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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 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 <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 | 9 |
10 #include "../../../../third_party/lcms2-2.6/include/lcms2.h" | 10 #include "../../../../third_party/lcms2-2.6/include/lcms2.h" |
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648 FX_Free(src2); | 648 FX_Free(src2); |
649 image->color_space = OPJ_CLRSPC_SRGB; | 649 image->color_space = OPJ_CLRSPC_SRGB; |
650 image->comps[0].prec = 16; | 650 image->comps[0].prec = 16; |
651 image->comps[1].prec = 16; | 651 image->comps[1].prec = 16; |
652 image->comps[2].prec = 16; | 652 image->comps[2].prec = 16; |
653 return; | 653 return; |
654 } | 654 } |
655 } | 655 } |
656 class CJPX_Decoder { | 656 class CJPX_Decoder { |
657 public: | 657 public: |
658 CJPX_Decoder(); | 658 explicit CJPX_Decoder(bool use_colorspace); |
659 ~CJPX_Decoder(); | 659 ~CJPX_Decoder(); |
660 FX_BOOL Init(const unsigned char* src_data, int src_size); | 660 FX_BOOL Init(const unsigned char* src_data, int src_size); |
661 void GetInfo(FX_DWORD& width, | 661 void GetInfo(FX_DWORD& width, |
662 FX_DWORD& height, | 662 FX_DWORD& height, |
663 FX_DWORD& codestream_nComps, | 663 FX_DWORD& codestream_nComps, |
664 FX_DWORD& output_nComps); | 664 FX_DWORD& output_nComps); |
665 FX_BOOL Decode(uint8_t* dest_buf, | 665 FX_BOOL Decode(uint8_t* dest_buf, |
666 int pitch, | 666 int pitch, |
667 FX_BOOL bTranslateColor, | 667 FX_BOOL bTranslateColor, |
668 uint8_t* offsets); | 668 uint8_t* offsets); |
669 const uint8_t* m_SrcData; | 669 const uint8_t* m_SrcData; |
670 int m_SrcSize; | 670 int m_SrcSize; |
671 opj_image_t* image; | 671 opj_image_t* image; |
672 opj_codec_t* l_codec; | 672 opj_codec_t* l_codec; |
673 opj_stream_t* l_stream; | 673 opj_stream_t* l_stream; |
674 FX_BOOL m_useColorSpace; | 674 const bool m_UseColorSpace; |
675 }; | 675 }; |
676 CJPX_Decoder::CJPX_Decoder() | 676 CJPX_Decoder::CJPX_Decoder(bool use_colorspace) |
677 : image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE) {} | 677 : image(NULL), l_codec(NULL), l_stream(NULL), m_UseColorSpace(use_colorspace
) {} |
678 CJPX_Decoder::~CJPX_Decoder() { | 678 CJPX_Decoder::~CJPX_Decoder() { |
679 if (l_codec) { | 679 if (l_codec) { |
680 opj_destroy_codec(l_codec); | 680 opj_destroy_codec(l_codec); |
681 } | 681 } |
682 if (l_stream) { | 682 if (l_stream) { |
683 opj_stream_destroy(l_stream); | 683 opj_stream_destroy(l_stream); |
684 } | 684 } |
685 if (image) { | 685 if (image) { |
686 opj_image_destroy(image); | 686 opj_image_destroy(image); |
687 } | 687 } |
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717 opj_set_info_handler(l_codec, fx_info_callback, 00); | 717 opj_set_info_handler(l_codec, fx_info_callback, 00); |
718 opj_set_warning_handler(l_codec, fx_warning_callback, 00); | 718 opj_set_warning_handler(l_codec, fx_warning_callback, 00); |
719 opj_set_error_handler(l_codec, fx_error_callback, 00); | 719 opj_set_error_handler(l_codec, fx_error_callback, 00); |
720 if (!opj_setup_decoder(l_codec, ¶meters)) { | 720 if (!opj_setup_decoder(l_codec, ¶meters)) { |
721 return FALSE; | 721 return FALSE; |
722 } | 722 } |
723 if (!opj_read_header(l_stream, l_codec, &image)) { | 723 if (!opj_read_header(l_stream, l_codec, &image)) { |
724 image = NULL; | 724 image = NULL; |
725 return FALSE; | 725 return FALSE; |
726 } | 726 } |
| 727 image->pdfium_use_colorspace = m_UseColorSpace; |
