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Unified Diff: core/src/fxcodec/jbig2/JBig2_SddProc.cpp

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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Index: core/src/fxcodec/jbig2/JBig2_SddProc.cpp
diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp
deleted file mode 100644
index faa70621ab66fa80dac478905aa8cea92227e77d..0000000000000000000000000000000000000000
--- a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp
+++ /dev/null
@@ -1,624 +0,0 @@
-// Copyright 2015 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/src/fxcodec/jbig2/JBig2_SddProc.h"
-
-#include <memory>
-#include <vector>
-
-#include "core/include/fxcrt/fx_basic.h"
-#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h"
-#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h"
-#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h"
-#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h"
-#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h"
-#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h"
-#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h"
-#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h"
-
-CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
- CJBig2_ArithDecoder* pArithDecoder,
- std::vector<JBig2ArithCtx>* gbContext,
- std::vector<JBig2ArithCtx>* grContext) {
- CJBig2_Image** SDNEWSYMS;
- FX_DWORD HCHEIGHT, NSYMSDECODED;
- int32_t HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH;
- int32_t DW;
- CJBig2_Image* BS;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL* EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- FX_DWORD nTmp;
- FX_DWORD SBNUMSYMS;
- uint8_t SBSYMCODELEN;
- int32_t RDXI, RDYI;
- CJBig2_Image** SBSYMS;
- std::unique_ptr<CJBig2_ArithIaidDecoder> IAID;
- std::unique_ptr<CJBig2_SymbolDict> pDict;
- std::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder);
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder);
- nTmp = 0;
- while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) {
- nTmp++;
- }
- IAID.reset(new CJBig2_ArithIaidDecoder((uint8_t)nTmp));
- SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS);
- FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
-
- HCHEIGHT = 0;
- NSYMSDECODED = 0;
- while (NSYMSDECODED < SDNUMNEWSYMS) {
- BS = nullptr;
- IADH->decode(pArithDecoder, &HCDH);
- HCHEIGHT = HCHEIGHT + HCDH;
- if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) {
- goto failed;
- }
- SYMWIDTH = 0;
- TOTWIDTH = 0;
- for (;;) {
- if (!IADW->decode(pArithDecoder, &DW))
- break;
-
- if (NSYMSDECODED >= SDNUMNEWSYMS)
- goto failed;
-
- SYMWIDTH = SYMWIDTH + DW;
- if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE)
- goto failed;
-
- if (HCHEIGHT == 0 || SYMWIDTH == 0) {
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- SDNEWSYMS[NSYMSDECODED] = nullptr;
- NSYMSDECODED = NSYMSDECODED + 1;
- continue;
- }
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- if (SDREFAGG == 0) {
- std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
- pGRD->MMR = 0;
- pGRD->GBW = SYMWIDTH;
- pGRD->GBH = HCHEIGHT;
- pGRD->GBTEMPLATE = SDTEMPLATE;
- pGRD->TPGDON = 0;
- pGRD->USESKIP = 0;
- pGRD->GBAT[0] = SDAT[0];
- pGRD->GBAT[1] = SDAT[1];
- pGRD->GBAT[2] = SDAT[2];
- pGRD->GBAT[3] = SDAT[3];
- pGRD->GBAT[4] = SDAT[4];
- pGRD->GBAT[5] = SDAT[5];
- pGRD->GBAT[6] = SDAT[6];
- pGRD->GBAT[7] = SDAT[7];
- BS = pGRD->decode_Arith(pArithDecoder, gbContext->data());
- if (!BS) {
- goto failed;
- }
- } else {
