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

Issue 1293393002: Remove a bunch of dead JBIG2 code. (Closed) Base URL: https://pdfium.googlesource.com/pdfium@master
Patch Set: nit Created 5 years, 4 months ago
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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 415d919f2570516e568452f9538cbe76ee1ed334..33b88bf2badfc43a6cee9911a9a4898369b54312 100644
--- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
@@ -1059,268 +1059,6 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt(
}
return GBREG;
}
-CJBig2_Image* CJBig2_GRDProc::decode_Arith_V2(
- CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* gbContext) {
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image* GBREG;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for (FX_DWORD h = 0; h < GBH; h++) {
- if (TPGDON) {
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if (LTP == 1) {
- GBREG->copyLine(h, h - 1);
- } else {
- switch (GBTEMPLATE) {
- case 0: {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- } break;
- case 1: {
- line1 = GBREG->getPixel(2, h - 2);
- line1 |= GBREG->getPixel(1, h - 2) << 1;
- line1 |= GBREG->getPixel(0, h - 2) << 2;
- line2 = GBREG->getPixel(2, h - 1);
- line2 |= GBREG->getPixel(1, h - 1) << 1;
- line2 |= GBREG->getPixel(0, h - 1) << 2;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 3, h - 2)) & 0x0f;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 3, h - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- } break;
- case 2: {
- line1 = GBREG->getPixel(1, h - 2);
- line1 |= GBREG->getPixel(0, h - 2) << 1;
- line2 = GBREG->getPixel(1, h - 1);
- line2 |= GBREG->getPixel(0, h - 1) << 1;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 2)) & 0x07;
- line2 = ((line2 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- } break;
- case 3: {
- line1 = GBREG->getPixel(1, h - 1);
- line1 |= GBREG->getPixel(0, h - 1) << 1;
- line2 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, h)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= line1 << 5;
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, h, bVal);
- }
- line1 = ((line1 << 1) | GBREG->getPixel(w + 2, h - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- } break;
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image* CJBig2_GRDProc::decode_Arith_V1(
- CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* gbContext) {
- FX_BOOL LTP, SLTP, bVal;
- FX_DWORD CONTEXT = 0;
- CJBig2_Image* GBREG;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for (FX_DWORD h = 0; h < GBH; h++) {
- if (TPGDON) {
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if (LTP == 1) {
- for (FX_DWORD w = 0; w < GBW; w++) {
- GBREG->setPixel(w, h, GBREG->getPixel(w, h - 1));
- }
- } else {
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, h)) {
- GBREG->setPixel(w, h, 0);
- } else {
- CONTEXT = 0;
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, h) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 9;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], h + GBAT[3]) << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], h + GBAT[5]) << 11;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 12;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 13;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 14;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], h + GBAT[7]) << 15;
- break;
- case 1:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 3;
- CONTEXT |= GBREG->getPixel(w + 2, h - 1) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w + 2, h - 2) << 9;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 10;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 11;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 12;
- break;
- case 2:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 2;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 3;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 4;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w + 1, h - 2) << 7;
- CONTEXT |= GBREG->getPixel(w, h - 2) << 8;
- CONTEXT |= GBREG->getPixel(w - 1, h - 2) << 9;
- break;
- case 3:
- CONTEXT |= GBREG->getPixel(w - 1, h);
- CONTEXT |= GBREG->getPixel(w - 2, h) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, h) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, h) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], h + GBAT[1]) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, h - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, h - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, h - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, h - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 3, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&gbContext[CONTEXT]);
