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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 "SkColorSpaceXform.h" | 9 #include "SkColorSpaceXform.h" |
10 #include "SkColorTable.h" | 10 #include "SkColorTable.h" |
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39 int* colorCount); | 39 int* colorCount); |
40 SkSampler* getSampler(bool createIfNecessary) override { | 40 SkSampler* getSampler(bool createIfNecessary) override { |
41 SkASSERT(fSwizzler); | 41 SkASSERT(fSwizzler); |
42 return fSwizzler; | 42 return fSwizzler; |
43 } | 43 } |
44 void allocateStorage(const SkImageInfo& dstInfo); | 44 void allocateStorage(const SkImageInfo& dstInfo); |
45 | 45 |
46 virtual int readRows(const SkImageInfo& dstInfo, void* dst, size_t rowBytes,
int count, | 46 virtual int readRows(const SkImageInfo& dstInfo, void* dst, size_t rowBytes,
int count, |
47 int startRow) = 0; | 47 int startRow) = 0; |
48 | 48 |
49 SkPngCodec(int width, int height, const SkEncodedInfo&, SkStream*, SkPngChun
kReader*, | 49 SkPngCodec(const SkEncodedInfo&, const SkImageInfo&, SkStream*, SkPngChunkRe
ader*, |
50 png_structp, png_infop, int, int, sk_sp<SkColorSpace>); | 50 png_structp, png_infop, int, int); |
51 | 51 |
52 SkAutoTUnref<SkPngChunkReader> fPngChunkReader; | 52 SkAutoTUnref<SkPngChunkReader> fPngChunkReader; |
53 png_structp fPng_ptr; | 53 png_structp fPng_ptr; |
54 png_infop fInfo_ptr; | 54 png_infop fInfo_ptr; |
55 | 55 |
56 // These are stored here so they can be used both by normal decoding and sca
nline decoding. | 56 // These are stored here so they can be used both by normal decoding and sca
nline decoding. |
57 SkAutoTUnref<SkColorTable> fColorTable; // May be unpremul. | 57 SkAutoTUnref<SkColorTable> fColorTable; // May be unpremul. |
58 SkAutoTDelete<SkSwizzler> fSwizzler; | 58 SkAutoTDelete<SkSwizzler> fSwizzler; |
59 std::unique_ptr<SkColorSpaceXform> fColorXform; | 59 std::unique_ptr<SkColorSpaceXform> fColorXform; |
60 SkAutoTMalloc<uint8_t> fStorage; | 60 SkAutoTMalloc<uint8_t> fStorage; |
61 uint8_t* fSwizzlerSrcRow; | 61 uint8_t* fSwizzlerSrcRow; |
62 uint32_t* fColorXformSrcRow; | 62 uint32_t* fColorXformSrcRow; |
63 size_t fSrcRowBytes; | 63 size_t fSrcRowBytes; |
64 | 64 |
65 const int fNumberPasses; | 65 const int fNumberPasses; |
66 int fBitDepth; | 66 int fBitDepth; |
67 | 67 |
68 private: | 68 private: |
69 bool createColorTable(SkColorType dstColorType, bool premultiply, int* ctabl
eCount); | 69 bool createColorTable(SkColorType dstColorType, bool premultiply, int* ctabl
eCount); |
70 void destroyReadStruct(); | 70 void destroyReadStruct(); |
71 | 71 |
72 typedef SkCodec INHERITED; | 72 typedef SkCodec INHERITED; |
73 }; | 73 }; |
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