Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(128)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp

Issue 1265503005: clang-format all pdfium code. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: sigh Created 5 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h ('k') | core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h » ('j') | fpdfsdk/src/javascript/Consts.cpp » ('J')
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: 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
index cabcd4c6340643d771e40be37634f6307de02f9c..415d919f2570516e568452f9538cbe76ee1ed334 100644
--- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
@@ -1,7 +1,7 @@
// 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"
@@ -12,2357 +12,2265 @@
#include "JBig2_PatternDict.h"
extern const JBig2ArithQe QeTable[] = {
- { 0x5601, 1, 1, 1 },
- { 0x3401, 2, 6, 0 },
- { 0x1801, 3, 9, 0 },
- { 0x0AC1, 4, 12, 0 },
- { 0x0521, 5, 29, 0 },
- { 0x0221, 38, 33, 0 },
- { 0x5601, 7, 6, 1 },
- { 0x5401, 8, 14, 0 },
- { 0x4801, 9, 14, 0 },
- { 0x3801, 10, 14, 0 },
- { 0x3001, 11, 17, 0 },
- { 0x2401, 12, 18, 0 },
- { 0x1C01, 13, 20, 0 },
- { 0x1601, 29, 21, 0 },
- { 0x5601, 15, 14, 1 },
- { 0x5401, 16, 14, 0 },
- { 0x5101, 17, 15, 0 },
- { 0x4801, 18, 16, 0 },
- { 0x3801, 19, 17, 0 },
- { 0x3401, 20, 18, 0 },
- { 0x3001, 21, 19, 0 },
- { 0x2801, 22, 19, 0 },
- { 0x2401, 23, 20, 0 },
- { 0x2201, 24, 21, 0 },
- { 0x1C01, 25, 22, 0 },
- { 0x1801, 26, 23, 0 },
- { 0x1601, 27, 24, 0 },
- { 0x1401, 28, 25, 0 },
- { 0x1201, 29, 26, 0 },
- { 0x1101, 30, 27, 0 },
- { 0x0AC1, 31, 28, 0 },
- { 0x09C1, 32, 29, 0 },
- { 0x08A1, 33, 30, 0 },
- { 0x0521, 34, 31, 0 },
- { 0x0441, 35, 32, 0 },
- { 0x02A1, 36, 33, 0 },
- { 0x0221, 37, 34, 0 },
- { 0x0141, 38, 35, 0 },
- { 0x0111, 39, 36, 0 },
- { 0x0085, 40, 37, 0 },
- { 0x0049, 41, 38, 0 },
- { 0x0025, 42, 39, 0 },
- { 0x0015, 43, 40, 0 },
- { 0x0009, 44, 41, 0 },
- { 0x0005, 45, 42, 0 },
- { 0x0001, 45, 43, 0 },
- { 0x5601, 46, 46, 0 }
-};
+ {0x5601, 1, 1, 1}, {0x3401, 2, 6, 0}, {0x1801, 3, 9, 0},
+ {0x0AC1, 4, 12, 0}, {0x0521, 5, 29, 0}, {0x0221, 38, 33, 0},
+ {0x5601, 7, 6, 1}, {0x5401, 8, 14, 0}, {0x4801, 9, 14, 0},
+ {0x3801, 10, 14, 0}, {0x3001, 11, 17, 0}, {0x2401, 12, 18, 0},
+ {0x1C01, 13, 20, 0}, {0x1601, 29, 21, 0}, {0x5601, 15, 14, 1},
+ {0x5401, 16, 14, 0}, {0x5101, 17, 15, 0}, {0x4801, 18, 16, 0},
+ {0x3801, 19, 17, 0}, {0x3401, 20, 18, 0}, {0x3001, 21, 19, 0},
+ {0x2801, 22, 19, 0}, {0x2401, 23, 20, 0}, {0x2201, 24, 21, 0},
+ {0x1C01, 25, 22, 0}, {0x1801, 26, 23, 0}, {0x1601, 27, 24, 0},
+ {0x1401, 28, 25, 0}, {0x1201, 29, 26, 0}, {0x1101, 30, 27, 0},
+ {0x0AC1, 31, 28, 0}, {0x09C1, 32, 29, 0}, {0x08A1, 33, 30, 0},
+ {0x0521, 34, 31, 0}, {0x0441, 35, 32, 0}, {0x02A1, 36, 33, 0},
+ {0x0221, 37, 34, 0}, {0x0141, 38, 35, 0}, {0x0111, 39, 36, 0},
+ {0x0085, 40, 37, 0}, {0x0049, 41, 38, 0}, {0x0025, 42, 39, 0},
+ {0x0015, 43, 40, 0}, {0x0009, 44, 41, 0}, {0x0005, 45, 42, 0},
+ {0x0001, 45, 43, 0}, {0x5601, 46, 46, 0}};
extern const unsigned int JBIG2_QE_NUM = sizeof(QeTable) / sizeof(JBig2ArithQe);
-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;
+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);
}
- 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 (GBTEMPLATE == 1) {
+ if ((GBAT[0] == 3) && (GBAT[1] == (signed char)-1)) {
+ return decode_Arith_Template1_opt3(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);
- }
+ 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);
+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 {
- 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;
- }
+ 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;
+ }
+ 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;
- uint8_t *pLine, cVal;
- intptr_t nStride, nStride2;
- int32_t 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;
+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;
+ uint8_t *pLine, cVal;
+ intptr_t nStride, nStride2;
+ int32_t 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;
}
- 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);
+ 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 {
- 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;
- }
+ 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 += nStride;
+ pLine[w >> 3] = cVal;
+ }
}
- return GBREG;
+ 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;
- uint8_t *pLine, *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t 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;
+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;
+ uint8_t *pLine, *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t 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;
}
- 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;
}
- 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;
- }
+ 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 += 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;
+ 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;
}
- 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;
- }
+ 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;
+ }
}
- return GBREG;
+ pLine += nStride;
+ }
+ 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);
+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 {
- 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;
- }
+ 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;
+ }
+ 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;
- uint8_t *pLine, cVal;
- intptr_t nStride, nStride2;
- int32_t 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;
+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;
}
- 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);
+ 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 {
- 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;
- }
+ CONTEXT = line3;
+ CONTEXT |= line2 << 3;
+ CONTEXT |= line1 << 9;
+ bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
+ }
+ if (bVal) {
+ GBREG->setPixel(w, h, bVal);
}
- pLine += nStride;
+ 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;
+ }
+ 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;
- uint8_t *pLine, *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t 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;
+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;
+ uint8_t *pLine, cVal;
+ intptr_t nStride, nStride2;
+ int32_t 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;
}
- 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);
