diff options
Diffstat (limited to 'core/src/fxcodec/jbig2')
38 files changed, 0 insertions, 7569 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp deleted file mode 100644 index 9e32304f41..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.cpp +++ /dev/null @@ -1,152 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" - -namespace { - -struct JBig2ArithQe { - unsigned int Qe; - unsigned int NMPS; - unsigned int NLPS; - unsigned int nSwitch; -}; - -const JBig2ArithQe kQeTable[] = { - // Stupid hack to keep clang-format from reformatting this badly. - {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}}; - -const unsigned int kDefaultAValue = 0x8000; - -int DecodeNMPS(JBig2ArithCtx* pCX, const JBig2ArithQe& qe) { - pCX->I = qe.NMPS; - return pCX->MPS; -} - -int DecodeNLPS(JBig2ArithCtx* pCX, const JBig2ArithQe& qe) { - // TODO(thestig): |D|, |MPS| and friends probably should be booleans. - int D = 1 - pCX->MPS; - if (qe.nSwitch == 1) - pCX->MPS = 1 - pCX->MPS; - pCX->I = qe.NLPS; - return D; -} - -} // namespace - -CJBig2_ArithDecoder::CJBig2_ArithDecoder(CJBig2_BitStream* pStream) - : m_pStream(pStream) { - m_B = m_pStream->getCurByte_arith(); - m_C = (m_B ^ 0xff) << 16; - BYTEIN(); - m_C = m_C << 7; - m_CT = m_CT - 7; - m_A = kDefaultAValue; -} - -CJBig2_ArithDecoder::~CJBig2_ArithDecoder() { -} - -int CJBig2_ArithDecoder::DECODE(JBig2ArithCtx* pCX) { - if (!pCX || pCX->I >= FX_ArraySize(kQeTable)) - return 0; - - const JBig2ArithQe& qe = kQeTable[pCX->I]; - m_A -= qe.Qe; - if ((m_C >> 16) < m_A) { - if (m_A & kDefaultAValue) - return pCX->MPS; - - const int D = m_A < qe.Qe ? DecodeNLPS(pCX, qe) : DecodeNMPS(pCX, qe); - ReadValueA(); - return D; - } - - m_C -= m_A << 16; - const int D = m_A < qe.Qe ? DecodeNMPS(pCX, qe) : DecodeNLPS(pCX, qe); - m_A = qe.Qe; - ReadValueA(); - return D; -} - -void CJBig2_ArithDecoder::BYTEIN() { - unsigned char B1; - if (m_B == 0xff) { - B1 = m_pStream->getNextByte_arith(); - if (B1 > 0x8f) { - m_CT = 8; - } else { - m_pStream->incByteIdx(); - m_B = B1; - m_C = m_C + 0xfe00 - (m_B << 9); - m_CT = 7; - } - } else { - m_pStream->incByteIdx(); - m_B = m_pStream->getCurByte_arith(); - m_C = m_C + 0xff00 - (m_B << 8); - m_CT = 8; - } -} - -void CJBig2_ArithDecoder::ReadValueA() { - do { - if (m_CT == 0) - BYTEIN(); - m_A <<= 1; - m_C <<= 1; - --m_CT; - } while ((m_A & kDefaultAValue) == 0); -} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h deleted file mode 100644 index 3cb95acd95..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithDecoder.h +++ /dev/null @@ -1,38 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ - -class CJBig2_BitStream; - -struct JBig2ArithCtx { - JBig2ArithCtx() : MPS(0), I(0) {} - - unsigned int MPS; - unsigned int I; -}; - -class CJBig2_ArithDecoder { - public: - explicit CJBig2_ArithDecoder(CJBig2_BitStream* pStream); - - ~CJBig2_ArithDecoder(); - - int DECODE(JBig2ArithCtx* pCX); - - private: - void BYTEIN(); - void ReadValueA(); - - unsigned char m_B; - unsigned int m_C; - unsigned int m_A; - unsigned int m_CT; - CJBig2_BitStream* const m_pStream; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp deleted file mode 100644 index 2fac8df5a9..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp +++ /dev/null @@ -1,99 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" - -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" - -namespace { - -int ShiftOr(int val, int bitwise_or_val) { - return (val << 1) | bitwise_or_val; -} - -const struct ArithIntDecodeData { - int nNeedBits; - int nValue; -} g_ArithIntDecodeData[] = { - {2, 0}, - {4, 4}, - {6, 20}, - {8, 84}, - {12, 340}, - {32, 4436}, -}; - -size_t RecursiveDecode(CJBig2_ArithDecoder* decoder, - std::vector<JBig2ArithCtx>* context, - int* prev, - size_t depth) { - static const size_t kDepthEnd = FX_ArraySize(g_ArithIntDecodeData) - 1; - if (depth == kDepthEnd) - return kDepthEnd; - - JBig2ArithCtx* pCX = &(*context)[*prev]; - int D = decoder->DECODE(pCX); - *prev = ShiftOr(*prev, D); - if (!D) - return depth; - return RecursiveDecode(decoder, context, prev, depth + 1); -} - -} // namespace - -CJBig2_ArithIntDecoder::CJBig2_ArithIntDecoder() { - m_IAx.resize(512); -} - -CJBig2_ArithIntDecoder::~CJBig2_ArithIntDecoder() { -} - -bool CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, - int* nResult) { - int PREV = 1; - const int S = pArithDecoder->DECODE(&m_IAx[PREV]); - PREV = ShiftOr(PREV, S); - - const size_t nDecodeDataIndex = - RecursiveDecode(pArithDecoder, &m_IAx, &PREV, 0); - - int nTemp = 0; - for (int i = 0; i < g_ArithIntDecodeData[nDecodeDataIndex].nNeedBits; ++i) { - int D = pArithDecoder->DECODE(&m_IAx[PREV]); - PREV = ShiftOr(PREV, D); - if (PREV >= 256) - PREV = (PREV & 511) | 256; - nTemp = ShiftOr(nTemp, D); - } - int nValue = g_ArithIntDecodeData[nDecodeDataIndex].nValue; - nValue += nTemp; - if (S == 1 && nValue > 0) - nValue = -nValue; - - *nResult = nValue; - return S != 1 || nValue != 0; -} - -CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA) - : SBSYMCODELEN(SBSYMCODELENA) { - m_IAID.resize(1 << SBSYMCODELEN); -} - -CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() { -} - -void CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, - FX_DWORD* nResult) { - int PREV = 1; - for (unsigned char i = 0; i < SBSYMCODELEN; ++i) { - JBig2ArithCtx* pCX = &m_IAID[PREV]; - int D = pArithDecoder->DECODE(pCX); - PREV = ShiftOr(PREV, D); - } - *nResult = PREV - (1 << SBSYMCODELEN); -} diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h deleted file mode 100644 index 4909ce48f8..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h +++ /dev/null @@ -1,41 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -class CJBig2_ArithIntDecoder { - public: - CJBig2_ArithIntDecoder(); - ~CJBig2_ArithIntDecoder(); - - // Returns true on success, and false when an OOB condition occurs. Many - // callers can tolerate OOB and do not check the return value. - bool decode(CJBig2_ArithDecoder* pArithDecoder, int* nResult); - - private: - std::vector<JBig2ArithCtx> m_IAx; -}; - -class CJBig2_ArithIaidDecoder { - public: - explicit CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA); - ~CJBig2_ArithIaidDecoder(); - - void decode(CJBig2_ArithDecoder* pArithDecoder, FX_DWORD* nResult); - - private: - std::vector<JBig2ArithCtx> m_IAID; - - const unsigned char SBSYMCODELEN; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_ARITHINTDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.cpp b/core/src/fxcodec/jbig2/JBig2_BitStream.cpp deleted file mode 100644 index 1fe7a26aa8..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.cpp +++ /dev/null @@ -1,189 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_BitStream.h" - -#include <algorithm> - -#include "core/include/fpdfapi/cpdf_stream.h" - -CJBig2_BitStream::CJBig2_BitStream(CPDF_StreamAcc* pSrcStream) - : m_pBuf(pSrcStream->GetData()), - m_dwLength(pSrcStream->GetSize()), - m_dwByteIdx(0), - m_dwBitIdx(0), - m_dwObjNum(pSrcStream->GetStream() ? pSrcStream->GetStream()->GetObjNum() - : 0) { - if (m_dwLength > 256 * 1024 * 1024) { - m_dwLength = 0; - m_pBuf = nullptr; - } -} - -CJBig2_BitStream::~CJBig2_BitStream() { -} - -int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, FX_DWORD* dwResult) { - FX_DWORD dwBitPos = getBitPos(); - if (dwBitPos > LengthInBits()) - return -1; - - *dwResult = 0; - if (dwBitPos + dwBits <= LengthInBits()) - dwBitPos = dwBits; - else - dwBitPos = LengthInBits() - dwBitPos; - - for (; dwBitPos > 0; --dwBitPos) { - *dwResult = - (*dwResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - AdvanceBit(); - } - return 0; -} - -int32_t CJBig2_BitStream::readNBits(FX_DWORD dwBits, int32_t* nResult) { - FX_DWORD dwBitPos = getBitPos(); - if (dwBitPos > LengthInBits()) - return -1; - - *nResult = 0; - if (dwBitPos + dwBits <= LengthInBits()) - dwBitPos = dwBits; - else - dwBitPos = LengthInBits() - dwBitPos; - - for (; dwBitPos > 0; --dwBitPos) { - *nResult = - (*nResult << 1) | ((m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01); - AdvanceBit(); - } - return 0; -} - -int32_t CJBig2_BitStream::read1Bit(FX_DWORD* dwResult) { - if (!IsInBound()) - return -1; - - *dwResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - AdvanceBit(); - return 0; -} - -int32_t CJBig2_BitStream::read1Bit(FX_BOOL* bResult) { - if (!IsInBound()) - return -1; - - *bResult = (m_pBuf[m_dwByteIdx] >> (7 - m_dwBitIdx)) & 0x01; - AdvanceBit(); - return 0; -} - -int32_t CJBig2_BitStream::read1Byte(uint8_t* cResult) { - if (!IsInBound()) - return -1; - - *cResult = m_pBuf[m_dwByteIdx]; - ++m_dwByteIdx; - return 0; -} - -int32_t CJBig2_BitStream::readInteger(FX_DWORD* dwResult) { - if (m_dwByteIdx + 3 >= m_dwLength) - return -1; - - *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; -} - -int32_t CJBig2_BitStream::readShortInteger(FX_WORD* dwResult) { - if (m_dwByteIdx + 1 >= m_dwLength) - return -1; - - *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; - m_dwByteIdx += 2; - return 0; -} - -void CJBig2_BitStream::alignByte() { - if (m_dwBitIdx != 0) { - ++m_dwByteIdx; - m_dwBitIdx = 0; - } -} - -uint8_t CJBig2_BitStream::getCurByte() const { - return IsInBound() ? m_pBuf[m_dwByteIdx] : 0; -} - -void CJBig2_BitStream::incByteIdx() { - if (IsInBound()) - ++m_dwByteIdx; -} - -uint8_t CJBig2_BitStream::getCurByte_arith() const { - return IsInBound() ? m_pBuf[m_dwByteIdx] : 0xFF; -} - -uint8_t CJBig2_BitStream::getNextByte_arith() const { - return m_dwByteIdx + 1 < m_dwLength ? m_pBuf[m_dwByteIdx + 1] : 0xFF; -} - -FX_DWORD CJBig2_BitStream::getOffset() const { - return m_dwByteIdx; -} - -void CJBig2_BitStream::setOffset(FX_DWORD dwOffset) { - m_dwByteIdx = std::min(dwOffset, m_dwLength); -} - -FX_DWORD CJBig2_BitStream::getBitPos() const { - return (m_dwByteIdx << 3) + m_dwBitIdx; -} - -void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) { - m_dwByteIdx = dwBitPos >> 3; - m_dwBitIdx = dwBitPos & 7; -} - -const uint8_t* CJBig2_BitStream::getBuf() const { - return m_pBuf; -} - -const uint8_t* CJBig2_BitStream::getPointer() const { - return m_pBuf + m_dwByteIdx; -} - -void CJBig2_BitStream::offset(FX_DWORD dwOffset) { - m_dwByteIdx += dwOffset; -} - -FX_DWORD CJBig2_BitStream::getByteLeft() const { - return m_dwLength - m_dwByteIdx; -} - -void CJBig2_BitStream::AdvanceBit() { - if (m_dwBitIdx == 7) { - ++m_dwByteIdx; - m_dwBitIdx = 0; - } else { - ++m_dwBitIdx; - } -} - -bool CJBig2_BitStream::IsInBound() const { - return m_dwByteIdx < m_dwLength; -} - -FX_DWORD CJBig2_BitStream::LengthInBits() const { - return m_dwLength << 3; -} - -FX_DWORD CJBig2_BitStream::getObjNum() const { - return m_dwObjNum; -} diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h deleted file mode 100644 index fc9aa8a5c4..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_BitStream.h +++ /dev/null @@ -1,58 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ - -#include "core/include/fxcrt/fx_basic.h" - -class CPDF_StreamAcc; - -class CJBig2_BitStream { - public: - explicit CJBig2_BitStream(CPDF_StreamAcc* pSrcStream); - ~CJBig2_BitStream(); - - // TODO(thestig): readFoo() should return bool. - int32_t readNBits(FX_DWORD nBits, FX_DWORD* dwResult); - int32_t readNBits(FX_DWORD nBits, int32_t* nResult); - int32_t read1Bit(FX_DWORD* dwResult); - int32_t read1Bit(FX_BOOL* bResult); - int32_t read1Byte(uint8_t* cResult); - int32_t readInteger(FX_DWORD* dwResult); - int32_t readShortInteger(FX_WORD* wResult); - void alignByte(); - uint8_t getCurByte() const; - void incByteIdx(); - uint8_t getCurByte_arith() const; - uint8_t getNextByte_arith() const; - FX_DWORD getOffset() const; - void setOffset(FX_DWORD dwOffset); - FX_DWORD getBitPos() const; - void setBitPos(FX_DWORD dwBitPos); - const uint8_t* getBuf() const; - FX_DWORD getLength() const { return m_dwLength; } - const uint8_t* getPointer() const; - void offset(FX_DWORD dwOffset); - FX_DWORD getByteLeft() const; - FX_DWORD getObjNum() const; - - private: - void AdvanceBit(); - bool IsInBound() const; - FX_DWORD LengthInBits() const; - - const uint8_t* m_pBuf; - FX_DWORD m_dwLength; - FX_DWORD m_dwByteIdx; - FX_DWORD m_dwBitIdx; - const FX_DWORD m_dwObjNum; - - CJBig2_BitStream(const CJBig2_BitStream&) = delete; - void operator=(const CJBig2_BitStream&) = delete; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_BITSTREAM_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp deleted file mode 100644 index 9279971b46..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Context.cpp +++ /dev/null @@ -1,1439 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_Context.h" - -#include <algorithm> -#include <list> -#include <utility> -#include <vector> - -#include "core/include/fpdfapi/cpdf_stream.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HtrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" -#include "core/src/fxcodec/jbig2/JBig2_PddProc.h" -#include "core/src/fxcodec/jbig2/JBig2_SddProc.h" -#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h" -#include "third_party/base/stl_util.h" - -namespace { - -size_t GetHuffContextSize(uint8_t val) { - return val == 0 ? 65536 : val == 1 ? 8192 : 1024; -} - -size_t GetRefAggContextSize(FX_BOOL val) { - return val ? 