From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp | 4290 +++++++++++++++++++++++ 1 file changed, 4290 insertions(+) create mode 100644 core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp (limited to 'core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp') diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp new file mode 100644 index 0000000000..9aa714a228 --- /dev/null +++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp @@ -0,0 +1,4290 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "JBig2_GeneralDecoder.h" +#include "JBig2_ArithDecoder.h" +#include "JBig2_ArithIntDecoder.h" +#include "JBig2_HuffmanDecoder.h" +#include "JBig2_HuffmanTable.h" +#include "JBig2_PatternDict.h" +CJBig2_Image *CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + if (GBW == 0 || GBH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + return pImage; + } + if(GBTEMPLATE == 0) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) + && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) + && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) + && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { + return decode_Arith_Template0_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template0_unopt(pArithDecoder, gbContext); + } + } else if(GBTEMPLATE == 1) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template1_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template1_unopt(pArithDecoder, gbContext); + } + } else if(GBTEMPLATE == 2) { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template2_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template2_unopt(pArithDecoder, gbContext); + } + } else { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + return decode_Arith_Template3_opt3(pArithDecoder, gbContext); + } else { + return decode_Arith_Template3_unopt(pArithDecoder, gbContext); + } + } +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 11; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x1f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x7f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 6 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0xf800) | (line2 & 0x07f0); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 6); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for(FX_DWORD h = 0; h < height; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> k) & 0x0800) + | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010)); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> k) & 0x0010)); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | (((line2 >> (7 - k))) & 0x0010)); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(3, h - 1); + line2 |= GBREG->getPixel(2, h - 1) << 1; + line2 |= GBREG->getPixel(1, h - 1) << 2; + line2 |= GBREG->getPixel(0, h - 1) << 3; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 4, h - 1)) & 0x3f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 4 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 4); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> k) & 0x0200) + | ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (k + 1)) & 0x0008); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (8 - k)) & 0x0008); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= line2 << 2; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 1) ? pLine[-nStride2] << 1 : 0; + line2 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 1) { + line1 = (line1 << 8) | (pLine[-nStride2 + (w >> 3) + 1] << 1); + } + if(h > 0) { + line2 = (line2 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 1) { + line1 <<= 8; + } + if(h > 0) { + line2 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + FX_BYTE *pLine, *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 1) { + pLine1 = pLine - nStride2; + pLine2 = pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> k) & 0x0080) + | ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + pLine[nLineBytes] = cVal; + } else { + pLine2 = pLine - nStride; + line2 = (h & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for(cc = 0; cc < nLineBytes; cc++) { + if(h & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line2 >> (k + 3)) & 0x0004); + } + pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | (((line2 >> (10 - k))) & 0x0004); + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(2, h - 1); + line1 |= GBREG->getPixel(1, h - 1) << 1; + line1 |= GBREG->getPixel(0, h - 1) << 2; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= line1 << 4; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1; + FX_BYTE *pLine, cVal; + FX_INTPTR nStride, nStride2; + FX_INT32 nBits, k; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nStride2 = nStride << 1; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = (h > 0) ? pLine[-nStride] : 0; + CONTEXT = (line1 >> 1) & 0x03f0; + for(FX_DWORD w = 0; w < GBW; w += 8) { + if(w + 8 < GBW) { + nBits = 8; + if(h > 0) { + line1 = (line1 << 8) | (pLine[-nStride + (w >> 3) + 1]); + } + } else { + nBits = GBW - w; + if(h > 0) { + line1 <<= 8; + } + } + cVal = 0; + for(k = 0; k < nBits; k++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1; + FX_BYTE *pLine, *pLine1, cVal; + FX_INT32 nStride, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + if (GBREG->m_pData == NULL) { + delete GBREG; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + pLine = GBREG->m_pData; + nStride = GBREG->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + if(h > 0) { + pLine1 = pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (k + 1)) & 0x0010); + } + pLine[cc] = cVal; + } + line1 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for(cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + pLine[cc] = cVal; + } + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + pLine[nLineBytes] = cVal; + } + } + pLine += nStride; + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_V2(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(h, h - 1); + } else { + switch(GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + break; + case 1: { + line1 = GBREG->getPixel(2, h - 2); + line1 |= GBREG->getPixel(1, h - 2) << 1; + line1 |= GBREG->getPixel(0, h - 2) << 2; + line2 = GBREG->getPixel(2, h - 1); + line2 |= GBREG->getPixel(1, h - 1) << 1; + line2 |= GBREG->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + break; + case 2: { + line1 = GBREG->getPixel(1, h - 2); + line1 |= GBREG->getPixel(0, h - 2) << 1; + line2 = GBREG->getPixel(1, h - 1); + line2 |= GBREG->getPixel(0, h - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + break; + case 3: { + line1 = GBREG->getPixel(1, h - 1); + line1 |= GBREG->getPixel(0, h - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + break; + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_Arith_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image *GBREG; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + for(FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1)); + } + } else { + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + GBREG->setPixel(w, h, 0); + } else { + CONTEXT = 0; + switch(GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12; + CONTEXT |= GBREG->getPixel(w, h - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10; + CONTEXT |= GBREG->getPixel(w, h - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3; + CONTEXT |= GBREG->getPixel(w, h - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7; + CONTEXT |= GBREG->getPixel(w, h - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, h); + CONTEXT |= GBREG->getPixel(w - 2, h) << 1; + CONTEXT |= GBREG->getPixel(w - 3, h) << 2; + CONTEXT |= GBREG->getPixel(w - 4, h) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5; + CONTEXT |= GBREG->getPixel(w, h - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + GBREG->setPixel(w, h, bVal); + } + } + } + } + return GBREG; +} +CJBig2_Image *CJBig2_GRDProc::decode_MMR(CJBig2_BitStream *pStream) +{ + int bitpos, i; + CJBig2_Image *pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH)); + if (pImage->m_pData == NULL) { + delete pImage; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + return NULL; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, pImage->m_pData, GBW, GBH, pImage->m_nStride); + pStream->setBitPos(bitpos); + for(i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) { + pImage->m_pData[i] = ~pImage->m_pData[i]; + } + return pImage; +} +CJBig2_Image *CJBig2_GRRDProc::decode(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + if (GRW == 0 || GRH == 0) { + CJBig2_Image* pImage; + JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH)); + return pImage; + } + if(GRTEMPLATE == 0) { + if((GRAT[0] == (signed char) - 1) && (GRAT[1] == (signed char) - 1) + && (GRAT[2] == (signed char) - 1) && (GRAT[3] == (signed char) - 1) + && (GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template0_opt(pArithDecoder, grContext); + } else { + return decode_Template0_unopt(pArithDecoder, grContext); + } + } else { + if((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { + return decode_Template1_opt(pArithDecoder, grContext); + } else { + return decode_Template1_unopt(pArithDecoder, grContext); + } + } +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template0_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; + } + } else { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY - 1); + line3 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1) << 1; + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 3; + CONTEXT |= line3 << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= line2 << 9; + CONTEXT |= line1 << 10; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x03; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY - 1)) & 0x03; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x07; + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template0_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + FX_BYTE *pLine, *pLineR, cVal; + FX_INTPTR nStride, nStrideR, nOffset; + FX_INT32 k, nBits; + FX_INT32 GRWR, GRHR; + FX_INT32 GRW, GRH; + GRW = (FX_INT32)CJBig2_GRRDProc::GRW; + GRH = (FX_INT32)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (FX_INT32)GRREFERENCE->m_nWidth; + GRHR = (FX_INT32)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (FX_INT32 h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0010]); + LTP = LTP ^ SLTP; + } + line1 = (h > 0) ? pLine[-nStride] << 4 : 0; + FX_INT32 reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if(LTP == 0) { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) + | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if (h > GRHR + GRREFERENCEDY + 1) { + line1_r = 0; + line2_r = 0; + line3_r = 0; + } else { + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) + | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) | + ((line1 >> (7 - k)) & 0x0400) | + ((line1_r >> (7 - k)) & 0x0040) | + ((line2_r >> (10 - k)) & 0x0008) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template1_unopt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line2, line3, line4, line5; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; + } + } else { + line1 = GRREG->getPixel(1, h - 1); + line1 |= GRREG->getPixel(0, h - 1) << 1; + line1 |= GRREG->getPixel(-1, h - 1) << 2; + line2 = 0; + line3 = GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY - 1); + line4 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY); + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY) << 1; + line4 |= GRREFERENCE->getPixel(-GRREFERENCEDX - 1, h - GRREFERENCEDY) << 2; + line5 = GRREFERENCE->getPixel(-GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + line5 |= GRREFERENCE->getPixel(-GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1)))) { + CONTEXT = line5; + CONTEXT |= line4 << 2; + CONTEXT |= line3 << 5; + CONTEXT |= line2 << 6; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + GRREG->setPixel(w, h, bVal); + line1 = ((line1 << 1) | GRREG->getPixel(w + 2, h - 1)) & 0x07; + line2 = ((line2 << 1) | bVal) & 0x01; + line3 = ((line3 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1)) & 0x01; + line4 = ((line4 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY)) & 0x07; + line5 = ((line5 << 1) | GRREFERENCE->getPixel(w - GRREFERENCEDX + 2, h - GRREFERENCEDY + 1)) & 0x03; + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_Template1_opt(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + FX_DWORD line1, line1_r, line2_r, line3_r; + FX_BYTE *pLine, *pLineR, cVal; + FX_INTPTR nStride, nStrideR, nOffset; + FX_INT32 k, nBits; + FX_INT32 GRWR, GRHR; + FX_INT32 GRW, GRH; + GRW = (FX_INT32)CJBig2_GRRDProc::GRW; + GRH = (FX_INT32)CJBig2_GRRDProc::GRH; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + if (GRREG->m_pData == NULL) { + delete GRREG; + m_pModule->JBig2_Error("Generic refinement region decoding procedure: Create Image Failed with width = %d, height = %d\n", GRW, GRH); + return NULL; + } + pLine = GRREG->m_pData; + pLineR = GRREFERENCE->m_pData; + nStride = GRREG->m_nStride; + nStrideR = GRREFERENCE->m_nStride; + GRWR = (FX_INT32)GRREFERENCE->m_nWidth; + GRHR = (FX_INT32)GRREFERENCE->m_nHeight; + if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) { + GRREFERENCEDY = 0; + } + nOffset = -GRREFERENCEDY * nStrideR; + for (FX_INT32 h = 0; h < GRH; h++) { + if(TPGRON) { + SLTP = pArithDecoder->DECODE(&grContext[0x0008]); + LTP = LTP ^ SLTP; + } + line1 = (h > 0) ? pLine[-nStride] << 1 : 0; + FX_INT32 reference_h = h - GRREFERENCEDY; + FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1); + FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR); + FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1); + line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0; + line2_r = line2_r_ok ? pLineR[nOffset] : 0; + line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0; + if(LTP == 0) { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) + | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } else { + CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) + | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003); + for (FX_INT32 w = 0; w < GRW; w += 8) { + nBits = GRW - w > 8 ? 8 : GRW - w; + if (h > 0) + line1 = (line1 << 8) | + (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0); + if(line1_r_ok) + line1_r = (line1_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0); + if(line2_r_ok) + line2_r = (line2_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0); + if(line3_r_ok) + line3_r = (line3_r << 8) | + (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0); + else { + line3_r = 0; + } + cVal = 0; + for (k = 0; k < nBits; k++) { + bVal = GRREFERENCE->getPixel(w + k, h); + if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h)) + && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) { + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + } + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) | + ((line1 >> (7 - k)) & 0x0080) | + ((line1_r >> (9 - k)) & 0x0020) | + ((line2_r >> (11 - k)) & 0x0004) | + ((line3_r >> (13 - k)) & 0x0001); + } + pLine[w >> 3] = cVal; + } + } + pLine += nStride; + if (h < GRHR + GRREFERENCEDY) { + pLineR += nStrideR; + } + } + return GRREG; +} +CJBig2_Image *CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext) +{ + FX_BOOL LTP, SLTP, bVal; + FX_BOOL TPGRPIX, TPGRVAL; + FX_DWORD CONTEXT; + CJBig2_Image *GRREG; + LTP = 0; + JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH)); + GRREG->fill(0); + for(FX_DWORD h = 0; h < GRH; h++) { + if(TPGRON) { + switch(GRTEMPLATE) { + case 0: + CONTEXT = 0x0010; + break; + case 1: + CONTEXT = 0x0008; + break; + } + SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 0) { + for(FX_DWORD w = 0; w < GRW; w++) { + CONTEXT = 