From 630a28442364f03c1d3d9b48873da42755e1fddf Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Thu, 24 Sep 2015 01:09:57 -0700 Subject: Split up JBig2_GeneralDecoder.cpp. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1359233002 . --- core/src/fxcodec/jbig2/JBig2_SddProc.cpp | 651 +++++++++++++++++++++++++++++++ 1 file changed, 651 insertions(+) create mode 100644 core/src/fxcodec/jbig2/JBig2_SddProc.cpp (limited to '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 new file mode 100644 index 0000000000..ae5635b462 --- /dev/null +++ b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp @@ -0,0 +1,651 @@ +// 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 "JBig2_SddProc.h" + +#include "../../../../third_party/base/nonstd_unique_ptr.h" +#include "../../../include/fxcrt/fx_basic.h" +#include "JBig2_ArithIntDecoder.h" +#include "JBig2_GrdProc.h" +#include "JBig2_GrrdProc.h" +#include "JBig2_HuffmanDecoder.h" +#include "JBig2_HuffmanTable.h" +#include "JBig2_SymbolDict.h" +#include "JBig2_TrdProc.h" + +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; + nonstd::unique_ptr IAID; + nonstd::unique_ptr pDict; + nonstd::unique_ptr IADH(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IADW(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IAAI(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IARDX(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IARDY(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IAEX(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IADT(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IAFS(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IADS(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IAIT(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IARI(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr IARDW(new CJBig2_ArithIntDecoder); + nonstd::unique_ptr 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; + if (IADH->decode(pArithDecoder, &HCDH) == -1) { + goto failed; + } + HCHEIGHT = HCHEIGHT + HCDH; + if ((int)HCHEIGHT < 0 || (int)HCHEIGHT > JBIG2_MAX_IMAGE_SIZE) { + goto failed; + } + SYMWIDTH = 0; + TOTWIDTH = 0; + for (;;) { + nVal = IADW->decode(pArithDecoder, &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 == 0) { + nonstd::unique_ptr 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); + if (!BS) { + goto failed; + } + } else { + if (IAAI->decode(pArithDecoder, (int*)&REFAGGNINST) == -1) { + goto failed; + } + if (REFAGGNINST > 1) { + nonstd::unique_ptr 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; + nonstd::unique_ptr SBHUFFFS( + new CJBig2_HuffmanTable(HuffmanTable_B6, + FX_ArraySize(HuffmanTable_B6), + HuffmanTable_HTOOB_B6)); + nonstd::unique_ptr SBHUFFDS( + new CJBig2_HuffmanTable(HuffmanTable_B8, + FX_ArraySize(HuffmanTable_B8), + HuffmanTable_HTOOB_B8)); + nonstd::unique_ptr SBHUFFDT( + new CJBig2_HuffmanTable(HuffmanTable_B11, + FX_ArraySize(HuffmanTable_B11), + HuffmanTable_HTOOB_B11)); + nonstd::unique_ptr SBHUFFRDW( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDH( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDX( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDY( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr 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, &ids); + if (!BS) { + FX_Free(SBSYMS); + goto failed; + } + FX_Free(SBSYMS); + } else if (REFAGGNINST == 1) { + SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED; + if (IAID->decode(pArithDecoder, (int*)&IDI) == -1) { + goto failed; + } + if ((IARDX->decode(pArithDecoder, &RDXI) == -1) || + (IARDY->decode(pArithDecoder, &RDYI) == -1)) { + goto failed; + } + 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; + } + nonstd::unique_ptr 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); + 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) { + if (IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) { + 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; + } + pDict.reset(new CJBig2_SymbolDict); + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = FX_Alloc(CJBig2_Image*, SDNUMEXSYMS); + I = J = 0; + for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if (EXFLAGS[I] && J < SDNUMEXSYMS) { + if (I < SDNUMINSYMS) { + pDict->SDEXSYMS[J] = new 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; + } + 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, + 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; + nonstd::unique_ptr 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)); + } + nonstd::unique_ptr pDict(new CJBig2_SymbolDict()); + nonstd::unique_ptr 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) { + nonstd::unique_ptr 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; + nonstd::unique_ptr SBHUFFFS( + new CJBig2_HuffmanTable(HuffmanTable_B6, + FX_ArraySize(HuffmanTable_B6), + HuffmanTable_HTOOB_B6)); + nonstd::unique_ptr SBHUFFDS( + new CJBig2_HuffmanTable(HuffmanTable_B8, + FX_ArraySize(HuffmanTable_B8), + HuffmanTable_HTOOB_B8)); + nonstd::unique_ptr SBHUFFDT( + new CJBig2_HuffmanTable(HuffmanTable_B11, + FX_ArraySize(HuffmanTable_B11), + HuffmanTable_HTOOB_B11)); + nonstd::unique_ptr SBHUFFRDW( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDH( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDX( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr SBHUFFRDY( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr 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); + 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); + nonstd::unique_ptr SBHUFFRDX( + new CJBig2_HuffmanTable(HuffmanTable_B15, + FX_ArraySize(HuffmanTable_B15), + HuffmanTable_HTOOB_B15)); + nonstd::unique_ptr 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*)); + nonstd::unique_ptr 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]; + nonstd::unique_ptr pArithDecoder( + new CJBig2_ArithDecoder(pStream)); + BS = pGRRD->decode(pArithDecoder.get(), grContext); + 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 { + nonstd::unique_ptr 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; + } + pDict->SDNUMEXSYMS = SDNUMEXSYMS; + pDict->SDEXSYMS = FX_Alloc(CJBig2_Image*, SDNUMEXSYMS); + I = J = 0; + for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) { + if (EXFLAGS[I] && J < SDNUMEXSYMS) { + if (I < SDNUMINSYMS) { + pDict->SDEXSYMS[J] = new 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; + } + 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; +} -- cgit v1.2.3