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| 1 /* |
| 2 * Copyright 2014 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef SkImageGeneratorPriv_DEFINED |
| 9 #define SkImageGeneratorPriv_DEFINED |
| 10 |
| 11 #include "SkImageGenerator.h" |
| 12 #include "SkDiscardableMemory.h" |
| 13 |
| 14 /** |
| 15 * Takes ownership of SkImageGenerator. If this method fails for |
| 16 * whatever reason, it will return false and immediatetely delete |
| 17 * the generator. If it succeeds, it will modify destination |
| 18 * bitmap. |
| 19 * |
| 20 * If generator is NULL, will safely return false. |
| 21 * |
| 22 * If this fails or when the SkDiscardablePixelRef that is |
| 23 * installed into destination is destroyed, it will call |
| 24 * SkDELETE() on the generator. Therefore, generator should be |
| 25 * allocated with SkNEW() or SkNEW_ARGS(). |
| 26 * |
| 27 * @param destination Upon success, this bitmap will be |
| 28 * configured and have a pixelref installed. |
| 29 * |
| 30 * @param factory If not NULL, this object will be used as a |
| 31 * source of discardable memory when decoding. If NULL, then |
| 32 * SkDiscardableMemory::Create() will be called. |
| 33 * |
| 34 * @return true iff successful. |
| 35 */ |
| 36 bool SkInstallDiscardablePixelRef(SkImageGenerator*, SkBitmap* destination, |
| 37 SkDiscardableMemory::Factory* factory); |
| 38 |
| 39 #endif |
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