0; + switch(GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + } + } else { + for(FX_DWORD w = 0; w < GRW; w++) { + bVal = GRREFERENCE->getPixel(w, h); + if(TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w, h - 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) + && (bVal == GRREFERENCE->getPixel(w - 1, h)) + && (bVal == GRREFERENCE->getPixel(w + 1, h)) + && (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) + && (bVal == GRREFERENCE->getPixel(w, h + 1)) + && (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) { + TPGRPIX = 1; + TPGRVAL = bVal; + } else { + TPGRPIX = 0; + } + if(TPGRPIX) { + GRREG->setPixel(w, h, TPGRVAL); + } else { + CONTEXT = 0; + switch(GRTEMPLATE) { + case 0: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY + 1) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 5; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY - 1) << 6; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 7; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2], h - GRREFERENCEDY + GRAT[3]) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h) << 9; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10; + CONTEXT |= GRREG->getPixel(w, h - 1) << 11; + CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12; + break; + case 1: + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY + 1); + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1) << 1; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY) << 2; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY) << 3; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY) << 4; + CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1) << 5; + CONTEXT |= GRREG->getPixel(w - 1, h) << 6; + CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7; + CONTEXT |= GRREG->getPixel(w, h - 1) << 8; + CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9; + break; + } + bVal = pArithDecoder->DECODE(&grContext[CONTEXT]); + GRREG->setPixel(w, h, bVal); + } + } + } + } + return GRREG; +} +CJBig2_Image *CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext) +{ + FX_INT32 STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + FX_INT32 DT, DFS, CURS; + FX_BYTE CURT; + FX_INT32 SI, TI; + FX_DWORD IDI; + CJBig2_Image *IBI; + FX_DWORD WI, HI; + FX_INT32 IDS; + FX_BOOL RI; + FX_INT32 RDWI, RDHI, RDXI, RDYI; + CJBig2_Image *IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image *SBREG; + FX_BOOL bFirst; + FX_DWORD nTmp; + FX_INT32 nVal, nBits; + CJBig2_HuffmanDecoder *pHuffmanDecoder; + CJBig2_GRRDProc *pGRRD; + CJBig2_ArithDecoder *pArithDecoder; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while(NINSTANCES < SBNUMINSTANCES) { + if(pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for(;;) { + if(bFirst) { + if(pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } else { + CURS = CURS + IDS + SBDSOFFSET; + } + } + if(SBSTRIPS == 1) { + CURT = 0; + } else { + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBSTRIPS) { + nTmp ++; + } + if(pStream->readNBits(nTmp, &nVal) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + CURT = nVal; + } + TI = STRIPT + CURT; + nVal = 0; + nBits = 0; + for(;;) { + if(pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + nVal = (nVal << 1) | nTmp; + nBits ++; + for(IDI = 0; IDI < SBNUMSYMS; IDI++) { + if((nBits == SBSYMCODES[IDI].codelen) && (nVal == SBSYMCODES[IDI].code)) { + break; + } + } + if(IDI < SBNUMSYMS) { + break; + } + } + if(SBREFINE == 0) { + RI = 0; + } else { + if(pStream->read1Bit(&RI) != 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + } + if(RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if((pHuffmanDecoder->decodeAValue(SBHUFFRDW, &RDWI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDH, &RDHI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDY, &RDYI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): too short."); + goto failed; + } + pStream->alignByte(); + nTmp = pStream->getOffset(); + IBOI = SBSYMS[IDI]; + if (!IBOI) { + goto failed; + } + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error("text region decoding procedure (huffman): Invalid RDWI or RDHI value."); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 2) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 2) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + IBI = pGRRD->decode(pArithDecoder, grContext); + if(IBI == NULL) { + delete pGRRD; + delete pArithDecoder; + goto failed; + } + delete pArithDecoder; + pStream->alignByte(); + pStream->offset(2); + if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete IBI; + delete pGRRD; + m_pModule->JBig2_Error("text region decoding procedure (huffman):" + "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); + goto failed; + } + delete pGRRD; + } + if (!IBI) { + continue; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if(TRANSPOSED == 0) { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if(RI != 0) { + delete IBI; + } + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; + } + } + delete pHuffmanDecoder; + return SBREG; +failed: + delete pHuffmanDecoder; + delete SBREG; + return NULL; +} +CJBig2_Image *CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext, + JBig2IntDecoderState *pIDS) +{ + FX_INT32 STRIPT, FIRSTS; + FX_DWORD NINSTANCES; + FX_INT32 DT, DFS, CURS; + FX_INT32 CURT; + FX_INT32 SI, TI; + FX_DWORD IDI; + CJBig2_Image *IBI; + FX_DWORD WI, HI; + FX_INT32 IDS; + FX_BOOL RI; + FX_INT32 RDWI, RDHI, RDXI, RDYI; + CJBig2_Image *IBOI; + FX_DWORD WOI, HOI; + CJBig2_Image *SBREG; + FX_BOOL bFirst; + FX_INT32 nRet, nVal; + FX_INT32 bRetained; + CJBig2_ArithIntDecoder *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH, *IARDX, *IARDY; + CJBig2_ArithIaidDecoder *IAID; + CJBig2_GRRDProc *pGRRD; + if(pIDS) { + IADT = pIDS->IADT; + IAFS = pIDS->IAFS; + IADS = pIDS->IADS; + IAIT = pIDS->IAIT; + IARI = pIDS->IARI; + IARDW = pIDS->IARDW; + IARDH = pIDS->IARDH; + IARDX = pIDS->IARDX; + IARDY = pIDS->IARDY; + IAID = pIDS->IAID; + bRetained = TRUE; + } else { + JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAID , CJBig2_ArithIaidDecoder(SBSYMCODELEN)); + bRetained = FALSE; + } + JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH)); + SBREG->fill(SBDEFPIXEL); + if(IADT->decode(pArithDecoder, &STRIPT) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + STRIPT *= SBSTRIPS; + STRIPT = -STRIPT; + FIRSTS = 0; + NINSTANCES = 0; + while(NINSTANCES < SBNUMINSTANCES) { + if(IADT->decode(pArithDecoder, &DT) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + DT *= SBSTRIPS; + STRIPT = STRIPT + DT; + bFirst = TRUE; + for(;;) { + if(bFirst) { + if(IAFS->decode(pArithDecoder, &DFS) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + FIRSTS = FIRSTS + DFS; + CURS = FIRSTS; + bFirst = FALSE; + } else { + nRet = IADS->decode(pArithDecoder, &IDS); + if(nRet == JBIG2_OOB) { + break; + } else if(nRet != 0) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } else { + CURS = CURS + IDS + SBDSOFFSET; + } + } + if (NINSTANCES >= SBNUMINSTANCES) { + break; + } + if(SBSTRIPS == 1) { + CURT = 0; + } else { + if(IAIT->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + CURT = nVal; + } + TI = STRIPT + CURT; + if(IAID->decode(pArithDecoder, &nVal) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + IDI = nVal; + if(IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error("text region decoding procedure (arith): symbol id out of range.