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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
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 #include "SkCodec.h" | 8 #include "SkCodec.h" |
9 #include "SkColorTable.h" | 9 #include "SkColorTable.h" |
10 #include "SkEncodedFormat.h" | 10 #include "SkEncodedFormat.h" |
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43 SkSwizzler::SrcConfig fSrcConfig; | 43 SkSwizzler::SrcConfig fSrcConfig; |
44 int fNumberPasses; | 44 int fNumberPasses; |
45 bool fReallyHasAlpha; | 45 bool fReallyHasAlpha; |
46 | 46 |
47 SkPngCodec(const SkImageInfo&, SkStream*, png_structp, png_infop); | 47 SkPngCodec(const SkImageInfo&, SkStream*, png_structp, png_infop); |
48 ~SkPngCodec(); | 48 ~SkPngCodec(); |
49 | 49 |
50 // Helper to set up swizzler and color table. Also calls png_read_update_inf
o. | 50 // Helper to set up swizzler and color table. Also calls png_read_update_inf
o. |
51 Result initializeSwizzler(const SkImageInfo& requestedInfo, void* dst, | 51 Result initializeSwizzler(const SkImageInfo& requestedInfo, void* dst, |
52 size_t rowBytes, const Options&); | 52 size_t rowBytes, const Options&); |
| 53 // Calls rewindIfNeeded, and returns true if the decoder can continue. |
| 54 bool handleRewind(); |
53 bool decodePalette(bool premultiply); | 55 bool decodePalette(bool premultiply); |
54 void finish(); | 56 void finish(); |
55 void destroyReadStruct(); | 57 void destroyReadStruct(); |
56 | 58 |
57 friend class SkPngScanlineDecoder; | 59 friend class SkPngScanlineDecoder; |
58 | 60 |
59 typedef SkCodec INHERITED; | 61 typedef SkCodec INHERITED; |
60 }; | 62 }; |
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