+ 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 {
- 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;
- }
+ 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 += nStride;
+ pLine[w >> 3] = cVal;
+ }
}
- return GBREG;
+ 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;
+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;
+ uint8_t *pLine, *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t 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;
}
- 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;
- }
+ 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;
+ }
}
- return GBREG;
+ pLine += nStride;
+ }
+ 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);
+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 {
- 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;
- }
+ 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;
+ }
+ 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;
- uint8_t *pLine, cVal;
- intptr_t nStride, nStride2;
- int32_t 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;
+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;
}
- 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);
+ 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 {
- 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;
- }
+ CONTEXT = line3;
+ CONTEXT |= line2 << 2;
+ CONTEXT |= line1 << 7;
+ bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
+ }
+ if (bVal) {
+ GBREG->setPixel(w, h, bVal);
}
- pLine += nStride;
+ 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;
+ }
+ 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;
- uint8_t *pLine, *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t 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;
+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;
+ uint8_t *pLine, cVal;
+ intptr_t nStride, nStride2;
+ int32_t 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;
}
- 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);
+ 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 {
- 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;
- }
+ 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 += nStride;
+ pLine[w >> 3] = cVal;
+ }
}
- return GBREG;
+ 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;
+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;
+ uint8_t *pLine, *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t 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;
}
- 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;
- }
+ 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;
+ }
}
- return GBREG;
+ pLine += nStride;
+ }
+ 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);
+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 {
- 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;
- }
+ 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;
+ }
+ 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;
- uint8_t *pLine, cVal;
- intptr_t nStride;
- int32_t 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;
+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;
}
- pLine = GBREG->m_pData;
- nStride = GBREG->m_nStride;
- 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);
+ 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 {
- 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;
- }
+ CONTEXT = line2;
+ CONTEXT |= line1 << 4;
+ bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
+ }
+ if (bVal) {
+ GBREG->setPixel(w, h, bVal);
}
- pLine += nStride;
+ line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x3f;
+ line2 = ((line2 << 1) | bVal) & 0x0f;
+ }
}
- return GBREG;
+ }
+ 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;
- uint8_t *pLine, *pLine1, cVal;
- int32_t nStride, k;
- int32_t 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;
+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;
+ uint8_t *pLine, cVal;
+ intptr_t nStride;
+ int32_t 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;
+ for (FX_DWORD h = 0; h < GBH; h++) {
+ if (TPGDON) {
+ SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
+ LTP = LTP ^ SLTP;
}
- 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);
+ 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 {
- 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;
- }
+ 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 += nStride;
+ pLine[w >> 3] = cVal;
+ }
}
- return GBREG;
+ 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;
+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;
+ uint8_t *pLine, *pLine1, cVal;
+ int32_t nStride, k;
+ int32_t 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;
}
- 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;
- }
+ 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;
+ }
}
- return GBREG;
+ pLine += nStride;
+ }
+ 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);
+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 {
- 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;
- }
+ 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;
+ }
+ 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;
+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]);
}
- 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));
+ if (bVal) {
+ GBREG->setPixel(w, h, bVal);
}
- } 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);
- }
+ 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;
+ }
+ 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;
+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;
}
- 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];
+ 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(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext)
-{
- if (GRW == 0 || GRH == 0) {
- CJBig2_Image* pImage;
- JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH));
- return pImage;
+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(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);
- }
+ 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 {
- if((GRREFERENCEDX == 0) && (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) {
- return decode_Template1_opt(pArithDecoder, grContext);
- } else {
- return decode_Template1_unopt(pArithDecoder, grContext);
+ 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_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;
- }
+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;
+ uint8_t *pLine, *pLineR, cVal;
+ intptr_t nStride, nStrideR, nOffset;
+ int32_t k, nBits;
+ int32_t GRWR, GRHR;
+ int32_t GRW, GRH;