(%d/%d)", + IDI, SBNUMSYMS); + goto failed; + } + if(SBREFINE == 0) { + RI = 0; + } else { + if(IARI->decode(pArithDecoder, &RI) == -1) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + } + if (!SBSYMS[IDI]) { + goto failed; + } + if(RI == 0) { + IBI = SBSYMS[IDI]; + } else { + if((IARDW->decode(pArithDecoder, &RDWI) == -1) + || (IARDH->decode(pArithDecoder, &RDHI) == -1) + || (IARDX->decode(pArithDecoder, &RDXI) == -1) + || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error("text region decoding procedure (arith): too short."); + goto failed; + } + IBOI = SBSYMS[IDI]; + WOI = IBOI->m_nWidth; + HOI = IBOI->m_nHeight; + if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) { + m_pModule->JBig2_Error("text region decoding procedure (arith): Invalid RDWI or RDHI value."); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = WOI + RDWI; + pGRRD->GRH = HOI + RDHI; + pGRRD->GRTEMPLATE = SBRTEMPLATE; + pGRRD->GRREFERENCE = IBOI; + pGRRD->GRREFERENCEDX = (RDWI >> 1) + RDXI; + pGRRD->GRREFERENCEDY = (RDHI >> 1) + RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SBRAT[0]; + pGRRD->GRAT[1] = SBRAT[1]; + pGRRD->GRAT[2] = SBRAT[2]; + pGRRD->GRAT[3] = SBRAT[3]; + IBI = pGRRD->decode(pArithDecoder, grContext); + if(IBI == NULL) { + delete pGRRD; + goto failed; + } + delete pGRRD; + } + WI = IBI->m_nWidth; + HI = IBI->m_nHeight; + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) { + CURS = CURS + HI - 1; + } + SI = CURS; + if(TRANSPOSED == 0) { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(SI, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(SI - WI + 1, TI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(SI, TI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(SI - WI + 1, TI - HI + 1, IBI, SBCOMBOP); + break; + } + } else { + switch(REFCORNER) { + case JBIG2_CORNER_TOPLEFT: + SBREG->composeFrom(TI, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_TOPRIGHT: + SBREG->composeFrom(TI - WI + 1, SI, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMLEFT: + SBREG->composeFrom(TI, SI - HI + 1, IBI, SBCOMBOP); + break; + case JBIG2_CORNER_BOTTOMRIGHT: + SBREG->composeFrom(TI - WI + 1, SI - HI + 1, IBI, SBCOMBOP); + break; + } + } + if(RI != 0) { + delete IBI; + } + if(TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) { + CURS = CURS + WI - 1; + } else if(TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) + || (REFCORNER == JBIG2_CORNER_TOPRIGHT))) { + CURS = CURS + HI - 1; + } + NINSTANCES = NINSTANCES + 1; + } + } + if(bRetained == FALSE) { + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + delete IARDX; + delete IARDY; + delete IAID; + } + return SBREG; +failed: + if(bRetained == FALSE) { + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + delete IARDX; + delete IARDY; + delete IAID; + } + delete SBREG; + return NULL; +} +CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext) +{ + CJBig2_Image **SDNEWSYMS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + FX_INT32 HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; + FX_INT32 DW; + CJBig2_Image *BS; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL *EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + FX_INT32 nVal; + FX_DWORD nTmp; + FX_BOOL SBHUFF; + FX_DWORD SBNUMSYMS; + FX_BYTE SBSYMCODELEN; + FX_DWORD IDI; + FX_INT32 RDXI, RDYI; + CJBig2_Image **SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, + *SBHUFFRSIZE; + CJBig2_GRRDProc *pGRRD; + CJBig2_GRDProc *pGRD; + CJBig2_ArithIntDecoder *IADH, *IADW, *IAAI, *IARDX, *IARDY, *IAEX, + *IADT, *IAFS, *IADS, *IAIT, *IARI, *IARDW, *IARDH; + CJBig2_ArithIaidDecoder *IAID; + CJBig2_SymbolDict *pDict; + JBIG2_ALLOC(IADH, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAAI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDY, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAEX, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAFS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IADS, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IAIT, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARI, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDW, CJBig2_ArithIntDecoder()); + JBIG2_ALLOC(IARDH, CJBig2_ArithIntDecoder()); + nTmp = 0; + while((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { + nTmp ++; + } + JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((FX_BYTE)nTmp)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); + FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + HCHEIGHT = 0; + NSYMSDECODED = 0; + while(NSYMSDECODED < SDNUMNEWSYMS) { + BS = NULL; + if(IADH->decode(pArithDecoder, &HCDH) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid HCHEIGHT value."); + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + HCFIRSTSYM = NSYMSDECODED; + for(;;) { + nVal = IADW->decode(pArithDecoder, &DW); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): NSYMSDECODED >= SDNUMNEWSYMS."); + goto failed; + } + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): invalid SYMWIDTH value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; + } + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if(SDREFAGG == 0) { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 0; + pGRD->GBW = SYMWIDTH; + pGRD->GBH = HCHEIGHT; + pGRD->GBTEMPLATE = SDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = SDAT[0]; + pGRD->GBAT[1] = SDAT[1]; + pGRD->GBAT[2] = SDAT[2]; + pGRD->GBAT[3] = SDAT[3]; + pGRD->GBAT[4] = SDAT[4]; + pGRD->GBAT[5] = SDAT[5]; + pGRD->GBAT[6] = SDAT[6]; + pGRD->GBAT[7] = SDAT[7]; + BS = pGRD->decode_Arith(pArithDecoder, gbContext); + if(BS == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + } else { + if(IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if(REFAGGNINST > 1) { + CJBig2_TRDProc *pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + nTmp = 0; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + SBSYMCODELEN = (FX_BYTE)nTmp; + pDecoder->SBSYMCODELEN = SBSYMCODELEN; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + JBig2IntDecoderState ids; + ids.IADT = IADT; + ids.IAFS = IAFS; + ids.IADS = IADS; + ids.IAIT = IAIT; + ids.IARI = IARI; + ids.IARDW = IARDW; + ids.IARDH = IARDH; + ids.IARDX = IARDX; + ids.IARDY = IARDY; + ids.IAID = IAID; + BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if(REFAGGNINST == 1) { + SBHUFF = SDHUFF; + SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + if(IAID->decode(pArithDecoder, (int*)&IDI) == -1) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if((IARDX->decode(pArithDecoder, &RDXI) == -1) + || (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if (IDI >= SBNUMSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith):" + " refinement references unknown symbol %d", IDI); + goto failed; + } + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + if (!SBSYMS[IDI]) { + m_pModule->JBig2_Free(SBSYMS); + goto failed; + } + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + BS = pGRRD->decode(pArithDecoder, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + } + } + SDNEWSYMS[NSYMSDECODED] = BS; + BS = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + } + } + EXINDEX = 0; + CUREXFLAG = 0; + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); + while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if(IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): too short."); + goto failed; + } + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); + goto failed; + } + if(EXRUNLENGTH != 0) { + for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } + } + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if(EXFLAGS[I] && J < SDNUMEXSYMS) { + if(I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; + } + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return pDict; +failed: + for(I = 0; I < NSYMSDECODED; I++) { + if (SDNEWSYMS[I]) { + delete SDNEWSYMS[I]; + SDNEWSYMS[I] = NULL; + } + } + m_pModule->JBig2_Free(SDNEWSYMS); + delete IADH; + delete IADW; + delete IAAI; + delete IARDX; + delete IARDY; + delete IAEX; + delete IAID; + delete IADT; + delete IAFS; + delete IADS; + delete IAIT; + delete IARI; + delete IARDW; + delete IARDH; + return NULL; +} +CJBig2_SymbolDict *CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream *pStream, + JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext, IFX_Pause* pPause) +{ + CJBig2_Image **SDNEWSYMS; + FX_DWORD *SDNEWSYMWIDTHS; + FX_DWORD HCHEIGHT, NSYMSDECODED; + FX_INT32 HCDH; + FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; + FX_INT32 DW; + CJBig2_Image *BS, *BHC; + FX_DWORD I, J, REFAGGNINST; + FX_BOOL *EXFLAGS; + FX_DWORD EXINDEX; + FX_BOOL CUREXFLAG; + FX_DWORD EXRUNLENGTH; + FX_INT32 nVal, nBits; + FX_DWORD nTmp; + FX_BOOL SBHUFF; + FX_DWORD SBNUMSYMS; + FX_BYTE SBSYMCODELEN; + JBig2HuffmanCode *SBSYMCODES; + FX_DWORD IDI; + FX_INT32 RDXI, RDYI; + FX_DWORD BMSIZE; + FX_DWORD stride; + CJBig2_Image **SBSYMS; + CJBig2_HuffmanTable *SBHUFFFS, *SBHUFFDS, *SBHUFFDT, *SBHUFFRDW, *SBHUFFRDH, *SBHUFFRDX, *SBHUFFRDY, + *SBHUFFRSIZE, *pTable; + CJBig2_HuffmanDecoder *pHuffmanDecoder; + CJBig2_GRRDProc *pGRRD; + CJBig2_ArithDecoder *pArithDecoder; + CJBig2_GRDProc *pGRD; + CJBig2_SymbolDict *pDict; + JBIG2_ALLOC(pHuffmanDecoder, CJBig2_HuffmanDecoder(pStream)); + SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*)); + FXSYS_memset32(SDNEWSYMS, 0 , SDNUMNEWSYMS * sizeof(CJBig2_Image*)); + SDNEWSYMWIDTHS = NULL; + BHC = NULL; + if(SDREFAGG == 0) { + SDNEWSYMWIDTHS = (FX_DWORD *)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD)); + FXSYS_memset32(SDNEWSYMWIDTHS, 0 , SDNUMNEWSYMS * sizeof(FX_DWORD)); + } + HCHEIGHT = 0; + NSYMSDECODED = 0; + BS = NULL; + while(NSYMSDECODED < SDNUMNEWSYMS) { + if(pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid HCHEIGHT value."); + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + HCFIRSTSYM = NSYMSDECODED; + for(;;) { + nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); + if(nVal == JBIG2_OOB) { + break; + } else if(nVal != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } else { + if (NSYMSDECODED >= SDNUMNEWSYMS) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): NSYMSDECODED >= SDNUMNEWSYMS."); + goto failed; + } + SYMWIDTH = SYMWIDTH + DW; + if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): invalid SYMWIDTH value."); + goto failed; + } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { + TOTWIDTH = TOTWIDTH + SYMWIDTH; + SDNEWSYMS[NSYMSDECODED] = NULL; + NSYMSDECODED = NSYMSDECODED + 1; + continue; + } + TOTWIDTH = TOTWIDTH + SYMWIDTH; + } + if(SDREFAGG == 1) { + if(pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + BS = NULL; + if(REFAGGNINST > 1) { + CJBig2_TRDProc *pDecoder; + JBIG2_ALLOC(pDecoder, CJBig2_TRDProc()); + pDecoder->SBHUFF = SDHUFF; + pDecoder->SBREFINE = 1; + pDecoder->SBW = SYMWIDTH; + pDecoder->SBH = HCHEIGHT; + pDecoder->SBNUMINSTANCES = REFAGGNINST; + pDecoder->SBSTRIPS = 1; + pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + SBNUMSYMS = pDecoder->SBNUMSYMS; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + for(I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = nTmp; + SBSYMCODES[I].code = I; + } + pDecoder->SBSYMCODES = SBSYMCODES; + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + pDecoder->SBSYMS = SBSYMS; + pDecoder->SBDEFPIXEL = 0; + pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; + pDecoder->TRANSPOSED = 0; + pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; + pDecoder->SBDSOFFSET = 0; + JBIG2_ALLOC(SBHUFFFS, CJBig2_HuffmanTable(HuffmanTable_B6, + sizeof(HuffmanTable_B6) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B6)); + JBIG2_ALLOC(SBHUFFDS, CJBig2_HuffmanTable(HuffmanTable_B8, + sizeof(HuffmanTable_B8) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B8)); + JBIG2_ALLOC(SBHUFFDT, CJBig2_HuffmanTable(HuffmanTable_B11, + sizeof(HuffmanTable_B11) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B11)); + JBIG2_ALLOC(SBHUFFRDW, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDH, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRDY, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + pDecoder->SBHUFFFS = SBHUFFFS; + pDecoder->SBHUFFDS = SBHUFFDS; + pDecoder->SBHUFFDT = SBHUFFDT; + pDecoder->SBHUFFRDW = SBHUFFRDW; + pDecoder->SBHUFFRDH = SBHUFFRDH; + pDecoder->SBHUFFRDX = SBHUFFRDX; + pDecoder->SBHUFFRDY = SBHUFFRDY; + pDecoder->SBHUFFRSIZE = SBHUFFRSIZE; + pDecoder->SBRTEMPLATE = SDRTEMPLATE; + pDecoder->SBRAT[0] = SDRAT[0]; + pDecoder->SBRAT[1] = SDRAT[1]; + pDecoder->SBRAT[2] = SDRAT[2]; + pDecoder->SBRAT[3] = SDRAT[3]; + BS = pDecoder->decode_Huffman(pStream, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + goto failed; + } + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Free(SBSYMS); + delete SBHUFFFS; + delete SBHUFFDS; + delete SBHUFFDT; + delete SBHUFFRDW; + delete SBHUFFRDH; + delete SBHUFFRDX; + delete SBHUFFRDY; + delete SBHUFFRSIZE; + delete pDecoder; + } else if(REFAGGNINST == 1) { + SBHUFF = SDHUFF; + SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; + nTmp = 1; + while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { + nTmp ++; + } + SBSYMCODELEN = (FX_BYTE)nTmp; + SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(JBig2HuffmanCode)); + for(I = 0; I < SBNUMSYMS; I++) { + SBSYMCODES[I].codelen = SBSYMCODELEN; + SBSYMCODES[I].code = I; + } + nVal = 0; + nBits = 0; + for(;;) { + if(pStream->read1Bit(&nTmp) != 0) { + m_pModule->JBig2_Free(SBSYMCODES); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + nVal = (nVal << 1) | nTmp; + for(IDI = 0; IDI < SBNUMSYMS; IDI++) { + if((nVal == SBSYMCODES[IDI].code) + && (nBits == SBSYMCODES[IDI].codelen)) { + break; + } + } + if(IDI < SBNUMSYMS) { + break; + } + } + m_pModule->JBig2_Free(SBSYMCODES); + JBIG2_ALLOC(SBHUFFRDX, CJBig2_HuffmanTable(HuffmanTable_B15, + sizeof(HuffmanTable_B15) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B15)); + JBIG2_ALLOC(SBHUFFRSIZE, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + if((pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDXI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRDX, &RDYI) != 0) + || (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE, &nVal) != 0)) { + delete SBHUFFRDX; + delete SBHUFFRSIZE; + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + delete SBHUFFRDX; + delete SBHUFFRSIZE; + pStream->alignByte(); + nTmp = pStream->getOffset(); + SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SBNUMSYMS, sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); + JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, NSYMSDECODED * sizeof(CJBig2_Image*)); + JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc()); + pGRRD->GRW = SYMWIDTH; + pGRRD->GRH = HCHEIGHT; + pGRRD->GRTEMPLATE = SDRTEMPLATE; + pGRRD->GRREFERENCE = SBSYMS[IDI]; + pGRRD->GRREFERENCEDX = RDXI; + pGRRD->GRREFERENCEDY = RDYI; + pGRRD->TPGRON = 0; + pGRRD->GRAT[0] = SDRAT[0]; + pGRRD->GRAT[1] = SDRAT[1]; + pGRRD->GRAT[2] = SDRAT[2]; + pGRRD->GRAT[3] = SDRAT[3]; + JBIG2_ALLOC(pArithDecoder, CJBig2_ArithDecoder(pStream)); + BS = pGRRD->decode(pArithDecoder, grContext); + if(BS == NULL) { + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + goto failed; + } + pStream->alignByte(); + pStream->offset(2); + if((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { + delete BS; + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman):" + "bytes processed by generic refinement region decoding procedure doesn't equal SBHUFFRSIZE."); + goto failed; + } + m_pModule->JBig2_Free(SBSYMS); + delete pGRRD; + delete pArithDecoder; + } + SDNEWSYMS[NSYMSDECODED] = BS; + } + if(SDREFAGG == 0) { + SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; + } + NSYMSDECODED = NSYMSDECODED + 1; + } + if(SDREFAGG == 0) { + if(pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (FX_INT32*)&BMSIZE) != 0) { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + pStream->alignByte(); + if(BMSIZE == 0) { + stride = (TOTWIDTH + 7) >> 3; + if(pStream->getByteLeft() >= stride * HCHEIGHT) { + JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT)); + for(I = 0; I < HCHEIGHT; I ++) { + JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, pStream->getPointer(), stride); + pStream->offset(stride); + } + } else { + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + } else { + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = 1; + pGRD->GBW = TOTWIDTH; + pGRD->GBH = HCHEIGHT; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + delete pGRD; + pStream->alignByte(); + } + nTmp = 0; + if (!BHC) { + continue; + } + for(I = HCFIRSTSYM; I < NSYMSDECODED; I++) { + SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); + nTmp += SDNEWSYMWIDTHS[I]; + } + delete BHC; + BHC = NULL; + } + } + EXINDEX = 0; + CUREXFLAG = 0; + JBIG2_ALLOC(pTable, CJBig2_HuffmanTable(HuffmanTable_B1, + sizeof(HuffmanTable_B1) / sizeof(JBig2TableLine), HuffmanTable_HTOOB_B1)); + EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL), (SDNUMINSYMS + SDNUMNEWSYMS)); + while(EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { + if(pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short."); + goto failed; + } + if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { + delete pTable; + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value."); + goto failed; + } + if(EXRUNLENGTH != 0) { + for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { + EXFLAGS[I] = CUREXFLAG; + } + } + EXINDEX = EXINDEX + EXRUNLENGTH; + CUREXFLAG = !CUREXFLAG; + } + delete pTable; + JBIG2_ALLOC(pDict, CJBig2_SymbolDict()); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), SDNUMEXSYMS); + I = J = 0; + for(I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if(EXFLAGS[I] && J < SDNUMEXSYMS) { + if(I < SDNUMINSYMS) { + JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I])); + } else { + pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS]; + } + J = J + 1; + } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { + delete SDNEWSYMS[I - SDNUMINSYMS]; + } + } + if (J < SDNUMEXSYMS) { + pDict->SDNUMEXSYMS = J; + } + m_pModule->JBig2_Free(EXFLAGS); + m_pModule->JBig2_Free(SDNEWSYMS); + if(SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return pDict; +failed: + for(I = 0; I < NSYMSDECODED; I++) { + if (SDNEWSYMS[I]) { + delete SDNEWSYMS[I]; + } + } + m_pModule->JBig2_Free(SDNEWSYMS); + if(SDREFAGG == 0) { + m_pModule->JBig2_Free(SDNEWSYMWIDTHS); + } + delete pHuffmanDecoder; + return NULL; +} +CJBig2_Image *CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_DWORD ng, mg; + FX_INT32 x, y; + CJBig2_Image *HSKIP; + FX_DWORD HBPP; + FX_DWORD *GI; + CJBig2_Image *HTREG; + CJBig2_GSIDProc *pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HSKIP = NULL; + if(HENABLESKIP == 1) { + JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH)); + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + if((x + HPW <= 0) | (x >= (FX_INT32)HBW) + | (y + HPH <= 0) | (y >= (FX_INT32)HPH)) { + HSKIP->setPixel(ng, mg, 1); + } else { + HSKIP->setPixel(ng, mg, 0); + } + } + } + } + HBPP = 1; + while((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP ++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (FX_BYTE)HBPP; + pGID->GSUSESKIP = HENABLESKIP; + pGID->GSKIP = HSKIP; + pGID->GSTEMPLATE = HTEMPLATE; + GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause); + if(GI == NULL) { + goto failed; + } + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + } + m_pModule->JBig2_Free(GI); + if(HSKIP) { + delete HSKIP; + } + delete pGID; + return HTREG; +failed: + if(HSKIP) { + delete HSKIP; + } + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_Image *CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + FX_DWORD ng, mg; + FX_INT32 x, y; + FX_DWORD HBPP; + FX_DWORD *GI; + CJBig2_Image *HTREG; + CJBig2_GSIDProc *pGID; + JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH)); + HTREG->fill(HDEFPIXEL); + HBPP = 1; + while((FX_DWORD)(1 << HBPP) < HNUMPATS) { + HBPP ++; + } + JBIG2_ALLOC(pGID, CJBig2_GSIDProc()); + pGID->GSMMR = HMMR; + pGID->GSW = HGW; + pGID->GSH = HGH; + pGID->GSBPP = (FX_BYTE)HBPP; + pGID->GSUSESKIP = 0; + GI = pGID->decode_MMR(pStream, pPause); + if(GI == NULL) { + goto failed; + } + for(mg = 0; mg < HGH; mg++) { + for(ng = 0; ng < HGW; ng++) { + x = (HGX + mg * HRY + ng * HRX) >> 8; + y = (HGY + mg * HRX - ng * HRY) >> 8; + FX_DWORD pat_index = GI[mg * HGW + ng]; + if (pat_index >= HNUMPATS) { + pat_index = HNUMPATS - 1; + } + HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP); + } + } + m_pModule->JBig2_Free(GI); + delete pGID; + return HTREG; +failed: + delete pGID; + delete HTREG; + return NULL; +} +CJBig2_PatternDict *CJBig2_PDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_DWORD GRAY; + CJBig2_Image *BHDC = NULL; + CJBig2_PatternDict *pDict; + CJBig2_GRDProc *pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + pGRD->GBTEMPLATE = HDTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = 0; + pGRD->GBAT[0] = -(FX_INT32)HDPW; + pGRD->GBAT[1] = 0; + if(pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(BHDC == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + GRAY = 0; + while(GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; +failed: + delete pDict; + return NULL; +} + +CJBig2_PatternDict *CJBig2_PDDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + FX_DWORD GRAY; + CJBig2_Image *BHDC = NULL; + CJBig2_PatternDict *pDict; + CJBig2_GRDProc *pGRD; + JBIG2_ALLOC(pDict, CJBig2_PatternDict()); + pDict->NUMPATS = GRAYMAX + 1; + pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), pDict->NUMPATS); + JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*)*pDict->NUMPATS); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = HDMMR; + pGRD->GBW = (GRAYMAX + 1) * HDPW; + pGRD->GBH = HDPH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(BHDC == NULL) { + delete pGRD; + goto failed; + } + delete pGRD; + GRAY = 0; + while(GRAY <= GRAYMAX) { + pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); + GRAY = GRAY + 1; + } + delete BHDC; + return pDict; +failed: + delete pDict; + return NULL; +} +FX_DWORD *CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, + JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + CJBig2_Image **GSPLANES; + FX_INT32 J, K; + FX_DWORD x, y; + FX_DWORD *GSVALS; + CJBig2_GRDProc *pGRD; + GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + m_pModule->JBig2_Free(GSPLANES); + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + pGRD->GBTEMPLATE = GSTEMPLATE; + pGRD->TPGDON = 0; + pGRD->USESKIP = GSUSESKIP; + pGRD->SKIP = GSKIP; + if(GSTEMPLATE <= 1) { + pGRD->GBAT[0] = 3; + } else { + pGRD->GBAT[0] = 2; + } + pGRD->GBAT[1] = -1; + if(pGRD->GBTEMPLATE == 0) { + pGRD->GBAT[2] = -3; + pGRD->GBAT[3] = -1; + pGRD->GBAT[4] = 2; + pGRD->GBAT[5] = -2; + pGRD->GBAT[6] = -2; + pGRD->GBAT[7] = -2; + } + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[GSBPP - 1], pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + J = GSBPP - 2; + while(J >= 0) { + FXCODEC_STATUS status = pGRD->Start_decode_Arith(&GSPLANES[J], pArithDecoder, gbContext); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[J] == NULL) { + for(K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; + goto failed; + } + } + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for(y = 0; y < GSH; y++) { + for(x = 0; x < GSW; x++) { + for(J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } + } + } + for(J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; +failed: + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; +} +FX_DWORD *CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + CJBig2_Image **GSPLANES; + FX_INT32 J, K; + FX_DWORD x, y; + FX_DWORD *GSVALS; + CJBig2_GRDProc *pGRD; + GSPLANES = (CJBig2_Image **)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP); + if (!GSPLANES) { + return NULL; + } + GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH); + if (!GSVALS) { + if (GSPLANES) { + m_pModule->JBig2_Free(GSPLANES); + } + return NULL; + } + JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*)*GSBPP); + JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD)*GSW * GSH); + JBIG2_ALLOC(pGRD, CJBig2_GRDProc()); + pGRD->MMR = GSMMR; + pGRD->GBW = GSW; + pGRD->GBH = GSH; + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[GSBPP - 1], pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[GSBPP - 1] == NULL) { + goto failed; + } + pStream->alignByte(); + pStream->offset(3); + J = GSBPP - 2; + while(J >= 0) { + FXCODEC_STATUS status = pGRD->Start_decode_MMR(&GSPLANES[J], pStream); + while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { + pGRD->Continue_decode(pPause); + } + if(GSPLANES[J] == NULL) { + for(K = GSBPP - 1; K > J; K--) { + delete GSPLANES[K]; + goto failed; + } + } + pStream->alignByte(); + pStream->offset(3); + GSPLANES[J]->composeFrom(0, 0, GSPLANES[J + 1], JBIG2_COMPOSE_XOR); + J = J - 1; + } + for(y = 0; y < GSH; y++) { + for(x = 0; x < GSW; x++) { + for(J = 0; J < GSBPP; J++) { + GSVALS[y * GSW + x] |= GSPLANES[J]->getPixel(x, y) << J; + } + } + } + for(J = 0; J < GSBPP; J++) { + delete GSPLANES[J]; + } + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + return GSVALS; +failed: + m_pModule->JBig2_Free(GSPLANES); + delete pGRD; + m_pModule->JBig2_Free(GSVALS); + return NULL; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if (GBW == 0 || GBH == 0) { + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_DecodeType = 1; + m_pImage = pImage; + (*m_pImage)->fill(0); + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + LTP = 0; + m_pLine = NULL; + m_loopIndex = 0; + return decode_Arith(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) +{ + int iline = m_loopIndex; + CJBig2_Image* pImage = *m_pImage; + if(GBTEMPLATE == 0) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1) + && (GBAT[2] == (signed char) - 3) && (GBAT[3] == (signed char) - 1) + && (GBAT[4] == 2) && (GBAT[5] == (signed char) - 2) + && (GBAT[6] == (signed char) - 2) && (GBAT[7] == (signed char) - 2)) { + m_ProssiveStatus = decode_Arith_Template0_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template0_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else if(GBTEMPLATE == 1) { + if((GBAT[0] == 3) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template1_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template1_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else if(GBTEMPLATE == 2) { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template2_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template2_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } else { + if((GBAT[0] == 2) && (GBAT[1] == (signed char) - 1)) { + m_ProssiveStatus = decode_Arith_Template3_opt3(pImage, m_pArithDecoder, m_gbContext, pPause); + } else { + m_ProssiveStatus = decode_Arith_Template3_unopt(pImage, m_pArithDecoder, m_gbContext, pPause); + } + } + m_ReplaceRect.left = 0; + m_ReplaceRect.right = pImage->m_nWidth; + m_ReplaceRect.top = iline; + m_ReplaceRect.bottom = m_loopIndex; + if(m_ProssiveStatus == FXCODEC_STATUS_DECODE_FINISH) { + m_loopIndex = 0; + } + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if(GBW == 0 || GBH == 0) { + * pImage = NULL; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_DecodeType = 2; + m_pPause = pPause; + m_pImage = pImage; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V2(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + CJBig2_Image *GBREG = *m_pImage; + FX_DWORD line1, line2, line3; + LTP = 0; + JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH)); + GBREG->fill(0); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + GBREG->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + switch(GBTEMPLATE) { + case 0: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + break; + case 1: { + line1 = GBREG->getPixel(2, m_loopIndex - 2); + line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1; + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2; + line2 = GBREG->getPixel(2, m_loopIndex - 1); + line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1; + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f; + line2 = ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + break; + case 2: { + line1 = GBREG->getPixel(1, m_loopIndex - 2); + line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1; + line2 = GBREG->getPixel(1, m_loopIndex - 1); + line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + break; + case 3: { + line1 = GBREG->getPixel(1, m_loopIndex - 1); + line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + } + if(bVal) { + GBREG->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + break; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex ++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1(CJBig2_Image** pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + if(GBW == 0 || GBH == 0) { + * pImage = NULL; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; + } + if(*pImage == NULL) { + JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH)); + } + if ((*pImage)->m_pData == NULL) { + delete *pImage; + *pImage = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return FXCODEC_STATUS_ERROR; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY; + m_pPause = pPause; + m_pImage = pImage; + m_DecodeType = 3; + (*m_pImage)->fill(0); + LTP = 0; + m_loopIndex = 0; + m_pArithDecoder = pArithDecoder; + m_gbContext = gbContext; + return decode_Arith_V1(pPause); +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT = 0; + CJBig2_Image *GBREG = (*m_pImage); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + switch(GBTEMPLATE) { + case 0: + CONTEXT = 0x9b25; + break; + case 1: + CONTEXT = 0x0795; + break; + case 2: + CONTEXT = 0x00e5; + break; + case 3: + CONTEXT = 0x0195; + break; + } + SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + for(FX_DWORD w = 0; w < GBW; w++) { + GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1)); + } + } else { + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + GBREG->setPixel(w, m_loopIndex, 0); + } else { + CONTEXT = 0; + switch(GBTEMPLATE) { + case 0: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9; + CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14; + CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + break; + case 1: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 3; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12; + break; + case 2: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9; + break; + case 3: + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex); + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2; + CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3; + CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5; + CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6; + CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7; + CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8; + CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9; + break; + } + bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]); + GBREG->setPixel(w, m_loopIndex, bVal); + } + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex ++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage, CJBig2_BitStream *pStream, IFX_Pause* pPause) +{ + int bitpos, i; + JBIG2_ALLOC((* pImage), CJBig2_Image(GBW, GBH)); + if ((* pImage)->m_pData == NULL) { + delete (* pImage); + (* pImage) = NULL; + m_pModule->JBig2_Error("Generic region decoding procedure: Create Image Failed with width = %d, height = %d\n", GBW, GBH); + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return m_ProssiveStatus; + } + bitpos = (int)pStream->getBitPos(); + _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos, (* pImage)->m_pData, GBW, GBH, (* pImage)->m_nStride); + pStream->setBitPos(bitpos); + for(i = 0; (FX_DWORD)i < (* pImage)->m_nStride * GBH; i++) { + (* pImage)->m_pData[i] = ~(* pImage)->m_pData[i]; + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_MMR() +{ + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::Continue_decode(IFX_Pause* pPause) +{ + if(m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) { + return m_ProssiveStatus; + } + switch (m_DecodeType) { + case 1: + return decode_Arith(pPause); + case 2: + return decode_Arith_V2(pPause); + case 3: + return decode_Arith_V1(pPause); + case 4: + return decode_MMR(); + } + m_ProssiveStatus = FXCODEC_STATUS_ERROR; + return m_ProssiveStatus; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if(m_pLine == NULL) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + FX_DWORD height = GBH & 0x7fffffff; + for(; m_loopIndex < height; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 6; + line2 = *pLine2++; + CONTEXT = ((line1 & 0xf800) | (line2 & 0x07f0)); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 6); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> k) & 0x0800) + | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0800) + | ((line2 >> (7 - k)) & 0x0010)); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 & 0x07f0); + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> k) & 0x0010)); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = (((CONTEXT & 0x7bf7) << 1) | bVal + | ((line2 >> (7 - k)) & 0x0010)); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x9b25]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(2, m_loopIndex - 1); + line2 |= pImage->getPixel(1, m_loopIndex - 1) << 1; + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line2 << 5; + CONTEXT |= pImage->getPixel(w + GBAT[2], m_loopIndex + GBAT[3]) << 10; + CONTEXT |= pImage->getPixel(w + GBAT[4], m_loopIndex + GBAT[5]) << 11; + CONTEXT |= line1 << 12; + CONTEXT |= pImage->getPixel(w + GBAT[6], m_loopIndex + GBAT[7]) << 15; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | pImage->getPixel(w + 3, m_loopIndex - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x0f; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 4; + line2 = *pLine2++; + CONTEXT = (line1 & 0x1e00) | ((line2 >> 1) & 0x01f8); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 4); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> k) & 0x0200) + | ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0200) + | ((line2 >> (8 - k)) & 0x0008); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 1) & 0x01f8; + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (k + 1)) & 0x0008); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x0efb) << 1) | bVal + | ((line2 >> (8 - k)) & 0x0008); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(FX_DWORD h = 0; h < GBH; h++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0795]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(h, h - 1); + } else { + line1 = pImage->getPixel(2, h - 2); + line1 |= pImage->getPixel(1, h - 2) << 1; + line1 |= pImage->getPixel(0, h - 2) << 2; + line2 = pImage->getPixel(2, h - 1); + line2 |= pImage->getPixel(1, h - 1) << 1; + line2 |= pImage->getPixel(0, h - 1) << 2; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, h)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3; + CONTEXT |= line2 << 4; + CONTEXT |= line1 << 9; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, h, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 3, h - 2)) & 0x0f; + line2 = ((line2 << 1) | pImage->getPixel(w + 3, h - 1)) & 0x1f; + line3 = ((line3 << 1) | bVal) & 0x07; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + FX_BYTE *pLine1, *pLine2, cVal; + FX_INT32 nStride, nStride2, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if(!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nStride2 = nStride << 1; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 1) { + pLine1 = m_pLine - nStride2; + pLine2 = m_pLine - nStride; + line1 = (*pLine1++) << 1; + line2 = *pLine2++; + CONTEXT = (line1 & 0x0380) | ((line2 >> 3) & 0x007c); + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | ((*pLine1++) << 1); + line2 = (line2 << 8) | (*pLine2++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> k) & 0x0080) + | ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line1 >> (7 - k)) & 0x0080) + | ((line2 >> (10 - k)) & 0x0004); + } + m_pLine[nLineBytes] = cVal; + } else { + pLine2 = m_pLine - nStride; + line2 = (m_loopIndex & 1) ? (*pLine2++) : 0; + CONTEXT = (line2 >> 3) & 0x007c; + for(cc = 0; cc < nLineBytes; cc++) { + if(m_loopIndex & 1) { + line2 = (line2 << 8) | (*pLine2++); + } + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | ((line2 >> (k + 3)) & 0x0004); + } + m_pLine[cc] = cVal; + } + line2 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01bd) << 1) | bVal + | (((line2 >> (10 - k))) & 0x0004); + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2, line3; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 2); + line1 |= pImage->getPixel(0, m_loopIndex - 2) << 1; + line2 = pImage->getPixel(1, m_loopIndex - 1); + line2 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line3 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line3; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 2; + CONTEXT |= line2 << 3; + CONTEXT |= line1 << 7; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 2)) & 0x07; + line2 = ((line2 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x0f; + line3 = ((line3 << 1) | bVal) & 0x03; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1; + FX_BYTE *pLine1, cVal; + FX_INT32 nStride, k; + FX_INT32 nLineBytes, nBitsLeft, cc; + if (!m_pLine) { + m_pLine = pImage->m_pData; + } + nStride = pImage->m_nStride; + nLineBytes = ((GBW + 7) >> 3) - 1; + nBitsLeft = GBW - (nLineBytes << 3); + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + if(m_loopIndex > 0) { + pLine1 = m_pLine - nStride; + line1 = *pLine1++; + CONTEXT = (line1 >> 1) & 0x03f0; + for(cc = 0; cc < nLineBytes; cc++) { + line1 = (line1 << 8) | (*pLine1++); + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (k + 1)) & 0x0010); + } + m_pLine[cc] = cVal; + } + line1 <<= 8; + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal + | ((line1 >> (8 - k)) & 0x0010); + } + m_pLine[nLineBytes] = cVal; + } else { + CONTEXT = 0; + for(cc = 0; cc < nLineBytes; cc++) { + cVal = 0; + for(k = 7; k >= 0; k--) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << k; + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + m_pLine[cc] = cVal; + } + cVal = 0; + for(k = 0; k < nBitsLeft; k++) { + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + cVal |= bVal << (7 - k); + CONTEXT = ((CONTEXT & 0x01f7) << 1) | bVal; + } + m_pLine[nLineBytes] = cVal; + } + } + m_pLine += nStride; + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} +FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_unopt(CJBig2_Image * pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause) +{ + FX_BOOL SLTP, bVal; + FX_DWORD CONTEXT; + FX_DWORD line1, line2; + for(; m_loopIndex < GBH; m_loopIndex++) { + if(TPGDON) { + SLTP = pArithDecoder->DECODE(&gbContext[0x0195]); + LTP = LTP ^ SLTP; + } + if(LTP == 1) { + pImage->copyLine(m_loopIndex, m_loopIndex - 1); + } else { + line1 = pImage->getPixel(1, m_loopIndex - 1); + line1 |= pImage->getPixel(0, m_loopIndex - 1) << 1; + line2 = 0; + for(FX_DWORD w = 0; w < GBW; w++) { + if(USESKIP && SKIP->getPixel(w, m_loopIndex)) { + bVal = 0; + } else { + CONTEXT = line2; + CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4; + CONTEXT |= line1 << 5; + bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]); + } + if(bVal) { + pImage->setPixel(w, m_loopIndex, bVal); + } + line1 = ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f; + line2 = ((line2 << 1) | bVal) & 0x0f; + } + } + if(pPause && pPause->NeedToPauseNow()) { + m_loopIndex++; + m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE; + return FXCODEC_STATUS_DECODE_TOBECONTINUE; + } + } + m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH; + return FXCODEC_STATUS_DECODE_FINISH; +} -- cgit v1.2.3