- GBREG->setPixel(w, h, bVal);
- }
- }
- }
- }
- return GBREG;
-}
-CJBig2_Image* CJBig2_GRDProc::decode_MMR(CJBig2_BitStream* pStream) {
- int bitpos, i;
- CJBig2_Image* pImage;
- JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH));
- if (pImage->m_pData == NULL) {
- delete pImage;
- m_pModule->JBig2_Error(
- "Generic region decoding procedure: Create Image Failed with width = "
- "%d, height = %d\n",
- GBW, GBH);
- return NULL;
- }
- bitpos = (int)pStream->getBitPos();
- _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos,
- pImage->m_pData, GBW, GBH, pImage->m_nStride);
- pStream->setBitPos(bitpos);
- for (i = 0; (FX_DWORD)i < pImage->m_nStride * GBH; i++) {
- pImage->m_pData[i] = ~pImage->m_pData[i];
- }
- return pImage;
-}
CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder,
JBig2ArithCtx* grContext) {
if (GRW == 0 || GRH == 0) {
@@ -1832,176 +1570,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt(
}
return GRREG;
}
-CJBig2_Image* CJBig2_GRRDProc::decode_V1(CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* grContext) {
- FX_BOOL LTP, SLTP, bVal;
- FX_BOOL TPGRPIX, TPGRVAL;
- FX_DWORD CONTEXT;
- CJBig2_Image* GRREG;
- LTP = 0;
- JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
- GRREG->fill(0);
- for (FX_DWORD h = 0; h < GRH; h++) {
- if (TPGRON) {
- switch (GRTEMPLATE) {
- case 0:
- CONTEXT = 0x0010;
- break;
- case 1:
- CONTEXT = 0x0008;
- break;
- }
- SLTP = pArithDecoder->DECODE(&grContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if (LTP == 0) {
- for (FX_DWORD w = 0; w < GRW; w++) {
- CONTEXT = 0;
- switch (GRTEMPLATE) {
- case 0:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY + 1);
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1)
- << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1,
- h - GRREFERENCEDY + 1)
- << 2;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY)
- << 3;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY)
- << 4;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY)
- << 5;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY - 1)
- << 6;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1)
- << 7;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2],
- h - GRREFERENCEDY + GRAT[3])
- << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 9;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 11;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- break;
- case 1:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY + 1);
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY + 1)
- << 1;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX + 1, h - GRREFERENCEDY)
- << 2;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY)
- << 3;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX - 1, h - GRREFERENCEDY)
- << 4;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY - 1)
- << 5;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 6;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- }
- } else {
- for (FX_DWORD w = 0; w < GRW; w++) {
- bVal = GRREFERENCE->getPixel(w, h);
- if (TPGRON && (bVal == GRREFERENCE->getPixel(w - 1, h - 1)) &&
- (bVal == GRREFERENCE->getPixel(w, h - 1)) &&
- (bVal == GRREFERENCE->getPixel(w + 1, h - 1)) &&
- (bVal == GRREFERENCE->getPixel(w - 1, h)) &&
- (bVal == GRREFERENCE->getPixel(w + 1, h)) &&
- (bVal == GRREFERENCE->getPixel(w - 1, h + 1)) &&
- (bVal == GRREFERENCE->getPixel(w, h + 1)) &&
- (bVal == GRREFERENCE->getPixel(w + 1, h + 1))) {
- TPGRPIX = 1;
- TPGRVAL = bVal;
- } else {
- TPGRPIX = 0;
- }
- if (TPGRPIX) {
- GRREG->setPixel(w, h, TPGRVAL);
- } else {
- CONTEXT = 0;
- switch (GRTEMPLATE) {
- case 0:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX,
- h - GRREFERENCEDY + 1)
- << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1,
- h - GRREFERENCEDY + 1)
- << 2;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY)
- << 3;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY)
- << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1,
- h - GRREFERENCEDY)
- << 5;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY - 1)
- << 6;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX,
- h - GRREFERENCEDY - 1)
- << 7;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + GRAT[2],
- h - GRREFERENCEDY + GRAT[3])
- << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 9;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 10;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 11;
- CONTEXT |= GRREG->getPixel(w + GRAT[0], h + GRAT[1]) << 12;
- break;
- case 1:
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY + 1);
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX,
- h - GRREFERENCEDY + 1)
- << 1;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX + 1,
- h - GRREFERENCEDY)
- << 2;
- CONTEXT |=