1024 : 8192; -} - -} // namespace - -// Implement a very small least recently used (LRU) cache. It is very -// common for a JBIG2 dictionary to span multiple pages in a PDF file, -// and we do not want to decode the same dictionary over and over -// again. We key off of the memory location of the dictionary. The -// list keeps track of the freshness of entries, with freshest ones -// at the front. Even a tiny cache size like 2 makes a dramatic -// difference for typical JBIG2 documents. -static const int kSymbolDictCacheMaxSize = 2; - -CJBig2_Context* CJBig2_Context::CreateContext( - CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause) { - return new CJBig2_Context(pGlobalStream, pSrcStream, pSymbolDictCache, pPause, - false); -} - -void CJBig2_Context::DestroyContext(CJBig2_Context* pContext) { - delete pContext; -} - -CJBig2_Context::CJBig2_Context(CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause, - bool bIsGlobal) - : m_nSegmentDecoded(0), - m_bInPage(false), - m_bBufSpecified(false), - m_PauseStep(10), - m_pPause(pPause), - m_ProcessingStatus(FXCODEC_STATUS_FRAME_READY), - m_gbContext(NULL), - m_dwOffset(0), - m_pSymbolDictCache(pSymbolDictCache), - m_bIsGlobal(bIsGlobal) { - if (pGlobalStream && (pGlobalStream->GetSize() > 0)) { - m_pGlobalContext = new CJBig2_Context(nullptr, pGlobalStream, - pSymbolDictCache, pPause, true); - } else { - m_pGlobalContext = nullptr; - } - - m_pStream.reset(new CJBig2_BitStream(pSrcStream)); -} - -CJBig2_Context::~CJBig2_Context() { - FX_Free(m_gbContext); - m_gbContext = NULL; - delete m_pGlobalContext; - m_pGlobalContext = NULL; -} - -int32_t CJBig2_Context::decode_SquentialOrgnazation(IFX_Pause* pPause) { - int32_t nRet; - if (m_pStream->getByteLeft() <= 0) - return JBIG2_END_OF_FILE; - - while (m_pStream->getByteLeft() >= JBIG2_MIN_SEGMENT_SIZE) { - if (!m_pSegment) { - m_pSegment.reset(new CJBig2_Segment); - nRet = parseSegmentHeader(m_pSegment.get()); - if (nRet != JBIG2_SUCCESS) { - m_pSegment.reset(); - return nRet; - } - m_dwOffset = m_pStream->getOffset(); - } - nRet = parseSegmentData(m_pSegment.get(), pPause); - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - if (nRet == JBIG2_END_OF_PAGE || nRet == JBIG2_END_OF_FILE) { - m_pSegment.reset(); - return JBIG2_SUCCESS; - } - if (nRet != JBIG2_SUCCESS) { - m_pSegment.reset(); - return nRet; - } - if (m_pSegment->m_dwData_length != 0xffffffff) { - m_dwOffset += m_pSegment->m_dwData_length; - m_pStream->setOffset(m_dwOffset); - } else { - m_pStream->offset(4); - } - m_SegmentList.push_back(m_pSegment.release()); - if (m_pStream->getByteLeft() > 0 && m_pPage && pPause && - pPause->NeedToPauseNow()) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - m_PauseStep = 2; - return JBIG2_SUCCESS; - } - } - return JBIG2_SUCCESS; -} -int32_t CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) { - return decode_SquentialOrgnazation(pPause); -} -int32_t CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) { - int32_t nRet; - while (m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) { - std::unique_ptr<CJBig2_Segment> pSegment(new CJBig2_Segment); - nRet = parseSegmentHeader(pSegment.get()); - if (nRet != JBIG2_SUCCESS) { - return nRet; - } else if (pSegment->m_cFlags.s.type == 51) { - break; - } - m_SegmentList.push_back(pSegment.release()); - if (pPause && m_pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 3; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - m_nSegmentDecoded = 0; - return decode_RandomOrgnazation(pPause); -} -int32_t CJBig2_Context::decode_RandomOrgnazation(IFX_Pause* pPause) { - for (; m_nSegmentDecoded < m_SegmentList.size(); ++m_nSegmentDecoded) { - int32_t nRet = - parseSegmentData(m_SegmentList.get(m_nSegmentDecoded), pPause); - if (nRet == JBIG2_END_OF_PAGE || nRet == JBIG2_END_OF_FILE) - return JBIG2_SUCCESS; - - if (nRet != JBIG2_SUCCESS) - return nRet; - - if (m_pPage && pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 4; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return JBIG2_SUCCESS; - } - } - return JBIG2_SUCCESS; -} -int32_t CJBig2_Context::getFirstPage(uint8_t* pBuf, - int32_t width, - int32_t height, - int32_t stride, - IFX_Pause* pPause) { - int32_t nRet = 0; - if (m_pGlobalContext) { - nRet = m_pGlobalContext->decode_EmbedOrgnazation(pPause); - if (nRet != JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - return nRet; - } - } - m_PauseStep = 0; - m_pPage.reset(new CJBig2_Image(width, height, stride, pBuf)); - m_bBufSpecified = true; - if (pPause && pPause->NeedToPauseNow()) { - m_PauseStep = 1; - m_ProcessingStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; - return nRet; - } - return Continue(pPause); -} -int32_t CJBig2_Context::Continue(IFX_Pause* pPause) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_READY; - int32_t nRet; - if (m_PauseStep <= 1) { - nRet = decode_EmbedOrgnazation(pPause); - } 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_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - return nRet; - } - m_PauseStep = 5; - if (!m_bBufSpecified && nRet == JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - return JBIG2_SUCCESS; - } - if (nRet == JBIG2_SUCCESS) { - m_ProcessingStatus = FXCODEC_STATUS_DECODE_FINISH; - } else { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - } - return nRet; -} - -CJBig2_Segment* CJBig2_Context::findSegmentByNumber(FX_DWORD dwNumber) { - if (m_pGlobalContext) { - CJBig2_Segment* pSeg = m_pGlobalContext->findSegmentByNumber(dwNumber); - if (pSeg) { - return pSeg; - } - } - for (size_t i = 0; i < m_SegmentList.size(); ++i) { - CJBig2_Segment* pSeg = m_SegmentList.get(i); - if (pSeg->m_dwNumber == dwNumber) { - return pSeg; - } - } - return nullptr; -} -CJBig2_Segment* CJBig2_Context::findReferredSegmentByTypeAndIndex( - CJBig2_Segment* pSegment, - uint8_t cType, - int32_t nIndex) { - int32_t count = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg && pSeg->m_cFlags.s.type == cType) { - if (count == nIndex) - return pSeg; - ++count; - } - } - return NULL; -} -int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) { - if (m_pStream->readInteger(&pSegment->m_dwNumber) != 0 || - m_pStream->read1Byte(&pSegment->m_cFlags.c) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - - FX_DWORD dwTemp; - uint8_t cTemp = m_pStream->getCurByte(); - if ((cTemp >> 5) == 7) { - if (m_pStream->readInteger( - (FX_DWORD*)&pSegment->m_nReferred_to_segment_count) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - pSegment->m_nReferred_to_segment_count &= 0x1fffffff; - if (pSegment->m_nReferred_to_segment_count > - JBIG2_MAX_REFERRED_SEGMENT_COUNT) { - return JBIG2_ERROR_LIMIT; - } - dwTemp = 5 + 4 + (pSegment->m_nReferred_to_segment_count + 1) / 8; - } else { - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_nReferred_to_segment_count = cTemp >> 5; - dwTemp = 5 + 1; - } - uint8_t cSSize = - pSegment->m_dwNumber > 65536 ? 4 : pSegment->m_dwNumber > 256 ? 2 : 1; - uint8_t cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1; - if (pSegment->m_nReferred_to_segment_count) { - pSegment->m_pReferred_to_segment_numbers = - FX_Alloc(FX_DWORD, pSegment->m_nReferred_to_segment_count); - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - switch (cSSize) { - case 1: - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = cTemp; - break; - case 2: - FX_WORD wTemp; - if (m_pStream->readShortInteger(&wTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = wTemp; - break; - case 4: - if (m_pStream->readInteger(&dwTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_pReferred_to_segment_numbers[i] = dwTemp; - break; - } - if (pSegment->m_pReferred_to_segment_numbers[i] >= pSegment->m_dwNumber) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (cPSize == 1) { - if (m_pStream->read1Byte(&cTemp) != 0) - return JBIG2_ERROR_TOO_SHORT; - pSegment->m_dwPage_association = cTemp; - } else { - if (m_pStream->readInteger(&pSegment->m_dwPage_association) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pSegment->m_dwData_length) != 0) - return JBIG2_ERROR_TOO_SHORT; - - pSegment->m_dwObjNum = m_pStream->getObjNum(); - pSegment->m_dwDataOffset = m_pStream->getOffset(); - pSegment->m_State = JBIG2_SEGMENT_DATA_UNPARSED; - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseSegmentData(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - int32_t ret = ProcessingParseSegmentData(pSegment, pPause); - while (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE && - m_pStream->getByteLeft() > 0) { - ret = ProcessingParseSegmentData(pSegment, pPause); - } - return ret; -} - -int32_t CJBig2_Context::ProcessingParseSegmentData(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_bInPage) - return JBIG2_ERROR_FATAL; - return parseTextRegion(pSegment); - case 16: - return parsePatternDict(pSegment, pPause); - case 20: - case 22: - case 23: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseHalftoneRegion(pSegment, pPause); - case 36: - case 38: - case 39: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseGenericRegion(pSegment, pPause); - case 40: - case 42: - case 43: - if (!m_bInPage) - return JBIG2_ERROR_FATAL; - return parseGenericRefinementRegion(pSegment); - case 48: { - FX_WORD wTemp; - std::unique_ptr<JBig2PageInfo> pPageInfo(new 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) { - return JBIG2_ERROR_TOO_SHORT; - } - pPageInfo->m_bIsStriped = !!(wTemp & 0x8000); - pPageInfo->m_wMaxStripeSize = wTemp & 0x7fff; - bool bMaxHeight = (pPageInfo->m_dwHeight == 0xffffffff); - if (bMaxHeight && pPageInfo->m_bIsStriped != TRUE) - pPageInfo->m_bIsStriped = TRUE; - - if (!m_bBufSpecified) { - FX_DWORD height = - bMaxHeight ? pPageInfo->m_wMaxStripeSize : pPageInfo->m_dwHeight; - m_pPage.reset(new CJBig2_Image(pPageInfo->m_dwWidth, height)); - } - - if (!m_pPage->m_pData) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - return JBIG2_ERROR_TOO_SHORT; - } - - m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0); - m_PageInfoList.push_back(pPageInfo.release()); - m_bInPage = true; - } break; - case 49: - m_bInPage = false; - 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; -} - -int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - FX_WORD wFlags; - if (m_pStream->readShortInteger(&wFlags) != 0) - return JBIG2_ERROR_TOO_SHORT; - - std::unique_ptr<CJBig2_SDDProc> pSymbolDictDecoder(new CJBig2_SDDProc); - pSymbolDictDecoder->SDHUFF = wFlags & 0x0001; - pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001; - pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003; - pSymbolDictDecoder->SDRTEMPLATE = (wFlags >> 12) & 0x0003; - uint8_t cSDHUFFDH = (wFlags >> 2) & 0x0003; - uint8_t cSDHUFFDW = (wFlags >> 4) & 0x0003; - uint8_t cSDHUFFBMSIZE = (wFlags >> 6) & 0x0001; - uint8_t cSDHUFFAGGINST = (wFlags >> 7) & 0x0001; - if (pSymbolDictDecoder->SDHUFF == 0) { - const FX_DWORD dwTemp = (pSymbolDictDecoder->SDTEMPLATE == 0) ? 8 : 2; - for (FX_DWORD i = 0; i < dwTemp; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (pSymbolDictDecoder->SDREFAGG == 1 && - pSymbolDictDecoder->SDRTEMPLATE == 0) { - for (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pSymbolDictDecoder->SDRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pSymbolDictDecoder->SDNUMEXSYMS) != 0 || - m_pStream->readInteger(&pSymbolDictDecoder->SDNUMNEWSYMS) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - if (pSymbolDictDecoder->SDNUMEXSYMS > JBIG2_MAX_EXPORT_SYSMBOLS || - pSymbolDictDecoder->SDNUMNEWSYMS > JBIG2_MAX_NEW_SYSMBOLS) { - return JBIG2_ERROR_LIMIT; - } - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) - return JBIG2_ERROR_FATAL; - } - CJBig2_Segment* pLRSeg = nullptr; - pSymbolDictDecoder->SDNUMINSYMS = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - pSymbolDictDecoder->SDNUMINSYMS += pSeg->m_Result.sd->NumImages(); - pLRSeg = pSeg; - } - } - - std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SDINSYMS; - if (pSymbolDictDecoder->SDNUMINSYMS != 0) { - SDINSYMS.reset(FX_Alloc(CJBig2_Image*, pSymbolDictDecoder->SDNUMINSYMS)); - FX_DWORD dwTemp = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - const CJBig2_SymbolDict& dict = *pSeg->m_Result.sd; - for (size_t j = 0; j < dict.NumImages(); ++j) - SDINSYMS.get()[dwTemp + j] = dict.GetImage(j); - dwTemp += dict.NumImages(); - } - } - } - pSymbolDictDecoder->SDINSYMS = SDINSYMS.get(); - - std::unique_ptr<CJBig2_HuffmanTable> Table_B1; - std::unique_ptr<CJBig2_HuffmanTable> Table_B2; - std::unique_ptr<CJBig2_HuffmanTable> Table_B3; - std::unique_ptr<CJBig2_HuffmanTable> Table_B4; - std::unique_ptr<CJBig2_HuffmanTable> Table_B5; - if (pSymbolDictDecoder->SDHUFF == 1) { - if (cSDHUFFDH == 2 || cSDHUFFDW == 2) - return JBIG2_ERROR_FATAL; - - int32_t nIndex = 0; - if (cSDHUFFDH == 0) { - Table_B4.reset(new CJBig2_HuffmanTable(HuffmanTable_B4, - FX_ArraySize(HuffmanTable_B4), - HuffmanTable_HTOOB_B4)); - pSymbolDictDecoder->SDHUFFDH = Table_B4.get(); - } else if (cSDHUFFDH == 1) { - Table_B5.reset(new CJBig2_HuffmanTable(HuffmanTable_B5, - FX_ArraySize(HuffmanTable_B5), - HuffmanTable_HTOOB_B5)); - pSymbolDictDecoder->SDHUFFDH = Table_B5.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFDH = pSeg->m_Result.ht; - } - if (cSDHUFFDW == 0) { - Table_B2.reset(new CJBig2_HuffmanTable(HuffmanTable_B2, - FX_ArraySize(HuffmanTable_B2), - HuffmanTable_HTOOB_B2)); - pSymbolDictDecoder->SDHUFFDW = Table_B2.get(); - } else if (cSDHUFFDW == 1) { - Table_B3.reset(new CJBig2_HuffmanTable(HuffmanTable_B3, - FX_ArraySize(HuffmanTable_B3), - HuffmanTable_HTOOB_B3)); - pSymbolDictDecoder->SDHUFFDW = Table_B3.