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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_DEFINED | 8 #ifndef SkSurface_DEFINED |
| 9 #define SkSurface_DEFINED | 9 #define SkSurface_DEFINED |
| 10 | 10 |
| 11 #include "SkRefCnt.h" | 11 #include "SkRefCnt.h" |
| 12 #include "SkImage.h" | 12 #include "SkImage.h" |
| 13 | 13 |
| 14 class SkCanvas; | 14 class SkCanvas; |
| 15 class SkPaint; | 15 class SkPaint; |
| 16 class GrContext; | 16 class GrContext; |
| 17 class GrRenderTarget; | 17 class GrRenderTarget; |
| 18 | 18 |
| 19 //#define SK_SUPPORT_LEGACY_NEWRENDERTARGETDIRECT | |
| 20 | |
| 21 /** | 19 /** |
| 22 * SkSurface represents the backend/results of drawing to a canvas. For raster | 20 * SkSurface represents the backend/results of drawing to a canvas. For raster |
| 23 * drawing, the surface will be pixels, but (for example) when drawing into | 21 * drawing, the surface will be pixels, but (for example) when drawing into |
| 24 * a PDF or Picture canvas, the surface stores the recorded commands. | 22 * a PDF or Picture canvas, the surface stores the recorded commands. |
| 25 * | 23 * |
| 26 * To draw into a canvas, first create the appropriate type of Surface, and | 24 * To draw into a canvas, first create the appropriate type of Surface, and |
| 27 * then request the canvas from the surface. | 25 * then request the canvas from the surface. |
| 28 */ | 26 */ |
| 29 class SK_API SkSurface : public SkRefCnt { | 27 class SK_API SkSurface : public SkRefCnt { |
| 30 public: | 28 public: |
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| 65 * When this surface is drawn into another canvas, its contents will be | 63 * When this surface is drawn into another canvas, its contents will be |
| 66 * "replayed" into that canvas. | 64 * "replayed" into that canvas. |
| 67 */ | 65 */ |
| 68 static SkSurface* NewPicture(int width, int height); | 66 static SkSurface* NewPicture(int width, int height); |
| 69 | 67 |
| 70 /** | 68 /** |
| 71 * Return a new surface using the specified render target. | 69 * Return a new surface using the specified render target. |
| 72 */ | 70 */ |
| 73 static SkSurface* NewRenderTargetDirect(GrRenderTarget*); | 71 static SkSurface* NewRenderTargetDirect(GrRenderTarget*); |
| 74 | 72 |
| 75 #ifdef SK_SUPPORT_LEGACY_NEWRENDERTARGETDIRECT | |
| 76 /** | |
| 77 * DEPRECATED -- call the single argument version (just rendertarget) | |
| 78 * Return a new surface using the specified render target. | |
| 79 */ | |
| 80 static SkSurface* NewRenderTargetDirect(GrContext*, GrRenderTarget*); | |
| 81 #endif | |
| 82 | |
| 83 /** | 73 /** |
| 84 * Return a new surface whose contents will be drawn to an offscreen | 74 * Return a new surface whose contents will be drawn to an offscreen |
| 85 * render target, allocated by the surface. | 75 * render target, allocated by the surface. |
| 86 */ | 76 */ |
| 87 static SkSurface* NewRenderTarget(GrContext*, const SkImageInfo&, int sample
Count = 0); | 77 static SkSurface* NewRenderTarget(GrContext*, const SkImageInfo&, int sample
Count = 0); |
| 88 | 78 |
| 89 int width() const { return fWidth; } | 79 int width() const { return fWidth; } |
| 90 int height() const { return fHeight; } | 80 int height() const { return fHeight; } |
| 91 | 81 |
| 92 /** | 82 /** |
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| 172 | 162 |
| 173 private: | 163 private: |
| 174 const int fWidth; | 164 const int fWidth; |
| 175 const int fHeight; | 165 const int fHeight; |
| 176 uint32_t fGenerationID; | 166 uint32_t fGenerationID; |
| 177 | 167 |
| 178 typedef SkRefCnt INHERITED; | 168 typedef SkRefCnt INHERITED; |
| 179 }; | 169 }; |
| 180 | 170 |
| 181 #endif | 171 #endif |
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