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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 | |
56 */ | 54 */ |
57 SkISize getScaledDimensions(float desiredScale) const { | 55 SkISize getScaledDimensions(float desiredScale) const { |
58 return this->onGetScaledDimensions(desiredScale); | 56 return this->onGetScaledDimensions(desiredScale); |
59 } | 57 } |
60 | 58 |
61 /** | 59 /** |
62 * Return (via desiredSubset) a subset which can decoded from this codec, | 60 * Return (via desiredSubset) a subset which can decoded from this codec, |
63 * or false if this codec cannot decode subsets or anything similar to | 61 * or false if this codec cannot decode subsets or anything similar to |
64 * desiredSubset. | 62 * desiredSubset. |
65 * | 63 * |
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263 SkStream* stream() { | 261 SkStream* stream() { |
264 return fStream.get(); | 262 return fStream.get(); |
265 } | 263 } |
266 | 264 |
267 private: | 265 private: |
268 const SkImageInfo fInfo; | 266 const SkImageInfo fInfo; |
269 SkAutoTDelete<SkStream> fStream; | 267 SkAutoTDelete<SkStream> fStream; |
270 bool fNeedsRewind; | 268 bool fNeedsRewind; |
271 }; | 269 }; |
272 #endif // SkCodec_DEFINED | 270 #endif // SkCodec_DEFINED |
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