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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_IMAGE_GENERATOR_RETURN | 18 //#define SK_SUPPORT_LEGACY_GET_PIXELS_ENUM |
| 19 |
| 20 #ifdef SK_SUPPORT_LEGACY_GET_PIXELS_ENUM |
| 21 #define onGetPixelsEnum onGetPixels |
| 22 #endif |
19 | 23 |
20 /** | 24 /** |
21 * Takes ownership of SkImageGenerator. If this method fails for | 25 * Takes ownership of SkImageGenerator. If this method fails for |
22 * whatever reason, it will return false and immediatetely delete | 26 * whatever reason, it will return false and immediatetely delete |
23 * the generator. If it succeeds, it will modify destination | 27 * the generator. If it succeeds, it will modify destination |
24 * bitmap. | 28 * bitmap. |
25 * | 29 * |
26 * If generator is NULL, will safely return false. | 30 * If generator is NULL, will safely return false. |
27 * | 31 * |
28 * If this fails or when the SkDiscardablePixelRef that is | 32 * If this fails or when the SkDiscardablePixelRef that is |
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172 /** | 176 /** |
173 * If the default image decoder system can interpret the specified (encoded
) data, then | 177 * If the default image decoder system can interpret the specified (encoded
) data, then |
174 * this returns a new ImageGenerator for it. Otherwise this returns NULL. E
ither way | 178 * this returns a new ImageGenerator for it. Otherwise this returns NULL. E
ither way |
175 * the caller is still responsible for managing their ownership of the data
. | 179 * the caller is still responsible for managing their ownership of the data
. |
176 */ | 180 */ |
177 static SkImageGenerator* NewFromData(SkData*); | 181 static SkImageGenerator* NewFromData(SkData*); |
178 | 182 |
179 protected: | 183 protected: |
180 virtual SkData* onRefEncodedData(); | 184 virtual SkData* onRefEncodedData(); |
181 virtual bool onGetInfo(SkImageInfo* info); | 185 virtual bool onGetInfo(SkImageInfo* info); |
182 #ifdef SK_SUPPORT_LEGACY_IMAGE_GENERATOR_RETURN | 186 virtual Result onGetPixels(const SkImageInfo& info, |
183 virtual bool onGetPixels(const SkImageInfo& info, | 187 void* pixels, size_t rowBytes, |
184 void* pixels, size_t rowBytes, | 188 SkPMColor ctable[], int* ctableCount); |
185 SkPMColor ctable[], int* ctableCount); | |
186 #endif | |
187 // TODO (scroggo): rename to onGetPixels. | |
188 virtual Result onGetPixelsEnum(const SkImageInfo& info, | |
189 void* pixels, size_t rowBytes, | |
190 SkPMColor ctable[], int* ctableCount); | |
191 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); | 189 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); |
192 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], | 190 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], |
193 SkYUVColorSpace* colorSpace); | 191 SkYUVColorSpace* colorSpace); |
194 }; | 192 }; |
195 | 193 |
196 #endif // SkImageGenerator_DEFINED | 194 #endif // SkImageGenerator_DEFINED |
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