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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 "SkSurface.h" |
11 #include "SkCanvas.h" | 12 #include "SkCanvas.h" |
12 #include "SkSurface.h" | |
13 #include "SkSurfacePriv.h" | |
14 | 13 |
15 class SkSurface_Base : public SkSurface { | 14 class SkSurface_Base : public SkSurface { |
16 public: | 15 public: |
17 SkSurface_Base(int width, int height, const SkSurfaceProps*); | 16 SkSurface_Base(int width, int height); |
18 SkSurface_Base(const SkImageInfo&, const SkSurfaceProps*); | 17 explicit SkSurface_Base(const SkImageInfo&); |
19 virtual ~SkSurface_Base(); | 18 virtual ~SkSurface_Base(); |
20 | 19 |
21 /** | 20 /** |
22 * Allocate a canvas that will draw into this surface. We will cache this | 21 * 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 | 22 * 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 | 23 * take ownership, and will call unref() on the canvas when we go out of |
25 * scope. | 24 * scope. |
26 */ | 25 */ |
27 virtual SkCanvas* onNewCanvas() = 0; | 26 virtual SkCanvas* onNewCanvas() = 0; |
28 | 27 |
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89 | 88 |
90 SkImage* SkSurface_Base::getCachedImage() { | 89 SkImage* SkSurface_Base::getCachedImage() { |
91 if (NULL == fCachedImage) { | 90 if (NULL == fCachedImage) { |
92 fCachedImage = this->onNewImageSnapshot(); | 91 fCachedImage = this->onNewImageSnapshot(); |
93 SkASSERT(!fCachedCanvas || fCachedCanvas->getSurfaceBase() == this); | 92 SkASSERT(!fCachedCanvas || fCachedCanvas->getSurfaceBase() == this); |
94 } | 93 } |
95 return fCachedImage; | 94 return fCachedImage; |
96 } | 95 } |
97 | 96 |
98 #endif | 97 #endif |
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