diff options
Diffstat (limited to 'core/src/fxcodec/jbig2/JBig2_SddProc.cpp')
-rw-r--r-- | core/src/fxcodec/jbig2/JBig2_SddProc.cpp | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp deleted file mode 100644 index faa70621ab..0000000000 --- a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp +++ /dev/null @@ -1,624 +0,0 @@ -// Copyright 2015 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/src/fxcodec/jbig2/JBig2_SddProc.h" - -#include <memory> -#include <vector> - -#include "core/include/fxcrt/fx_basic.h" -#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_GrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable.h" -#include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h" -#include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h" -#include "core/src/fxcodec/jbig2/JBig2_TrdProc.h" - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith( - CJBig2_ArithDecoder* pArithDecoder, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH; - int32_t DW; - CJBig2_Image* BS; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - int32_t RDXI, RDYI; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_ArithIaidDecoder> IAID; - std::unique_ptr<CJBig2_SymbolDict> pDict; - std::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder); - std::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder); - nTmp = 0; - while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) { - nTmp++; - } - IAID.reset(new CJBig2_ArithIaidDecoder((uint8_t)nTmp)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - - HCHEIGHT = 0; - NSYMSDECODED = 0; - while (NSYMSDECODED < SDNUMNEWSYMS) { - BS = nullptr; - IADH->decode(pArithDecoder, &HCDH); - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - for (;;) { - if (!IADW->decode(pArithDecoder, &DW)) - break; - - if (NSYMSDECODED >= SDNUMNEWSYMS) - goto failed; - - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) - goto failed; - - if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - if (SDREFAGG == 0) { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = 0; - pGRD->GBW = SYMWIDTH; - pGRD->GBH = HCHEIGHT; - pGRD->GBTEMPLATE = SDTEMPLATE; - pGRD->TPGDON = 0; - pGRD->USESKIP = 0; - pGRD->GBAT[0] = SDAT[0]; - pGRD->GBAT[1] = SDAT[1]; - pGRD->GBAT[2] = SDAT[2]; - pGRD->GBAT[3] = SDAT[3]; - pGRD->GBAT[4] = SDAT[4]; - pGRD->GBAT[5] = SDAT[5]; - pGRD->GBAT[6] = SDAT[6]; - pGRD->GBAT[7] = SDAT[7]; - BS = pGRD->decode_Arith(pArithDecoder, gbContext->data()); - if (!BS) { - goto failed; - } - } else { - IAAI->decode(pArithDecoder, (int*)&REFAGGNINST); - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - nTmp = 0; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - SBSYMCODELEN = (uint8_t)nTmp; - pDecoder->SBSYMCODELEN = SBSYMCODELEN; - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - JBig2IntDecoderState ids; - ids.IADT = IADT.get(); - ids.IAFS = IAFS.get(); - ids.IADS = IADS.get(); - ids.IAIT = IAIT.get(); - ids.IARI = IARI.get(); - ids.IARDW = IARDW.get(); - ids.IARDH = IARDH.get(); - ids.IARDX = IARDX.get(); - ids.IARDY = IARDY.get(); - ids.IAID = IAID.get(); - BS = pDecoder->decode_Arith(pArithDecoder, grContext->data(), &ids); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - FX_DWORD IDI; - IAID->decode(pArithDecoder, &IDI); - IARDX->decode(pArithDecoder, &RDXI); - IARDY->decode(pArithDecoder, &RDYI); - if (IDI >= SBNUMSYMS) { - goto failed; - } - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - if (!SBSYMS[IDI]) { - FX_Free(SBSYMS); - goto failed; - } - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - BS = pGRRD->decode(pArithDecoder, grContext->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - } - SDNEWSYMS[NSYMSDECODED] = BS; - BS = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH); - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - pDict.reset(new CJBig2_SymbolDict); - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - if (SDNEWSYMS[I]) { - delete SDNEWSYMS[I]; - SDNEWSYMS[I] = nullptr; - } - } - FX_Free(SDNEWSYMS); - return nullptr; -} - -CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman( - CJBig2_BitStream* pStream, - std::vector<JBig2ArithCtx>* gbContext, - std::vector<JBig2ArithCtx>* grContext, - IFX_Pause* pPause) { - CJBig2_Image** SDNEWSYMS; - FX_DWORD* SDNEWSYMWIDTHS; - FX_DWORD HCHEIGHT, NSYMSDECODED; - int32_t