength; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Module.h b/core/src/fxcodec/jbig2/JBig2_Module.h index ccde5ade02..3a01eb094c 100644 --- a/core/src/fxcodec/jbig2/JBig2_Module.h +++ b/core/src/fxcodec/jbig2/JBig2_Module.h @@ -1,32 +1,32 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_MODULE_H_
-#define _JBIG2_MODULE_H_
-#include "JBig2_Define.h"
-class CJBig2_Module
-{
-public:
-
- virtual void *JBig2_Malloc(FX_DWORD dwSize) = 0;
-
- virtual void *JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) = 0;
-
- virtual void *JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) = 0;
-
- virtual void *JBig2_Realloc(FX_LPVOID pMem, FX_DWORD dwSize) = 0;
-
- virtual void JBig2_Free(FX_LPVOID pMem) = 0;
-
- virtual void JBig2_Assert(FX_INT32 nExpression) {};
-
- virtual void JBig2_Error(FX_LPCSTR format, ...) {};
-
- virtual void JBig2_Warn(FX_LPCSTR format, ...) {};
-
- virtual void JBig2_Log(FX_LPCSTR format, ...) {};
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_MODULE_H_ +#define _JBIG2_MODULE_H_ +#include "JBig2_Define.h" +class CJBig2_Module +{ +public: + + virtual void *JBig2_Malloc(FX_DWORD dwSize) = 0; + + virtual void *JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) = 0; + + virtual void *JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) = 0; + + virtual void *JBig2_Realloc(FX_LPVOID pMem, FX_DWORD dwSize) = 0; + + virtual void JBig2_Free(FX_LPVOID pMem) = 0; + + virtual void JBig2_Assert(FX_INT32 nExpression) {}; + + virtual void JBig2_Error(FX_LPCSTR format, ...) {}; + + virtual void JBig2_Warn(FX_LPCSTR format, ...) {}; + + virtual void JBig2_Log(FX_LPCSTR format, ...) {}; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Object.cpp b/core/src/fxcodec/jbig2/JBig2_Object.cpp index 3a94f0e65a..2bb267b085 100644 --- a/core/src/fxcodec/jbig2/JBig2_Object.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Object.cpp @@ -1,72 +1,72 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_Object.h"
-#include "JBig2_Module.h"
-void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule, FX_LPCSTR filename, int line)
-{
- CJBig2_Object *p;
- p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size);
- p->m_pModule = pModule;
- return p;
-}
-void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule, FX_LPCSTR filename, int line)
-{
- pModule->JBig2_Free(p);
-}
-void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule)
-{
- CJBig2_Object *p;
- p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size);
- p->m_pModule = pModule;
- return p;
-}
-void CJBig2_Object::operator delete(void *p)
-{
- ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p);
-}
-void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule)
-{
- pModule->JBig2_Free(p);
-}
-void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size,
- FX_LPCSTR filename, int line)
-{
- void *p;
- FX_BYTE *pCur, *pEnd;
- p = (FX_BYTE *)pModule->JBig2_Malloc((FX_DWORD)size);
- pCur = (FX_BYTE *)p;
- pEnd = pCur + size;
- for(; pCur < pEnd; pCur += unit_size) {
- ((CJBig2_Object *)pCur)->m_pModule = pModule;
- }
- return p;
-}
-void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size,
- FX_LPCSTR filename, int line)
-{
- pModule->JBig2_Free(p);
-}
-void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size)
-{
- void *p;
- FX_BYTE *pCur, *pEnd;
- p = (FX_BYTE *)pModule->JBig2_Malloc((FX_DWORD)size);
- pCur = (FX_BYTE *)p;
- pEnd = pCur + size;
- for(; pCur < pEnd; pCur += unit_size) {
- ((CJBig2_Object *)pCur)->m_pModule = pModule;
- }
- return p;
-}
-void CJBig2_Object::operator delete[](void* p)
-{
- ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p);
-}
-void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size)
-{