- GRREFERENCE->getPixel(w - GRREFERENCEDX, h - GRREFERENCEDY)
- << 3;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX - 1,
- h - GRREFERENCEDY)
- << 4;
- CONTEXT |= GRREFERENCE->getPixel(w - GRREFERENCEDX,
- h - GRREFERENCEDY - 1)
- << 5;
- CONTEXT |= GRREG->getPixel(w - 1, h) << 6;
- CONTEXT |= GRREG->getPixel(w + 1, h - 1) << 7;
- CONTEXT |= GRREG->getPixel(w, h - 1) << 8;
- CONTEXT |= GRREG->getPixel(w - 1, h - 1) << 9;
- break;
- }
- bVal = pArithDecoder->DECODE(&grContext[CONTEXT]);
- GRREG->setPixel(w, h, bVal);
- }
- }
- }
- }
- return GRREG;
-}
+
CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
JBig2ArithCtx* grContext) {
int32_t STRIPT, FIRSTS;
@@ -3722,341 +3291,6 @@ FXCODEC_STATUS CJBig2_GRDProc::decode_Arith(IFX_Pause* pPause) {
}
return m_ProssiveStatus;
}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V2(
- CJBig2_Image** pImage,
- CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* gbContext,
- IFX_Pause* pPause) {
- if (GBW == 0 || GBH == 0) {
- *pImage = NULL;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
- }
- if (*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
- }
- if ((*pImage)->m_pData == NULL) {
- delete *pImage;
- *pImage = NULL;
- m_pModule->JBig2_Error(
- "Generic region decoding procedure: Create Image Failed with width = "
- "%d, height = %d\n",
- GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return FXCODEC_STATUS_ERROR;
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_DecodeType = 2;
- m_pPause = pPause;
- m_pImage = pImage;
- (*m_pImage)->fill(0);
- LTP = 0;
- m_loopIndex = 0;
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- return decode_Arith_V2(pPause);
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V2(IFX_Pause* pPause) {
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT;
- CJBig2_Image* GBREG = *m_pImage;
- FX_DWORD line1, line2, line3;
- LTP = 0;
- JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
- GBREG->fill(0);
- for (; m_loopIndex < GBH; m_loopIndex++) {
- if (TPGDON) {
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if (LTP == 1) {
- GBREG->copyLine(m_loopIndex, m_loopIndex - 1);
- } else {
- switch (GBTEMPLATE) {
- case 0: {
- line1 = GBREG->getPixel(1, m_loopIndex - 2);
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1;
- line2 = GBREG->getPixel(2, m_loopIndex - 1);
- line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1;
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 4;
- CONTEXT |= line2 << 5;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3])
- << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5])
- << 11;
- CONTEXT |= line1 << 12;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7])
- << 15;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 =
- ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 =
- ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x0f;
- }
- } break;
- case 1: {
- line1 = GBREG->getPixel(2, m_loopIndex - 2);
- line1 |= GBREG->getPixel(1, m_loopIndex - 2) << 1;
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 2;
- line2 = GBREG->getPixel(2, m_loopIndex - 1);
- line2 |= GBREG->getPixel(1, m_loopIndex - 1) << 1;
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 2;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 3;
- CONTEXT |= line2 << 4;
- CONTEXT |= line1 << 9;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 =
- ((line1 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 2)) & 0x0f;
- line2 =
- ((line2 << 1) | GBREG->getPixel(w + 3, m_loopIndex - 1)) & 0x1f;
- line3 = ((line3 << 1) | bVal) & 0x07;
- }
- } break;
- case 2: {
- line1 = GBREG->getPixel(1, m_loopIndex - 2);
- line1 |= GBREG->getPixel(0, m_loopIndex - 2) << 1;
- line2 = GBREG->getPixel(1, m_loopIndex - 1);
- line2 |= GBREG->getPixel(0, m_loopIndex - 1) << 1;
- line3 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 2;
- CONTEXT |= line2 << 3;
- CONTEXT |= line1 << 7;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 =
- ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 2)) & 0x07;
- line2 =
- ((line2 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x0f;
- line3 = ((line3 << 1) | bVal) & 0x03;
- }
- } break;
- case 3: {
- line1 = GBREG->getPixel(1, m_loopIndex - 1);
- line1 |= GBREG->getPixel(0, m_loopIndex - 1) << 1;
- line2 = 0;
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- bVal = 0;
- } else {
- CONTEXT = line2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 4;
- CONTEXT |= line1 << 5;
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- }
- if (bVal) {
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- line1 =
- ((line1 << 1) | GBREG->getPixel(w + 2, m_loopIndex - 1)) & 0x1f;
- line2 = ((line2 << 1) | bVal) & 0x0f;
- }
- } break;
- }
- }