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFDW = pSeg->m_Result.ht; - } - if (cSDHUFFBMSIZE == 0) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pSymbolDictDecoder->SDHUFFBMSIZE = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFBMSIZE = pSeg->m_Result.ht; - } - if (pSymbolDictDecoder->SDREFAGG == 1) { - if (cSDHUFFAGGINST == 0) { - if (!Table_B1) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - } - pSymbolDictDecoder->SDHUFFAGGINST = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pSymbolDictDecoder->SDHUFFAGGINST = pSeg->m_Result.ht; - } - } - } - - const bool bUseGbContext = (pSymbolDictDecoder->SDHUFF == 0); - const bool bUseGrContext = (pSymbolDictDecoder->SDREFAGG == 1); - const size_t gbContextSize = - GetHuffContextSize(pSymbolDictDecoder->SDTEMPLATE); - const size_t grContextSize = - GetRefAggContextSize(pSymbolDictDecoder->SDRTEMPLATE); - std::vector<JBig2ArithCtx> gbContext; - std::vector<JBig2ArithCtx> grContext; - if ((wFlags & 0x0100) && pLRSeg) { - if (bUseGbContext) { - gbContext = pLRSeg->m_Result.sd->GbContext(); - if (gbContext.size() != gbContextSize) - return JBIG2_ERROR_FATAL; - } - if (bUseGrContext) { - grContext = pLRSeg->m_Result.sd->GrContext(); - if (grContext.size() != grContextSize) - return JBIG2_ERROR_FATAL; - } - } else { - if (bUseGbContext) - gbContext.resize(gbContextSize); - if (bUseGrContext) - grContext.resize(grContextSize); - } - - CJBig2_CacheKey key = - CJBig2_CacheKey(pSegment->m_dwObjNum, pSegment->m_dwDataOffset); - FX_BOOL cache_hit = false; - pSegment->m_nResultType = JBIG2_SYMBOL_DICT_POINTER; - if (m_bIsGlobal && key.first != 0) { - for (auto it = m_pSymbolDictCache->begin(); it != m_pSymbolDictCache->end(); - ++it) { - if (it->first == key) { - std::unique_ptr<CJBig2_SymbolDict> copy(it->second->DeepCopy()); - pSegment->m_Result.sd = copy.release(); - m_pSymbolDictCache->push_front(*it); - m_pSymbolDictCache->erase(it); - cache_hit = true; - break; - } - } - } - if (!cache_hit) { - if (bUseGbContext) { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith( - pArithDecoder.get(), &gbContext, &grContext); - if (!pSegment->m_Result.sd) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.sd = pSymbolDictDecoder->decode_Huffman( - m_pStream.get(), &gbContext, &grContext, pPause); - if (!pSegment->m_Result.sd) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (m_bIsGlobal && kSymbolDictCacheMaxSize > 0) { - std::unique_ptr<CJBig2_SymbolDict> value = - pSegment->m_Result.sd->DeepCopy(); - int size = pdfium::CollectionSize<int>(*m_pSymbolDictCache); - while (size >= kSymbolDictCacheMaxSize) { - delete m_pSymbolDictCache->back().second; - m_pSymbolDictCache->pop_back(); - --size; - } - m_pSymbolDictCache->push_front(CJBig2_CachePair(key, value.release())); - } - } - if (wFlags & 0x0200) { - if (bUseGbContext) - pSegment->m_Result.sd->SetGbContext(gbContext); - if (bUseGrContext) - pSegment->m_Result.sd->SetGrContext(grContext); - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) { - FX_WORD wFlags; - JBig2RegionInfo ri; - if (parseRegionInfo(&ri) != JBIG2_SUCCESS || - m_pStream->readShortInteger(&wFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - - std::unique_ptr<CJBig2_TRDProc> pTRD(new CJBig2_TRDProc); - pTRD->SBW = ri.width; - pTRD->SBH = ri.height; - pTRD->SBHUFF = wFlags & 0x0001; - pTRD->SBREFINE = (wFlags >> 1) & 0x0001; - FX_DWORD 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; - - uint8_t cSBHUFFFS; - uint8_t cSBHUFFDS; - uint8_t cSBHUFFDT; - uint8_t cSBHUFFRDW; - uint8_t cSBHUFFRDH; - uint8_t cSBHUFFRDX; - uint8_t cSBHUFFRDY; - uint8_t cSBHUFFRSIZE; - if (pTRD->SBHUFF == 1) { - if (m_pStream->readShortInteger(&wFlags) != 0) - return JBIG2_ERROR_TOO_SHORT; - - 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 (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pTRD->SBRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - if (m_pStream->readInteger(&pTRD->SBNUMINSTANCES) != 0) - return JBIG2_ERROR_TOO_SHORT; - - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - if (!findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i])) - return JBIG2_ERROR_FATAL; - } - - pTRD->SBNUMSYMS = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - pTRD->SBNUMSYMS += pSeg->m_Result.sd->NumImages(); - } - } - - std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SBSYMS; - if (pTRD->SBNUMSYMS > 0) { - SBSYMS.reset(FX_Alloc(CJBig2_Image*, pTRD->SBNUMSYMS)); - dwTemp = 0; - for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]); - if (pSeg->m_cFlags.s.type == 0) { - const CJBig2_SymbolDict& dict = *pSeg->m_Result.sd; - for (size_t j = 0; j < dict.NumImages(); ++j) - SBSYMS.get()[dwTemp + j] = dict.GetImage(j); - dwTemp += dict.NumImages(); - } - } - pTRD->SBSYMS = SBSYMS.get(); - } else { - pTRD->SBSYMS = NULL; - } - - std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES; - if (pTRD->SBHUFF == 1) { - SBSYMCODES.reset( - decodeSymbolIDHuffmanTable(m_pStream.get(), pTRD->SBNUMSYMS)); - if (!SBSYMCODES) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - pTRD->SBSYMCODES = SBSYMCODES.get(); - } else { - dwTemp = 0; - while ((FX_DWORD)(1 << dwTemp) < pTRD->SBNUMSYMS) { - ++dwTemp; - } - pTRD->SBSYMCODELEN = (uint8_t)dwTemp; - } - - std::unique_ptr<CJBig2_HuffmanTable> Table_B1; - std::unique_ptr<CJBig2_HuffmanTable> Table_B6; - std::unique_ptr<CJBig2_HuffmanTable> Table_B7; - std::unique_ptr<CJBig2_HuffmanTable> Table_B8; - std::unique_ptr<CJBig2_HuffmanTable> Table_B9; - std::unique_ptr<CJBig2_HuffmanTable> Table_B10; - std::unique_ptr<CJBig2_HuffmanTable> Table_B11; - std::unique_ptr<CJBig2_HuffmanTable> Table_B12; - std::unique_ptr<CJBig2_HuffmanTable> Table_B13; - std::unique_ptr<CJBig2_HuffmanTable> Table_B14; - std::unique_ptr<CJBig2_HuffmanTable> Table_B15; - if (pTRD->SBHUFF == 1) { - if (cSBHUFFFS == 2 || cSBHUFFRDW == 2 || cSBHUFFRDH == 2 || - cSBHUFFRDX == 2 || cSBHUFFRDY == 2) { - return JBIG2_ERROR_FATAL; - } - int32_t nIndex = 0; - if (cSBHUFFFS == 0) { - Table_B6.reset(new CJBig2_HuffmanTable(HuffmanTable_B6, - FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - pTRD->SBHUFFFS = Table_B6.get(); - } else if (cSBHUFFFS == 1) { - Table_B7.reset(new CJBig2_HuffmanTable(HuffmanTable_B7, - FX_ArraySize(HuffmanTable_B7), - HuffmanTable_HTOOB_B7)); - pTRD->SBHUFFFS = Table_B7.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFFS = pSeg->m_Result.ht; - } - if (cSBHUFFDS == 0) { - Table_B8.reset(new CJBig2_HuffmanTable(HuffmanTable_B8, - FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - pTRD->SBHUFFDS = Table_B8.get(); - } else if (cSBHUFFDS == 1) { - Table_B9.reset(new CJBig2_HuffmanTable(HuffmanTable_B9, - FX_ArraySize(HuffmanTable_B9), - HuffmanTable_HTOOB_B9)); - pTRD->SBHUFFDS = Table_B9.get(); - } else if (cSBHUFFDS == 2) { - Table_B10.reset(new CJBig2_HuffmanTable(HuffmanTable_B10, - FX_ArraySize(HuffmanTable_B10), - HuffmanTable_HTOOB_B10)); - pTRD->SBHUFFDS = Table_B10.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFDS = pSeg->m_Result.ht; - } - if (cSBHUFFDT == 0) { - Table_B11.reset(new CJBig2_HuffmanTable(HuffmanTable_B11, - FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - pTRD->SBHUFFDT = Table_B11.get(); - } else if (cSBHUFFDT == 1) { - Table_B12.reset(new CJBig2_HuffmanTable(HuffmanTable_B12, - FX_ArraySize(HuffmanTable_B12), - HuffmanTable_HTOOB_B12)); - pTRD->SBHUFFDT = Table_B12.get(); - } else if (cSBHUFFDT == 2) { - Table_B13.reset(new CJBig2_HuffmanTable(HuffmanTable_B13, - FX_ArraySize(HuffmanTable_B13), - HuffmanTable_HTOOB_B13)); - pTRD->SBHUFFDT = Table_B13.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFDT = pSeg->m_Result.ht; - } - if (cSBHUFFRDW == 0) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - pTRD->SBHUFFRDW = Table_B14.get(); - } else if (cSBHUFFRDW == 1) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - pTRD->SBHUFFRDW = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDW = pSeg->m_Result.ht; - } - if (cSBHUFFRDH == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDH = Table_B14.get(); - } else if (cSBHUFFRDH == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDH = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDH = pSeg->m_Result.ht; - } - if (cSBHUFFRDX == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDX = Table_B14.get(); - } else if (cSBHUFFRDX == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDX = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDX = pSeg->m_Result.ht; - } - if (cSBHUFFRDY == 0) { - if (!Table_B14) { - Table_B14.reset(new CJBig2_HuffmanTable(HuffmanTable_B14, - FX_ArraySize(HuffmanTable_B14), - HuffmanTable_HTOOB_B14)); - } - pTRD->SBHUFFRDY = Table_B14.get(); - } else if (cSBHUFFRDY == 1) { - if (!Table_B15) { - Table_B15.reset(new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - } - pTRD->SBHUFFRDY = Table_B15.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRDY = pSeg->m_Result.ht; - } - if (cSBHUFFRSIZE == 0) { - Table_B1.reset(new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pTRD->SBHUFFRSIZE = Table_B1.get(); - } else { - CJBig2_Segment* pSeg = - findReferredSegmentByTypeAndIndex(pSegment, 53, nIndex++); - if (!pSeg) - return JBIG2_ERROR_FATAL; - pTRD->SBHUFFRSIZE = pSeg->m_Result.ht; - } - } - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext; - if (pTRD->SBREFINE == 1) { - const size_t size = GetRefAggContextSize(pTRD->SBRTEMPLATE); - grContext.reset(FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size); - } - if (pTRD->SBHUFF == 0) { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = - pTRD->decode_Arith(pArithDecoder.get(), grContext.get(), nullptr); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = - pTRD->decode_Huffman(m_pStream.get(), grContext.get()); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 4) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - 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; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - uint8_t cFlags; - std::unique_ptr<CJBig2_PDDProc> pPDD(new 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) { - return JBIG2_ERROR_TOO_SHORT; - } - if (pPDD->GRAYMAX > JBIG2_MAX_PATTERN_INDEX) - return JBIG2_ERROR_LIMIT; - - pPDD->HDMMR = cFlags & 0x01; - pPDD->HDTEMPLATE = (cFlags >> 1) & 0x03; - pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER; - if (pPDD->HDMMR == 0) { - const size_t size = GetHuffContextSize(pPDD->HDTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.pd = - pPDD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause); - if (!pSegment->m_Result.pd) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.pd = pPDD->decode_MMR(m_pStream.get(), pPause); - if (!pSegment->m_Result.pd) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - uint8_t cFlags; - JBig2RegionInfo ri; - std::unique_ptr<CJBig2_HTRDProc> pHRD(new 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) { - return JBIG2_ERROR_TOO_SHORT; - } - - if (pHRD->HGW == 0 || pHRD->HGH == 0) - return JBIG2_ERROR_FATAL; - - 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) - return JBIG2_ERROR_FATAL; - - CJBig2_Segment* pSeg = - findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if (!pSeg || (pSeg->m_cFlags.s.type != 16)) - return JBIG2_ERROR_FATAL; - - CJBig2_PatternDict* pPatternDict = pSeg->m_Result.pd; - if (!pPatternDict || (pPatternDict->NUMPATS == 0)) - return JBIG2_ERROR_FATAL; - - 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) { - const size_t size = GetHuffContextSize(pHRD->HTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_Result.im = - pHRD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - } else { - pSegment->m_Result.im = pHRD->decode_MMR(m_pStream.get(), pPause); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 20) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - 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; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment, - IFX_Pause* pPause) { - if (!m_pGRD) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc); - uint8_t cFlags; - if (parseRegionInfo(&m_ri) != JBIG2_SUCCESS || - m_pStream->read1Byte(&cFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - if (m_ri.height < 0 || m_ri.width < 0) - return JBIG2_FAILED; - - pGRD->GBW = m_ri.width; - pGRD->GBH = m_ri.height; - pGRD->MMR = cFlags & 0x01; - pGRD->GBTEMPLATE = (cFlags >> 1) & 0x03; - pGRD->TPGDON = (cFlags >> 3) & 0x01; - if (pGRD->MMR == 0) { - if (pGRD->GBTEMPLATE == 0) { - for (int32_t i = 0; i < 8; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRD->GBAT[i]) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - } else { - for (int32_t i = 0; i < 2; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRD->GBAT[i]) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - } - } - } - pGRD->USESKIP = 0; - m_pGRD = std::move(pGRD); - } - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - if (m_pGRD->MMR == 0) { - if (!m_gbContext) { - const size_t size = GetHuffContextSize(m_pGRD->GBTEMPLATE); - m_gbContext = FX_Alloc(JBig2ArithCtx, size); - JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx) * size); - } - if (!m_pArithDecoder) { - m_pArithDecoder.reset(new CJBig2_ArithDecoder(m_pStream.get())); - m_ProcessingStatus = m_pGRD->Start_decode_Arith( - &pSegment->m_Result.im, m_pArithDecoder.get(), m_gbContext, pPause); - } else { - m_ProcessingStatus = m_pGRD->Continue_decode(pPause); - } - if (m_ProcessingStatus == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - if (pSegment->m_cFlags.s.type != 36) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - 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 { - m_pArithDecoder.reset(); - FX_Free(m_gbContext); - m_gbContext = NULL; - if (!pSegment->m_Result.im) { - m_ProcessingStatus = FXCODEC_STATUS_ERROR; - m_pGRD.reset(); - return JBIG2_ERROR_FATAL; - } - m_pStream->alignByte(); - m_pStream->offset(2); - } - } else { - FXCODEC_STATUS status = m_pGRD->Start_decode_MMR(&pSegment->m_Result.im, - m_pStream.get(), pPause); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - m_pGRD->Continue_decode(pPause); - } - if (!pSegment->m_Result.im) { - m_pGRD.reset(); - return JBIG2_ERROR_FATAL; - } - m_pStream->alignByte(); - } - if (pSegment->m_cFlags.s.type != 36) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - 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; - } - m_pGRD.reset(); - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) { - JBig2RegionInfo ri; - uint8_t cFlags; - if (parseRegionInfo(&ri) != JBIG2_SUCCESS || - m_pStream->read1Byte(&cFlags) != 0) { - return JBIG2_ERROR_TOO_SHORT; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc); - pGRRD->GRW = ri.width; - pGRRD->GRH = ri.height; - pGRRD->GRTEMPLATE = cFlags & 0x01; - pGRRD->TPGRON = (cFlags >> 1) & 0x01; - if (pGRRD->GRTEMPLATE == 0) { - for (int32_t i = 0; i < 4; ++i) { - if (m_pStream->read1Byte((uint8_t*)&pGRRD->GRAT[i]) != 0) - return JBIG2_ERROR_TOO_SHORT; - } - } - CJBig2_Segment* pSeg = nullptr; - if (pSegment->m_nReferred_to_segment_count > 0) { - int32_t i; - for (i = 0; i < pSegment->m_nReferred_to_segment_count; ++i) { - pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[0]); - if (!pSeg) - return JBIG2_ERROR_FATAL; - - 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) - return JBIG2_ERROR_FATAL; - - pGRRD->GRREFERENCE = pSeg->m_Result.im; - } else { - pGRRD->GRREFERENCE = m_pPage.get(); - } - pGRRD->GRREFERENCEDX = 0; - pGRRD->GRREFERENCEDY = 0; - const size_t size = GetRefAggContextSize(pGRRD->GRTEMPLATE); - std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext( - FX_Alloc(JBig2ArithCtx, size)); - JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size); - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(m_pStream.get())); - pSegment->m_nResultType = JBIG2_IMAGE_POINTER; - pSegment->m_Result.im = pGRRD->decode(pArithDecoder.get(), grContext.get()); - if (!pSegment->m_Result.im) - return JBIG2_ERROR_FATAL; - - m_pStream->alignByte(); - m_pStream->offset(2); - if (pSegment->m_cFlags.s.type != 40) { - if (!m_bBufSpecified) { - JBig2PageInfo* pPageInfo = m_PageInfoList.back(); - 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; - } - return JBIG2_SUCCESS; -} - -int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) { - pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER; - pSegment->m_Result.ht = nullptr; - std::unique_ptr<CJBig2_HuffmanTable> pHuff( - new CJBig2_HuffmanTable(m_pStream.get())); - if (!pHuff->IsOK()) - return JBIG2_ERROR_FATAL; - - pSegment->m_Result.ht = pHuff.release(); - m_pStream->alignByte(); - return JBIG2_SUCCESS; -} - -int32_t 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) { - const size_t kRunCodesSize = 35; - int32_t runcodes[kRunCodesSize]; - int32_t runcodes_len[kRunCodesSize]; - for (int32_t i = 0; i < kRunCodesSize; ++i) { - if (pStream->readNBits(4, &runcodes_len[i]) != 0) - return nullptr; - } - huffman_assign_code(runcodes, runcodes_len, kRunCodesSize); - - std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES( - FX_Alloc(JBig2HuffmanCode, SBNUMSYMS)); - int32_t run; - int32_t i = 0; - while (i < (int)SBNUMSYMS) { - int32_t j; - int32_t nVal = 0; - int32_t nBits = 0; - FX_DWORD nTemp; - while (true) { - if (pStream->read1Bit(&nTemp) != 0) - return nullptr; - - nVal = (nVal << 1) | nTemp; - ++nBits; - for (j = 0; j < kRunCodesSize; ++j) { - if (nBits == runcodes_len[j] && nVal == runcodes[j]) { - break; - } - } - if (j < kRunCodesSize) { - break; - } - } - int32_t runcode = j; - if (runcode < 32) { - SBSYMCODES.get()[i].codelen = runcode; - run = 0; - } else if (runcode == 32) { - if (pStream->readNBits(2, &nTemp) != 0) - return nullptr; - run = nTemp + 3; - } else if (runcode == 33) { - if (pStream->readNBits(3, &nTemp) != 0) - return nullptr; - run = nTemp + 3; - } else if (runcode == 34) { - if (pStream->readNBits(7, &nTemp) != 0) - return nullptr; - run = nTemp + 11; - } - if (run > 0) { - if (i + run > (int)SBNUMSYMS) - return nullptr; - for (j = 0; j < run; ++j) { - if (runcode == 32 && i > 0) { - SBSYMCODES.get()[i + j].codelen = SBSYMCODES.get()[i - 1].codelen; - } else { - SBSYMCODES.get()[i + j].codelen = 0; - } - } - i += run; - } else { - ++i; - } - } - huffman_assign_code(SBSYMCODES.get(), SBNUMSYMS); - return SBSYMCODES.release(); -} - -void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) { - // TODO(thestig) CJBig2_HuffmanTable::parseFromCodedBuffer() has similar code. - 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 = FX_Alloc(int, LENMAX + 1); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = FX_Alloc(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; - } - FX_Free(LENCOUNT); - FX_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 = FX_Alloc(int, (LENMAX + 1)); - JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1)); - FIRSTCODE = FX_Alloc(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; - } - FX_Free(LENCOUNT); - FX_Free(FIRSTCODE); -} diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h deleted file mode 100644 index 68c575392a..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Context.h +++ /dev/null @@ -1,134 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ - -#include <list> -#include <memory> -#include <utility> - -#include "core/include/fpdfapi/cpdf_object.h" -#include "core/include/fxcodec/fx_codec_def.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" -#include "core/src/fxcodec/jbig2/JBig2_Page.h" -#include "core/src/fxcodec/jbig2/JBig2_Segment.h" - -class CJBig2_ArithDecoder; -class CJBig2_GRDProc; -class CPDF_StreamAcc; -class IFX_Pause; - -// Cache is keyed by the ObjNum of a stream and an index within the stream. -using CJBig2_CacheKey = std::pair<FX_DWORD, FX_DWORD>; -// NB: CJBig2_SymbolDict* is owned. -using CJBig2_CachePair = std::pair<CJBig2_CacheKey, CJBig2_SymbolDict*>; - -#define JBIG2_SUCCESS 0 -#define JBIG2_FAILED -1 -#define JBIG2_ERROR_TOO_SHORT -2 -#define JBIG2_ERROR_FATAL -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_MIN_SEGMENT_SIZE 11 - -class CJBig2_Context { - public: - static CJBig2_Context* CreateContext( - CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause = NULL); - - static void DestroyContext(CJBig2_Context* pContext); - - int32_t getFirstPage(uint8_t* pBuf, - int32_t width, - int32_t height, - int32_t stride, - IFX_Pause* pPause); - - int32_t Continue(IFX_Pause* pPause); - FXCODEC_STATUS GetProcessingStatus() { return m_ProcessingStatus; } - - private: - CJBig2_Context(CPDF_StreamAcc* pGlobalStream, - CPDF_StreamAcc* pSrcStream, - std::list<CJBig2_CachePair>* pSymbolDictCache, - IFX_Pause* pPause, - bool bIsGlobal); - - ~CJBig2_Context(); - - int32_t decode_SquentialOrgnazation(IFX_Pause* pPause); - - int32_t decode_EmbedOrgnazation(IFX_Pause* pPause); - - int32_t decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause); - - int32_t decode_RandomOrgnazation(IFX_Pause* pPause); - - CJBig2_Segment* findSegmentByNumber(FX_DWORD dwNumber); - - CJBig2_Segment* findReferredSegmentByTypeAndIndex(CJBig2_Segment* pSegment, - uint8_t cType, - int32_t nIndex); - - int32_t parseSegmentHeader(CJBig2_Segment* pSegment); - - int32_t parseSegmentData(CJBig2_Segment* pSegment, IFX_Pause* pPause); - int32_t ProcessingParseSegmentData(CJBig2_Segment* pSegment, - IFX_Pause* pPause); - - int32_t parseSymbolDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseTextRegion(CJBig2_Segment* pSegment); - - int32_t parsePatternDict(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseHalftoneRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseGenericRegion(CJBig2_Segment* pSegment, IFX_Pause* pPause); - - int32_t parseGenericRefinementRegion(CJBig2_Segment* pSegment); - - int32_t parseTable(CJBig2_Segment* pSegment); - - int32_t 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; - std::unique_ptr<CJBig2_BitStream> m_pStream; - CJBig2_List<CJBig2_Segment> m_SegmentList; - CJBig2_List<JBig2PageInfo> m_PageInfoList; - std::unique_ptr<CJBig2_Image> m_pPage; - size_t m_nSegmentDecoded; - bool m_bInPage; - bool m_bBufSpecified; - int32_t m_PauseStep; - IFX_Pause* m_pPause; - FXCODEC_STATUS m_ProcessingStatus; - std::unique_ptr<CJBig2_ArithDecoder> m_pArithDecoder; - std::unique_ptr<CJBig2_GRDProc> m_pGRD; - JBig2ArithCtx* m_gbContext; - std::unique_ptr<CJBig2_Segment> m_pSegment; - FX_DWORD m_dwOffset; - JBig2RegionInfo m_ri; - std::list<CJBig2_CachePair>* const m_pSymbolDictCache; - bool m_bIsGlobal; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Define.h b/core/src/fxcodec/jbig2/JBig2_Define.h deleted file mode 100644 index 68e2ff2533..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Define.h +++ /dev/null @@ -1,36 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ - -#include "core/include/fxcrt/fx_system.h" - -#define JBIG2_memset FXSYS_memset -#define JBIG2_memcmp FXSYS_memcmp -#define JBIG2_memcpy FXSYS_memcpy -#define JBIG2_OOB 1 - -struct JBig2RegionInfo { - int32_t width; - int32_t height; - int32_t x; - int32_t y; - uint8_t flags; -}; - -struct JBig2HuffmanCode { - int32_t codelen; - int32_t code; -}; - -#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 // CORE_SRC_FXCODEC_JBIG2_JBIG2_DEFINE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp deleted file mode 100644 index cf0f60405c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp +++ /dev/null @@ -1,1259 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GrdProc.h" - -#include <memory> - -#include "core/include/fxcodec/fx_codec.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_GRDProc::CJBig2_GRDProc() - : m_loopIndex(0), - m_pLine(nullptr), - m_pPause(nullptr), - m_DecodeType(0), - LTP(0) { - m_ReplaceRect.left = 0; - m_ReplaceRect.bottom = 0; - m_ReplaceRect.top = 0; - m_ReplaceRect.right = 0; -} - -bool CJBig2_GRDProc::UseTemplate0Opt3() const { - return (GBAT[0] == 3) && (GBAT[1] == -1) && (GBAT[2] == -3) && - (GBAT[3] == -1) && (GBAT[4] == 2) && (GBAT[5] == -2) && - (GBAT[6] == -2) && (GBAT[7] == -2); -} - -bool CJBig2_GRDProc::UseTemplate1Opt3() const { - return (GBAT[0] == 3) && (GBAT[1] == -1); -} - -bool CJBig2_GRDProc::UseTemplate23Opt3() const { - return (GBAT[0] == 2) && (GBAT[1] == -1); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - if (GBW == 0 || GBH == 0) - return new CJBig2_Image(GBW, GBH); - - if (GBTEMPLATE == 0) { - if (UseTemplate0Opt3()) - return decode_Arith_Template0_opt3(pArithDecoder, gbContext); - return decode_Arith_Template0_unopt(pArithDecoder, gbContext); - } else if (GBTEMPLATE == 1) { - if (UseTemplate1Opt3()) - return decode_Arith_Template1_opt3(pArithDecoder, gbContext); - return decode_Arith_Template1_unopt(pArithDecoder, gbContext); - } else if (GBTEMPLATE == 2) { - if (UseTemplate23Opt3()) - return decode_Arith_Template2_opt3(pArithDecoder, gbContext); - return decode_Arith_Template2_unopt(pArithDecoder, gbContext); - } else { - if (UseTemplate23Opt3()) - return decode_Arith_Template3_opt3(pArithDecoder, gbContext); - return decode_Arith_Template3_unopt(pArithDecoder, gbContext); - } -} -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new 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.release(); -} -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - uint8_t* pLine, *pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt3( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1; - uint8_t* pLine, *pLine1, cVal; - int32_t nStride, k; - int32_t nLineBytes, nBitsLeft, cc; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH)); - if (!GBREG->m_pData) - return nullptr; - - 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.release(); -} - -CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2; - LTP = 0; - std::unique_ptr<CJBig2_Image> GBREG(new 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.release(); -} - -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) - *pImage = new CJBig2_Image(GBW, GBH); - if (!(*pImage)->m_pData) { - delete *pImage; - *pImage = nullptr; - 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 = nullptr; - 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 (UseTemplate0Opt3()) { - 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 (UseTemplate1Opt3()) { - 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 (UseTemplate23Opt3()) { - 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 (UseTemplate23Opt3()) { - 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_MMR(CJBig2_Image** pImage, - CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - int bitpos, i; - *pImage = new CJBig2_Image(GBW, GBH); - if (!