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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_DEFINED | 8 #ifndef SkCodec_DEFINED |
9 #define SkCodec_DEFINED | 9 #define SkCodec_DEFINED |
10 | 10 |
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44 | 44 |
45 /** | 45 /** |
46 * Return the ImageInfo associated with this codec. | 46 * Return the ImageInfo associated with this codec. |
47 */ | 47 */ |
48 const SkImageInfo& getInfo() const { return fInfo; } | 48 const SkImageInfo& getInfo() const { return fInfo; } |
49 | 49 |
50 /** | 50 /** |
51 * Return a size that approximately supports the desired scale factor. | 51 * Return a size that approximately supports the desired scale factor. |
52 * The codec may not be able to scale efficiently to the exact scale | 52 * The codec may not be able to scale efficiently to the exact scale |
53 * factor requested, so return a size that approximates that scale. | 53 * factor requested, so return a size that approximates that scale. |
| 54 * The returned value is the codec's suggestion for the closest valid |
| 55 * scale that it can natively support |
54 */ | 56 */ |
55 SkISize getScaledDimensions(float desiredScale) const { | 57 SkISize getScaledDimensions(float desiredScale) const { |
56 return this->onGetScaledDimensions(desiredScale); | 58 return this->onGetScaledDimensions(desiredScale); |
57 } | 59 } |
58 | 60 |
59 /** | 61 /** |
60 * Return (via desiredSubset) a subset which can decoded from this codec, | 62 * Return (via desiredSubset) a subset which can decoded from this codec, |
61 * or false if this codec cannot decode subsets or anything similar to | 63 * or false if this codec cannot decode subsets or anything similar to |
62 * desiredSubset. | 64 * desiredSubset. |
63 * | 65 * |
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261 SkStream* stream() { | 263 SkStream* stream() { |
262 return fStream.get(); | 264 return fStream.get(); |
263 } | 265 } |
264 | 266 |
265 private: | 267 private: |
266 const SkImageInfo fInfo; | 268 const SkImageInfo fInfo; |
267 SkAutoTDelete<SkStream> fStream; | 269 SkAutoTDelete<SkStream> fStream; |
268 bool fNeedsRewind; | 270 bool fNeedsRewind; |
269 }; | 271 }; |
270 #endif // SkCodec_DEFINED | 272 #endif // SkCodec_DEFINED |
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