- pModule->JBig2_Free(p);
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_Object.h" +#include "JBig2_Module.h" +void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule, FX_LPCSTR filename, int line) +{ + CJBig2_Object *p; + p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size); + p->m_pModule = pModule; + return p; +} +void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule, FX_LPCSTR filename, int line) +{ + pModule->JBig2_Free(p); +} +void *CJBig2_Object::operator new(size_t size, CJBig2_Module *pModule) +{ + CJBig2_Object *p; + p = (CJBig2_Object *)pModule->JBig2_Malloc((FX_DWORD)size); + p->m_pModule = pModule; + return p; +} +void CJBig2_Object::operator delete(void *p) +{ + ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); +} +void CJBig2_Object::operator delete(void *p, CJBig2_Module *pModule) +{ + pModule->JBig2_Free(p); +} +void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size, + FX_LPCSTR filename, int line) +{ + void *p; + FX_BYTE *pCur, *pEnd; + p = (FX_BYTE *)pModule->JBig2_Malloc((FX_DWORD)size); + pCur = (FX_BYTE *)p; + pEnd = pCur + size; + for(; pCur < pEnd; pCur += unit_size) { + ((CJBig2_Object *)pCur)->m_pModule = pModule; + } + return p; +} +void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size, + FX_LPCSTR filename, int line) +{ + pModule->JBig2_Free(p); +} +void *CJBig2_Object::operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size) +{ + void *p; + FX_BYTE *pCur, *pEnd; + p = (FX_BYTE *)pModule->JBig2_Malloc((FX_DWORD)size); + pCur = (FX_BYTE *)p; + pEnd = pCur + size; + for(; pCur < pEnd; pCur += unit_size) { + ((CJBig2_Object *)pCur)->m_pModule = pModule; + } + return p; +} +void CJBig2_Object::operator delete[](void* p) +{ + ((CJBig2_Object *)p)->m_pModule->JBig2_Free(p); +} +void CJBig2_Object::operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size) +{ + pModule->JBig2_Free(p); +} diff --git a/core/src/fxcodec/jbig2/JBig2_Object.h b/core/src/fxcodec/jbig2/JBig2_Object.h index 7fef1a21a9..23eecbf171 100644 --- a/core/src/fxcodec/jbig2/JBig2_Object.h +++ b/core/src/fxcodec/jbig2/JBig2_Object.h @@ -1,43 +1,43 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_OBJECT_H_
-#define _JBIG2_OBJECT_H_
-#include "JBig2_Define.h"
-class CJBig2_Module;
-#define _JBIG2_NO_EXPECTION_
-class CJBig2_Object
-{
-public:
-
- void *operator new(size_t size, CJBig2_Module *pModule, FX_LPCSTR filename, int line);
-
- void operator delete(void *p, CJBig2_Module *pModule, FX_LPCSTR filename, int line);
-
- void *operator new(size_t size, CJBig2_Module *pModule);
-
- void operator delete(void *p);
-
- void operator delete(void *p, CJBig2_Module *pModule);
-
- void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size,
- FX_LPCSTR filename, int line);
-
- void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size,
- FX_LPCSTR filename, int line);
-
- void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size);
-
- void operator delete[](void* p);
-
- void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size);
-public:
-
- CJBig2_Module *m_pModule;
-};
-#define JBIG2_NEW new(m_pModule)
-#define JBIG2_ALLOC(p, a) p = JBIG2_NEW a; p->m_pModule = m_pModule;