(*pImage)->m_pData) { - delete (*pImage); - (*pImage) = nullptr; - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return m_ProssiveStatus; - } - bitpos = (int)pStream->getBitPos(); - FaxG4Decode(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::Continue_decode(IFX_Pause* pPause) { - if (m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) - return m_ProssiveStatus; - - if (m_DecodeType != 1) { - m_ProssiveStatus = FXCODEC_STATUS_ERROR; - return m_ProssiveStatus; - } - - return decode_Arith(pPause); -} - -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; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t 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); - 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; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t 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; - uint8_t* pLine1, *pLine2, cVal; - int32_t nStride, nStride2, k; - int32_t 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; - uint8_t* pLine1, cVal; - int32_t nStride, k; - int32_t 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_GrdProc.h b/core/src/fxcodec/jbig2/JBig2_GrdProc.h deleted file mode 100644 index 07f28cca6d..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrdProc.h +++ /dev/null @@ -1,124 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ - -#include "core/include/fxcodec/fx_codec_def.h" -#include "core/include/fxcrt/fx_coordinates.h" -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_Image; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_GRDProc { - public: - CJBig2_GRDProc(); - - CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage, - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause); - FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage, - CJBig2_BitStream* pStream, - IFX_Pause* pPause); - FXCODEC_STATUS Continue_decode(IFX_Pause* pPause); - FX_RECT GetReplaceRect() const { return m_ReplaceRect; } - - FX_BOOL MMR; - FX_DWORD GBW; - FX_DWORD GBH; - uint8_t GBTEMPLATE; - FX_BOOL TPGDON; - FX_BOOL USESKIP; - CJBig2_Image* SKIP; - int8_t GBAT[8]; - - private: - bool UseTemplate0Opt3() const; - bool UseTemplate1Opt3() const; - bool UseTemplate23Opt3() const; - - FXCODEC_STATUS decode_Arith(IFX_Pause* pPause); - 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); - 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_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template1_unopt(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_opt3(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - CJBig2_Image* decode_Arith_Template3_unopt(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext); - - FX_DWORD m_loopIndex; - uint8_t* 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; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp deleted file mode 100644 index eaa9a76608..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp +++ /dev/null @@ -1,516 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (GRW == 0 || GRH == 0) - return new CJBig2_Image(GRW, GRH); - - if (GRTEMPLATE == 0) { - if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && - (GRAT[3] == -1) && (GRREFERENCEDX == 0) && - (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { - return decode_Template0_opt(pArithDecoder, grContext); - } - return decode_Template0_unopt(pArithDecoder, grContext); - } - - if ((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) - return decode_Template1_opt(pArithDecoder, grContext); - 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; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new 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.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (!GRREFERENCE->m_pData) - return nullptr; - - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t* pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - if (!GRREG->m_pData) - return nullptr; - - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; - } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0010]); - LTP = LTP ^ SLTP; - } - line1 = (h > 0) ? pLine[-nStride] << 4 : 0; - int32_t 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 (int32_t 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 (int32_t 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.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template1_unopt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line2, line3, line4, line5; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new 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.release(); -} - -CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext) { - if (!GRREFERENCE->m_pData) - return nullptr; - - FX_BOOL LTP, SLTP, bVal; - FX_DWORD CONTEXT; - FX_DWORD line1, line1_r, line2_r, line3_r; - uint8_t* pLine, *pLineR, cVal; - intptr_t nStride, nStrideR, nOffset; - int32_t k, nBits; - int32_t GRWR, GRHR; - int32_t GRW, GRH; - GRW = (int32_t)CJBig2_GRRDProc::GRW; - GRH = (int32_t)CJBig2_GRRDProc::GRH; - LTP = 0; - std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); - if (!GRREG->m_pData) - return nullptr; - - pLine = GRREG->m_pData; - pLineR = GRREFERENCE->m_pData; - nStride = GRREG->m_nStride; - nStrideR = GRREFERENCE->m_nStride; - GRWR = (int32_t)GRREFERENCE->m_nWidth; - GRHR = (int32_t)GRREFERENCE->m_nHeight; - if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { - GRREFERENCEDY = 0; - } - nOffset = -GRREFERENCEDY * nStrideR; - for (int32_t h = 0; h < GRH; h++) { - if (TPGRON) { - SLTP = pArithDecoder->DECODE(&grContext[0x0008]); - LTP = LTP ^ SLTP; - } - line1 = (h > 0) ? pLine[-nStride] << 1 : 0; - int32_t 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 (int32_t 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 (int32_t 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.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_GrrdProc.h b/core/src/fxcodec/jbig2/JBig2_GrrdProc.h deleted file mode 100644 index 5d8eabb164..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GrrdProc.h +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_Image; -struct JBig2ArithCtx; - -class CJBig2_GRRDProc { - 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); - - FX_DWORD GRW; - FX_DWORD GRH; - FX_BOOL GRTEMPLATE; - CJBig2_Image* GRREFERENCE; - int32_t GRREFERENCEDX; - int32_t GRREFERENCEDY; - FX_BOOL TPGRON; - int8_t GRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GRRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp b/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp deleted file mode 100644 index 42b3b59142..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp +++ /dev/null @@ -1,123 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_GsidProc.h" - -#include <memory> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" - -FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new 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; - } - - CJBig2_List<CJBig2_Image> GSPLANES(GSBPP); - for (int32_t i = GSBPP - 1; i >= 0; --i) { - CJBig2_Image* pImage = nullptr; - FXCODEC_STATUS status = - pGRD->Start_decode_Arith(&pImage, pArithDecoder, gbContext, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) - pGRD->Continue_decode(pPause); - - if (!pImage) - return nullptr; - - GSPLANES.set(i, pImage); - - if (i < GSBPP - 1) - pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR); - } - std::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS( - FX_Alloc2D(FX_DWORD, GSW, GSH)); - JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); - for (FX_DWORD y = 0; y < GSH; ++y) { - for (FX_DWORD x = 0; x < GSW; ++x) { - for (int32_t i = 0; i < GSBPP; ++i) { - GSVALS.get()[y * GSW + x] |= GSPLANES.get(i)->getPixel(x, y) << i; - } - } - } - return GSVALS.release(); -} - -FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = GSMMR; - pGRD->GBW = GSW; - pGRD->GBH = GSH; - - std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP)); - JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP); - FXCODEC_STATUS status = - pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!GSPLANES.get()[GSBPP - 1]) - return nullptr; - - pStream->alignByte(); - pStream->offset(3); - int32_t J = GSBPP - 2; - while (J >= 0) { - FXCODEC_STATUS status = - pGRD->Start_decode_MMR(&GSPLANES.get()[J], pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!GSPLANES.get()[J]) { - for (int32_t K = GSBPP - 1; K > J; --K) { - delete GSPLANES.get()[K]; - return nullptr; - } - } - pStream->alignByte(); - pStream->offset(3); - GSPLANES.get()[J]->composeFrom(0, 0, GSPLANES.get()[J + 1], - JBIG2_COMPOSE_XOR); - J = J - 1; - } - std::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH)); - JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH); - for (FX_DWORD y = 0; y < GSH; ++y) { - for (FX_DWORD x = 0; x < GSW; ++x) { - for (J = 0; J < GSBPP; ++J) { - GSVALS.get()[y * GSW + x] |= GSPLANES.get()[J]->getPixel(x, y) << J; - } - } - } - for (J = 0; J < GSBPP; ++J) { - delete GSPLANES.get()[J]; - } - return GSVALS.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_GsidProc.h b/core/src/fxcodec/jbig2/JBig2_GsidProc.h deleted file mode 100644 index dfd16b8f0c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_GsidProc.h +++ /dev/null @@ -1,36 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_Image; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_GSIDProc { - 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; - uint8_t GSBPP; - FX_DWORD GSW; - FX_DWORD GSH; - uint8_t GSTEMPLATE; - CJBig2_Image* GSKIP; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_GSIDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp deleted file mode 100644 index d49cab92e5..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp +++ /dev/null @@ -1,104 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_HtrdProc.h" - -#include <memory> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_GsidProc.h" - -CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_DWORD ng, mg; - int32_t x, y; - FX_DWORD HBPP; - FX_DWORD* GI; - std::unique_ptr<CJBig2_Image> HSKIP; - std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - if (HENABLESKIP == 1) { - HSKIP.reset(new 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 >= (int32_t)HBW) | (y + HPH <= 0) | - (y >= (int32_t)HPH)) { - HSKIP->setPixel(ng, mg, 1); - } else { - HSKIP->setPixel(ng, mg, 0); - } - } - } - } - HBPP = 1; - while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP++; - } - std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = HENABLESKIP; - pGID->GSKIP = HSKIP.get(); - pGID->GSTEMPLATE = HTEMPLATE; - GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); - if (!GI) - return nullptr; - - 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); - } - } - FX_Free(GI); - return HTREG.release(); -} - -CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - FX_DWORD ng, mg; - int32_t x, y; - FX_DWORD* GI; - std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH)); - HTREG->fill(HDEFPIXEL); - FX_DWORD HBPP = 1; - while ((FX_DWORD)(1 << HBPP) < HNUMPATS) { - HBPP++; - } - std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc()); - pGID->GSMMR = HMMR; - pGID->GSW = HGW; - pGID->GSH = HGH; - pGID->GSBPP = (uint8_t)HBPP; - pGID->GSUSESKIP = 0; - GI = pGID->decode_MMR(pStream, pPause); - if (!GI) - return nullptr; - - 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); - } - } - FX_Free(GI); - return HTREG.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_HtrdProc.h b/core/src/fxcodec/jbig2/JBig2_HtrdProc.h deleted file mode 100644 index f66ad75eca..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HtrdProc.h +++ /dev/null @@ -1,46 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_HTRDProc { - 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; - FX_DWORD HBH; - FX_BOOL HMMR; - uint8_t HTEMPLATE; - FX_DWORD HNUMPATS; - CJBig2_Image** HPATS; - FX_BOOL HDEFPIXEL; - JBig2ComposeOp HCOMBOP; - FX_BOOL HENABLESKIP; - FX_DWORD HGW; - FX_DWORD HGH; - int32_t HGX; - int32_t HGY; - FX_WORD HRX; - FX_WORD HRY; - uint8_t HPW; - uint8_t HPH; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HTRDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp deleted file mode 100644 index 093d2abadb..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.cpp +++ /dev/null @@ -1,46 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" - -#include "core/src/fxcodec/jbig2/JBig2_Define.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 = 0; - int nBits = 0; - while (1) { - FX_DWORD nTmp; - if (m_pStream->read1Bit(&nTmp) == -1) - break; - - nVal = (nVal << 1) | nTmp; - ++nBits; - for (FX_DWORD i = 0; i < pTable->Size(); ++i) { - if (pTable->GetPREFLEN()[i] == nBits && pTable->GetCODES()[i] == nVal) { - if (pTable->IsHTOOB() && i == pTable->Size() - 1) - return JBIG2_OOB; - - if (m_pStream->readNBits(pTable->GetRANGELEN()[i], &nTmp) == -1) - return -1; - - FX_DWORD offset = pTable->IsHTOOB() ? 3 : 2; - if (i == pTable->Size() - offset) - *nResult = pTable->GetRANGELOW()[i] - nTmp; - else - *nResult = pTable->GetRANGELOW()[i] + nTmp; - return 0; - } - } - } - return -1; -} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h b/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h deleted file mode 100644 index afa81796c2..