| OLD | NEW |
| 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 "core/src/fxcodec/jbig2/JBig2_GrrdProc.h" | 7 #include "core/fxcodec/jbig2/JBig2_GrrdProc.h" |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 | 10 |
| 11 #include "core/src/fxcodec/jbig2/JBig2_ArithDecoder.h" | 11 #include "core/fxcodec/jbig2/JBig2_ArithDecoder.h" |
| 12 #include "core/src/fxcodec/jbig2/JBig2_BitStream.h" | 12 #include "core/fxcodec/jbig2/JBig2_BitStream.h" |
| 13 #include "core/src/fxcodec/jbig2/JBig2_Image.h" | 13 #include "core/fxcodec/jbig2/JBig2_Image.h" |
| 14 | 14 |
| 15 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, | 15 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder, |
| 16 JBig2ArithCtx* grContext) { | 16 JBig2ArithCtx* grContext) { |
| 17 if (GRW == 0 || GRH == 0) | 17 if (GRW == 0 || GRH == 0) |
| 18 return new CJBig2_Image(GRW, GRH); | 18 return new CJBig2_Image(GRW, GRH); |
| 19 | 19 |
| 20 if (GRTEMPLATE == 0) { | 20 if (GRTEMPLATE == 0) { |
| 21 if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && | 21 if ((GRAT[0] == -1) && (GRAT[1] == -1) && (GRAT[2] == -1) && |
| 22 (GRAT[3] == -1) && (GRREFERENCEDX == 0) && | 22 (GRAT[3] == -1) && (GRREFERENCEDX == 0) && |
| 23 (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { | 23 (GRW == (FX_DWORD)GRREFERENCE->m_nWidth)) { |
| (...skipping 124 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 148 | 148 |
| 149 CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt( | 149 CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt( |
| 150 CJBig2_ArithDecoder* pArithDecoder, | 150 CJBig2_ArithDecoder* pArithDecoder, |
| 151 JBig2ArithCtx* grContext) { | 151 JBig2ArithCtx* grContext) { |
| 152 if (!GRREFERENCE->m_pData) | 152 if (!GRREFERENCE->m_pData) |
| 153 return nullptr; | 153 return nullptr; |
| 154 | 154 |
| 155 FX_BOOL LTP, SLTP, bVal; | 155 FX_BOOL LTP, SLTP, bVal; |
| 156 FX_DWORD CONTEXT; | 156 FX_DWORD CONTEXT; |
| 157 FX_DWORD line1, line1_r, line2_r, line3_r; | 157 FX_DWORD line1, line1_r, line2_r, line3_r; |
| 158 uint8_t* pLine, *pLineR, cVal; | 158 uint8_t *pLine, *pLineR, cVal; |
| 159 intptr_t nStride, nStrideR, nOffset; | 159 intptr_t nStride, nStrideR, nOffset; |
| 160 int32_t k, nBits; | 160 int32_t k, nBits; |
| 161 int32_t GRWR, GRHR; | 161 int32_t GRWR, GRHR; |
| 162 int32_t GRW, GRH; | 162 int32_t GRW, GRH; |
| 163 GRW = (int32_t)CJBig2_GRRDProc::GRW; | 163 GRW = (int32_t)CJBig2_GRRDProc::GRW; |
| 164 GRH = (int32_t)CJBig2_GRRDProc::GRH; | 164 GRH = (int32_t)CJBig2_GRRDProc::GRH; |
| 165 LTP = 0; | 165 LTP = 0; |
| 166 std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); | 166 std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); |
| 167 if (!GRREG->m_pData) | 167 if (!GRREG->m_pData) |
| 168 return nullptr; | 168 return nullptr; |
| (...skipping 217 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 386 | 386 |
| 387 CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt( | 387 CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt( |
| 388 CJBig2_ArithDecoder* pArithDecoder, | 388 CJBig2_ArithDecoder* pArithDecoder, |
| 389 JBig2ArithCtx* grContext) { | 389 JBig2ArithCtx* grContext) { |
| 390 if (!GRREFERENCE->m_pData) | 390 if (!GRREFERENCE->m_pData) |
| 391 return nullptr; | 391 return nullptr; |
| 392 | 392 |
| 393 FX_BOOL LTP, SLTP, bVal; | 393 FX_BOOL LTP, SLTP, bVal; |
| 394 FX_DWORD CONTEXT; | 394 FX_DWORD CONTEXT; |
| 395 FX_DWORD line1, line1_r, line2_r, line3_r; | 395 FX_DWORD line1, line1_r, line2_r, line3_r; |
| 396 uint8_t* pLine, *pLineR, cVal; | 396 uint8_t *pLine, *pLineR, cVal; |
| 397 intptr_t nStride, nStrideR, nOffset; | 397 intptr_t nStride, nStrideR, nOffset; |
| 398 int32_t k, nBits; | 398 int32_t k, nBits; |
| 399 int32_t GRWR, GRHR; | 399 int32_t GRWR, GRHR; |
| 400 int32_t GRW, GRH; | 400 int32_t GRW, GRH; |
| 401 GRW = (int32_t)CJBig2_GRRDProc::GRW; | 401 GRW = (int32_t)CJBig2_GRRDProc::GRW; |
| 402 GRH = (int32_t)CJBig2_GRRDProc::GRH; | 402 GRH = (int32_t)CJBig2_GRRDProc::GRH; |
| 403 LTP = 0; | 403 LTP = 0; |
| 404 std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); | 404 std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH)); |
| 405 if (!GRREG->m_pData) | 405 if (!GRREG->m_pData) |
| 406 return nullptr; | 406 return nullptr; |
| (...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 507 pLine[w >> 3] = cVal; | 507 pLine[w >> 3] = cVal; |
| 508 } | 508 } |
| 509 } | 509 } |
| 510 pLine += nStride; | 510 pLine += nStride; |
| 511 if (h < GRHR + GRREFERENCEDY) { | 511 if (h < GRHR + GRREFERENCEDY) { |
| 512 pLineR += nStrideR; | 512 pLineR += nStrideR; |
| 513 } | 513 } |
| 514 } | 514 } |
| 515 return GRREG.release(); | 515 return GRREG.release(); |
| 516 } | 516 } |
| OLD | NEW |