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Unified Diff: core/src/fxcodec/jbig2/JBig2_TrdProc.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_TrdProc.cpp
diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
deleted file mode 100644
index aa9ca598933b155f9dca320e77cc3f88ec44dcfe..0000000000000000000000000000000000000000
--- a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
+++ /dev/null
@@ -1,407 +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_TrdProc.h"
-
-#include <memory>
-
-#include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h"
-#include "core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h"
-#include "core/src/fxcodec/jbig2/JBig2_GrrdProc.h"
-#include "core/src/fxcodec/jbig2/JBig2_HuffmanDecoder.h"
-
-CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
- JBig2ArithCtx* grContext) {
- int32_t STRIPT, FIRSTS;
- FX_DWORD NINSTANCES;
- int32_t DT, DFS, CURS;
- int32_t SI, TI;
- 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;
- FX_BOOL bFirst;
- FX_DWORD nTmp;
- int32_t nVal, nBits;
- std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
- new CJBig2_HuffmanDecoder(pStream));
- std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
- SBREG->fill(SBDEFPIXEL);
- if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0)
- return nullptr;
-
- STRIPT *= SBSTRIPS;
- STRIPT = -STRIPT;
- FIRSTS = 0;
- NINSTANCES = 0;
- while (NINSTANCES < SBNUMINSTANCES) {
- if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &DT) != 0)
- return nullptr;
-
- DT *= SBSTRIPS;
- STRIPT = STRIPT + DT;
- bFirst = TRUE;
- for (;;) {
- if (bFirst) {
- if (pHuffmanDecoder->decodeAValue(SBHUFFFS, &DFS) != 0)
- return nullptr;
-
- FIRSTS = FIRSTS + DFS;
- CURS = FIRSTS;
- bFirst = FALSE;
- } else {
- nVal = pHuffmanDecoder->decodeAValue(SBHUFFDS, &IDS);
- if (nVal == JBIG2_OOB) {
- break;
- } else if (nVal != 0) {
- return nullptr;
- } else {
- CURS = CURS + IDS + SBDSOFFSET;
- }
- }
- uint8_t CURT = 0;
- if (SBSTRIPS != 1) {
- nTmp = 1;
- while ((FX_DWORD)(1 << nTmp) < SBSTRIPS) {
- nTmp++;
- }
- if (pStream->readNBits(nTmp, &nVal) != 0)
- return nullptr;
-
- CURT = nVal;
- }
- TI = STRIPT + CURT;
- nVal = 0;
- nBits = 0;
- FX_DWORD IDI;
- for (;;) {
- if (pStream->read1Bit(&nTmp) != 0)
- return nullptr;
-
- 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) {
- return nullptr;
- }
- }
- 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)) {
- return nullptr;
- }
- pStream->alignByte();
- nTmp = pStream->getOffset();
- IBOI = SBSYMS[IDI];
- if (!IBOI)
- return nullptr;
-
- WOI = IBOI->m_nWidth;
- HOI = IBOI->m_nHeight;
- if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0)
- return nullptr;
-
- std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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];
-
- {
- std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
- new CJBig2_ArithDecoder(pStream));
- IBI = pGRRD->decode(pArithDecoder.get(), grContext);
- if (!IBI)
- return nullptr;
- }
-
- pStream->alignByte();
- pStream->offset(2);
- if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) {
- delete IBI;
- return nullptr;
- }
- }
- 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;
- }
- }
- return SBREG.release();
-}
-
-CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
- JBig2ArithCtx* grContext,
- JBig2IntDecoderState* pIDS) {
- std::unique_ptr<CJBig2_ArithIntDecoder> IADT;
- std::unique_ptr<CJBig2_ArithIntDecoder> IAFS;
- std::unique_ptr<CJBig2_ArithIntDecoder> IADS;
- std::unique_ptr<CJBig2_ArithIntDecoder> IAIT;
- std::unique_ptr<CJBig2_ArithIntDecoder> IARI;
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDW;
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDH;
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDX;
- std::unique_ptr<CJBig2_ArithIntDecoder> IARDY;
- std::unique_ptr<CJBig2_ArithIaidDecoder> IAID;
- CJBig2_ArithIntDecoder* pIADT;
- CJBig2_ArithIntDecoder* pIAFS;
- CJBig2_ArithIntDecoder* pIADS;
- CJBig2_ArithIntDecoder* pIAIT;
- CJBig2_ArithIntDecoder* pIARI;
- CJBig2_ArithIntDecoder* pIARDW;
- CJBig2_ArithIntDecoder* pIARDH;
- CJBig2_ArithIntDecoder* pIARDX;