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h +++ /dev/null @@ -1,24 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ - -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -class CJBig2_HuffmanDecoder { - public: - explicit CJBig2_HuffmanDecoder(CJBig2_BitStream* pStream); - - ~CJBig2_HuffmanDecoder(); - - int decodeAValue(CJBig2_HuffmanTable* pTable, int* nResult); - - private: - CJBig2_BitStream* const m_pStream; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANDECODER_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp deleted file mode 100644 index 5833f118fe..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.cpp +++ /dev/null @@ -1,137 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" - -#include <algorithm> -#include <vector> - -#include "core/include/fxcrt/fx_memory.h" -#include "core/src/fxcodec/jbig2/JBig2_BitStream.h" -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" - -CJBig2_HuffmanTable::CJBig2_HuffmanTable(const JBig2TableLine* pTable, - FX_DWORD nLines, - bool bHTOOB) - : m_bOK(true), HTOOB(bHTOOB), NTEMP(nLines) { - ParseFromStandardTable(pTable); -} - -CJBig2_HuffmanTable::CJBig2_HuffmanTable(CJBig2_BitStream* pStream) - : HTOOB(false), NTEMP(0) { - m_bOK = ParseFromCodedBuffer(pStream); -} - -CJBig2_HuffmanTable::~CJBig2_HuffmanTable() { -} - -void CJBig2_HuffmanTable::ParseFromStandardTable(const JBig2TableLine* pTable) { - PREFLEN.resize(NTEMP); - RANGELEN.resize(NTEMP); - RANGELOW.resize(NTEMP); - for (FX_DWORD i = 0; i < NTEMP; ++i) { - PREFLEN[i] = pTable[i].PREFLEN; - RANGELEN[i] = pTable[i].RANDELEN; - RANGELOW[i] = pTable[i].RANGELOW; - } - InitCodes(); -} - -bool CJBig2_HuffmanTable::ParseFromCodedBuffer(CJBig2_BitStream* pStream) { - unsigned char cTemp; - if (pStream->read1Byte(&cTemp) == -1) - return false; - - HTOOB = !!(cTemp & 0x01); - unsigned char HTPS = ((cTemp >> 1) & 0x07) + 1; - unsigned char HTRS = ((cTemp >> 4) & 0x07) + 1; - FX_DWORD HTLOW; - FX_DWORD HTHIGH; - if (pStream->readInteger(&HTLOW) == -1 || - pStream->readInteger(&HTHIGH) == -1) { - return false; - } - - const int low = static_cast<int>(HTLOW); - const int high = static_cast<int>(HTHIGH); - if (low > high) - return false; - - ExtendBuffers(false); - int cur_low = low; - do { - if ((pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) || - (pStream->readNBits(HTRS, &RANGELEN[NTEMP]) == -1)) { - return false; - } - RANGELOW[NTEMP] = cur_low; - cur_low += (1 << RANGELEN[NTEMP]); - ExtendBuffers(true); - } while (cur_low < high); - - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = low - 1; - ExtendBuffers(true); - - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - RANGELEN[NTEMP] = 32; - RANGELOW[NTEMP] = high; - ExtendBuffers(true); - - if (HTOOB) { - if (pStream->readNBits(HTPS, &PREFLEN[NTEMP]) == -1) - return false; - - ++NTEMP; - } - - InitCodes(); - return true; -} - -void CJBig2_HuffmanTable::InitCodes() { - int lenmax = 0; - for (FX_DWORD i = 0; i < NTEMP; ++i) - lenmax = std::max(PREFLEN[i], lenmax); - - CODES.resize(NTEMP); - std::vector<int> LENCOUNT(lenmax + 1); - std::vector<int> FIRSTCODE(lenmax + 1); - for (int len : PREFLEN) - ++LENCOUNT[len]; - - FIRSTCODE[0] = 0; - LENCOUNT[0] = 0; - for (int i = 1; i <= lenmax; ++i) { - FIRSTCODE[i] = (FIRSTCODE[i - 1] + LENCOUNT[i - 1]) << 1; - int CURCODE = FIRSTCODE[i]; - for (FX_DWORD j = 0; j < NTEMP; ++j) { - if (PREFLEN[j] == i) - CODES[j] = CURCODE++; - } - } -} - -void CJBig2_HuffmanTable::ExtendBuffers(bool increment) { - if (increment) - ++NTEMP; - - size_t size = PREFLEN.size(); - if (NTEMP < size) - return; - - size += 16; - ASSERT(NTEMP < size); - PREFLEN.resize(size); - RANGELEN.resize(size); - RANGELOW.resize(size); -} diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h deleted file mode 100644 index 568c497350..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h +++ /dev/null @@ -1,50 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_BitStream; -struct JBig2TableLine; - -class CJBig2_HuffmanTable { - public: - CJBig2_HuffmanTable(const JBig2TableLine* pTable, - FX_DWORD nLines, - bool bHTOOB); - - explicit CJBig2_HuffmanTable(CJBig2_BitStream* pStream); - - ~CJBig2_HuffmanTable(); - - bool IsHTOOB() const { return HTOOB; } - FX_DWORD Size() const { return NTEMP; } - const std::vector<int>& GetCODES() const { return CODES; } - const std::vector<int>& GetPREFLEN() const { return PREFLEN; } - const std::vector<int>& GetRANGELEN() const { return RANGELEN; } - const std::vector<int>& GetRANGELOW() const { return RANGELOW; } - bool IsOK() const { return m_bOK; } - - private: - void ParseFromStandardTable(const JBig2TableLine* pTable); - bool ParseFromCodedBuffer(CJBig2_BitStream* pStream); - void InitCodes(); - void ExtendBuffers(bool increment); - - bool m_bOK; - bool HTOOB; - FX_DWORD NTEMP; - std::vector<int> CODES; - std::vector<int> PREFLEN; - std::vector<int> RANGELEN; - std::vector<int> RANGELOW; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h deleted file mode 100644 index a2ce232d63..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h +++ /dev/null @@ -1,98 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ - -#include "core/include/fxcrt/fx_system.h" - -struct JBig2TableLine { - int PREFLEN; - int RANDELEN; - int RANGELOW; -}; - -const 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_STANDARD_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp deleted file mode 100644 index 16e4243e3b..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Image.cpp +++ /dev/null @@ -1,1099 +0,0 @@ -// 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 <limits.h> - -#include "core/include/fxcrt/fx_coordinates.h" -#include "core/include/fxcrt/fx_safe_types.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_Image::CJBig2_Image(int32_t w, int32_t 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_Alloc2D(uint8_t, m_nStride, m_nHeight); - } else { - m_pData = NULL; - } - m_bNeedFree = TRUE; -} -CJBig2_Image::CJBig2_Image(int32_t w, - int32_t h, - int32_t stride, - uint8_t* pBuf) { - m_nWidth = w; - m_nHeight = h; - m_nStride = stride; - m_pData = pBuf; - m_bNeedFree = FALSE; -} -CJBig2_Image::CJBig2_Image(const CJBig2_Image& im) { - m_nWidth = im.m_nWidth; - m_nHeight = im.m_nHeight; - m_nStride = im.m_nStride; - if (im.m_pData) { - m_pData = FX_Alloc2D(uint8_t, 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) { - FX_Free(m_pData); - } -} -FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) { - if (!m_pData) { - return 0; - } - int32_t 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); -} - -int32_t CJBig2_Image::setPixel(int32_t x, int32_t y, FX_BOOL v) { - if (!m_pData) { - return 0; - } - int32_t 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(int32_t hTo, int32_t 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, - int32_t x, - int32_t y, - JBig2ComposeOp op) { - if (!m_pData) { - return FALSE; - } - return composeTo_opt2(pDst, x, y, op); -} -FX_BOOL CJBig2_Image::composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t 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::composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op) { - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op); -} -FX_BOOL CJBig2_Image::composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op, - const FX_RECT* pSrcRect) { - if (!m_pData) { - return FALSE; - } - return pSrc->composeTo(this, x, y, op, pSrcRect); -} -#define JBIG2_GETDWORD(buf) \ - ((FX_DWORD)(((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])) -CJBig2_Image* CJBig2_Image::subImage(int32_t x, - int32_t y, - int32_t w, - int32_t h) { - int32_t m, n, j; - uint8_t *pLineSrc, *pLineDst; - FX_DWORD wTmp; - uint8_t *pSrc, *pSrcEnd, *pDst, *pDstEnd; - if (w == 0 || h == 0) { - return NULL; - } - CJBig2_Image* pImage = new 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] = (uint8_t)(wTmp >> 24); - pDst[1] = (uint8_t)(wTmp >> 16); - pDst[2] = (uint8_t)(wTmp >> 8); - pDst[3] = (uint8_t)wTmp; - } - pLineSrc += m_nStride; - pLineDst += pImage->m_nStride; - } - } - return pImage; -} -void CJBig2_Image::expand(int32_t h, FX_BOOL v) { - if (!m_pData || h <= m_nHeight) { - return; - } - FX_DWORD dwH = pdfium::base::checked_cast<FX_DWORD>(h); - FX_DWORD dwStride = pdfium::base::checked_cast<FX_DWORD>(m_nStride); - FX_DWORD dwHeight = pdfium::base::checked_cast<FX_DWORD>(m_nHeight); - FX_SAFE_DWORD safeMemSize = dwH; - safeMemSize *= dwStride; - if (!safeMemSize.IsValid()) { - return; - } - // The guaranteed reallocated memory is to be < 4GB (unsigned int). - m_pData = FX_Realloc(uint8_t, m_pData, safeMemSize.ValueOrDie()); - - // The result of dwHeight * dwStride doesn't overflow after the - // checking of safeMemSize. - // The same as the result of (dwH - dwHeight) * dwStride) because - // dwH - dwHeight is always less than dwH(h) which is checked in - // the calculation of dwH * dwStride. - JBIG2_memset(m_pData + dwHeight * dwStride, v ? 0xff : 0, - (dwH - dwHeight) * dwStride); - m_nHeight = h; -} -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op) { - int32_t xs0 = 0, ys0 = 0, xs1 = 0, ys1 = 0, xd0 = 0, yd0 = 0, xd1 = 0, - yd1 = 0, xx = 0, yy = 0, w = 0, h = 0, middleDwords = 0, lineLeft = 0; - - FX_DWORD s1 = 0, d1 = 0, d2 = 0, shift = 0, shift1 = 0, shift2 = 0, tmp = 0, - tmp1 = 0, tmp2 = 0, maskL = 0, maskR = 0, maskM = 0; - - uint8_t *lineSrc = NULL, *lineDst = NULL, *sp = NULL, *dp = NULL; - - if (!m_pData) { - return FALSE; - } - if (x < -1048576 || x > 1048576 || y < -1048576 || y > 1048576) { - return FALSE; - } - if (y < 0) { - ys0 = -y; - } - if (y + m_nHeight > pDst->m_nHeight) { - ys1 = pDst->m_nHeight - y; - } else { - ys1 = m_nHeight; - } - if (x < 0) { - xs0 = -x; - } - 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 = y; - } - if (x >= 0) { - 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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)tmp; - } - lineSrc += m_nStride; - lineDst += pDst->m_nStride; - } - } - } - return 1; -} -FX_BOOL CJBig2_Image::composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect) { - int32_t 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; - uint8_t *lineSrc, *lineDst, *sp, *dp; - int32_t 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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - lineDst[1] = (uint8_t)(tmp >> 16); - lineDst[2] = (uint8_t)(tmp >> 8); - lineDst[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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] = (uint8_t)(tmp >> 24); - dp[1] = (uint8_t)(tmp >> 16); - dp[2] = (uint8_t)(tmp >> 8); - dp[3] = (uint8_t)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 deleted file mode 100644 index e7b0779816..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Image.h +++ /dev/null @@ -1,85 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" - -enum JBig2ComposeOp { - JBIG2_COMPOSE_OR = 0, - JBIG2_COMPOSE_AND = 1, - JBIG2_COMPOSE_XOR = 2, - JBIG2_COMPOSE_XNOR = 3, - JBIG2_COMPOSE_REPLACE = 4 -}; - -struct FX_RECT; -class CJBig2_Image { - public: - CJBig2_Image(int32_t w, int32_t h); - - CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf); - - CJBig2_Image(const CJBig2_Image& im); - - ~CJBig2_Image(); - - FX_BOOL getPixel(int32_t x, int32_t y); - - int32_t setPixel(int32_t x, int32_t y, FX_BOOL v); - - void copyLine(int32_t hTo, int32_t hFrom); - - void fill(FX_BOOL v); - - FX_BOOL composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op); - FX_BOOL composeTo(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - FX_BOOL composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op); - FX_BOOL composeTo_opt2(CJBig2_Image* pDst, - int32_t x, - int32_t y, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - FX_BOOL composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op); - FX_BOOL composeFrom(int32_t x, - int32_t y, - CJBig2_Image* pSrc, - JBig2ComposeOp op, - const FX_RECT* pSrcRect); - - CJBig2_Image* subImage(int32_t x, int32_t y, int32_t w, int32_t h); - - void expand(int32_t h, FX_BOOL v); - - public: - int32_t m_nWidth; - - int32_t m_nHeight; - - int32_t m_nStride; - - uint8_t* m_pData; - - FX_BOOL m_bNeedFree; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_List.h b/core/src/fxcodec/jbig2/JBig2_List.h deleted file mode 100644 index 6f6169064d..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_List.h +++ /dev/null @@ -1,56 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ - -#include <stdlib.h> - -#include <vector> - -// A poor man's ScopedVector for pointers of TYPE. -// Owns all the pointers contained within and deletes them on destruction. -template <class TYPE> -class CJBig2_List { - public: - CJBig2_List() {} - explicit CJBig2_List(size_t count) { resize(count); } - - ~CJBig2_List() { - clear(); - } - - TYPE* get(size_t index) const { return m_vector[index]; } - TYPE* back() const { return m_vector.back(); } - size_t size() const { return m_vector.size(); } - - // Deletes all the pointers contained within. - void clear() { - for (size_t i = 0; i < m_vector.size(); ++i) - delete m_vector[i]; - m_vector.clear(); - } - - // Takes ownership of |pItem|. - void push_back(TYPE* pItem) { m_vector.push_back(pItem); } - - // Takes ownership of |pItem|. - void set(size_t index, TYPE* pItem) { - delete m_vector[index]; - m_vector[index] = pItem; - } - - void resize(size_t count) { - for (size_t i = count; i < size(); ++i) - delete m_vector[i]; - m_vector.resize(count); - } - - private: - std::vector<TYPE*> m_vector; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Page.h b/core/src/fxcodec/jbig2/JBig2_Page.h deleted file mode 100644 index 50fe4cef3c..