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Side by Side Diff: src/image/SkImagePriv.h

Issue 301283003: Revert "Revert of setConfig -> setInfo (https://codereview.chromium.org/308683005/)" (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: add guard for android Created 6 years, 6 months ago
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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" 11 #include "SkBitmap.h"
12 #include "SkImage.h" 12 #include "SkImage.h"
13 13
14 extern SkBitmap::Config SkImageInfoToBitmapConfig(const SkImageInfo&);
15
16 // Call this if you explicitly want to use/share this pixelRef in the image 14 // Call this if you explicitly want to use/share this pixelRef in the image
17 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*, 15 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*,
18 size_t rowBytes); 16 size_t rowBytes);
19 17
20 /** 18 /**
21 * Examines the bitmap to decide if it can share the existing pixelRef, or 19 * Examines the bitmap to decide if it can share the existing pixelRef, or
22 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will 20 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will
23 * be shared if either the bitmap is marked as immutable, or canSharePixelRef 21 * be shared if either the bitmap is marked as immutable, or canSharePixelRef
24 * is true. 22 * is true.
25 * 23 *
26 * If the bitmap's config cannot be converted into a corresponding 24 * If the bitmap's colortype cannot be converted into a corresponding
27 * SkImageInfo, or the bitmap's pixels cannot be accessed, this will return 25 * SkImageInfo, or the bitmap's pixels cannot be accessed, this will return
28 * NULL. 26 * NULL.
29 */ 27 */
30 extern SkImage* SkNewImageFromBitmap(const SkBitmap&, bool canSharePixelRef); 28 extern SkImage* SkNewImageFromBitmap(const SkBitmap&, bool canSharePixelRef);
31 29
32 static inline size_t SkImageMinRowBytes(const SkImageInfo& info) { 30 static inline size_t SkImageMinRowBytes(const SkImageInfo& info) {
33 return SkAlign4(info.minRowBytes()); 31 return SkAlign4(info.minRowBytes());
34 } 32 }
35 33
36 // Given an image created from SkNewImageFromBitmap, return its pixelref. This 34 // Given an image created from SkNewImageFromBitmap, return its pixelref. This
37 // may be called to see if the surface and the image share the same pixelref, 35 // may be called to see if the surface and the image share the same pixelref,
38 // in which case the surface may need to perform a copy-on-write. 36 // in which case the surface may need to perform a copy-on-write.
39 extern SkPixelRef* SkBitmapImageGetPixelRef(SkImage* rasterImage); 37 extern SkPixelRef* SkBitmapImageGetPixelRef(SkImage* rasterImage);
40 38
41 // Given an image created with NewTexture, return its GrTexture. This 39 // Given an image created with NewTexture, return its GrTexture. This
42 // may be called to see if the surface and the image share the same GrTexture, 40 // may be called to see if the surface and the image share the same GrTexture,
43 // in which case the surface may need to perform a copy-on-write. 41 // in which case the surface may need to perform a copy-on-write.
44 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage); 42 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage);
45 43
46 // Update the texture wrapped by an image created with NewTexture. This 44 // Update the texture wrapped by an image created with NewTexture. This
47 // is called when a surface and image share the same GrTexture and the 45 // is called when a surface and image share the same GrTexture and the
48 // surface needs to perform a copy-on-write 46 // surface needs to perform a copy-on-write
49 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture); 47 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture);
50 48
51 #endif 49 #endif
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