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_OBJECT_H_ +#define _JBIG2_OBJECT_H_ +#include "JBig2_Define.h" +class CJBig2_Module; +#define _JBIG2_NO_EXPECTION_ +class CJBig2_Object +{ +public: + + void *operator new(size_t size, CJBig2_Module *pModule, FX_LPCSTR filename, int line); + + void operator delete(void *p, CJBig2_Module *pModule, FX_LPCSTR filename, int line); + + void *operator new(size_t size, CJBig2_Module *pModule); + + void operator delete(void *p); + + void operator delete(void *p, CJBig2_Module *pModule); + + void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size, + FX_LPCSTR filename, int line); + + void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size, + FX_LPCSTR filename, int line); + + void *operator new[](size_t size, CJBig2_Module *pModule, size_t unit_size); + + void operator delete[](void* p); + + void operator delete[](void *p, CJBig2_Module *pModule, size_t unit_size); +public: + + CJBig2_Module *m_pModule; +}; +#define JBIG2_NEW new(m_pModule) +#define JBIG2_ALLOC(p, a) p = JBIG2_NEW a; p->m_pModule = m_pModule; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Page.h b/core/src/fxcodec/jbig2/JBig2_Page.h index 490705448c..d7399bd452 100644 --- a/core/src/fxcodec/jbig2/JBig2_Page.h +++ b/core/src/fxcodec/jbig2/JBig2_Page.h @@ -1,19 +1,19 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_PAGE_H_
-#define _JBIG2_PAGE_H_
-#include "JBig2_Image.h"
-struct JBig2PageInfo : public CJBig2_Object {
- FX_DWORD m_dwWidth,
- m_dwHeight;
- FX_DWORD m_dwResolutionX,
- m_dwResolutionY;
- FX_BYTE m_cFlags;
- FX_BOOL m_bIsStriped;
- FX_WORD m_wMaxStripeSize;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_PAGE_H_ +#define _JBIG2_PAGE_H_ +#include "JBig2_Image.h" +struct JBig2PageInfo : public CJBig2_Object { + FX_DWORD m_dwWidth, + m_dwHeight; + FX_DWORD m_dwResolutionX, + m_dwResolutionY; + FX_BYTE m_cFlags; + FX_BOOL m_bIsStriped; + FX_WORD m_wMaxStripeSize; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp index 58c52a5848..0c6e5be8ce 100644 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp +++ b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp @@ -1,24 +1,24 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_PatternDict.h"
-CJBig2_PatternDict::CJBig2_PatternDict()
-{
- NUMPATS = 0;
- HDPATS = NULL;
-}
-
-CJBig2_PatternDict::~CJBig2_PatternDict()
-{
- if(HDPATS) {
- for(FX_DWORD i = 0; i < NUMPATS; i++) {
- if(HDPATS[i]) {
- delete HDPATS[i];
- }
- }
- m_pModule->JBig2_Free(HDPATS);
- }
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_PatternDict.h" +CJBig2_PatternDict::CJBig2_PatternDict() +{ + NUMPATS = 0; + HDPATS = NULL; +} + +CJBig2_PatternDict::~CJBig2_PatternDict() +{ + if(HDPATS) { + for(FX_DWORD i = 0; i < NUMPATS; i++) { + if(HDPATS[i]) { + delete HDPATS[i]; + } + } + m_pModule->JBig2_Free(HDPATS); + } +} diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.h b/core/src/fxcodec/jbig2/JBig2_PatternDict.h index c8686507d9..b75cbde999 100644 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.h +++ b/core/src/fxcodec/jbig2/JBig2_PatternDict.h @@ -1,22 +1,22 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_PATTERN_DICT_H_
-#define _JBIG2_PATTERN_DICT_H_
-#include "JBig2_Define.h"
-#include "JBig2_Image.h"
-class CJBig2_PatternDict : public CJBig2_Object
-{
-public:
-
- CJBig2_PatternDict();
-
- ~CJBig2_PatternDict();
-public:
- FX_DWORD NUMPATS;
- CJBig2_Image **HDPATS;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_PATTERN_DICT_H_ +#define _JBIG2_PATTERN_DICT_H_ +#include "JBig2_Define.h" +#include "JBig2_Image.h" +class CJBig2_PatternDict : public CJBig2_Object +{ +public: + + CJBig2_PatternDict(); + + ~CJBig2_PatternDict(); +public: + FX_DWORD NUMPATS; + CJBig2_Image **HDPATS; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.cpp b/core/src/fxcodec/jbig2/JBig2_Segment.cpp index 788207dc6e..b7eed35987 100644 --- a/core/src/fxcodec/jbig2/JBig2_Segment.cpp +++ b/core/src/fxcodec/jbig2/JBig2_Segment.cpp @@ -1,53 +1,53 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_Segment.h"
-CJBig2_Segment::CJBig2_Segment()
-{
- init();
-}
-CJBig2_Segment::~CJBig2_Segment()
-{
- clean();
-}
-void CJBig2_Segment::init()
-{
- m_dwNumber = 0;
- m_cFlags.c = 0;