- CJBig2_ArithIntDecoder* pIARDY;
- CJBig2_ArithIaidDecoder* pIAID;
- if (pIDS) {
- pIADT = pIDS->IADT;
- pIAFS = pIDS->IAFS;
- pIADS = pIDS->IADS;
- pIAIT = pIDS->IAIT;
- pIARI = pIDS->IARI;
- pIARDW = pIDS->IARDW;
- pIARDH = pIDS->IARDH;
- pIARDX = pIDS->IARDX;
- pIARDY = pIDS->IARDY;
- pIAID = pIDS->IAID;
- } else {
- IADT.reset(new CJBig2_ArithIntDecoder());
- IAFS.reset(new CJBig2_ArithIntDecoder());
- IADS.reset(new CJBig2_ArithIntDecoder());
- IAIT.reset(new CJBig2_ArithIntDecoder());
- IARI.reset(new CJBig2_ArithIntDecoder());
- IARDW.reset(new CJBig2_ArithIntDecoder());
- IARDH.reset(new CJBig2_ArithIntDecoder());
- IARDX.reset(new CJBig2_ArithIntDecoder());
- IARDY.reset(new CJBig2_ArithIntDecoder());
- IAID.reset(new CJBig2_ArithIaidDecoder(SBSYMCODELEN));
- pIADT = IADT.get();
- pIAFS = IAFS.get();
- pIADS = IADS.get();
- pIAIT = IAIT.get();
- pIARI = IARI.get();
- pIARDW = IARDW.get();
- pIARDH = IARDH.get();
- pIARDX = IARDX.get();
- pIARDY = IARDY.get();
- pIAID = IAID.get();
- }
- std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
- SBREG->fill(SBDEFPIXEL);
- int32_t STRIPT;
- pIADT->decode(pArithDecoder, &STRIPT);
- STRIPT *= SBSTRIPS;
- STRIPT = -STRIPT;
- int32_t FIRSTS = 0;
- FX_DWORD NINSTANCES = 0;
- while (NINSTANCES < SBNUMINSTANCES) {
- int32_t CURS;
- int32_t DT;
- pIADT->decode(pArithDecoder, &DT);
- DT *= SBSTRIPS;
- STRIPT += DT;
- bool bFirst = true;
- for (;;) {
- if (bFirst) {
- int32_t DFS;
- pIAFS->decode(pArithDecoder, &DFS);
- FIRSTS += DFS;
- CURS = FIRSTS;
- bFirst = false;
- } else {
- int32_t IDS;
- if (!pIADS->decode(pArithDecoder, &IDS))
- break;
- CURS += IDS + SBDSOFFSET;
- }
- if (NINSTANCES >= SBNUMINSTANCES) {
- break;
- }
- int CURT = 0;
- if (SBSTRIPS != 1)
- pIAIT->decode(pArithDecoder, &CURT);
-
- int32_t TI = STRIPT + CURT;
- FX_DWORD IDI;
- pIAID->decode(pArithDecoder, &IDI);
- if (IDI >= SBNUMSYMS)
- return nullptr;
-
- int RI;
- if (SBREFINE == 0)
- RI = 0;
- else
- pIARI->decode(pArithDecoder, &RI);
-
- std::unique_ptr<CJBig2_Image> IBI;
- CJBig2_Image* pIBI;
- if (RI == 0) {
- pIBI = SBSYMS[IDI];
- } else {
- int32_t RDWI;
- int32_t RDHI;
- int32_t RDXI;
- int32_t RDYI;
- pIARDW->decode(pArithDecoder, &RDWI);
- pIARDH->decode(pArithDecoder, &RDHI);
- pIARDX->decode(pArithDecoder, &RDXI);
- pIARDY->decode(pArithDecoder, &RDYI);
- CJBig2_Image* IBOI = SBSYMS[IDI];
- FX_DWORD WOI = IBOI->m_nWidth;
- FX_DWORD HOI = IBOI->m_nHeight;
- if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
- return nullptr;
- }
- std::unique_ptr<CJBig2_GRRDProc> pGRRD(new 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.reset(pGRRD->decode(pArithDecoder, grContext));
- pIBI = IBI.get();
- }
- if (!pIBI)
- return nullptr;
-
- FX_DWORD WI = pIBI->m_nWidth;
- FX_DWORD HI = pIBI->m_nHeight;
- if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPRIGHT) ||
- (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS += WI - 1;
- } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_BOTTOMLEFT) ||
- (REFCORNER == JBIG2_CORNER_BOTTOMRIGHT))) {
- CURS += HI - 1;
- }
- int32_t SI = CURS;
- if (TRANSPOSED == 0) {
- switch (REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(SI, TI, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(SI, TI - HI + 1, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(SI - WI + 1, TI - HI + 1, pIBI, SBCOMBOP);
- break;
- }
- } else {
- switch (REFCORNER) {
- case JBIG2_CORNER_TOPLEFT:
- SBREG->composeFrom(TI, SI, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_TOPRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMLEFT:
- SBREG->composeFrom(TI, SI - HI + 1, pIBI, SBCOMBOP);
- break;
- case JBIG2_CORNER_BOTTOMRIGHT:
- SBREG->composeFrom(TI - WI + 1, SI - HI + 1, pIBI, SBCOMBOP);
- break;
- }
- }
- if (TRANSPOSED == 0 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) ||
- (REFCORNER == JBIG2_CORNER_BOTTOMLEFT))) {
- CURS += WI - 1;
- } else if (TRANSPOSED == 1 && ((REFCORNER == JBIG2_CORNER_TOPLEFT) ||
- (REFCORNER == JBIG2_CORNER_TOPRIGHT))) {
- CURS += HI - 1;
- }
- ++NINSTANCES;
- }
- }
- return SBREG.release();
-}
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