+ GRW = (int32_t)CJBig2_GRRDProc::GRW;
+ GRH = (int32_t)CJBig2_GRRDProc::GRH;
+ LTP = 0;
+ 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 = (int32_t)GRREFERENCE->m_nWidth;
+ GRHR = (int32_t)GRREFERENCE->m_nHeight;
+ if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
+ GRREFERENCEDY = 0;
+ }
+ nOffset = -GRREFERENCEDY * nStrideR;
+ for (int32_t h = 0; h < GRH; h++) {
+ if (TPGRON) {
+ SLTP = pArithDecoder->DECODE(&grContext[0x0010]);
+ LTP = LTP ^ SLTP;
+ }
+ line1 = (h > 0) ? pLine[-nStride] << 4 : 0;
+ int32_t reference_h = h - GRREFERENCEDY;
+ FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
+ FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
+ FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
+ line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
+ line2_r = line2_r_ok ? pLineR[nOffset] : 0;
+ line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
+ if (LTP == 0) {
+ CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) |
+ ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
+ for (int32_t w = 0; w < GRW; w += 8) {
+ nBits = GRW - w > 8 ? 8 : GRW - w;
+ if (h > 0)
+ line1 = (line1 << 8) |
+ (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
+ if (h > GRHR + GRREFERENCEDY + 1) {
+ line1_r = 0;
+ line2_r = 0;
+ line3_r = 0;
} else {
- 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;
- }
+ if (line1_r_ok)
+ line1_r =
+ (line1_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
+ if (line2_r_ok)
+ line2_r = (line2_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
+ if (line3_r_ok)
+ line3_r =
+ (line3_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
+ else {
+ line3_r = 0;
+ }
+ }
+ cVal = 0;
+ for (k = 0; k < nBits; k++) {
+ bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
+ cVal |= bVal << (7 - k);
+ CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
+ ((line1 >> (7 - k)) & 0x0400) |
+ ((line1_r >> (7 - k)) & 0x0040) |
+ ((line2_r >> (10 - k)) & 0x0008) |
+ ((line3_r >> (13 - k)) & 0x0001);
+ }
+ pLine[w >> 3] = cVal;
+ }
+ } else {
+ CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0) |
+ ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
+ for (int32_t w = 0; w < GRW; w += 8) {
+ nBits = GRW - w > 8 ? 8 : GRW - w;
+ if (h > 0)
+ line1 = (line1 << 8) |
+ (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
+ if (line1_r_ok)
+ line1_r =
+ (line1_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
+ if (line2_r_ok)
+ line2_r = (line2_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
+ if (line3_r_ok)
+ line3_r =
+ (line3_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
+ else {
+ line3_r = 0;
+ }
+ cVal = 0;
+ for (k = 0; k < nBits; k++) {
+ bVal = GRREFERENCE->getPixel(w + k, h);
+ if (!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1)) &&
+ (bVal == GRREFERENCE->getPixel(w + k, h - 1)) &&
+ (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1)) &&
+ (bVal == GRREFERENCE->getPixel(w + k - 1, h)) &&
+ (bVal == GRREFERENCE->getPixel(w + k + 1, h)) &&
+ (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1)) &&
+ (bVal == GRREFERENCE->getPixel(w + k, h + 1)) &&
+ (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) {
+ bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
+ }
+ cVal |= bVal << (7 - k);
+ CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
+ ((line1 >> (7 - k)) & 0x0400) |
+ ((line1_r >> (7 - k)) & 0x0040) |
+ ((line2_r >> (10 - k)) & 0x0008) |
+ ((line3_r >> (13 - k)) & 0x0001);
}
+ pLine[w >> 3] = cVal;
+ }
}
- return GRREG;
+ pLine += nStride;
+ if (h < GRHR + GRREFERENCEDY) {
+ pLineR += nStrideR;
+ }
+ }
+ 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;
- uint8_t *pLine, *pLineR, cVal;
- intptr_t nStride, nStrideR, nOffset;
- int32_t k, nBits;
- int32_t GRWR, GRHR;
- int32_t GRW, GRH;
- GRW = (int32_t)CJBig2_GRRDProc::GRW;
- GRH = (int32_t)CJBig2_GRRDProc::GRH;
- LTP = 0;
- 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;
+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;
+ }
}
- pLine = GRREG->m_pData;
- pLineR = GRREFERENCE->m_pData;
- nStride = GRREG->m_nStride;
- nStrideR = GRREFERENCE->m_nStride;
- GRWR = (int32_t)GRREFERENCE->m_nWidth;
- GRHR = (int32_t)GRREFERENCE->m_nHeight;
- if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
- GRREFERENCEDY = 0;
+ }
+ 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;
+ uint8_t *pLine, *pLineR, cVal;
+ intptr_t nStride, nStrideR, nOffset;
+ int32_t k, nBits;
+ int32_t GRWR, GRHR;
+ int32_t GRW, GRH;
+ GRW = (int32_t)CJBig2_GRRDProc::GRW;
+ GRH = (int32_t)CJBig2_GRRDProc::GRH;
+ LTP = 0;
+ 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 = (int32_t)GRREFERENCE->m_nWidth;
+ GRHR = (int32_t)GRREFERENCE->m_nHeight;
+ if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
+ GRREFERENCEDY = 0;
+ }
+ nOffset = -GRREFERENCEDY * nStrideR;
+ for (int32_t h = 0; h < GRH; h++) {
+ if (TPGRON) {
+ SLTP = pArithDecoder->DECODE(&grContext[0x0008]);
+ LTP = LTP ^ SLTP;
}
- nOffset = -GRREFERENCEDY * nStrideR;
- for (int32_t h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0010]);
- LTP = LTP ^ SLTP;
+ line1 = (h > 0) ? pLine[-nStride] << 1 : 0;
+ int32_t reference_h = h - GRREFERENCEDY;
+ FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
+ FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
+ FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
+ line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
+ line2_r = line2_r_ok ? pLineR[nOffset] : 0;
+ line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
+ if (LTP == 0) {
+ CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) |
+ ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
+ for (int32_t w = 0; w < GRW; w += 8) {
+ nBits = GRW - w > 8 ? 8 : GRW - w;
+ if (h > 0)
+ line1 = (line1 << 8) |
+ (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
+ if (line1_r_ok)
+ line1_r =
+ (line1_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
+ if (line2_r_ok)
+ line2_r = (line2_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
+ if (line3_r_ok)
+ line3_r =
+ (line3_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
+ else {
+ line3_r = 0;
}
- line1 = (h > 0) ? pLine[-nStride] << 4 : 0;
- int32_t reference_h = h - GRREFERENCEDY;
- FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
- FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
- FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
- line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
- line2_r = line2_r_ok ? pLineR[nOffset] : 0;