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Page.h +++ /dev/null @@ -1,22 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ - -#include "core/include/fxcrt/fx_system.h" - -struct JBig2PageInfo { - FX_DWORD m_dwWidth; - FX_DWORD m_dwHeight; - FX_DWORD m_dwResolutionX; - FX_DWORD m_dwResolutionY; - uint8_t m_cFlags; - FX_BOOL m_bIsStriped; - FX_WORD m_wMaxStripeSize; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PAGE_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp b/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp deleted file mode 100644 index aa78954aaa..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.cpp +++ /dev/null @@ -1,23 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_PatternDict.h" - -#include "core/include/fxcrt/fx_memory.h" - -CJBig2_PatternDict::CJBig2_PatternDict() { - NUMPATS = 0; - HDPATS = NULL; -} - -CJBig2_PatternDict::~CJBig2_PatternDict() { - if (HDPATS) { - for (FX_DWORD i = 0; i < NUMPATS; i++) { - delete HDPATS[i]; - } - FX_Free(HDPATS); - } -} diff --git a/core/src/fxcodec/jbig2/JBig2_PatternDict.h b/core/src/fxcodec/jbig2/JBig2_PatternDict.h deleted file mode 100644 index e363c9bce3..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PatternDict.h +++ /dev/null @@ -1,23 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_PatternDict { - public: - CJBig2_PatternDict(); - - ~CJBig2_PatternDict(); - - FX_DWORD NUMPATS; - CJBig2_Image** HDPATS; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PATTERNDICT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp b/core/src/fxcodec/jbig2/JBig2_PddProc.cpp deleted file mode 100644 index ba4755ce59..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp +++ /dev/null @@ -1,87 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_PddProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" -#include "core/src/fxcodec/jbig2/JBig2_PatternDict.h" - -CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith( - CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* gbContext, - IFX_Pause* pPause) { - FX_DWORD GRAY; - CJBig2_Image* BHDC = nullptr; - std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); - - std::unique_ptr<CJBig2_GRDProc> pGRD(new 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] = -(int32_t)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, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!BHDC) - return nullptr; - - GRAY = 0; - while (GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict.release(); -} - -CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream, - IFX_Pause* pPause) { - FX_DWORD GRAY; - CJBig2_Image* BHDC = nullptr; - std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); - pDict->NUMPATS = GRAYMAX + 1; - pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); - JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); - - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = HDMMR; - pGRD->GBW = (GRAYMAX + 1) * HDPW; - pGRD->GBH = HDPH; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - if (!BHDC) - return nullptr; - - GRAY = 0; - while (GRAY <= GRAYMAX) { - pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); - GRAY = GRAY + 1; - } - delete BHDC; - return pDict.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_PddProc.h b/core/src/fxcodec/jbig2/JBig2_PddProc.h deleted file mode 100644 index 2f875f5d92..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_PddProc.h +++ /dev/null @@ -1,34 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" - -class CJBig2_ArithDecoder; -class CJBig2_BitStream; -class CJBig2_PatternDict; -class IFX_Pause; -struct JBig2ArithCtx; - -class CJBig2_PDDProc { - 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; - uint8_t HDPW; - uint8_t HDPH; - FX_DWORD GRAYMAX; - uint8_t HDTEMPLATE; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_PDDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp deleted file mode 100644 index faa70621ab..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp +++ /dev/null @@ -1,624 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_SddProc.h" - -#include <memory> -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" -#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" -#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h" - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith( - CJBig2_ArithDecoder* pArithDecoder, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH; - int32_t DW; - CJBig2_Image* BS; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - int32_t RDXI, RDYI; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_ArithIaidDecoder> IAID; - std::unique_ptr<CJBig2_SymbolDict> pDict; - std::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder); - nTmp = 0; - while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { - nTmp++; - } - IAID.reset(new CJBig2_ArithIaidDecoder((uint8_t)nTmp)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - - HCHEIGHT = 0; - NSYMSDECODED = 0; - while (NSYMSDECODED < SDNUMNEWSYMS) { - BS = nullptr; - IADH->decode(pArithDecoder, &HCDH); - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - for (;;) { - if (!IADW->decode(pArithDecoder, &DW)) - break; - - if (NSYMSDECODED >= SDNUMNEWSYMS) - goto failed; - - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) - goto failed; - - if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - if (SDREFAGG == 0) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new 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->data()); - if (!BS) { - goto failed; - } - } else { - IAAI->decode(pArithDecoder, (int*)&REFAGGNINST); - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new 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 = (uint8_t)nTmp; - pDecoder->SBSYMCODELEN = SBSYMCODELEN; - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - 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; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - 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.get(); - ids.IAFS = IAFS.get(); - ids.IADS = IADS.get(); - ids.IAIT = IAIT.get(); - ids.IARI = IARI.get(); - ids.IARDW = IARDW.get(); - ids.IARDH = IARDH.get(); - ids.IARDX = IARDX.get(); - ids.IARDY = IARDY.get(); - ids.IAID = IAID.get(); - BS = pDecoder->decode_Arith(pArithDecoder, grContext->data(), &ids); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - FX_DWORD IDI; - IAID->decode(pArithDecoder, &IDI); - IARDX->decode(pArithDecoder, &RDXI); - IARDY->decode(pArithDecoder, &RDYI); - if (IDI >= SBNUMSYMS) { - goto failed; - } - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - if (!SBSYMS[IDI]) { - FX_Free(SBSYMS); - goto failed; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - } - SDNEWSYMS[NSYMSDECODED] = BS; - BS = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH); - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - pDict.reset(new CJBig2_SymbolDict); - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - if (SDNEWSYMS[I]) { - delete SDNEWSYMS[I]; - SDNEWSYMS[I] = nullptr; - } - } - FX_Free(SDNEWSYMS); - return nullptr; -} - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman( - CJBig2_BitStream* pStream, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext, - IFX_Pause* pPause) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD* SDNEWSYMWIDTHS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; - int32_t DW; - CJBig2_Image* BS, *BHC; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - int32_t nVal, nBits; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - JBig2HuffmanCode* SBSYMCODES; - FX_DWORD IDI; - int32_t RDXI, RDYI; - FX_DWORD BMSIZE; - FX_DWORD stride; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder( - new CJBig2_HuffmanDecoder(pStream)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - SDNEWSYMWIDTHS = nullptr; - BHC = nullptr; - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD)); - } - std::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict()); - std::unique_ptr<CJBig2_HuffmanTable> pTable; - - HCHEIGHT = 0; - NSYMSDECODED = 0; - BS = nullptr; - while (NSYMSDECODED < SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { - goto failed; - } - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - HCFIRSTSYM = NSYMSDECODED; - for (;;) { - nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); - if (nVal == JBIG2_OOB) { - break; - } else if (nVal != 0) { - goto failed; - } else { - if (NSYMSDECODED >= SDNUMNEWSYMS) { - goto failed; - } - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - } - if (SDREFAGG == 1) { - if (pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != - 0) { - goto failed; - } - BS = nullptr; - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new 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 = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - 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 = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - 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; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - 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->data()); - if (!BS) { - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - SBSYMCODELEN = (uint8_t)nTmp; - SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - for (I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = SBSYMCODELEN; - SBSYMCODES[I].code = I; - } - nVal = 0; - nBits = 0; - for (;;) { - if (pStream->read1Bit(&nTmp) != 0) { - FX_Free(SBSYMCODES); - 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; - } - } - FX_Free(SBSYMCODES); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - if ((pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDXI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDYI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE.get(), &nVal) != 0)) { - goto failed; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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]; - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(pStream)); - BS = pGRRD->decode(pArithDecoder.get(), grContext->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - pStream->alignByte(); - pStream->offset(2); - if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete BS; - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - SDNEWSYMS[NSYMSDECODED] = BS; - } - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; - } - NSYMSDECODED = NSYMSDECODED + 1; - } - if (SDREFAGG == 0) { - if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) { - goto failed; - } - pStream->alignByte(); - if (BMSIZE == 0) { - stride = (TOTWIDTH + 7) >> 3; - if (pStream->getByteLeft() >= stride * HCHEIGHT) { - BHC = new 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 { - goto failed; - } - } else { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = 1; - pGRD->GBW = TOTWIDTH; - pGRD->GBH = HCHEIGHT; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - 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 = nullptr; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - pTable.reset(new CJBig2_HuffmanTable( - HuffmanTable_B1, FX_ArraySize(HuffmanTable_B1), HuffmanTable_HTOOB_B1)); - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(pTable.get(), (int*)&EXRUNLENGTH) != 0) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - delete SDNEWSYMS[I]; - } - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return nullptr; -} diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.h b/core/src/fxcodec/jbig2/JBig2_SddProc.h deleted file mode 100644 index b01ce2fd66..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SddProc.h +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ - -#include <vector> - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" - -class CJBig2_BitStream; -class CJBig2_HuffmanTable; -class CJBig2_Image; -class CJBig2_SymbolDict; -class IFX_Pause; - -class CJBig2_SDDProc { - public: - CJBig2_SymbolDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext); - - CJBig2_SymbolDict* decode_Huffman(CJBig2_BitStream* pStream, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<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; - CJBig2_HuffmanTable* SDHUFFDW; - CJBig2_HuffmanTable* SDHUFFBMSIZE; - CJBig2_HuffmanTable* SDHUFFAGGINST; - uint8_t SDTEMPLATE; - int8_t SDAT[8]; - FX_BOOL SDRTEMPLATE; - int8_t SDRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SDDPROC_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.cpp b/core/src/fxcodec/jbig2/JBig2_Segment.cpp deleted file mode 100644 index 21fa4d4572..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Segment.cpp +++ /dev/null @@ -1,44 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_Segment.h" - -#include "core/include/fxcrt/fx_memory.h" - -CJBig2_Segment::CJBig2_Segment() { - 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_dwObjNum = 0; - m_dwDataOffset = 0; - m_State = JBIG2_SEGMENT_HEADER_UNPARSED; - m_nResultType = JBIG2_VOID_POINTER; - m_Result.vd = NULL; -} -CJBig2_Segment::~CJBig2_Segment() { - FX_Free(m_pReferred_to_segment_numbers); - - 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: - FX_Free(m_Result.vd); - } -} diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h deleted file mode 100644 index 0f76ad2ab3..