- m_nReferred_to_segment_count = 0;
- m_pReferred_to_segment_numbers = NULL;
- m_dwPage_association = 0;
- m_dwData_length = 0;
- m_dwHeader_Length = 0;
- m_pData = NULL;
- m_State = JBIG2_SEGMENT_HEADER_UNPARSED;
- m_nResultType = JBIG2_VOID_POINTER;
- m_Result.vd = NULL;
-}
-void CJBig2_Segment::clean()
-{
- if(m_pReferred_to_segment_numbers) {
- m_pModule->JBig2_Free(m_pReferred_to_segment_numbers);
- }
- if(m_Result.vd) {
- switch(m_nResultType) {
- case JBIG2_IMAGE_POINTER:
- delete m_Result.im;
- break;
- case JBIG2_SYMBOL_DICT_POINTER:
- delete m_Result.sd;
- break;
- case JBIG2_PATTERN_DICT_POINTER:
- delete m_Result.pd;
- break;
- case JBIG2_HUFFMAN_TABLE_POINTER:
- delete m_Result.ht;
- break;
- default:
- m_pModule->JBig2_Free(m_Result.vd);
- }
- }
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_Segment.h" +CJBig2_Segment::CJBig2_Segment() +{ + init(); +} +CJBig2_Segment::~CJBig2_Segment() +{ + clean(); +} +void CJBig2_Segment::init() +{ + m_dwNumber = 0; + m_cFlags.c = 0; + m_nReferred_to_segment_count = 0; + m_pReferred_to_segment_numbers = NULL; + m_dwPage_association = 0; + m_dwData_length = 0; + m_dwHeader_Length = 0; + m_pData = NULL; + m_State = JBIG2_SEGMENT_HEADER_UNPARSED; + m_nResultType = JBIG2_VOID_POINTER; + m_Result.vd = NULL; +} +void CJBig2_Segment::clean() +{ + if(m_pReferred_to_segment_numbers) { + m_pModule->JBig2_Free(m_pReferred_to_segment_numbers); + } + if(m_Result.vd) { + switch(m_nResultType) { + case JBIG2_IMAGE_POINTER: + delete m_Result.im; + break; + case JBIG2_SYMBOL_DICT_POINTER: + delete m_Result.sd; + break; + case JBIG2_PATTERN_DICT_POINTER: + delete m_Result.pd; + break; + case JBIG2_HUFFMAN_TABLE_POINTER: + delete m_Result.ht; + break; + default: + m_pModule->JBig2_Free(m_Result.vd); + } + } +} diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h index 48c31b17bb..33ee721a1b 100644 --- a/core/src/fxcodec/jbig2/JBig2_Segment.h +++ b/core/src/fxcodec/jbig2/JBig2_Segment.h @@ -1,68 +1,68 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_SEGMENT_H_
-#define _JBIG2_SEGMENT_H_
-#include "JBig2_Define.h"
-#include "JBig2_SymbolDict.h"
-#include "JBig2_PatternDict.h"
-#include "JBig2_Module.h"
-#include "JBig2_HuffmanTable.h"
-#define JBIG2_GET_INT32(buf) (((buf)[0]<<24) | ((buf)[1]<<16) | ((buf)[2]<<8) | (buf)[3])
-#define JBIG2_GET_INT16(buf) (((buf)[0]<<8) | (buf)[1])
-typedef enum {
- JBIG2_SEGMENT_HEADER_UNPARSED,
- JBIG2_SEGMENT_DATA_UNPARSED,
- JBIG2_SEGMENT_PARSE_COMPLETE,
- JBIG2_SEGMENT_PAUSED,
- JBIG2_SEGMENT_ERROR
-} JBig2_SegmentState;
-typedef enum {
- JBIG2_VOID_POINTER = 0,
- JBIG2_IMAGE_POINTER,
- JBIG2_SYMBOL_DICT_POINTER,
- JBIG2_PATTERN_DICT_POINTER,
- JBIG2_HUFFMAN_TABLE_POINTER
-} JBig2_ResultType;
-class CJBig2_Segment : public CJBig2_Object
-{
-public:
-
- CJBig2_Segment();
-
- ~CJBig2_Segment();
-
- void init();
-
- void clean();
-public:
- FX_DWORD m_dwNumber;
- union {
- struct {
- FX_BYTE type : 6;
- FX_BYTE page_association_size : 1;
- FX_BYTE deferred_non_retain : 1;
- } s;
- FX_BYTE c;
- } m_cFlags;
- FX_INT32 m_nReferred_to_segment_count;
- FX_DWORD * m_pReferred_to_segment_numbers;
- FX_DWORD m_dwPage_association;
- FX_DWORD m_dwData_length;
-
- FX_DWORD m_dwHeader_Length;
- FX_BYTE *m_pData;
- JBig2_SegmentState m_State;
- JBig2_ResultType m_nResultType;
- union {
- CJBig2_SymbolDict *sd;
- CJBig2_PatternDict *pd;
- CJBig2_Image *im;
- CJBig2_HuffmanTable *ht;
- FX_LPVOID vd;