- line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
- if(LTP == 0) {
- CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0)
- | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
- for (int32_t w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
- if (h > GRHR + GRREFERENCEDY + 1) {
- line1_r = 0;
- line2_r = 0;
- line3_r = 0;
- } else {
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
- ((line1 >> (7 - k)) & 0x0400) |
- ((line1_r >> (7 - k)) & 0x0040) |
- ((line2_r >> (10 - k)) & 0x0008) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
- } else {
- CONTEXT = (line1 & 0x1c00) | (line1_r & 0x01c0)
- | ((line2_r >> 3) & 0x0038) | ((line3_r >> 6) & 0x0007);
- for (int32_t w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 4 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = GRREFERENCE->getPixel(w + k, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x0cdb) << 1) | (bVal << 9) |
- ((line1 >> (7 - k)) & 0x0400) |
- ((line1_r >> (7 - k)) & 0x0040) |
- ((line2_r >> (10 - k)) & 0x0008) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
+ cVal = 0;
+ for (k = 0; k < nBits; k++) {
+ bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
+ cVal |= bVal << (7 - k);
+ CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) |
+ ((line1 >> (7 - k)) & 0x0080) |
+ ((line1_r >> (9 - k)) & 0x0020) |
+ ((line2_r >> (11 - k)) & 0x0004) |
+ ((line3_r >> (13 - k)) & 0x0001);
+ }
+ pLine[w >> 3] = cVal;
+ }
+ } else {
+ CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020) |
+ ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
+ for (int32_t w = 0; w < GRW; w += 8) {
+ nBits = GRW - w > 8 ? 8 : GRW - w;
+ if (h > 0)
+ line1 = (line1 << 8) |
+ (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
+ if (line1_r_ok)
+ line1_r =
+ (line1_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
+ if (line2_r_ok)
+ line2_r = (line2_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
+ if (line3_r_ok)
+ line3_r =
+ (line3_r << 8) |
+ (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
+ else {
+ line3_r = 0;
}
- pLine += nStride;
- if (h < GRHR + GRREFERENCEDY) {
- pLineR += nStrideR;
+ 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;
+ }
+ 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;
+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;
}
- 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;
- }
+ 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 {
- 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;
- }
+ 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;
+ }
+ 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;
- uint8_t *pLine, *pLineR, cVal;
- intptr_t nStride, nStrideR, nOffset;
- int32_t k, nBits;
- int32_t GRWR, GRHR;
- int32_t GRW, GRH;
- GRW = (int32_t)CJBig2_GRRDProc::GRW;
- GRH = (int32_t)CJBig2_GRRDProc::GRH;
- LTP = 0;
- 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 = (int32_t)GRREFERENCE->m_nWidth;
- GRHR = (int32_t)GRREFERENCE->m_nHeight;
- if (GRREFERENCEDY < -GRHR + 1 || GRREFERENCEDY > GRHR - 1) {
- GRREFERENCEDY = 0;
+CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
+ JBig2ArithCtx* grContext) {
+ int32_t STRIPT, FIRSTS;
+ FX_DWORD NINSTANCES;
+ int32_t DT, DFS, CURS;
+ uint8_t CURT;
+ int32_t SI, TI;
+ FX_DWORD IDI;
+ CJBig2_Image* IBI;
+ FX_DWORD WI, HI;
+ int32_t IDS;
+ FX_BOOL RI;
+ int32_t RDWI, RDHI, RDXI, RDYI;
+ CJBig2_Image* IBOI;
+ FX_DWORD WOI, HOI;
+ CJBig2_Image* SBREG;
+ FX_BOOL bFirst;
+ FX_DWORD nTmp;
+ int32_t 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;
}
- nOffset = -GRREFERENCEDY * nStrideR;
- for (int32_t h = 0; h < GRH; h++) {
- if(TPGRON) {
- SLTP = pArithDecoder->DECODE(&grContext[0x0008]);
- LTP = LTP ^ SLTP;
+ 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;
}
- line1 = (h > 0) ? pLine[-nStride] << 1 : 0;
- int32_t reference_h = h - GRREFERENCEDY;
- FX_BOOL line1_r_ok = (reference_h > 0 && reference_h < GRHR + 1);
- FX_BOOL line2_r_ok = (reference_h > -1 && reference_h < GRHR);
- FX_BOOL line3_r_ok = (reference_h > -2 && reference_h < GRHR - 1);
- line1_r = line1_r_ok ? pLineR[nOffset - nStrideR] : 0;
- line2_r = line2_r_ok ? pLineR[nOffset] : 0;
- line3_r = line3_r_ok ? pLineR[nOffset + nStrideR] : 0;
- if(LTP == 0) {
- CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020)
- | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
- for (int32_t w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) |
- ((line1 >> (7 - k)) & 0x0080) |
- ((line1_r >> (9 - k)) & 0x0020) |
- ((line2_r >> (11 - k)) & 0x0004) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
+ 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 {
- CONTEXT = (line1 & 0x0380) | ((line1_r >> 2) & 0x0020)
- | ((line2_r >> 4) & 0x001c) | ((line3_r >> 6) & 0x0003);
- for (int32_t w = 0; w < GRW; w += 8) {
- nBits = GRW - w > 8 ? 8 : GRW - w;
- if (h > 0)
- line1 = (line1 << 8) |
- (w + 8 < GRW ? pLine[-nStride + (w >> 3) + 1] << 1 : 0);
- if(line1_r_ok)
- line1_r = (line1_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset - nStrideR + (w >> 3) + 1] : 0);
- if(line2_r_ok)
- line2_r = (line2_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + (w >> 3) + 1] : 0);
- if(line3_r_ok)
- line3_r = (line3_r << 8) |
- (w + 8 < GRWR ? pLineR[nOffset + nStrideR + (w >> 3) + 1] : 0);
- else {
- line3_r = 0;
- }
- cVal = 0;
- for (k = 0; k < nBits; k++) {
- bVal = GRREFERENCE->getPixel(w + k, h);
- if(!(TPGRON && (bVal == GRREFERENCE->getPixel(w + k - 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h - 1))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h))
- && (bVal == GRREFERENCE->getPixel(w + k - 1, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k, h + 1))
- && (bVal == GRREFERENCE->getPixel(w + k + 1, h + 1)))) {
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- }
- cVal |= bVal << (7 - k);
- CONTEXT = ((CONTEXT & 0x018d) << 1) | (bVal << 6) |
- ((line1 >> (7 - k)) & 0x0080) |
- ((line1_r >> (9 - k)) & 0x0020) |
- ((line2_r >> (11 - k)) & 0x0004) |
- ((line3_r >> (13 - k)) & 0x0001);
- }
- pLine[w >> 3] = cVal;
- }
+ CURS = CURS + IDS + SBDSOFFSET;
}
- pLine += nStride;
- if (h < GRHR + GRREFERENCEDY) {
- pLineR += nStrideR;
+ }
+ if (SBSTRIPS == 1) {
+ CURT = 0;
+ } else {
+ nTmp = 1;
+ while ((FX_DWORD)(1 << nTmp) < SBSTRIPS) {
+ nTmp++;
}
- }
- 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 (pStream->readNBits(nTmp, &nVal) != 0) {
+ m_pModule->JBig2_Error(
+ "text region decoding procedure (huffman): too short.");