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_Segment.h +++ /dev/null @@ -1,66 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ - -#include "core/src/fxcodec/jbig2/JBig2_Define.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -#include "core/src/fxcodec/jbig2/JBig2_PatternDict.h" -#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.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_Segment(); - - ~CJBig2_Segment(); - - FX_DWORD m_dwNumber; - union { - struct { - uint8_t type : 6; - uint8_t page_association_size : 1; - uint8_t deferred_non_retain : 1; - } s; - uint8_t c; - } m_cFlags; - int32_t 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_DWORD m_dwObjNum; - FX_DWORD m_dwDataOffset; - JBig2_SegmentState m_State; - JBig2_ResultType m_nResultType; - union { - CJBig2_SymbolDict* sd; - CJBig2_PatternDict* pd; - CJBig2_Image* im; - CJBig2_HuffmanTable* ht; - void* vd; - } m_Result; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp deleted file mode 100644 index 5db77250f0..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp +++ /dev/null @@ -1,28 +0,0 @@ -// 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 "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" - -#include "core/include/fxcrt/fx_memory.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -CJBig2_SymbolDict::CJBig2_SymbolDict() { -} - -CJBig2_SymbolDict::~CJBig2_SymbolDict() { -} - -std::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const { - const CJBig2_SymbolDict* src = this; - std::unique_ptr<CJBig2_SymbolDict> dst(new CJBig2_SymbolDict); - for (size_t i = 0; i < src->m_SDEXSYMS.size(); ++i) { - CJBig2_Image* image = src->m_SDEXSYMS.get(i); - dst->m_SDEXSYMS.push_back(image ? new CJBig2_Image(*image) : nullptr); - } - dst->m_gbContext = src->m_gbContext; - dst->m_grContext = src->m_grContext; - return dst; -} diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h deleted file mode 100644 index 5880a83bef..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h +++ /dev/null @@ -1,48 +0,0 @@ -// 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 - -#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ - -#include <memory> -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_List.h" - -class CJBig2_Image; - -class CJBig2_SymbolDict { - public: - CJBig2_SymbolDict(); - ~CJBig2_SymbolDict(); - - std::unique_ptr<CJBig2_SymbolDict> DeepCopy() const; - - // Takes ownership of |image|. - void AddImage(CJBig2_Image* image) { m_SDEXSYMS.push_back(image); } - - size_t NumImages() const { return m_SDEXSYMS.size(); } - CJBig2_Image* GetImage(size_t index) const { return m_SDEXSYMS.get(index); } - - const std::vector<JBig2ArithCtx>& GbContext() const { return m_gbContext; } - const std::vector<JBig2ArithCtx>& GrContext() const { return m_grContext; } - - void SetGbContext(const std::vector<JBig2ArithCtx>& gbContext) { - m_gbContext = gbContext; - } - void SetGrContext(const std::vector<JBig2ArithCtx>& grContext) { - m_grContext = grContext; - } - - private: - std::vector<JBig2ArithCtx> m_gbContext; - std::vector<JBig2ArithCtx> m_grContext; - CJBig2_List<CJBig2_Image> m_SDEXSYMS; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_ diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp deleted file mode 100644 index aa9ca59893..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp +++ /dev/null @@ -1,407 +0,0 @@ -// Copyright 2015 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 "core/src/fxcodec/jbig2/JBig2_TrdProc.h" - -#include <memory> - -#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" - -CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream, - JBig2ArithCtx* grContext) { - int32_t STRIPT, FIRSTS; - FX_DWORD NINSTANCES; - int32_t DT, DFS, CURS; - int32_t SI, TI; - CJBig2_Image* IBI; - FX_DWORD WI, HI; - int32_t IDS; - FX_BOOL RI; - int32_t RDWI, RDHI, RDXI, RDYI; - CJBig2_Image* IBOI; - FX_DWORD WOI, HOI; - FX_BOOL bFirst; - FX_DWORD nTmp; - int32_t nVal, nBits; - std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder( - new CJBig2_HuffmanDecoder(pStream)); - std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) - return nullptr; - - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - FIRSTS = 0; - NINSTANCES = 0; - while (NINSTANCES < SBNUMINSTANCES) { - if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) - return nullptr; - - DT *= SBSTRIPS; - STRIPT = STRIPT + DT; - bFirst = TRUE; - for (;;) { - if (bFirst) { - if (pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) - return nullptr; - - FIRSTS = FIRSTS + DFS; - CURS = FIRSTS; - bFirst = FALSE; - } else { - nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); - if (nVal == JBIG2_OOB) { - break; - } else if (nVal != 0) { - return nullptr; - } else { - CURS = CURS + IDS + SBDSOFFSET; - } - } - uint8_t CURT = 0; - if (SBSTRIPS != 1) { - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBSTRIPS) { - nTmp++; - } - if (pStream->readNBits(nTmp, &nVal) != 0) - return nullptr; - - CURT = nVal; - } - TI = STRIPT + CURT; - nVal = 0; - nBits = 0; - FX_DWORD IDI; - for (;;) { - if (pStream->read1Bit(&nTmp) != 0) - return nullptr; - - 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) { - return nullptr; - } - } - 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)) { - return nullptr; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - IBOI = SBSYMS[IDI]; - if (!IBOI) - return nullptr; - - WOI = IBOI->m_nWidth; - HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) - return nullptr; - - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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]; - - { - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(pStream)); - IBI = pGRRD->decode(pArithDecoder.get(), grContext); - if (!IBI) - return nullptr; - } - - pStream->alignByte(); - pStream->offset(2); - if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete IBI; - return nullptr; - } - } - 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; - } - } - return SBREG.release(); -} - -CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext, - JBig2IntDecoderState* pIDS) { - std::unique_ptr<CJBig2_ArithIntDecoder> IADT; - std::unique_ptr<CJBig2_ArithIntDecoder> IAFS; - std::unique_ptr<CJBig2_ArithIntDecoder> IADS; - std::unique_ptr<CJBig2_ArithIntDecoder> IAIT; - std::unique_ptr<CJBig2_ArithIntDecoder> IARI; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDW; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDH; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDX; - std::unique_ptr<CJBig2_ArithIntDecoder> IARDY; - std::unique_ptr<CJBig2_ArithIaidDecoder> IAID; - CJBig2_ArithIntDecoder* pIADT; - CJBig2_ArithIntDecoder* pIAFS; - CJBig2_ArithIntDecoder* pIADS; - CJBig2_ArithIntDecoder* pIAIT; - CJBig2_ArithIntDecoder* pIARI; - CJBig2_ArithIntDecoder* pIARDW; - CJBig2_ArithIntDecoder* pIARDH; - CJBig2_ArithIntDecoder* pIARDX; - CJBig2_ArithIntDecoder* pIARDY; - CJBig2_ArithIaidDecoder* pIAID; - if (pIDS) { - pIADT = pIDS->IADT; - pIAFS = pIDS->IAFS; - pIADS = pIDS->IADS; - pIAIT = pIDS->IAIT; - pIARI = pIDS->IARI; - pIARDW = pIDS->IARDW; - pIARDH = pIDS->IARDH; - pIARDX = pIDS->IARDX; - pIARDY = pIDS->IARDY; - pIAID = pIDS->IAID; - } else { - IADT.reset(new CJBig2_ArithIntDecoder()); - IAFS.reset(new CJBig2_ArithIntDecoder()); - IADS.reset(new CJBig2_ArithIntDecoder()); - IAIT.reset(new CJBig2_ArithIntDecoder()); - IARI.reset(new CJBig2_ArithIntDecoder()); - IARDW.reset(new CJBig2_ArithIntDecoder()); - IARDH.reset(new CJBig2_ArithIntDecoder()); - IARDX.reset(new CJBig2_ArithIntDecoder()); - IARDY.reset(new CJBig2_ArithIntDecoder()); - IAID.reset(new CJBig2_ArithIaidDecoder(SBSYMCODELEN)); - pIADT = IADT.get(); - pIAFS = IAFS.get(); - pIADS = IADS.get(); - pIAIT = IAIT.get(); - pIARI = IARI.get(); - pIARDW = IARDW.get(); - pIARDH = IARDH.get(); - pIARDX = IARDX.get(); - pIARDY = IARDY.get(); - pIAID = IAID.get(); - } - std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH)); - SBREG->fill(SBDEFPIXEL); - int32_t STRIPT; - pIADT->decode(pArithDecoder, &STRIPT); - STRIPT *= SBSTRIPS; - STRIPT = -STRIPT; - int32_t FIRSTS = 0; - FX_DWORD NINSTANCES = 0; - while (NINSTANCES < SBNUMINSTANCES) { - int32_t CURS; - int32_t DT; - pIADT->decode(pArithDecoder, &DT); - DT *= SBSTRIPS; - STRIPT += DT; - bool bFirst = true; - for (;;) { - if (bFirst) { - int32_t DFS; - pIAFS->decode(pArithDecoder, &DFS); - FIRSTS += DFS; - CURS = FIRSTS; - bFirst = false; - } else { - int32_t IDS; - if (!pIADS->decode(pArithDecoder, &IDS)) - break; - CURS += IDS + SBDSOFFSET; - } - if (NINSTANCES >= SBNUMINSTANCES) { - break; - } - int CURT = 0; - if (SBSTRIPS != 1) - pIAIT->decode(pArithDecoder, &CURT); - - int32_t TI = STRIPT + CURT; - FX_DWORD IDI; - pIAID->decode(pArithDecoder, &IDI); - if (IDI >= SBNUMSYMS) - return nullptr; - - int RI; - if (SBREFINE == 0) - RI = 0; - else - pIARI->decode(pArithDecoder, &RI); - - std::unique_ptr<CJBig2_Image> IBI; - CJBig2_Image* pIBI; - if (RI == 0) { - pIBI = SBSYMS[IDI]; - } else { - int32_t RDWI; - int32_t RDHI; - int32_t RDXI; - int32_t RDYI; - pIARDW->decode(pArithDecoder, &RDWI); - pIARDH->decode(pArithDecoder, &RDHI); - pIARDX->decode(pArithDecoder, &RDXI); - pIARDY->decode(pArithDecoder, &RDYI); - CJBig2_Image* IBOI = SBSYMS[IDI]; - FX_DWORD WOI = IBOI->m_nWidth; - FX_DWORD HOI = IBOI->m_nHeight; - if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { - return nullptr; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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.reset(pGRRD->decode(pArithDecoder, grContext)); - pIBI = IBI.get(); - } - if (!pIBI) - return nullptr; - - FX_DWORD WI = pIBI->m_nWidth; - FX_DWORD HI = pIBI->m_nHeight; - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS += WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { - CURS += HI - 1; - } - int32_t SI = CURS; - if (TRANSPOSED == 0) { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(SI, TI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(SI - WI + 1, TI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(SI, TI - HI + 1, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(SI - WI + 1, TI - HI + 1, pIBI, SBCOMBOP); - break; - } - } else { - switch (REFCORNER) { - case JBIG2_CORNER_TOPLEFT: - SBREG->composeFrom(TI, SI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_TOPRIGHT: - SBREG->composeFrom(TI - WI + 1, SI, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMLEFT: - SBREG->composeFrom(TI, SI - HI + 1, pIBI, SBCOMBOP); - break; - case JBIG2_CORNER_BOTTOMRIGHT: - SBREG->composeFrom(TI - WI + 1, SI - HI + 1, pIBI, SBCOMBOP); - break; - } - } - if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { - CURS += WI - 1; - } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) || - (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { - CURS += HI - 1; - } - ++NINSTANCES; - } - } - return SBREG.release(); -} diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.h b/core/src/fxcodec/jbig2/JBig2_TrdProc.h deleted file mode 100644 index e36b269ba6..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_TrdProc.h +++ /dev/null @@ -1,82 +0,0 @@ -// Copyright 2015 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 CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ -#define CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ - -#include "core/include/fxcrt/fx_system.h" -#include "core/src/fxcodec/jbig2/JBig2_Image.h" - -class CJBig2_ArithDecoder; -class CJBig2_ArithIaidDecoder; -class CJBig2_ArithIntDecoder; -class CJBig2_BitStream; -class CJBig2_HuffmanTable; -struct JBig2ArithCtx; -struct JBig2HuffmanCode; - -struct JBig2IntDecoderState { - CJBig2_ArithIntDecoder* IADT; - CJBig2_ArithIntDecoder* IAFS; - CJBig2_ArithIntDecoder* IADS; - CJBig2_ArithIntDecoder* IAIT; - CJBig2_ArithIntDecoder* IARI; - CJBig2_ArithIntDecoder* IARDW; - CJBig2_ArithIntDecoder* IARDH; - CJBig2_ArithIntDecoder* IARDX; - CJBig2_ArithIntDecoder* IARDY; - CJBig2_ArithIaidDecoder* IAID; -}; - -enum JBig2Corner { - JBIG2_CORNER_BOTTOMLEFT = 0, - JBIG2_CORNER_TOPLEFT = 1, - JBIG2_CORNER_BOTTOMRIGHT = 2, - JBIG2_CORNER_TOPRIGHT = 3 -}; - -class CJBig2_TRDProc { - public: - CJBig2_Image* decode_Huffman(CJBig2_BitStream* pStream, - JBig2ArithCtx* grContext); - - CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, - JBig2ArithCtx* grContext, - JBig2IntDecoderState* pIDS); - - public: - FX_BOOL SBHUFF; - FX_BOOL SBREFINE; - FX_DWORD SBW; - FX_DWORD SBH; - FX_DWORD SBNUMINSTANCES; - FX_DWORD SBSTRIPS; - FX_DWORD SBNUMSYMS; - - JBig2HuffmanCode* SBSYMCODES; - uint8_t SBSYMCODELEN; - - CJBig2_Image** SBSYMS; - FX_BOOL SBDEFPIXEL; - - JBig2ComposeOp SBCOMBOP; - FX_BOOL TRANSPOSED; - - JBig2Corner REFCORNER; - int8_t SBDSOFFSET; - CJBig2_HuffmanTable* SBHUFFFS; - CJBig2_HuffmanTable* SBHUFFDS; - CJBig2_HuffmanTable* SBHUFFDT; - CJBig2_HuffmanTable* SBHUFFRDW; - CJBig2_HuffmanTable* SBHUFFRDH; - CJBig2_HuffmanTable* SBHUFFRDX; - CJBig2_HuffmanTable* SBHUFFRDY; - CJBig2_HuffmanTable* SBHUFFRSIZE; - FX_BOOL SBRTEMPLATE; - int8_t SBRAT[4]; -}; - -#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ |