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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkImagePriv_DEFINED | 8 #ifndef SkImagePriv_DEFINED |
9 #define SkImagePriv_DEFINED | 9 #define SkImagePriv_DEFINED |
10 | 10 |
11 #include "SkBitmap.h" | |
12 #include "SkImage.h" | 11 #include "SkImage.h" |
13 | 12 |
14 // Call this if you explicitly want to use/share this pixelRef in the image | 13 // Call this if you explicitly want to use/share this pixelRef in the image |
15 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*, | 14 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*, |
16 size_t rowBytes); | 15 size_t rowBytes); |
17 | 16 |
18 /** | 17 /** |
19 * Examines the bitmap to decide if it can share the existing pixelRef, or | 18 * Examines the bitmap to decide if it can share the existing pixelRef, or |
20 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will | 19 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will |
21 * be shared if either the bitmap is marked as immutable, or canSharePixelRef | 20 * be shared if either the bitmap is marked as immutable, or canSharePixelRef |
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40 // may be called to see if the surface and the image share the same GrTexture, | 39 // may be called to see if the surface and the image share the same GrTexture, |
41 // in which case the surface may need to perform a copy-on-write. | 40 // in which case the surface may need to perform a copy-on-write. |
42 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage); | 41 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage); |
43 | 42 |
44 // Update the texture wrapped by an image created with NewTexture. This | 43 // Update the texture wrapped by an image created with NewTexture. This |
45 // is called when a surface and image share the same GrTexture and the | 44 // is called when a surface and image share the same GrTexture and the |
46 // surface needs to perform a copy-on-write | 45 // surface needs to perform a copy-on-write |
47 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture); | 46 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture); |
48 | 47 |
49 #endif | 48 #endif |
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