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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 SkImage_Base_DEFINED | 8 #ifndef SkImage_Base_DEFINED |
9 #define SkImage_Base_DEFINED | 9 #define SkImage_Base_DEFINED |
10 | 10 |
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22 | 22 |
23 class SkImage_Base : public SkImage { | 23 class SkImage_Base : public SkImage { |
24 public: | 24 public: |
25 SkImage_Base(int width, int height, uint32_t uniqueID); | 25 SkImage_Base(int width, int height, uint32_t uniqueID); |
26 virtual ~SkImage_Base(); | 26 virtual ~SkImage_Base(); |
27 | 27 |
28 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const {
return nullptr; } | 28 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const {
return nullptr; } |
29 | 29 |
30 // Default impl calls onDraw | 30 // Default impl calls onDraw |
31 virtual bool onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_
t dstRowBytes, | 31 virtual bool onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_
t dstRowBytes, |
32 int srcX, int srcY) const; | 32 int srcX, int srcY, CachingHint) const; |
33 | 33 |
34 virtual GrTexture* peekTexture() const { return nullptr; } | 34 virtual GrTexture* peekTexture() const { return nullptr; } |
35 | 35 |
36 // return a read-only copy of the pixels. We promise to not modify them, | 36 // return a read-only copy of the pixels. We promise to not modify them, |
37 // but only inspect them (or encode them). | 37 // but only inspect them (or encode them). |
38 virtual bool getROPixels(SkBitmap*) const = 0; | 38 virtual bool getROPixels(SkBitmap*, CachingHint = kAllow_CachingHint) const
= 0; |
39 | 39 |
40 virtual SkImage* onApplyFilter(SkImageFilter*, SkIPoint* offset, | 40 virtual SkImage* onApplyFilter(SkImageFilter*, SkIPoint* offset, |
41 bool forceResultToOriginalSize) const; | 41 bool forceResultToOriginalSize) const; |
42 | 42 |
43 virtual SkSurface* onNewSurface(const SkImageInfo& info) const { | 43 virtual SkSurface* onNewSurface(const SkImageInfo& info) const { |
44 return SkSurface::NewRaster(info); | 44 return SkSurface::NewRaster(info); |
45 } | 45 } |
46 | 46 |
47 // Caller must call unref when they are done. | 47 // Caller must call unref when they are done. |
48 virtual GrTexture* asTextureRef(GrContext*, const GrTextureParams&) const =
0; | 48 virtual GrTexture* asTextureRef(GrContext*, const GrTextureParams&) const =
0; |
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70 | 70 |
71 static inline SkImage_Base* as_IB(SkImage* image) { | 71 static inline SkImage_Base* as_IB(SkImage* image) { |
72 return static_cast<SkImage_Base*>(image); | 72 return static_cast<SkImage_Base*>(image); |
73 } | 73 } |
74 | 74 |
75 static inline const SkImage_Base* as_IB(const SkImage* image) { | 75 static inline const SkImage_Base* as_IB(const SkImage* image) { |
76 return static_cast<const SkImage_Base*>(image); | 76 return static_cast<const SkImage_Base*>(image); |
77 } | 77 } |
78 | 78 |
79 #endif | 79 #endif |
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