| 728 |
727 if (!parameters.nb_tile_to_decode) { | 729 if (!parameters.nb_tile_to_decode) { |
728 if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0, | 730 if (!opj_set_decode_area(l_codec, image, parameters.DA_x0, parameters.DA_y0, |
729 parameters.DA_x1, parameters.DA_y1)) { | 731 parameters.DA_x1, parameters.DA_y1)) { |
730 opj_image_destroy(image); | 732 opj_image_destroy(image); |
731 image = NULL; | 733 image = NULL; |
732 return FALSE; | 734 return FALSE; |
733 } | 735 } |
734 if (!(opj_decode(l_codec, l_stream, image) && | 736 if (!(opj_decode(l_codec, l_stream, image) && |
735 opj_end_decompress(l_codec, l_stream))) { | 737 opj_end_decompress(l_codec, l_stream))) { |
736 opj_image_destroy(image); | 738 opj_image_destroy(image); |
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857 FX_Free(adjust_comps); | 859 FX_Free(adjust_comps); |
858 return result; | 860 return result; |
859 } | 861 } |
860 void initialize_transition_table(); | 862 void initialize_transition_table(); |
861 void initialize_significance_luts(); | 863 void initialize_significance_luts(); |
862 void initialize_sign_lut(); | 864 void initialize_sign_lut(); |
863 CCodec_JpxModule::CCodec_JpxModule() {} | 865 CCodec_JpxModule::CCodec_JpxModule() {} |
864 void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, | 866 void* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf, |
865 FX_DWORD src_size, | 867 FX_DWORD src_size, |
866 FX_BOOL useColorSpace) { | 868 FX_BOOL useColorSpace) { |
867 CJPX_Decoder* pDecoder = new CJPX_Decoder; | 869 CJPX_Decoder* pDecoder = new CJPX_Decoder(useColorSpace); |
868 pDecoder->m_useColorSpace = useColorSpace; | |
869 if (!pDecoder->Init(src_buf, src_size)) { | 870 if (!pDecoder->Init(src_buf, src_size)) { |
870 delete pDecoder; | 871 delete pDecoder; |
871 return NULL; | 872 return NULL; |
872 } | 873 } |
873 return pDecoder; | 874 return pDecoder; |
874 } | 875 } |
875 void CCodec_JpxModule::GetImageInfo(void* ctx, | 876 void CCodec_JpxModule::GetImageInfo(void* ctx, |
876 FX_DWORD& width, | 877 FX_DWORD& width, |
877 FX_DWORD& height, | 878 FX_DWORD& height, |
878 FX_DWORD& codestream_nComps, | 879 FX_DWORD& codestream_nComps, |
879 FX_DWORD& output_nComps) { | 880 FX_DWORD& output_nComps) { |
880 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; | 881 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; |
881 pDecoder->GetInfo(width, height, codestream_nComps, output_nComps); | 882 pDecoder->GetInfo(width, height, codestream_nComps, output_nComps); |
882 } | 883 } |
883 FX_BOOL CCodec_JpxModule::Decode(void* ctx, | 884 FX_BOOL CCodec_JpxModule::Decode(void* ctx, |
884 uint8_t* dest_data, | 885 uint8_t* dest_data, |
885 int pitch, | 886 int pitch, |
886 FX_BOOL bTranslateColor, | 887 FX_BOOL bTranslateColor, |
887 uint8_t* offsets) { | 888 uint8_t* offsets) { |
888 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; | 889 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; |
889 return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets); | 890 return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets); |
890 } | 891 } |
891 void CCodec_JpxModule::DestroyDecoder(void* ctx) { | 892 void CCodec_JpxModule::DestroyDecoder(void* ctx) { |
892 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; | 893 CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx; |
893 delete pDecoder; | 894 delete pDecoder; |
894 } | 895 } |
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