OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2007 The Android Open Source Project | 2 * Copyright 2007 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #include "SkImageDecoder.h" | 9 #include "SkImageDecoder.h" |
10 #include "SkImageEncoder.h" | 10 #include "SkImageEncoder.h" |
(...skipping 922 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
933 | 933 |
934 return true; | 934 return true; |
935 } | 935 } |
936 | 936 |
937 /////////////////////////////////////////////////////////////////////////////// | 937 /////////////////////////////////////////////////////////////////////////////// |
938 | 938 |
939 #ifdef SK_BUILD_FOR_ANDROID | 939 #ifdef SK_BUILD_FOR_ANDROID |
940 bool SkJPEGImageDecoder::onBuildTileIndex(SkStreamRewindable* stream, int *width
, int *height) { | 940 bool SkJPEGImageDecoder::onBuildTileIndex(SkStreamRewindable* stream, int *width
, int *height) { |
941 | 941 |
942 SkAutoTDelete<SkJPEGImageIndex> imageIndex(SkNEW_ARGS(SkJPEGImageIndex, (str
eam, this))); | 942 SkAutoTDelete<SkJPEGImageIndex> imageIndex(SkNEW_ARGS(SkJPEGImageIndex, (str
eam, this))); |
| 943 jpeg_decompress_struct* cinfo = imageIndex->cinfo(); |
943 | 944 |
944 skjpeg_error_mgr sk_err; | 945 skjpeg_error_mgr sk_err; |
| 946 set_error_mgr(cinfo, &sk_err); |
945 | 947 |
946 // All objects need to be instantiated before this setjmp call so that | 948 // All objects need to be instantiated before this setjmp call so that |
947 // they will be cleaned up properly if an error occurs. | 949 // they will be cleaned up properly if an error occurs. |
948 if (setjmp(sk_err.fJmpBuf)) { | 950 if (setjmp(sk_err.fJmpBuf)) { |
949 return false; | 951 return false; |
950 } | 952 } |
951 | 953 |
952 // create the cinfo used to create/build the huffmanIndex | 954 // create the cinfo used to create/build the huffmanIndex |
953 if (!imageIndex->initializeInfoAndReadHeader()) { | 955 if (!imageIndex->initializeInfoAndReadHeader()) { |
954 return false; | 956 return false; |
955 } | 957 } |
956 | 958 |
957 if (!imageIndex->buildHuffmanIndex()) { | 959 if (!imageIndex->buildHuffmanIndex()) { |
958 return false; | 960 return false; |
959 } | 961 } |
960 | 962 |
961 // destroy the cinfo used to create/build the huffman index | 963 // destroy the cinfo used to create/build the huffman index |
962 imageIndex->destroyInfo(); | 964 imageIndex->destroyInfo(); |
963 | 965 |
964 // Init decoder to image decode mode | 966 // Init decoder to image decode mode |
965 if (!imageIndex->initializeInfoAndReadHeader()) { | 967 if (!imageIndex->initializeInfoAndReadHeader()) { |
966 return false; | 968 return false; |
967 } | 969 } |
968 | 970 |
969 jpeg_decompress_struct* cinfo = imageIndex->cinfo(); | |
970 set_error_mgr(cinfo, &sk_err); | |
971 | |
972 // FIXME: This sets cinfo->out_color_space, which we may change later | 971 // FIXME: This sets cinfo->out_color_space, which we may change later |
973 // based on the config in onDecodeSubset. This should be fine, since | 972 // based on the config in onDecodeSubset. This should be fine, since |
974 // jpeg_init_read_tile_scanline will check out_color_space again after | 973 // jpeg_init_read_tile_scanline will check out_color_space again after |
975 // that change (when it calls jinit_color_deconverter). | 974 // that change (when it calls jinit_color_deconverter). |
976 (void) this->getBitmapColorType(cinfo); | 975 (void) this->getBitmapColorType(cinfo); |
977 | 976 |
978 turn_off_visual_optimizations(cinfo); | 977 turn_off_visual_optimizations(cinfo); |
979 | 978 |
980 // instead of jpeg_start_decompress() we start a tiled decompress | 979 // instead of jpeg_start_decompress() we start a tiled decompress |
981 if (!imageIndex->startTileDecompress()) { | 980 if (!imageIndex->startTileDecompress()) { |
(...skipping 461 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1443 return SkImageDecoder::kUnknown_Format; | 1442 return SkImageDecoder::kUnknown_Format; |
1444 } | 1443 } |
1445 | 1444 |
1446 static SkImageEncoder* sk_libjpeg_efactory(SkImageEncoder::Type t) { | 1445 static SkImageEncoder* sk_libjpeg_efactory(SkImageEncoder::Type t) { |
1447 return (SkImageEncoder::kJPEG_Type == t) ? SkNEW(SkJPEGImageEncoder) : NULL; | 1446 return (SkImageEncoder::kJPEG_Type == t) ? SkNEW(SkJPEGImageEncoder) : NULL; |
1448 } | 1447 } |
1449 | 1448 |
1450 static SkImageDecoder_DecodeReg gDReg(sk_libjpeg_dfactory); | 1449 static SkImageDecoder_DecodeReg gDReg(sk_libjpeg_dfactory); |
1451 static SkImageDecoder_FormatReg gFormatReg(get_format_jpeg); | 1450 static SkImageDecoder_FormatReg gFormatReg(get_format_jpeg); |
1452 static SkImageEncoder_EncodeReg gEReg(sk_libjpeg_efactory); | 1451 static SkImageEncoder_EncodeReg gEReg(sk_libjpeg_efactory); |
OLD | NEW |