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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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49 } | 49 } |
50 | 50 |
51 // Default impl calls onDraw | 51 // Default impl calls onDraw |
52 virtual bool onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_
t dstRowBytes, | 52 virtual bool onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_
t dstRowBytes, |
53 int srcX, int srcY) const; | 53 int srcX, int srcY) const; |
54 | 54 |
55 virtual GrTexture* peekTexture() const { return nullptr; } | 55 virtual GrTexture* peekTexture() const { return nullptr; } |
56 | 56 |
57 // return a read-only copy of the pixels. We promise to not modify them, | 57 // return a read-only copy of the pixels. We promise to not modify them, |
58 // but only inspect them (or encode them). | 58 // but only inspect them (or encode them). |
59 virtual bool getROPixels(SkBitmap*) const { return false; } | 59 virtual bool getROPixels(SkBitmap*) const = 0; |
| 60 |
| 61 // Caller must call unref when they are done. |
| 62 virtual GrTexture* asTextureRef(GrContext*, SkImageUsageType) const = 0; |
60 | 63 |
61 virtual SkShader* onNewShader(SkShader::TileMode, | 64 virtual SkShader* onNewShader(SkShader::TileMode, |
62 SkShader::TileMode, | 65 SkShader::TileMode, |
63 const SkMatrix* localMatrix) const { return nu
llptr; } | 66 const SkMatrix* localMatrix) const { return nu
llptr; } |
64 | 67 |
65 // newWidth > 0, newHeight > 0, subset either nullptr or a proper subset of
this bounds | 68 // newWidth > 0, newHeight > 0, subset either nullptr or a proper subset of
this bounds |
66 virtual SkImage* onNewImage(int newWidth, int newHeight, const SkIRect* subs
et, | 69 virtual SkImage* onNewImage(int newWidth, int newHeight, const SkIRect* subs
et, |
67 SkFilterQuality) const; | 70 SkFilterQuality) const; |
68 virtual SkData* onRefEncoded() const { return nullptr; } | 71 virtual SkData* onRefEncoded() const { return nullptr; } |
69 | 72 |
70 virtual bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const; | 73 virtual bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const; |
71 | 74 |
72 virtual bool onIsLazyGenerated() const { return false; } | 75 virtual bool onIsLazyGenerated() const { return false; } |
73 | 76 |
74 // Caller must call unref when they are done. | |
75 virtual GrTexture* asTextureRef(GrContext*, SkImageUsageType) const { return
nullptr; } | |
76 | |
77 private: | 77 private: |
78 const SkSurfaceProps fProps; | 78 const SkSurfaceProps fProps; |
79 | 79 |
80 typedef SkImage INHERITED; | 80 typedef SkImage INHERITED; |
81 }; | 81 }; |
82 | 82 |
83 static inline SkImage_Base* as_IB(SkImage* image) { | 83 static inline SkImage_Base* as_IB(SkImage* image) { |
84 return static_cast<SkImage_Base*>(image); | 84 return static_cast<SkImage_Base*>(image); |
85 } | 85 } |
86 | 86 |
87 static inline const SkImage_Base* as_IB(const SkImage* image) { | 87 static inline const SkImage_Base* as_IB(const SkImage* image) { |
88 return static_cast<const SkImage_Base*>(image); | 88 return static_cast<const SkImage_Base*>(image); |
89 } | 89 } |
90 | 90 |
91 #endif | 91 #endif |
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