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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 SkSurface_Base_DEFINED | 8 #ifndef SkSurface_Base_DEFINED |
9 #define SkSurface_Base_DEFINED | 9 #define SkSurface_Base_DEFINED |
10 | 10 |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
12 #include "SkSurface.h" | 12 #include "SkSurface.h" |
13 #include "SkSurfacePriv.h" | 13 #include "SkSurfacePriv.h" |
14 | 14 |
15 class SkSurface_Base : public SkSurface { | 15 class SkSurface_Base : public SkSurface { |
16 public: | 16 public: |
17 SkSurface_Base(int width, int height, const SkSurfaceProps*); | 17 SkSurface_Base(int width, int height, const SkSurfaceProps*); |
18 SkSurface_Base(const SkImageInfo&, const SkSurfaceProps*); | 18 SkSurface_Base(const SkImageInfo&, const SkSurfaceProps*); |
19 virtual ~SkSurface_Base(); | 19 virtual ~SkSurface_Base(); |
20 | 20 |
| 21 virtual GrBackendObject onGetTextureHandle(TextureHandleAccess) { |
| 22 return 0; |
| 23 } |
| 24 |
21 /** | 25 /** |
22 * Allocate a canvas that will draw into this surface. We will cache this | 26 * Allocate a canvas that will draw into this surface. We will cache this |
23 * canvas, to return the same object to the caller multiple times. We | 27 * canvas, to return the same object to the caller multiple times. We |
24 * take ownership, and will call unref() on the canvas when we go out of | 28 * take ownership, and will call unref() on the canvas when we go out of |
25 * scope. | 29 * scope. |
26 */ | 30 */ |
27 virtual SkCanvas* onNewCanvas() = 0; | 31 virtual SkCanvas* onNewCanvas() = 0; |
28 | 32 |
29 virtual SkSurface* onNewSurface(const SkImageInfo&) = 0; | 33 virtual SkSurface* onNewSurface(const SkImageInfo&) = 0; |
30 | 34 |
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89 | 93 |
90 SkImage* SkSurface_Base::getCachedImage(Budgeted budgeted) { | 94 SkImage* SkSurface_Base::getCachedImage(Budgeted budgeted) { |
91 if (NULL == fCachedImage) { | 95 if (NULL == fCachedImage) { |
92 fCachedImage = this->onNewImageSnapshot(budgeted); | 96 fCachedImage = this->onNewImageSnapshot(budgeted); |
93 SkASSERT(!fCachedCanvas || fCachedCanvas->getSurfaceBase() == this); | 97 SkASSERT(!fCachedCanvas || fCachedCanvas->getSurfaceBase() == this); |
94 } | 98 } |
95 return fCachedImage; | 99 return fCachedImage; |
96 } | 100 } |
97 | 101 |
98 #endif | 102 #endif |
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