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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 #ifndef SkCodec_wbmp_DEFINED | 8 #ifndef SkCodec_wbmp_DEFINED |
9 #define SkCodec_wbmp_DEFINED | 9 #define SkCodec_wbmp_DEFINED |
10 | 10 |
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26 SkEncodedFormat onGetEncodedFormat() const override; | 26 SkEncodedFormat onGetEncodedFormat() const override; |
27 Result onGetPixels(const SkImageInfo&, void*, size_t, | 27 Result onGetPixels(const SkImageInfo&, void*, size_t, |
28 const Options&, SkPMColor[], int*) override; | 28 const Options&, SkPMColor[], int*) override; |
29 bool onRewind() override; | 29 bool onRewind() override; |
30 private: | 30 private: |
31 /* | 31 /* |
32 * Returns a swizzler on success, nullptr on failure | 32 * Returns a swizzler on success, nullptr on failure |
33 */ | 33 */ |
34 SkSwizzler* initializeSwizzler(const SkImageInfo& info, const SkPMColor* cta
ble, | 34 SkSwizzler* initializeSwizzler(const SkImageInfo& info, const SkPMColor* cta
ble, |
35 const Options& opts); | 35 const Options& opts); |
| 36 SkSampler* getSampler() override { return fSwizzler; } |
36 | 37 |
37 /* | 38 /* |
38 * Read a src row from the encoded stream | 39 * Read a src row from the encoded stream |
39 */ | 40 */ |
40 Result readRow(uint8_t* row); | 41 Result readRow(uint8_t* row); |
41 | 42 |
42 SkWbmpCodec(const SkImageInfo&, SkStream*); | 43 SkWbmpCodec(const SkImageInfo&, SkStream*); |
43 | 44 |
44 const size_t fSrcRowBytes; | 45 const size_t fSrcRowBytes; |
45 | 46 |
46 // Used for scanline decodes: | 47 // Used for scanline decodes: |
47 SkAutoTUnref<SkColorTable> fColorTable; | 48 SkAutoTUnref<SkColorTable> fColorTable; |
48 SkAutoTDelete<SkSwizzler> fSwizzler; | 49 SkAutoTDelete<SkSwizzler> fSwizzler; |
49 SkAutoTMalloc<uint8_t> fSrcBuffer; | 50 SkAutoTMalloc<uint8_t> fSrcBuffer; |
50 | 51 |
51 // FIXME: Override onSkipScanlines to avoid swizzling. | 52 // FIXME: Override onSkipScanlines to avoid swizzling. |
52 Result onGetScanlines(void* dst, int count, size_t dstRowBytes) override; | 53 Result onGetScanlines(void* dst, int count, size_t dstRowBytes) override; |
53 Result onStartScanlineDecode(const SkImageInfo& dstInfo, const Options& opti
ons, | 54 Result onStartScanlineDecode(const SkImageInfo& dstInfo, const Options& opti
ons, |
54 SkPMColor inputColorTable[], int* inputColorCount) override; | 55 SkPMColor inputColorTable[], int* inputColorCount) override; |
55 | 56 |
56 typedef SkCodec INHERITED; | 57 typedef SkCodec INHERITED; |
57 }; | 58 }; |
58 | 59 |
59 #endif // SkCodec_wbmp_DEFINED | 60 #endif // SkCodec_wbmp_DEFINED |
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