+ goto failed;
}
- 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);
- }
- }
+ 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;
}
- }
- return GRREG;
-}
-CJBig2_Image *CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream *pStream, JBig2ArithCtx *grContext)
-{
- int32_t STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- int32_t DT, DFS, CURS;
- uint8_t CURT;
- int32_t SI, TI;
- FX_DWORD IDI;
- CJBig2_Image *IBI;
- FX_DWORD WI, HI;
- int32_t IDS;
- FX_BOOL RI;
- int32_t RDWI, RDHI, RDXI, RDYI;
- CJBig2_Image *IBOI;
- FX_DWORD WOI, HOI;
- CJBig2_Image *SBREG;
- FX_BOOL bFirst;
- FX_DWORD nTmp;
- int32_t 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;
+ nVal = (nVal << 1) | nTmp;
+ nBits++;
+ for (IDI = 0; IDI < SBNUMSYMS; IDI++) {
+ if ((nBits == SBSYMCODES[IDI].codelen) &&
+ (nVal == SBSYMCODES[IDI].code)) {
+ break;
+ }
}
- 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;
+ if (IDI < SBNUMSYMS) {
+ break;
}
- }
- delete pHuffmanDecoder;
- return SBREG;
-failed:
- delete pHuffmanDecoder;
- delete SBREG;
- return NULL;
-}
-CJBig2_Image *CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *grContext,
- JBig2IntDecoderState *pIDS)
-{
- int32_t STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- int32_t DT, DFS, CURS;
- int32_t CURT;
- int32_t SI, TI;
- FX_DWORD IDI;
- CJBig2_Image *IBI;
- FX_DWORD WI, HI;
- int32_t IDS;
- int RI;
- int32_t RDWI, RDHI, RDXI, RDYI;
- CJBig2_Image *IBOI;
- FX_DWORD WOI, HOI;
- CJBig2_Image *SBREG;
- FX_BOOL bFirst;
- int32_t nRet, nVal;
- int32_t 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;
+ }
+ if (SBREFINE == 0) {
+ RI = 0;
+ } else {
+ if (pStream->read1Bit(&RI) != 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(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 (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;
}
- 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;
+ }
+ delete pHuffmanDecoder;
+ 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;
+ delete pHuffmanDecoder;
+ delete SBREG;
+ return NULL;
}
-CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, JBig2ArithCtx *grContext)
-{
- CJBig2_Image **SDNEWSYMS;
- FX_DWORD HCHEIGHT, NSYMSDECODED;
- int32_t HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH;
- int32_t DW;
- CJBig2_Image *BS;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL *EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- int32_t nVal;
- FX_DWORD nTmp;
- FX_DWORD SBNUMSYMS;
- uint8_t SBSYMCODELEN;
- FX_DWORD IDI;
- int32_t 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());
+CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* grContext,
+ JBig2IntDecoderState* pIDS) {
+ int32_t STRIPT, FIRSTS;
+ FX_DWORD NINSTANCES;
+ int32_t DT, DFS, CURS;
+ int32_t CURT;
+ int32_t SI, TI;
+ FX_DWORD IDI;
+ CJBig2_Image* IBI;
+ FX_DWORD WI, HI;
+ int32_t IDS;
+ int RI;
+ int32_t RDWI, RDHI, RDXI, RDYI;
+ CJBig2_Image* IBOI;
+ FX_DWORD WOI, HOI;
+ CJBig2_Image* SBREG;
+ FX_BOOL bFirst;
+ int32_t nRet, nVal;
+ int32_t 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());
@@ -2370,269 +2278,186 @@ CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecod
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(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;
}
- JBIG2_ALLOC(IAID, CJBig2_ArithIaidDecoder((uint8_t)nTmp));
- SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(CJBig2_Image*));
- FXSYS_memset(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;
+ 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;
}
- 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;
+ 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;
}
- SYMWIDTH = 0;
- TOTWIDTH = 0;
- 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 = (uint8_t)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) {
- 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;
+ }
+ 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;
}
- }
- 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;
+ 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 (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value.");
- 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;
}
- if(EXRUNLENGTH != 0) {
- for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
+ 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;
}
- 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];
+ 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 (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;
+ }
+ if (bRetained == FALSE) {
delete IADT;
delete IAFS;
delete IADS;
@@ -2640,22 +2465,13 @@ CJBig2_SymbolDict *CJBig2_SDDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecod
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;
+ }
+ return SBREG;
+failed:
+ if (bRetained == FALSE) {
delete IADT;
delete IAFS;
delete IADS;
@@ -2663,1669 +2479,2184 @@ failed:
delete IARI;
delete IARDW;
delete IARDH;
- return NULL;
+ delete IARDX;
+ delete IARDY;
+ delete IAID;
+ }
+ delete SBREG;
+ 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;
- int32_t HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM;
- int32_t DW;
- CJBig2_Image *BS, *BHC;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL *EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- int32_t nVal, nBits;
- FX_DWORD nTmp;
- FX_DWORD SBNUMSYMS;
- uint8_t SBSYMCODELEN;
- JBig2HuffmanCode *SBSYMCODES;
- FX_DWORD IDI;
- int32_t RDXI, RDYI;
- FX_DWORD BMSIZE;
- FX_DWORD stride;
- CJBig2_Image **SBSYMS;
- 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_memset(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_memset(SDNEWSYMWIDTHS, 0 , SDNUMNEWSYMS * sizeof(FX_DWORD));
- }
- HCHEIGHT = 0;
- NSYMSDECODED = 0;
+CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ JBig2ArithCtx* grContext) {
+ CJBig2_Image** SDNEWSYMS;
+ FX_DWORD HCHEIGHT, NSYMSDECODED;
+ int32_t HCDH;
+ FX_DWORD SYMWIDTH, TOTWIDTH;
+ int32_t DW;
+ CJBig2_Image* BS;
+ FX_DWORD I, J, REFAGGNINST;
+ FX_BOOL* EXFLAGS;
+ FX_DWORD EXINDEX;
+ FX_BOOL CUREXFLAG;
+ FX_DWORD EXRUNLENGTH;
+ int32_t nVal;
+ FX_DWORD nTmp;
+ FX_DWORD SBNUMSYMS;
+ uint8_t SBSYMCODELEN;
+ FX_DWORD IDI;
+ int32_t 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((uint8_t)nTmp));
+ SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS,
+ sizeof(CJBig2_Image*));
+ FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
+ HCHEIGHT = 0;
+ NSYMSDECODED = 0;
+ while (NSYMSDECODED < SDNUMNEWSYMS) {
BS = NULL;
- while(NSYMSDECODED < SDNUMNEWSYMS) {
