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| 1 // Copyright 2015 PDFium Authors. All rights reserved. | 1 // Copyright 2015 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #include "JBig2_PddProc.h" | 7 #include "JBig2_PddProc.h" |
| 8 | 8 |
| 9 #include <memory> |
| 10 |
| 9 #include "JBig2_GrdProc.h" | 11 #include "JBig2_GrdProc.h" |
| 10 #include "JBig2_Image.h" | 12 #include "JBig2_Image.h" |
| 11 #include "JBig2_PatternDict.h" | 13 #include "JBig2_PatternDict.h" |
| 12 #include "third_party/base/nonstd_unique_ptr.h" | |
| 13 | 14 |
| 14 CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith( | 15 CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith( |
| 15 CJBig2_ArithDecoder* pArithDecoder, | 16 CJBig2_ArithDecoder* pArithDecoder, |
| 16 JBig2ArithCtx* gbContext, | 17 JBig2ArithCtx* gbContext, |
| 17 IFX_Pause* pPause) { | 18 IFX_Pause* pPause) { |
| 18 FX_DWORD GRAY; | 19 FX_DWORD GRAY; |
| 19 CJBig2_Image* BHDC = nullptr; | 20 CJBig2_Image* BHDC = nullptr; |
| 20 nonstd::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); | 21 std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); |
| 21 pDict->NUMPATS = GRAYMAX + 1; | 22 pDict->NUMPATS = GRAYMAX + 1; |
| 22 pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); | 23 pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); |
| 23 JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); | 24 JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); |
| 24 | 25 |
| 25 nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); | 26 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); |
| 26 pGRD->MMR = HDMMR; | 27 pGRD->MMR = HDMMR; |
| 27 pGRD->GBW = (GRAYMAX + 1) * HDPW; | 28 pGRD->GBW = (GRAYMAX + 1) * HDPW; |
| 28 pGRD->GBH = HDPH; | 29 pGRD->GBH = HDPH; |
| 29 pGRD->GBTEMPLATE = HDTEMPLATE; | 30 pGRD->GBTEMPLATE = HDTEMPLATE; |
| 30 pGRD->TPGDON = 0; | 31 pGRD->TPGDON = 0; |
| 31 pGRD->USESKIP = 0; | 32 pGRD->USESKIP = 0; |
| 32 pGRD->GBAT[0] = -(int32_t)HDPW; | 33 pGRD->GBAT[0] = -(int32_t)HDPW; |
| 33 pGRD->GBAT[1] = 0; | 34 pGRD->GBAT[1] = 0; |
| 34 if (pGRD->GBTEMPLATE == 0) { | 35 if (pGRD->GBTEMPLATE == 0) { |
| 35 pGRD->GBAT[2] = -3; | 36 pGRD->GBAT[2] = -3; |
| (...skipping 17 matching lines...) Expand all Loading... |
| 53 GRAY = GRAY + 1; | 54 GRAY = GRAY + 1; |
| 54 } | 55 } |
| 55 delete BHDC; | 56 delete BHDC; |
| 56 return pDict.release(); | 57 return pDict.release(); |
| 57 } | 58 } |
| 58 | 59 |
| 59 CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream, | 60 CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream, |
| 60 IFX_Pause* pPause) { | 61 IFX_Pause* pPause) { |
| 61 FX_DWORD GRAY; | 62 FX_DWORD GRAY; |
| 62 CJBig2_Image* BHDC = nullptr; | 63 CJBig2_Image* BHDC = nullptr; |
| 63 nonstd::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); | 64 std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict()); |
| 64 pDict->NUMPATS = GRAYMAX + 1; | 65 pDict->NUMPATS = GRAYMAX + 1; |
| 65 pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); | 66 pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS); |
| 66 JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); | 67 JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS); |
| 67 | 68 |
| 68 nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); | 69 std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc()); |
| 69 pGRD->MMR = HDMMR; | 70 pGRD->MMR = HDMMR; |
| 70 pGRD->GBW = (GRAYMAX + 1) * HDPW; | 71 pGRD->GBW = (GRAYMAX + 1) * HDPW; |
| 71 pGRD->GBH = HDPH; | 72 pGRD->GBH = HDPH; |
| 72 FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream, nullptr); | 73 FXCODEC_STATUS status = pGRD->Start_decode_MMR(&BHDC, pStream, nullptr); |
| 73 while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { | 74 while (status == FXCODEC_STATUS_DECODE_TOBECONTINUE) { |
| 74 pGRD->Continue_decode(pPause); | 75 pGRD->Continue_decode(pPause); |
| 75 } | 76 } |
| 76 if (!BHDC) | 77 if (!BHDC) |
| 77 return nullptr; | 78 return nullptr; |
| 78 | 79 |
| 79 GRAY = 0; | 80 GRAY = 0; |
| 80 while (GRAY <= GRAYMAX) { | 81 while (GRAY <= GRAYMAX) { |
| 81 pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); | 82 pDict->HDPATS[GRAY] = BHDC->subImage(HDPW * GRAY, 0, HDPW, HDPH); |
| 82 GRAY = GRAY + 1; | 83 GRAY = GRAY + 1; |
| 83 } | 84 } |
| 84 delete BHDC; | 85 delete BHDC; |
| 85 return pDict.release(); | 86 return pDict.release(); |
| 86 } | 87 } |
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