- IAAI->decode(pArithDecoder, (int*)&REFAGGNINST);
- if (REFAGGNINST > 1) {
- std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
- pDecoder->SBHUFF = SDHUFF;
- pDecoder->SBREFINE = 1;
- pDecoder->SBW = SYMWIDTH;
- pDecoder->SBH = HCHEIGHT;
- pDecoder->SBNUMINSTANCES = REFAGGNINST;
- pDecoder->SBSTRIPS = 1;
- pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- SBNUMSYMS = pDecoder->SBNUMSYMS;
- nTmp = 0;
- while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp++;
- }
- SBSYMCODELEN = (uint8_t)nTmp;
- pDecoder->SBSYMCODELEN = SBSYMCODELEN;
- SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
- NSYMSDECODED * sizeof(CJBig2_Image*));
- pDecoder->SBSYMS = SBSYMS;
- pDecoder->SBDEFPIXEL = 0;
- pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR;
- pDecoder->TRANSPOSED = 0;
- pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
- pDecoder->SBDSOFFSET = 0;
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable(
- HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6),
- HuffmanTable_HTOOB_B6));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable(
- HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8),
- HuffmanTable_HTOOB_B8));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable(
- HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11),
- HuffmanTable_HTOOB_B11));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
- new CJBig2_HuffmanTable(HuffmanTable_B1,
- FX_ArraySize(HuffmanTable_B1),
- HuffmanTable_HTOOB_B1));
- pDecoder->SBHUFFFS = SBHUFFFS.get();
- pDecoder->SBHUFFDS = SBHUFFDS.get();
- pDecoder->SBHUFFDT = SBHUFFDT.get();
- pDecoder->SBHUFFRDW = SBHUFFRDW.get();
- pDecoder->SBHUFFRDH = SBHUFFRDH.get();
- pDecoder->SBHUFFRDX = SBHUFFRDX.get();
- pDecoder->SBHUFFRDY = SBHUFFRDY.get();
- pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get();
- pDecoder->SBRTEMPLATE = SDRTEMPLATE;
- pDecoder->SBRAT[0] = SDRAT[0];
- pDecoder->SBRAT[1] = SDRAT[1];
- pDecoder->SBRAT[2] = SDRAT[2];
- pDecoder->SBRAT[3] = SDRAT[3];
- JBig2IntDecoderState ids;
- ids.IADT = IADT.get();
- ids.IAFS = IAFS.get();
- ids.IADS = IADS.get();
- ids.IAIT = IAIT.get();
- ids.IARI = IARI.get();
- ids.IARDW = IARDW.get();
- ids.IARDH = IARDH.get();
- ids.IARDX = IARDX.get();
- ids.IARDY = IARDY.get();
- ids.IAID = IAID.get();
- BS = pDecoder->decode_Arith(pArithDecoder, grContext->data(), &ids);
- if (!BS) {
- FX_Free(SBSYMS);
- goto failed;
- }
- FX_Free(SBSYMS);
- } else if (REFAGGNINST == 1) {
- SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- FX_DWORD IDI;
- IAID->decode(pArithDecoder, &IDI);
- IARDX->decode(pArithDecoder, &RDXI);
- IARDY->decode(pArithDecoder, &RDYI);
- if (IDI >= SBNUMSYMS) {
- goto failed;
- }
- SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
- NSYMSDECODED * sizeof(CJBig2_Image*));
- if (!SBSYMS[IDI]) {
- FX_Free(SBSYMS);
- goto failed;
- }
- std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
- pGRRD->GRW = SYMWIDTH;
- pGRRD->GRH = HCHEIGHT;
- pGRRD->GRTEMPLATE = SDRTEMPLATE;
- pGRRD->GRREFERENCE = SBSYMS[IDI];
- pGRRD->GRREFERENCEDX = RDXI;
- pGRRD->GRREFERENCEDY = RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SDRAT[0];
- pGRRD->GRAT[1] = SDRAT[1];
- pGRRD->GRAT[2] = SDRAT[2];
- pGRRD->GRAT[3] = SDRAT[3];
- BS = pGRRD->decode(pArithDecoder, grContext->data());
- if (!BS) {
- FX_Free(SBSYMS);
- goto failed;
- }
- FX_Free(SBSYMS);
- }
- }
- SDNEWSYMS[NSYMSDECODED] = BS;
- BS = nullptr;
- NSYMSDECODED = NSYMSDECODED + 1;
- }
- }
- EXINDEX = 0;
- CUREXFLAG = 0;
- EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS);
- while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
- IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH);
- if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- FX_Free(EXFLAGS);
- goto failed;
- }
- if (EXRUNLENGTH != 0) {
- for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
- }
- EXINDEX = EXINDEX + EXRUNLENGTH;
- CUREXFLAG = !CUREXFLAG;
- }
- pDict.reset(new CJBig2_SymbolDict);
- I = J = 0;
- for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
- if (EXFLAGS[I] && J < SDNUMEXSYMS) {
- if (I < SDNUMINSYMS) {
- pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr);
- } else {
- pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]);
- }
- ++J;
- } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) {
- delete SDNEWSYMS[I - SDNUMINSYMS];
- }
- }
- FX_Free(EXFLAGS);
- FX_Free(SDNEWSYMS);
- return pDict.release();
-failed:
- for (I = 0; I < NSYMSDECODED; I++) {
- if (SDNEWSYMS[I]) {
- delete SDNEWSYMS[I];
- SDNEWSYMS[I] = nullptr;
- }
- }
- FX_Free(SDNEWSYMS);
- return nullptr;
-}
-
-CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
- CJBig2_BitStream* pStream,
- std::vector<JBig2ArithCtx>* gbContext,
- std::vector<JBig2ArithCtx>* grContext,
- IFX_Pause* pPause) {
- CJBig2_Image** SDNEWSYMS;
- FX_DWORD* SDNEWSYMWIDTHS;
- FX_DWORD HCHEIGHT, NSYMSDECODED;
- int32_t HCDH;
- FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM;
- int32_t DW;
- CJBig2_Image* BS, *BHC;
- FX_DWORD I, J, REFAGGNINST;
- FX_BOOL* EXFLAGS;
- FX_DWORD EXINDEX;
- FX_BOOL CUREXFLAG;
- FX_DWORD EXRUNLENGTH;
- int32_t nVal, nBits;
- FX_DWORD nTmp;
- FX_DWORD SBNUMSYMS;
- uint8_t SBSYMCODELEN;
- JBig2HuffmanCode* SBSYMCODES;
- FX_DWORD IDI;
- int32_t RDXI, RDYI;
- FX_DWORD BMSIZE;
- FX_DWORD stride;
- CJBig2_Image** SBSYMS;
- std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
- new CJBig2_HuffmanDecoder(pStream));
- SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS);
- FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
- SDNEWSYMWIDTHS = nullptr;
- BHC = nullptr;
- if (SDREFAGG == 0) {
- SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS);
- FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD));
- }
- std::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict());
- std::unique_ptr<CJBig2_HuffmanTable> pTable;
-
- HCHEIGHT = 0;
- NSYMSDECODED = 0;
- BS = nullptr;
- while (NSYMSDECODED < SDNUMNEWSYMS) {
- if (pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) {
- goto failed;
- }
- HCHEIGHT = HCHEIGHT + HCDH;
- if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) {
- goto failed;
- }
- SYMWIDTH = 0;
- TOTWIDTH = 0;
- HCFIRSTSYM = NSYMSDECODED;
- for (;;) {
- nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW);
- if (nVal == JBIG2_OOB) {
- break;
- } else if (nVal != 0) {
- goto failed;
- } else {
- if (NSYMSDECODED >= SDNUMNEWSYMS) {
- goto failed;
- }
- SYMWIDTH = SYMWIDTH + DW;
- if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) {
- goto failed;
- } else if (HCHEIGHT == 0 || SYMWIDTH == 0) {
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- SDNEWSYMS[NSYMSDECODED] = nullptr;
- NSYMSDECODED = NSYMSDECODED + 1;
- continue;
- }
- TOTWIDTH = TOTWIDTH + SYMWIDTH;
- }
- if (SDREFAGG == 1) {
- if (pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) !=
- 0) {
- goto failed;
- }
- BS = nullptr;
- if (REFAGGNINST > 1) {
- std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
- pDecoder->SBHUFF = SDHUFF;
- pDecoder->SBREFINE = 1;
- pDecoder->SBW = SYMWIDTH;
