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| 1 | 1 |
| 2 // Copyright 2014 PDFium Authors. All rights reserved. | 2 // Copyright 2014 PDFium Authors. All rights reserved. |
| 3 // Use of this source code is governed by a BSD-style license that can be | 3 // Use of this source code is governed by a BSD-style license that can be |
| 4 // found in the LICENSE file. | 4 // found in the LICENSE file. |
| 5 | 5 |
| 6 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 6 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 7 | 7 |
| 8 #include "core/include/fxcodec/fx_codec.h" | 8 #include "core/include/fxcodec/fx_codec.h" |
| 9 | 9 |
| 10 #include <cmath> | 10 #include <cmath> |
| 11 | 11 |
| 12 #include "codec_int.h" | 12 #include "codec_int.h" |
| 13 #include "core/include/fxcrt/fx_ext.h" | 13 #include "core/include/fxcrt/fx_ext.h" |
| 14 #include "core/include/fxcrt/fx_safe_types.h" | 14 #include "core/include/fxcrt/fx_safe_types.h" |
| 15 #include "third_party/base/logging.h" | 15 #include "third_party/base/logging.h" |
| 16 | 16 |
| 17 CCodec_ModuleMgr::CCodec_ModuleMgr() | 17 CCodec_ModuleMgr::CCodec_ModuleMgr() |
| 18 : m_pBasicModule(new CCodec_BasicModule), | 18 : m_pBasicModule(new CCodec_BasicModule), |
| 19 m_pFaxModule(new CCodec_FaxModule), | 19 m_pFaxModule(new CCodec_FaxModule), |
| 20 m_pJpegModule(new CCodec_JpegModule), | 20 m_pJpegModule(new CCodec_JpegModule), |
| 21 m_pJpxModule(new CCodec_JpxModule), | 21 m_pJpxModule(new CCodec_JpxModule), |
| 22 m_pJbig2Module(new CCodec_Jbig2Module), | 22 m_pJbig2Module(new CCodec_Jbig2Module), |
| 23 m_pIccModule(new CCodec_IccModule), | 23 m_pIccModule(new CCodec_IccModule), |
| 24 #ifndef PDF_ENABLE_XFA | |
| 25 m_pFlateModule(new CCodec_FlateModule) { | |
| 26 } | |
| 27 #else | |
| 24 m_pFlateModule(new CCodec_FlateModule), | 28 m_pFlateModule(new CCodec_FlateModule), |
| 25 m_pPngModule(new CCodec_PngModule), | 29 m_pPngModule(new CCodec_PngModule), |
| 26 m_pGifModule(new CCodec_GifModule), | 30 m_pGifModule(new CCodec_GifModule), |
| 27 m_pBmpModule(new CCodec_BmpModule), | 31 m_pBmpModule(new CCodec_BmpModule), |
| 28 m_pTiffModule(new CCodec_TiffModule) {} | 32 m_pTiffModule(new CCodec_TiffModule) { |
|
Lei Zhang
2015/11/24 23:38:10
If the ordering does not matter, you can put m_pFl
Tom Sepez
2015/11/25 18:51:46
That's a great idea.
| |
| 33 } | |
| 34 #endif | |
| 29 | 35 |
| 30 CCodec_ScanlineDecoder::ImageDataCache::ImageDataCache(int width, | 36 CCodec_ScanlineDecoder::ImageDataCache::ImageDataCache(int width, |
| 31 int height, | 37 int height, |
| 32 FX_DWORD pitch) | 38 FX_DWORD pitch) |
| 33 : m_Width(width), m_Height(height), m_Pitch(pitch), m_nCachedLines(0) {} | 39 : m_Width(width), m_Height(height), m_Pitch(pitch), m_nCachedLines(0) {} |
| 34 | 40 |
| 35 CCodec_ScanlineDecoder::ImageDataCache::~ImageDataCache() { | 41 CCodec_ScanlineDecoder::ImageDataCache::~ImageDataCache() { |
| 36 } | 42 } |
| 37 | 43 |
| 38 bool CCodec_ScanlineDecoder::ImageDataCache::AllocateCache() { | 44 bool CCodec_ScanlineDecoder::ImageDataCache::AllocateCache() { |
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| 254 return is_negative ? -ret : ret; | 260 return is_negative ? -ret : ret; |
| 255 } | 261 } |
| 256 #undef EXPONENT_DETECT | 262 #undef EXPONENT_DETECT |
| 257 | 263 |
| 258 FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, | 264 FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, |
| 259 FX_DWORD src_size, | 265 FX_DWORD src_size, |
| 260 uint8_t*& dest_buf, | 266 uint8_t*& dest_buf, |
| 261 FX_DWORD& dest_size) { | 267 FX_DWORD& dest_size) { |
| 262 return FALSE; | 268 return FALSE; |
| 263 } | 269 } |
| 270 #ifdef PDF_ENABLE_XFA | |
| 264 CFX_DIBAttribute::CFX_DIBAttribute() | 271 CFX_DIBAttribute::CFX_DIBAttribute() |
| 265 : m_nXDPI(-1), | 272 : m_nXDPI(-1), |
| 266 m_nYDPI(-1), | 273 m_nYDPI(-1), |
| 267 m_fAspectRatio(-1.0f), | 274 m_fAspectRatio(-1.0f), |
| 268 m_wDPIUnit(0), | 275 m_wDPIUnit(0), |
| 269 m_nGifLeft(0), | 276 m_nGifLeft(0), |
| 270 m_nGifTop(0), | 277 m_nGifTop(0), |
| 271 m_pGifLocalPalette(nullptr), | 278 m_pGifLocalPalette(nullptr), |
| 272 m_nGifLocalPalNum(0), | 279 m_nGifLocalPalNum(0), |
| 273 m_nBmpCompressType(0) { | 280 m_nBmpCompressType(0) { |
| 274 FXSYS_memset(m_strTime, 0, sizeof(m_strTime)); | 281 FXSYS_memset(m_strTime, 0, sizeof(m_strTime)); |
| 275 } | 282 } |
| 276 CFX_DIBAttribute::~CFX_DIBAttribute() { | 283 CFX_DIBAttribute::~CFX_DIBAttribute() { |
| 277 for (const auto& pair : m_Exif) | 284 for (const auto& pair : m_Exif) |
| 278 FX_Free(pair.second); | 285 FX_Free(pair.second); |
| 279 } | 286 } |
| 280 | 287 |
| 288 #endif | |
| 281 class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder { | 289 class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder { |
| 282 public: | 290 public: |
| 283 CCodec_RLScanlineDecoder(); | 291 CCodec_RLScanlineDecoder(); |
| 284 ~CCodec_RLScanlineDecoder() override; | 292 ~CCodec_RLScanlineDecoder() override; |
| 285 | 293 |
| 286 FX_BOOL Create(const uint8_t* src_buf, | 294 FX_BOOL Create(const uint8_t* src_buf, |
| 287 FX_DWORD src_size, | 295 FX_DWORD src_size, |
| 288 int width, | 296 int width, |
| 289 int height, | 297 int height, |
| 290 int nComps, | 298 int nComps, |
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| 475 int nComps, | 483 int nComps, |
| 476 int bpc) { | 484 int bpc) { |
| 477 CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; | 485 CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; |
| 478 if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, | 486 if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, |
| 479 bpc)) { | 487 bpc)) { |
| 480 delete pRLScanlineDecoder; | 488 delete pRLScanlineDecoder; |
| 481 return NULL; | 489 return NULL; |
| 482 } | 490 } |
| 483 return pRLScanlineDecoder; | 491 return pRLScanlineDecoder; |
| 484 } | 492 } |
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