- if(pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) {
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (huffman): too short.");
- goto failed;
+ 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;
+ 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;
}
- 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 = 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;
}
- 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) {
- SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS;
- nTmp = 1;
- while((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp ++;
- }
- SBSYMCODELEN = (uint8_t)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;
+ 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;
}
- if(SDREFAGG == 0) {
- if(pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&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;
+ delete pGRD;
+ } else {
+ if (IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) {
+ m_pModule->JBig2_Error(
+ "symbol dictionary decoding procedure (arith): too short.");
+ goto failed;
}
- }
- 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.");
+ 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 = (uint8_t)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;
- }
- if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- delete pTable;
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Error("symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH value.");
+ }
+ 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) {
+ 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;
}
- if(EXRUNLENGTH != 0) {
- for(I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
- }
- EXINDEX = EXINDEX + EXRUNLENGTH;
- CUREXFLAG = !CUREXFLAG;
+ }
+ SDNEWSYMS[NSYMSDECODED] = BS;
+ BS = NULL;
+ NSYMSDECODED = NSYMSDECODED + 1;
}
- 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];
- }
+ }
+ 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 (J < SDNUMEXSYMS) {
- pDict->SDNUMEXSYMS = J;
+ if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
+ m_pModule->JBig2_Free(EXFLAGS);
+ m_pModule->JBig2_Error(
+ "symbol dictionary decoding procedure (arith): Invalid EXRUNLENGTH "
+ "value.");
+ goto failed;
}
- m_pModule->JBig2_Free(EXFLAGS);
- m_pModule->JBig2_Free(SDNEWSYMS);
- if(SDREFAGG == 0) {
- m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
+ if (EXRUNLENGTH != 0) {
+ for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
+ EXFLAGS[I] = CUREXFLAG;
+ }
}
- delete pHuffmanDecoder;
- return pDict;
-failed:
- for(I = 0; I < NSYMSDECODED; I++) {
- delete SDNEWSYMS[I];
+ 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];
}
- m_pModule->JBig2_Free(SDNEWSYMS);
- if(SDREFAGG == 0) {
- m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
+ }
+ 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;
}
- delete pHuffmanDecoder;
- return 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_Image *CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_DWORD ng, mg;
- int32_t 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 >= (int32_t)HBW)
- | (y + HPH <= 0) | (y >= (int32_t)HPH)) {
- HSKIP->setPixel(ng, mg, 1);
- } else {
- HSKIP->setPixel(ng, mg, 0);
- }
- }
- }
+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;
+ int32_t HCDH;
+ FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM;
+ int32_t DW;
+ CJBig2_Image *BS, *BHC;
+ FX_DWORD I, J, REFAGGNINST;
+ FX_BOOL* EXFLAGS;
+ FX_DWORD EXINDEX;
+ FX_BOOL CUREXFLAG;
+ FX_DWORD EXRUNLENGTH;
+ int32_t nVal, nBits;
+ FX_DWORD nTmp;
+ FX_DWORD SBNUMSYMS;
+ uint8_t SBSYMCODELEN;
+ JBig2HuffmanCode* SBSYMCODES;
+ FX_DWORD IDI;
+ int32_t RDXI, RDYI;
+ FX_DWORD BMSIZE;
+ FX_DWORD stride;
+ CJBig2_Image** SBSYMS;
+ 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_memset(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_memset(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;
}
- HBPP = 1;
- while((FX_DWORD)(1 << HBPP) < HNUMPATS) {
- HBPP ++;
+ 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;
}
- JBIG2_ALLOC(pGID, CJBig2_GSIDProc());
- pGID->GSMMR = HMMR;
- pGID->GSW = HGW;
- pGID->GSH = HGH;
- pGID->GSBPP = (uint8_t)HBPP;
- pGID->GSUSESKIP = HENABLESKIP;
- pGID->GSKIP = HSKIP;
- pGID->GSTEMPLATE = HTEMPLATE;
- GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause);
- if(GI == NULL) {
+ 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;
- }
- 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;
+ } 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) {
+ SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS;
+ nTmp = 1;
+ while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
+ nTmp++;
+ }
+ SBSYMCODELEN = (uint8_t)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;
}
- HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
+ }
+ 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;
}
- m_pModule->JBig2_Free(GI);
- delete HSKIP;
- delete pGID;
- return HTREG;
-failed:
- delete HSKIP;
- delete pGID;
- delete HTREG;
- return NULL;
-}
-CJBig2_Image *CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream *pStream, IFX_Pause* pPause)
-{
- FX_DWORD ng, mg;
- int32_t 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 = (uint8_t)HBPP;
- pGID->GSUSESKIP = 0;
- GI = pGID->decode_MMR(pStream, pPause);
- if(GI == NULL) {
+ if (SDREFAGG == 0) {
+ if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) {
+ m_pModule->JBig2_Error(
+ "symbol dictionary decoding procedure (huffman): too short.");
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);
+ }
+ 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;
}
- m_pModule->JBig2_Free(GI);
- delete pGID;
- return HTREG;
+ 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:
- delete pGID;
- delete HTREG;
- return NULL;
+ for (I = 0; I < NSYMSDECODED; I++) {
+ delete SDNEWSYMS[I];
+ }
+ m_pModule->JBig2_Free(SDNEWSYMS);
+ if (SDREFAGG == 0) {
+ m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
+ }
+ delete pHuffmanDecoder;
+ 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] = -(int32_t)HDPW;
- pGRD->GBAT[1] = 0;
- if(pGRD->GBTEMPLATE == 0) {
- pGRD->GBAT[2] = -3;
- pGRD->GBAT[3] = -1;
- pGRD->GBAT[4] = 2;
- pGRD->GBAT[5] = -2;
- pGRD->GBAT[6] = -2;
- pGRD->GBAT[7] = -2;
+CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_DWORD ng, mg;
+ int32_t 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 >= (int32_t)HBW) | (y + HPH <= 0) |
+ (y >= (int32_t)HPH)) {
+ HSKIP->setPixel(ng, mg, 1);
+ } else {
+ HSKIP->setPixel(ng, mg, 0);
+ }
+ }
}