- if (pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
-FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith_V1(
- CJBig2_Image** pImage,
- CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* gbContext,
- IFX_Pause* pPause) {
- if (GBW == 0 || GBH == 0) {
- *pImage = NULL;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
- }
- if (*pImage == NULL) {
- JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
- }
- if ((*pImage)->m_pData == NULL) {
- delete *pImage;
- *pImage = NULL;
- m_pModule->JBig2_Error(
- "Generic region decoding procedure: Create Image Failed with width = "
- "%d, height = %d\n",
- GBW, GBH);
- m_ProssiveStatus = FXCODEC_STATUS_ERROR;
- return FXCODEC_STATUS_ERROR;
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
- m_pPause = pPause;
- m_pImage = pImage;
- m_DecodeType = 3;
- (*m_pImage)->fill(0);
- LTP = 0;
- m_loopIndex = 0;
- m_pArithDecoder = pArithDecoder;
- m_gbContext = gbContext;
- return decode_Arith_V1(pPause);
-}
-FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_V1(IFX_Pause* pPause) {
- FX_BOOL SLTP, bVal;
- FX_DWORD CONTEXT = 0;
- CJBig2_Image* GBREG = (*m_pImage);
- for (; m_loopIndex < GBH; m_loopIndex++) {
- if (TPGDON) {
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT = 0x9b25;
- break;
- case 1:
- CONTEXT = 0x0795;
- break;
- case 2:
- CONTEXT = 0x00e5;
- break;
- case 3:
- CONTEXT = 0x0195;
- break;
- }
- SLTP = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- LTP = LTP ^ SLTP;
- }
- if (LTP == 1) {
- for (FX_DWORD w = 0; w < GBW; w++) {
- GBREG->setPixel(w, m_loopIndex, GBREG->getPixel(w, m_loopIndex - 1));
- }
- } else {
- for (FX_DWORD w = 0; w < GBW; w++) {
- if (USESKIP && SKIP->getPixel(w, m_loopIndex)) {
- GBREG->setPixel(w, m_loopIndex, 0);
- } else {
- CONTEXT = 0;
- switch (GBTEMPLATE) {
- case 0:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 4;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 9;
- CONTEXT |= GBREG->getPixel(w + GBAT[2], m_loopIndex + GBAT[3])
- << 10;
- CONTEXT |= GBREG->getPixel(w + GBAT[4], m_loopIndex + GBAT[5])
- << 11;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 12;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 13;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 14;
- CONTEXT |= GBREG->getPixel(w + GBAT[6], m_loopIndex + GBAT[7])
- << 15;
- break;
- case 1:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 3;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 1) << 4;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w + 2, m_loopIndex - 2) << 9;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 10;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 11;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 12;
- break;
- case 2:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 2;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 3;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 4;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 2) << 7;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 2) << 8;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 2) << 9;
- break;
- case 3:
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex);
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex) << 1;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex) << 2;
- CONTEXT |= GBREG->getPixel(w - 4, m_loopIndex) << 3;
- CONTEXT |= GBREG->getPixel(w + GBAT[0], m_loopIndex + GBAT[1])
- << 4;
- CONTEXT |= GBREG->getPixel(w + 1, m_loopIndex - 1) << 5;
- CONTEXT |= GBREG->getPixel(w, m_loopIndex - 1) << 6;
- CONTEXT |= GBREG->getPixel(w - 1, m_loopIndex - 1) << 7;
- CONTEXT |= GBREG->getPixel(w - 2, m_loopIndex - 1) << 8;
- CONTEXT |= GBREG->getPixel(w - 3, m_loopIndex - 1) << 9;
- break;
- }
- bVal = m_pArithDecoder->DECODE(&m_gbContext[CONTEXT]);
- GBREG->setPixel(w, m_loopIndex, bVal);
- }
- }
- }
- if (pPause && pPause->NeedToPauseNow()) {
- m_loopIndex++;
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_TOBECONTINUE;
- return FXCODEC_STATUS_DECODE_TOBECONTINUE;
- }
- }
- m_ProssiveStatus = FXCODEC_STATUS_DECODE_FINISH;
- return FXCODEC_STATUS_DECODE_FINISH;
-}
FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage,
CJBig2_BitStream* pStream,
IFX_Pause* pPause) {
@@ -4082,26 +3316,19 @@ FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage,
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) {
+ if (m_ProssiveStatus != FXCODEC_STATUS_DECODE_TOBECONTINUE)
+ return m_ProssiveStatus;
+
+ if (m_DecodeType != 1) {
+ m_ProssiveStatus = FXCODEC_STATUS_ERROR;
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;
+
+ return decode_Arith(pPause);
}
+
FXCODEC_STATUS CJBig2_GRDProc::decode_Arith_Template0_opt3(
CJBig2_Image* pImage,
CJBig2_ArithDecoder* pArithDecoder,
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