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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 SkImageGenerator_DEFINED | 8 #ifndef SkImageGenerator_DEFINED |
| 9 #define SkImageGenerator_DEFINED | 9 #define SkImageGenerator_DEFINED |
| 10 | 10 |
| 11 #include "SkColor.h" | 11 #include "SkColor.h" |
| 12 #include "SkImageInfo.h" | 12 #include "SkImageInfo.h" |
| 13 | 13 |
| 14 class SkBitmap; | 14 class SkBitmap; |
| 15 class SkData; | 15 class SkData; |
| 16 class SkImageGenerator; | 16 class SkImageGenerator; |
| 17 | 17 |
| 18 //#define SK_SUPPORT_LEGACY_OPTIONLESS_GET_PIXELS | |
| 19 | |
| 20 /** | 18 /** |
| 21 * Takes ownership of SkImageGenerator. If this method fails for | 19 * Takes ownership of SkImageGenerator. If this method fails for |
| 22 * whatever reason, it will return false and immediatetely delete | 20 * whatever reason, it will return false and immediatetely delete |
| 23 * the generator. If it succeeds, it will modify destination | 21 * the generator. If it succeeds, it will modify destination |
| 24 * bitmap. | 22 * bitmap. |
| 25 * | 23 * |
| 26 * If generator is NULL, will safely return false. | 24 * If generator is NULL, will safely return false. |
| 27 * | 25 * |
| 28 * If this fails or when the SkDiscardablePixelRef that is | 26 * If this fails or when the SkDiscardablePixelRef that is |
| 29 * installed into destination is destroyed, it will call | 27 * installed into destination is destroyed, it will call |
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| 197 * this returns a new ImageGenerator for it. Otherwise this returns NULL. E
ither way | 195 * this returns a new ImageGenerator for it. Otherwise this returns NULL. E
ither way |
| 198 * the caller is still responsible for managing their ownership of the data
. | 196 * the caller is still responsible for managing their ownership of the data
. |
| 199 */ | 197 */ |
| 200 static SkImageGenerator* NewFromData(SkData*); | 198 static SkImageGenerator* NewFromData(SkData*); |
| 201 | 199 |
| 202 protected: | 200 protected: |
| 203 SkImageGenerator(const SkImageInfo& info) : fInfo(info) {} | 201 SkImageGenerator(const SkImageInfo& info) : fInfo(info) {} |
| 204 | 202 |
| 205 virtual SkData* onRefEncodedData(); | 203 virtual SkData* onRefEncodedData(); |
| 206 | 204 |
| 207 #ifdef SK_SUPPORT_LEGACY_OPTIONLESS_GET_PIXELS | |
| 208 virtual Result onGetPixels(const SkImageInfo& info, | |
| 209 void* pixels, size_t rowBytes, | |
| 210 SkPMColor ctable[], int* ctableCount); | |
| 211 #endif | |
| 212 virtual Result onGetPixels(const SkImageInfo& info, | 205 virtual Result onGetPixels(const SkImageInfo& info, |
| 213 void* pixels, size_t rowBytes, const Options&, | 206 void* pixels, size_t rowBytes, const Options&, |
| 214 SkPMColor ctable[], int* ctableCount); | 207 SkPMColor ctable[], int* ctableCount); |
| 215 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); | 208 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); |
| 216 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], | 209 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], |
| 217 SkYUVColorSpace* colorSpace); | 210 SkYUVColorSpace* colorSpace); |
| 218 | 211 |
| 219 private: | 212 private: |
| 220 const SkImageInfo fInfo; | 213 const SkImageInfo fInfo; |
| 221 }; | 214 }; |
| 222 | 215 |
| 223 #endif // SkImageGenerator_DEFINED | 216 #endif // SkImageGenerator_DEFINED |
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