| 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" |
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| 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()) { |
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| 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); |
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