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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 |
11 #include "SkImage.h" | 11 #include "SkImage.h" |
12 | 12 |
13 class SkImage_Base : public SkImage { | 13 class SkImage_Base : public SkImage { |
14 public: | 14 public: |
15 SkImage_Base(int width, int height) : INHERITED(width, height) {} | 15 SkImage_Base(int width, int height) : INHERITED(width, height) {} |
16 | 16 |
17 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) = 0; | 17 virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const
= 0; |
18 virtual void onDrawRectToRect(SkCanvas*, const SkRect* src, | 18 virtual void onDrawRectToRect(SkCanvas*, const SkRect* src, |
19 const SkRect& dst, const SkPaint*) = 0; | 19 const SkRect& dst, const SkPaint*) const = 0; |
20 | 20 |
21 // Default impl calls onDraw | 21 // Default impl calls onDraw |
22 virtual bool onReadPixels(SkBitmap*, const SkIRect& subset) const; | 22 virtual bool onReadPixels(SkBitmap*, const SkIRect& subset) const; |
23 | 23 |
24 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const { | 24 virtual const void* onPeekPixels(SkImageInfo*, size_t* /*rowBytes*/) const { |
25 return NULL; | 25 return NULL; |
26 } | 26 } |
27 | 27 |
28 virtual GrTexture* onGetTexture() { return NULL; } | 28 virtual GrTexture* onGetTexture() const { return NULL; } |
29 | 29 |
30 // return a read-only copy of the pixels. We promise to not modify them, | 30 // return a read-only copy of the pixels. We promise to not modify them, |
31 // but only inspect them (or encode them). | 31 // but only inspect them (or encode them). |
32 virtual bool getROPixels(SkBitmap*) const { return false; } | 32 virtual bool getROPixels(SkBitmap*) const { return false; } |
33 | 33 |
34 virtual SkShader* onNewShader(SkShader::TileMode, | 34 virtual SkShader* onNewShader(SkShader::TileMode, |
35 SkShader::TileMode, | 35 SkShader::TileMode, |
36 const SkMatrix* localMatrix) const { return NU
LL; }; | 36 const SkMatrix* localMatrix) const { return NU
LL; }; |
37 private: | 37 private: |
38 typedef SkImage INHERITED; | 38 typedef SkImage INHERITED; |
39 }; | 39 }; |
40 | 40 |
41 #endif | 41 #endif |
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