- FXCODEC_STATUS status = pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext);
- while(status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
+ }
+ 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 = (uint8_t)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);
}
- if(BHDC == NULL) {
- delete pGRD;
- goto failed;
+ }
+ m_pModule->JBig2_Free(GI);
+ delete HSKIP;
+ delete pGID;
+ return HTREG;
+failed:
+ delete HSKIP;
+ delete pGID;
+ delete HTREG;
+ return NULL;
+}
+CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream,
+ IFX_Pause* pPause) {
+ FX_DWORD ng, mg;
+ int32_t 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 = (uint8_t)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] = -(int32_t)HDPW;
+ pGRD->GBAT[1] = 0;
+ if (pGRD->GBTEMPLATE == 0) {
+ pGRD->GBAT[2] = -3;
+ pGRD->GBAT[3] = -1;
+ pGRD->GBAT[4] = 2;
+ pGRD->GBAT[5] = -2;
+ pGRD->GBAT[6] = -2;
+ pGRD->GBAT[7] = -2;
+ }
+ FXCODEC_STATUS status =
+ pGRD->Start_decode_Arith(&BHDC, pArithDecoder, gbContext);
+ while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
+ pGRD->Continue_decode(pPause);
+ }
+ if (BHDC == NULL) {
delete pGRD;
- GRAY = 0;
- while(GRAY <= GRAYMAX) {
- pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
- GRAY = GRAY + 1;
- }
- delete BHDC;
- return pDict;
+ 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;
+ 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;
- }
+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;
- GRAY = 0;
- while(GRAY <= GRAYMAX) {
- pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH);
- GRAY = GRAY + 1;
- }
- delete BHDC;
- return pDict;
+ 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;
+ delete pDict;
+ return NULL;
}
-FX_DWORD *CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder *pArithDecoder,
- JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- CJBig2_Image **GSPLANES;
- int32_t 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);
+FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ CJBig2_Image** GSPLANES;
+ int32_t 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[GSBPP - 1] == NULL) {
+ if (GSPLANES[J] == NULL) {
+ for (K = GSBPP - 1; K > J; K--) {
+ delete GSPLANES[K];
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];
+ 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;
+ }
}
- m_pModule->JBig2_Free(GSPLANES);
- delete pGRD;
- return GSVALS;
+ }
+ 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;
+ 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;
- int32_t 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;
+FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
+ IFX_Pause* pPause) {
+ CJBig2_Image** GSPLANES;
+ int32_t 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);
}
- 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);
+ 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[GSBPP - 1] == NULL) {
+ if (GSPLANES[J] == NULL) {
+ for (K = GSBPP - 1; K > J; K--) {
+ delete GSPLANES[K];
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;
- }
- }
+ 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;
+ }
+ 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;
+ 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::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);
- }
+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 {
- 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_ProssiveStatus = decode_Arith_Template0_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;
+ } 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);
}
- if(*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
+ } 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);
}
- 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;
+ } 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_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_DecodeType = 2;
- m_pPause = pPause;
- m_pImage = pImage;
- (*m_pImage)->fill(0);
- LTP = 0;
+ }
+ 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;
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- return decode_Arith_V2(pPause);
+ }
+ return m_ProssiveStatus;
}
-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;
- }
- }
+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::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;
+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;
}
- 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;
+ 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]);
}
- 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));
+ if (bVal) {
+ GBREG->setPixel(w, m_loopIndex, bVal);
}
- } 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);
- }
+ 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(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;
+ 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;
+ }
}
- 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];
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_loopIndex++;
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return FXCODEC_STATUS_DECODE_TOBECONTINUE;
}
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return m_ProssiveStatus;
+ }
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
+ return FXCODEC_STATUS_DECODE_FINISH;
}
-FXCODEC_STATUS CJBig2_GRDProc::decode_MMR()
-{
- return m_ProssiveStatus;
+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::Continue_decode(IFX_Pause* pPause)
-{
- if(m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- return m_ProssiveStatus;
- }
- switch (m_DecodeType) {
+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:
- return decode_Arith(pPause);
+ CONTEXT = 0x0795;
+ break;
case 2:
- return decode_Arith_V2(pPause);
+ CONTEXT = 0x00e5;
+ break;
case 3:
- return decode_Arith_V1(pPause);
- case 4:
- return decode_MMR();
+ 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;
- uint8_t *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t nLineBytes, nBitsLeft, cc;
- if(m_pLine == NULL) {
- m_pLine = pImage->m_pData;
+FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(
+ CJBig2_Image* pImage,
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_BOOL SLTP, bVal;
+ FX_DWORD CONTEXT;
+ FX_DWORD line1, line2;
+ uint8_t *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t nLineBytes, nBitsLeft, cc;
+ if (m_pLine == 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;
}
- 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;
}
- 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;
- }
