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1 /* | 1 /* |
2 * Copyright 2008 The Android Open Source Project | 2 * Copyright 2008 The Android Open Source Project |
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 SkPixelRef_DEFINED | 8 #ifndef SkPixelRef_DEFINED |
9 #define SkPixelRef_DEFINED | 9 #define SkPixelRef_DEFINED |
10 | 10 |
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306 * For pixelrefs that don't have access to their raw pixels, they may be | 306 * For pixelrefs that don't have access to their raw pixels, they may be |
307 * able to make a copy of them (e.g. if the pixels are on the GPU). | 307 * able to make a copy of them (e.g. if the pixels are on the GPU). |
308 * | 308 * |
309 * The base class implementation returns false; | 309 * The base class implementation returns false; |
310 */ | 310 */ |
311 virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subsetOrNull); | 311 virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subsetOrNull); |
312 | 312 |
313 // default impl returns NULL. | 313 // default impl returns NULL. |
314 virtual SkData* onRefEncodedData(); | 314 virtual SkData* onRefEncodedData(); |
315 | 315 |
| 316 // default impl does nothing. |
| 317 virtual void onNotifyPixelsChanged(); |
| 318 |
316 // default impl returns false. | 319 // default impl returns false. |
317 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], | 320 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], |
318 SkYUVColorSpace* colorSpace); | 321 SkYUVColorSpace* colorSpace); |
319 | 322 |
320 /** | 323 /** |
321 * Returns the size (in bytes) of the internally allocated memory. | 324 * Returns the size (in bytes) of the internally allocated memory. |
322 * This should be implemented in all serializable SkPixelRef derived classe
s. | 325 * This should be implemented in all serializable SkPixelRef derived classe
s. |
323 * SkBitmap::fPixelRefOffset + SkBitmap::getSafeSize() should never overflo
w this value, | 326 * SkBitmap::fPixelRefOffset + SkBitmap::getSafeSize() should never overflo
w this value, |
324 * otherwise the rendering code may attempt to read memory out of bounds. | 327 * otherwise the rendering code may attempt to read memory out of bounds. |
325 * | 328 * |
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388 /** | 391 /** |
389 * Allocate a new pixelref matching the specified ImageInfo, allocating | 392 * Allocate a new pixelref matching the specified ImageInfo, allocating |
390 * the memory for the pixels. If the ImageInfo requires a ColorTable, | 393 * the memory for the pixels. If the ImageInfo requires a ColorTable, |
391 * the pixelref will ref() the colortable. | 394 * the pixelref will ref() the colortable. |
392 * On failure return NULL. | 395 * On failure return NULL. |
393 */ | 396 */ |
394 virtual SkPixelRef* create(const SkImageInfo&, size_t rowBytes, SkColorTable
*) = 0; | 397 virtual SkPixelRef* create(const SkImageInfo&, size_t rowBytes, SkColorTable
*) = 0; |
395 }; | 398 }; |
396 | 399 |
397 #endif | 400 #endif |
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