HCDH; - FX_DWORD SYMWIDTH, TOTWIDTH, HCFIRSTSYM; - int32_t DW; - CJBig2_Image* BS, *BHC; - FX_DWORD I, J, REFAGGNINST; - FX_BOOL* EXFLAGS; - FX_DWORD EXINDEX; - FX_BOOL CUREXFLAG; - FX_DWORD EXRUNLENGTH; - int32_t nVal, nBits; - FX_DWORD nTmp; - FX_DWORD SBNUMSYMS; - uint8_t SBSYMCODELEN; - JBig2HuffmanCode* SBSYMCODES; - FX_DWORD IDI; - int32_t RDXI, RDYI; - FX_DWORD BMSIZE; - FX_DWORD stride; - CJBig2_Image** SBSYMS; - std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder( - new CJBig2_HuffmanDecoder(pStream)); - SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*)); - SDNEWSYMWIDTHS = nullptr; - BHC = nullptr; - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS); - FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD)); - } - std::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict()); - std::unique_ptr<CJBig2_HuffmanTable> pTable; - - HCHEIGHT = 0; - NSYMSDECODED = 0; - BS = nullptr; - while (NSYMSDECODED < SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(SDHUFFDH, &HCDH) != 0) { - goto failed; - } - HCHEIGHT = HCHEIGHT + HCDH; - if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } - SYMWIDTH = 0; - TOTWIDTH = 0; - HCFIRSTSYM = NSYMSDECODED; - for (;;) { - nVal = pHuffmanDecoder->decodeAValue(SDHUFFDW, &DW); - if (nVal == JBIG2_OOB) { - break; - } else if (nVal != 0) { - goto failed; - } else { - if (NSYMSDECODED >= SDNUMNEWSYMS) { - goto failed; - } - SYMWIDTH = SYMWIDTH + DW; - if ((int)SYMWIDTH < 0 || (int)SYMWIDTH > JBIG2_MAX_IMAGE_SIZE) { - goto failed; - } else if (HCHEIGHT == 0 || SYMWIDTH == 0) { - TOTWIDTH = TOTWIDTH + SYMWIDTH; - SDNEWSYMS[NSYMSDECODED] = nullptr; - NSYMSDECODED = NSYMSDECODED + 1; - continue; - } - TOTWIDTH = TOTWIDTH + SYMWIDTH; - } - if (SDREFAGG == 1) { - if (pHuffmanDecoder->decodeAValue(SDHUFFAGGINST, (int*)&REFAGGNINST) != - 0) { - goto failed; - } - BS = nullptr; - if (REFAGGNINST > 1) { - std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc()); - pDecoder->SBHUFF = SDHUFF; - pDecoder->SBREFINE = 1; - pDecoder->SBW = SYMWIDTH; - pDecoder->SBH = HCHEIGHT; - pDecoder->SBNUMINSTANCES = REFAGGNINST; - pDecoder->SBSTRIPS = 1; - pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; - SBNUMSYMS = pDecoder->SBNUMSYMS; - SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - for (I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = nTmp; - SBSYMCODES[I].code = I; - } - pDecoder->SBSYMCODES = SBSYMCODES; - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - pDecoder->SBSYMS = SBSYMS; - pDecoder->SBDEFPIXEL = 0; - pDecoder->SBCOMBOP = JBIG2_COMPOSE_OR; - pDecoder->TRANSPOSED = 0; - pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT; - pDecoder->SBDSOFFSET = 0; - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable( - HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6), - HuffmanTable_HTOOB_B6)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable( - HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8), - HuffmanTable_HTOOB_B8)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable( - HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11), - HuffmanTable_HTOOB_B11)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - pDecoder->SBHUFFFS = SBHUFFFS.get(); - pDecoder->SBHUFFDS = SBHUFFDS.get(); - pDecoder->SBHUFFDT = SBHUFFDT.get(); - pDecoder->SBHUFFRDW = SBHUFFRDW.get(); - pDecoder->SBHUFFRDH = SBHUFFRDH.get(); - pDecoder->SBHUFFRDX = SBHUFFRDX.get(); - pDecoder->SBHUFFRDY = SBHUFFRDY.get(); - pDecoder->SBHUFFRSIZE = SBHUFFRSIZE.get(); - pDecoder->SBRTEMPLATE = SDRTEMPLATE; - pDecoder->SBRAT[0] = SDRAT[0]; - pDecoder->SBRAT[1] = SDRAT[1]; - pDecoder->SBRAT[2] = SDRAT[2]; - pDecoder->SBRAT[3] = SDRAT[3]; - BS = pDecoder->decode_Huffman(pStream, grContext->data()); - if (!BS) { - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMCODES); - FX_Free(SBSYMS); - } else if (REFAGGNINST == 1) { - SBNUMSYMS = SDNUMINSYMS + SDNUMNEWSYMS; - nTmp = 1; - while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) { - nTmp++; - } - SBSYMCODELEN = (uint8_t)nTmp; - SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS); - for (I = 0; I < SBNUMSYMS; I++) { - SBSYMCODES[I].codelen = SBSYMCODELEN; - SBSYMCODES[I].code = I; - } - nVal = 0; - nBits = 0; - for (;;) { - if (pStream->read1Bit(&nTmp) != 0) { - FX_Free(SBSYMCODES); - goto failed; - } - nVal = (nVal << 1) | nTmp; - for (IDI = 0; IDI < SBNUMSYMS; IDI++) { - if ((nVal == SBSYMCODES[IDI].code) && - (nBits == SBSYMCODES[IDI].codelen)) { - break; - } - } - if (IDI < SBNUMSYMS) { - break; - } - } - FX_Free(SBSYMCODES); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX( - new CJBig2_HuffmanTable(HuffmanTable_B15, - FX_ArraySize(HuffmanTable_B15), - HuffmanTable_HTOOB_B15)); - std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE( - new CJBig2_HuffmanTable(HuffmanTable_B1, - FX_ArraySize(HuffmanTable_B1), - HuffmanTable_HTOOB_B1)); - if ((pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDXI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRDX.get(), &RDYI) != 0) || - (pHuffmanDecoder->decodeAValue(SBHUFFRSIZE.get(), &nVal) != 0)) { - goto failed; - } - pStream->alignByte(); - nTmp = pStream->getOffset(); - SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS); - JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*)); - JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS, - NSYMSDECODED * sizeof(CJBig2_Image*)); - std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc()); - pGRRD->GRW = SYMWIDTH; - pGRRD->GRH = HCHEIGHT; - pGRRD->GRTEMPLATE = SDRTEMPLATE; - pGRRD->GRREFERENCE = SBSYMS[IDI]; - pGRRD->GRREFERENCEDX = RDXI; - pGRRD->GRREFERENCEDY = RDYI; - pGRRD->TPGRON = 0; - pGRRD->GRAT[0] = SDRAT[0]; - pGRRD->GRAT[1] = SDRAT[1]; - pGRRD->GRAT[2] = SDRAT[2]; - pGRRD->GRAT[3] = SDRAT[3]; - std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder( - new CJBig2_ArithDecoder(pStream)); - BS = pGRRD->decode(pArithDecoder.get(), grContext->data()); - if (!BS) { - FX_Free(SBSYMS); - goto failed; - } - pStream->alignByte(); - pStream->offset(2); - if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) { - delete BS; - FX_Free(SBSYMS); - goto failed; - } - FX_Free(SBSYMS); - } - SDNEWSYMS[NSYMSDECODED] = BS; - } - if (SDREFAGG == 0) { - SDNEWSYMWIDTHS[NSYMSDECODED] = SYMWIDTH; - } - NSYMSDECODED = NSYMSDECODED + 1; - } - if (SDREFAGG == 0) { - if (pHuffmanDecoder->decodeAValue(SDHUFFBMSIZE, (int32_t*)&BMSIZE) != 0) { - goto failed; - } - pStream->alignByte(); - if (BMSIZE == 0) { - stride = (TOTWIDTH + 7) >> 3; - if (pStream->getByteLeft() >= stride * HCHEIGHT) { - BHC = new CJBig2_Image(TOTWIDTH, HCHEIGHT); - for (I = 0; I < HCHEIGHT; I++) { - JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride, - pStream->getPointer(), stride); - pStream->offset(stride); - } - } else { - goto failed; - } - } else { - std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); - pGRD->MMR = 1; - pGRD->GBW = TOTWIDTH; - pGRD->GBH = HCHEIGHT; - FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHC, pStream, nullptr); - while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { - pGRD->Continue_decode(pPause); - } - pStream->alignByte(); - } - nTmp = 0; - if (!BHC) { - continue; - } - for (I = HCFIRSTSYM; I < NSYMSDECODED; I++) { - SDNEWSYMS[I] = BHC->subImage(nTmp, 0, SDNEWSYMWIDTHS[I], HCHEIGHT); - nTmp += SDNEWSYMWIDTHS[I]; - } - delete BHC; - BHC = nullptr; - } - } - EXINDEX = 0; - CUREXFLAG = 0; - pTable.reset(new CJBig2_HuffmanTable( - HuffmanTable_B1, FX_ArraySize(HuffmanTable_B1), HuffmanTable_HTOOB_B1)); - EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS); - while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) { - if (pHuffmanDecoder->decodeAValue(pTable.get(), (int*)&EXRUNLENGTH) != 0) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) { - FX_Free(EXFLAGS); - goto failed; - } - if (EXRUNLENGTH != 0) { - for (I = EXINDEX; I < EXINDEX + EXRUNLENGTH; I++) { - EXFLAGS[I] = CUREXFLAG; - } - } - EXINDEX = EXINDEX + EXRUNLENGTH; - CUREXFLAG = !CUREXFLAG; - } - I = J = 0; - for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { - if (EXFLAGS[I] && J < SDNUMEXSYMS) { - if (I < SDNUMINSYMS) { - pDict->AddImage(SDINSYMS[I] ? new CJBig2_Image(*SDINSYMS[I]) : nullptr); - } else { - pDict->AddImage(SDNEWSYMS[I - SDNUMINSYMS]); - } - ++J; - } else if (!EXFLAGS[I] && I >= SDNUMINSYMS) { - delete SDNEWSYMS[I - SDNUMINSYMS]; - } - } - FX_Free(EXFLAGS); - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return pDict.release(); -failed: - for (I = 0; I < NSYMSDECODED; I++) { - delete SDNEWSYMS[I]; - } - FX_Free(SDNEWSYMS); - if (SDREFAGG == 0) { - FX_Free(SDNEWSYMWIDTHS); - } - return nullptr; -} |