+ 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 += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ 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);
+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 {
- 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;
- }
+ 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(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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;
+ }
}
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_loopIndex++;
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ }
+ }
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
+ return FXCODEC_STATUS_DECODE_FINISH;
}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- uint8_t *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t nLineBytes, nBitsLeft, cc;
- if (!m_pLine) {
- m_pLine = pImage->m_pData;
+FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template1_opt3(
+ CJBig2_Image* pImage,
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_BOOL SLTP, bVal;
+ FX_DWORD CONTEXT;
+ FX_DWORD line1, line2;
+ uint8_t *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t nLineBytes, nBitsLeft, cc;
+ if (!m_pLine) {
+ m_pLine = pImage->m_pData;
+ }
+ nStride = pImage->m_nStride;
+ nStride2 = nStride << 1;
+ nLineBytes = ((GBW + 7) >> 3) - 1;
+ nBitsLeft = GBW - (nLineBytes << 3);
+ for (; m_loopIndex < GBH; m_loopIndex++) {
+ if (TPGDON) {
+ SLTP = pArithDecoder->DECODE(&gbContext[0x0795]);
+ LTP = LTP ^ SLTP;
}
- 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;
}
- 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;
- }
+ 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;
}
- m_pLine += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ 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);
+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 {
- 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;
- }
+ CONTEXT = line3;
+ CONTEXT |= pImage->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
+ CONTEXT |= line2 << 4;
+ CONTEXT |= line1 << 9;
+ bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
}
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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;
+ }
}
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_loopIndex++;
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ }
+ }
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
+ return FXCODEC_STATUS_DECODE_FINISH;
}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1, line2;
- uint8_t *pLine1, *pLine2, cVal;
- int32_t nStride, nStride2, k;
- int32_t nLineBytes, nBitsLeft, cc;
- if(!m_pLine) {
- m_pLine = pImage->m_pData;
+FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template2_opt3(
+ CJBig2_Image* pImage,
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_BOOL SLTP, bVal;
+ FX_DWORD CONTEXT;
+ FX_DWORD line1, line2;
+ uint8_t *pLine1, *pLine2, cVal;
+ int32_t nStride, nStride2, k;
+ int32_t nLineBytes, nBitsLeft, cc;
+ if (!m_pLine) {
+ m_pLine = pImage->m_pData;
+ }
+ nStride = pImage->m_nStride;
+ nStride2 = nStride << 1;
+ nLineBytes = ((GBW + 7) >> 3) - 1;
+ nBitsLeft = GBW - (nLineBytes << 3);
+ for (; m_loopIndex < GBH; m_loopIndex++) {
+ if (TPGDON) {
+ SLTP = pArithDecoder->DECODE(&gbContext[0x00e5]);
+ LTP = LTP ^ SLTP;
}
- 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;
}
- 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;
- }
+ 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 += nStride;
- if(pPause && m_loopIndex % 50 == 0 && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ 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);
+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 {
- 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;
- }
+ 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(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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;
+ }
}
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ if (pPause && pPause->NeedToPauseNow()) {
+ m_loopIndex++;
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ }
+ }
+ m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
+ return FXCODEC_STATUS_DECODE_FINISH;
}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(CJBig2_Image *pImage, CJBig2_ArithDecoder *pArithDecoder, JBig2ArithCtx *gbContext, IFX_Pause* pPause)
-{
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- FX_DWORD line1;
- uint8_t *pLine1, cVal;
- int32_t nStride, k;
- int32_t nLineBytes, nBitsLeft, cc;
- if (!m_pLine) {
- m_pLine = pImage->m_pData;
+FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template3_opt3(
+ CJBig2_Image* pImage,
+ CJBig2_ArithDecoder* pArithDecoder,
+ JBig2ArithCtx* gbContext,
+ IFX_Pause* pPause) {
+ FX_BOOL SLTP, bVal;
+ FX_DWORD CONTEXT;
+ FX_DWORD line1;
+ uint8_t *pLine1, cVal;
+ int32_t nStride, k;
+ int32_t nLineBytes, nBitsLeft, cc;
+ if (!m_pLine) {
+ m_pLine = pImage->m_pData;
+ }
+ nStride = pImage->m_nStride;
+ nLineBytes = ((GBW + 7) >> 3) - 1;
+ nBitsLeft = GBW - (nLineBytes << 3);
+ for (; m_loopIndex < GBH; m_loopIndex++) {
+ if (TPGDON) {
+ SLTP = pArithDecoder->DECODE(&gbContext[0x0195]);
+ LTP = LTP ^ SLTP;
}
- 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;
}
- 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;
- }
+ 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;
}
- m_pLine += nStride;
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ 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_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ 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);
+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 {
- 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;
- }
+ CONTEXT = line2;
+ CONTEXT |= pImage->getPixel(w + GBAT[0], m_loopIndex + GBAT[1]) << 4;
+ CONTEXT |= line1 << 5;
+ bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
}
- if(pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
+ if (bVal) {
+ pImage->setPixel(w, m_loopIndex, bVal);
}
+ line1 =
+ ((line1 << 1) | pImage->getPixel(w + 2, m_loopIndex - 1)) & 0x1f;
+ line2 = ((line2 << 1) | bVal) & 0x0f;
+ }
}
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
+ 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;
}
« no previous file with comments | « core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h ('k') | core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h » ('j') | fpdfsdk/src/javascript/Consts.cpp » ('J')

Powered by Google App Engine
This is Rietveld 408576698