- pDecoder->SBH = HCHEIGHT;
- pDecoder->SBNUMINSTANCES = REFAGGNINST;
- pDecoder->SBSTRIPS = 1;
- pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
- SBNUMSYMS = pDecoder->SBNUMSYMS;
- SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS);
- nTmp = 1;
- while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp++;
- }
- for (I = 0; I < SBNUMSYMS; I++) {
- SBSYMCODES[I].codelen = nTmp;
- SBSYMCODES[I].code = I;
- }
- pDecoder->SBSYMCODES = SBSYMCODES;
- SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
- NSYMSDECODED * sizeof(CJBig2_Image*));
- pDecoder->SBSYMS = SBSYMS;
- pDecoder->SBDEFPIXEL = 0;
- pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR;
- pDecoder->TRANSPOSED = 0;
- pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
- pDecoder->SBDSOFFSET = 0;
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable(
- HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6),
- HuffmanTable_HTOOB_B6));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable(
- HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8),
- HuffmanTable_HTOOB_B8));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable(
- HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11),
- HuffmanTable_HTOOB_B11));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
- new CJBig2_HuffmanTable(HuffmanTable_B1,
- FX_ArraySize(HuffmanTable_B1),
- HuffmanTable_HTOOB_B1));
- pDecoder->SBHUFFFS = SBHUFFFS.get();
- pDecoder->SBHUFFDS = SBHUFFDS.get();
- pDecoder->SBHUFFDT = SBHUFFDT.get();
- pDecoder->SBHUFFRDW = SBHUFFRDW.get();
- pDecoder->SBHUFFRDH = SBHUFFRDH.get();
- pDecoder->SBHUFFRDX = SBHUFFRDX.get();
- pDecoder->SBHUFFRDY = SBHUFFRDY.get();
- pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get();
- pDecoder->SBRTEMPLATE = SDRTEMPLATE;
- pDecoder->SBRAT[0] = SDRAT[0];
- pDecoder->SBRAT[1] = SDRAT[1];
- pDecoder->SBRAT[2] = SDRAT[2];
- pDecoder->SBRAT[3] = SDRAT[3];
- BS = pDecoder->decode_Huffman(pStream, grContext->data());
- if (!BS) {
- FX_Free(SBSYMCODES);
- FX_Free(SBSYMS);
- goto failed;
- }
- FX_Free(SBSYMCODES);
- FX_Free(SBSYMS);
- } else if (REFAGGNINST == 1) {
- SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS;
- nTmp = 1;
- while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
- nTmp++;
- }
- SBSYMCODELEN = (uint8_t)nTmp;
- SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS);
- for (I = 0; I < SBNUMSYMS; I++) {
- SBSYMCODES[I].codelen = SBSYMCODELEN;
- SBSYMCODES[I].code = I;
- }
- nVal = 0;
- nBits = 0;
- for (;;) {
- if (pStream->read1Bit(&nTmp) != 0) {
- FX_Free(SBSYMCODES);
- goto failed;
- }
- nVal = (nVal << 1) | nTmp;
- for (IDI = 0; IDI < SBNUMSYMS; IDI++) {
- if ((nVal == SBSYMCODES[IDI].code) &&
- (nBits == SBSYMCODES[IDI].codelen)) {
- break;
- }
- }
- if (IDI < SBNUMSYMS) {
- break;
- }
- }
- FX_Free(SBSYMCODES);
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
- new CJBig2_HuffmanTable(HuffmanTable_B15,
- FX_ArraySize(HuffmanTable_B15),
- HuffmanTable_HTOOB_B15));
- std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
- new CJBig2_HuffmanTable(HuffmanTable_B1,
- FX_ArraySize(HuffmanTable_B1),
- HuffmanTable_HTOOB_B1));
- if ((pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDXI) != 0) ||
- (pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDYI) != 0) ||
- (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE.get(), &nVal) != 0)) {
- goto failed;
- }
- pStream->alignByte();
- nTmp = pStream->getOffset();
- SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
- JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
- JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
- NSYMSDECODED * sizeof(CJBig2_Image*));
- std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
- pGRRD->GRW = SYMWIDTH;
- pGRRD->GRH = HCHEIGHT;
- pGRRD->GRTEMPLATE = SDRTEMPLATE;
- pGRRD->GRREFERENCE = SBSYMS[IDI];
- pGRRD->GRREFERENCEDX = RDXI;
- pGRRD->GRREFERENCEDY = RDYI;
- pGRRD->TPGRON = 0;
- pGRRD->GRAT[0] = SDRAT[0];
- pGRRD->GRAT[1] = SDRAT[1];
- pGRRD->GRAT[2] = SDRAT[2];
- pGRRD->GRAT[3] = SDRAT[3];
- std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
- new CJBig2_ArithDecoder(pStream));
- BS = pGRRD->decode(pArithDecoder.get(), grContext->data());
- if (!BS) {
- FX_Free(SBSYMS);
- goto failed;
- }
- pStream->alignByte();
- pStream->offset(2);
- if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) {
- delete BS;
- FX_Free(SBSYMS);
- goto failed;
- }
- FX_Free(SBSYMS);
- }
- SDNEWSYMS[NSYMSDECODED] = BS;
- }
- if (SDREFAGG == 0) {
- SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH;
- }
- NSYMSDECODED = NSYMSDECODED + 1;
- }
- if (SDREFAGG == 0) {
- if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) {
- goto failed;
- }
- pStream->alignByte();
- if (BMSIZE == 0) {
- stride = (TOTWIDTH + 7) >> 3;
- if (pStream->getByteLeft() >= stride * HCHEIGHT) {
- BHC = new CJBig2_Image(TOTWIDTH, HCHEIGHT);
- for (I = 0; I < HCHEIGHT; I++) {
- JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride,
- pStream->getPointer(), stride);
- pStream->offset(stride);
- }
- } else {
- goto failed;
- }
- } else {
- std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
- pGRD->MMR = 1;
- pGRD->GBW = TOTWIDTH;
- pGRD->GBH = HCHEIGHT;
- FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream, nullptr);
- while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
- pGRD->Continue_decode(pPause);
- }
- pStream->alignByte();
- }
- nTmp = 0;
- if (!BHC) {
- continue;
- }
- for (I = HCFIRSTSYM; I < NSYMSDECODED; I++) {
- SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT);
- nTmp += SDNEWSYMWIDTHS[I];
- }
- delete BHC;
- BHC = nullptr;
- }
- }
- EXINDEX = 0;
- CUREXFLAG = 0;
- pTable.reset(new CJBig2_HuffmanTable(
- HuffmanTable_B1, FX_ArraySize(HuffmanTable_B1), HuffmanTable_HTOOB_B1));
- EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS);
- while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
- if (pHuffmanDecoder->decodeAValue(pTable.get(), (int*)&EXRUNLENGTH) != 0) {
- FX_Free(EXFLAGS);
- goto failed;
- }
- if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
- FX_Free(EXFLAGS);
- goto failed;
- }
- if (EXRUNLENGTH != 0) {
- for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) {
- EXFLAGS[I] = CUREXFLAG;
- }
- }
- EXINDEX = EXINDEX + EXRUNLENGTH;
- CUREXFLAG = !CUREXFLAG;
- }
- I = J = 0;
- for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
- if (EXFLAGS[I] && J < SDNUMEXSYMS) {
- if (I < SDNUMINSYMS) {
- pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr);
- } else {
- pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]);
- }
- ++J;
- } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) {
- delete SDNEWSYMS[I - SDNUMINSYMS];
- }
- }
- FX_Free(EXFLAGS);
- FX_Free(SDNEWSYMS);
- if (SDREFAGG == 0) {
- FX_Free(SDNEWSYMWIDTHS);
- }
- return pDict.release();
-failed:
- for (I = 0; I < NSYMSDECODED; I++) {
- delete SDNEWSYMS[I];
- }
- FX_Free(SDNEWSYMS);
- if (SDREFAGG == 0) {
- FX_Free(SDNEWSYMWIDTHS);
- }
- return nullptr;
-}
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