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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 SkJpegCodec_DEFINED | 8 #ifndef SkJpegCodec_DEFINED |
9 #define SkJpegCodec_DEFINED | 9 #define SkJpegCodec_DEFINED |
10 | 10 |
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52 | 52 |
53 /* | 53 /* |
54 * Recommend a set of destination dimensions given a requested scale | 54 * Recommend a set of destination dimensions given a requested scale |
55 */ | 55 */ |
56 SkISize onGetScaledDimensions(float desiredScale) const override; | 56 SkISize onGetScaledDimensions(float desiredScale) const override; |
57 | 57 |
58 /* | 58 /* |
59 * Initiates the jpeg decode | 59 * Initiates the jpeg decode |
60 */ | 60 */ |
61 Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes
, const Options&, | 61 Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes
, const Options&, |
62 SkPMColor*, int*) override; | 62 SkPMColor*, int*, int*) override; |
63 | 63 |
64 SkEncodedFormat onGetEncodedFormat() const override { | 64 SkEncodedFormat onGetEncodedFormat() const override { |
65 return kJPEG_SkEncodedFormat; | 65 return kJPEG_SkEncodedFormat; |
66 } | 66 } |
67 | 67 |
68 bool onRewind() override; | 68 bool onRewind() override; |
69 | 69 |
70 private: | 70 private: |
71 | 71 |
72 /* | 72 /* |
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119 // We will save the state of the decompress struct after reading the header. | 119 // We will save the state of the decompress struct after reading the header. |
120 // This allows us to safely call onGetScaledDimensions() at any time. | 120 // This allows us to safely call onGetScaledDimensions() at any time. |
121 const int fReadyState; | 121 const int fReadyState; |
122 | 122 |
123 friend class SkJpegScanlineDecoder; | 123 friend class SkJpegScanlineDecoder; |
124 | 124 |
125 typedef SkCodec INHERITED; | 125 typedef SkCodec INHERITED; |
126 }; | 126 }; |
127 | 127 |
128 #endif | 128 #endif |
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