- } m_Result;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_SEGMENT_H_ +#define _JBIG2_SEGMENT_H_ +#include "JBig2_Define.h" +#include "JBig2_SymbolDict.h" +#include "JBig2_PatternDict.h" +#include "JBig2_Module.h" +#include "JBig2_HuffmanTable.h" +#define JBIG2_GET_INT32(buf) (((buf)[0]<<24) | ((buf)[1]<<16) | ((buf)[2]<<8) | (buf)[3]) +#define JBIG2_GET_INT16(buf) (((buf)[0]<<8) | (buf)[1]) +typedef enum { + JBIG2_SEGMENT_HEADER_UNPARSED, + JBIG2_SEGMENT_DATA_UNPARSED, + JBIG2_SEGMENT_PARSE_COMPLETE, + JBIG2_SEGMENT_PAUSED, + JBIG2_SEGMENT_ERROR +} JBig2_SegmentState; +typedef enum { + JBIG2_VOID_POINTER = 0, + JBIG2_IMAGE_POINTER, + JBIG2_SYMBOL_DICT_POINTER, + JBIG2_PATTERN_DICT_POINTER, + JBIG2_HUFFMAN_TABLE_POINTER +} JBig2_ResultType; +class CJBig2_Segment : public CJBig2_Object +{ +public: + + CJBig2_Segment(); + + ~CJBig2_Segment(); + + void init(); + + void clean(); +public: + FX_DWORD m_dwNumber; + union { + struct { + FX_BYTE type : 6; + FX_BYTE page_association_size : 1; + FX_BYTE deferred_non_retain : 1; + } s; + FX_BYTE c; + } m_cFlags; + FX_INT32 m_nReferred_to_segment_count; + FX_DWORD * m_pReferred_to_segment_numbers; + FX_DWORD m_dwPage_association; + FX_DWORD m_dwData_length; + + FX_DWORD m_dwHeader_Length; + FX_BYTE *m_pData; + JBig2_SegmentState m_State; + JBig2_ResultType m_nResultType; + union { + CJBig2_SymbolDict *sd; + CJBig2_PatternDict *pd; + CJBig2_Image *im; + CJBig2_HuffmanTable *ht; + FX_LPVOID vd; + } m_Result; +}; +#endif diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp index 8516c045c6..67e54c0cea 100644 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp +++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp @@ -1,34 +1,34 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "JBig2_SymbolDict.h"
-CJBig2_SymbolDict::CJBig2_SymbolDict()
-{
- SDNUMEXSYMS = 0;
- SDEXSYMS = NULL;
- m_bContextRetained = FALSE;
- m_gbContext = m_grContext = NULL;
-}
-
-CJBig2_SymbolDict::~CJBig2_SymbolDict()
-{
- if(SDEXSYMS) {
- for(FX_DWORD i = 0; i < SDNUMEXSYMS; i++) {
- if(SDEXSYMS[i]) {
- delete SDEXSYMS[i];
- }
- }
- m_pModule->JBig2_Free(SDEXSYMS);
- }
- if(m_bContextRetained) {
- if(m_gbContext) {
- m_pModule->JBig2_Free(m_gbContext);
- }
- if(m_grContext) {
- m_pModule->JBig2_Free(m_grContext);
- }
- }
-}
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_SymbolDict.h" +CJBig2_SymbolDict::CJBig2_SymbolDict() +{ + SDNUMEXSYMS = 0; + SDEXSYMS = NULL; + m_bContextRetained = FALSE; + m_gbContext = m_grContext = NULL; +} + +CJBig2_SymbolDict::~CJBig2_SymbolDict() +{ + if(SDEXSYMS) { + for(FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { + if(SDEXSYMS[i]) { + delete SDEXSYMS[i]; + } + } + m_pModule->JBig2_Free(SDEXSYMS); + } + if(m_bContextRetained) { + if(m_gbContext) { + m_pModule->JBig2_Free(m_gbContext); + } + if(m_grContext) { + m_pModule->JBig2_Free(m_grContext); + } + } +} diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h index cb97a167d1..cfe75db4c9 100644 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h +++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h @@ -1,26 +1,26 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _JBIG2_SYMBOL_DICT_H_
-#define _JBIG2_SYMBOL_DICT_H_
-#include "JBig2_Define.h"
-#include "JBig2_ArithDecoder.h"
-#include "JBig2_Image.h"
-class CJBig2_SymbolDict : public CJBig2_Object
-{
-public:
-
- CJBig2_SymbolDict();
-
- ~CJBig2_SymbolDict();
-public:
- FX_DWORD SDNUMEXSYMS;
- CJBig2_Image **SDEXSYMS;
- FX_BOOL m_bContextRetained;
- JBig2ArithCtx *m_gbContext,
- *m_grContext;
-};
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef _JBIG2_SYMBOL_DICT_H_ +#define _JBIG2_SYMBOL_DICT_H_ +#include "JBig2_Define.h" +#include "JBig2_ArithDecoder.h" +#include "JBig2_Image.h" +class CJBig2_SymbolDict : public CJBig2_Object +{ +public: + + CJBig2_SymbolDict(); + + ~CJBig2_SymbolDict(); +public: + FX_DWORD SDNUMEXSYMS; + CJBig2_Image **SDEXSYMS; + FX_BOOL m_bContextRetained; + JBig2ArithCtx *m_gbContext, + *m_grContext; +}; +#endif |