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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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47 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const { | 47 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const { |
48 return nullptr; | 48 return nullptr; |
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 void onPreroll(GrContext*) const {} | 55 virtual void onPreroll(GrContext*) const {} |
56 | 56 |
57 virtual GrTexture* getTexture() const { return nullptr; } | 57 virtual GrTexture* peekTexture() const { return nullptr; } |
58 | 58 |
59 // return a read-only copy of the pixels. We promise to not modify them, | 59 // return a read-only copy of the pixels. We promise to not modify them, |
60 // but only inspect them (or encode them). | 60 // but only inspect them (or encode them). |
61 virtual bool getROPixels(SkBitmap*) const { return false; } | 61 virtual bool getROPixels(SkBitmap*) const { return false; } |
62 | 62 |
63 virtual SkShader* onNewShader(SkShader::TileMode, | 63 virtual SkShader* onNewShader(SkShader::TileMode, |
64 SkShader::TileMode, | 64 SkShader::TileMode, |
65 const SkMatrix* localMatrix) const { return nu
llptr; } | 65 const SkMatrix* localMatrix) const { return nu
llptr; } |
66 | 66 |
67 // newWidth > 0, newHeight > 0, subset either nullptr or a proper subset of
this bounds | 67 // newWidth > 0, newHeight > 0, subset either nullptr or a proper subset of
this bounds |
68 virtual SkImage* onNewImage(int newWidth, int newHeight, const SkIRect* subs
et, | 68 virtual SkImage* onNewImage(int newWidth, int newHeight, const SkIRect* subs
et, |
69 SkFilterQuality) const; | 69 SkFilterQuality) const; |
70 virtual SkData* onRefEncoded() const { return nullptr; } | 70 virtual SkData* onRefEncoded() const { return nullptr; } |
71 | 71 |
72 virtual bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const; | 72 virtual bool onAsLegacyBitmap(SkBitmap*, LegacyBitmapMode) const; |
73 | 73 |
74 virtual bool onIsLazyGenerated() const { return false; } | 74 virtual bool onIsLazyGenerated() const { return false; } |
75 | 75 |
| 76 // Caller must call unref when they are done. |
| 77 virtual GrTexture* asTextureRef(GrContext*, SkImageUsageType) const { return
nullptr; } |
| 78 |
76 private: | 79 private: |
77 const SkSurfaceProps fProps; | 80 const SkSurfaceProps fProps; |
78 | 81 |
79 typedef SkImage INHERITED; | 82 typedef SkImage INHERITED; |
80 }; | 83 }; |
81 | 84 |
82 static inline SkImage_Base* as_IB(SkImage* image) { | 85 static inline SkImage_Base* as_IB(SkImage* image) { |
83 return static_cast<SkImage_Base*>(image); | 86 return static_cast<SkImage_Base*>(image); |
84 } | 87 } |
85 | 88 |
86 static inline const SkImage_Base* as_IB(const SkImage* image) { | 89 static inline const SkImage_Base* as_IB(const SkImage* image) { |
87 return static_cast<const SkImage_Base*>(image); | 90 return static_cast<const SkImage_Base*>(image); |
88 } | 91 } |
89 | 92 |
90 #endif | 93 #endif |
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