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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef SKIA_EXT_CANVAS_PAINT_WIN_H_ | 5 #ifndef SKIA_EXT_CANVAS_PAINT_WIN_H_ |
| 6 #define SKIA_EXT_CANVAS_PAINT_WIN_H_ | 6 #define SKIA_EXT_CANVAS_PAINT_WIN_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "skia/ext/canvas_paint_common.h" | 9 #include "skia/ext/canvas_paint_common.h" |
| 10 #include "skia/ext/platform_canvas.h" | 10 #include "skia/ext/platform_canvas.h" |
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| 102 } | 102 } |
| 103 | 103 |
| 104 void init(bool opaque) { | 104 void init(bool opaque) { |
| 105 PlatformCanvas* canvas = GetPlatformCanvas(this); | 105 PlatformCanvas* canvas = GetPlatformCanvas(this); |
| 106 // FIXME(brettw) for ClearType, we probably want to expand the bounds of | 106 // FIXME(brettw) for ClearType, we probably want to expand the bounds of |
| 107 // painting by one pixel so that the boundaries will be correct (ClearType | 107 // painting by one pixel so that the boundaries will be correct (ClearType |
| 108 // text can depend on the adjacent pixel). Then we would paint just the | 108 // text can depend on the adjacent pixel). Then we would paint just the |
| 109 // inset pixels to the screen. | 109 // inset pixels to the screen. |
| 110 const int width = ps_.rcPaint.right - ps_.rcPaint.left; | 110 const int width = ps_.rcPaint.right - ps_.rcPaint.left; |
| 111 const int height = ps_.rcPaint.bottom - ps_.rcPaint.top; | 111 const int height = ps_.rcPaint.bottom - ps_.rcPaint.top; |
| 112 CHECK(canvas->initialize(width, height, opaque, NULL)); | 112 if (!canvas->initialize(width, height, opaque, NULL)) { |
| 113 // Cause a deliberate crash; |
| 114 *(char*) 0 = 0; |
| 115 } |
| 113 | 116 |
| 114 // This will bring the canvas into the screen coordinate system for the | 117 // This will bring the canvas into the screen coordinate system for the |
| 115 // dirty rect | 118 // dirty rect |
| 116 canvas->translate(SkIntToScalar(-ps_.rcPaint.left), | 119 canvas->translate(SkIntToScalar(-ps_.rcPaint.left), |
| 117 SkIntToScalar(-ps_.rcPaint.top)); | 120 SkIntToScalar(-ps_.rcPaint.top)); |
| 118 } | 121 } |
| 119 | 122 |
| 120 // If true, this canvas was created for a BeginPaint. | 123 // If true, this canvas was created for a BeginPaint. |
| 121 const bool for_paint_; | 124 const bool for_paint_; |
| 122 | 125 |
| 123 // Disallow copy and assign. | 126 // Disallow copy and assign. |
| 124 CanvasPaintT(const CanvasPaintT&); | 127 CanvasPaintT(const CanvasPaintT&); |
| 125 CanvasPaintT& operator=(const CanvasPaintT&); | 128 CanvasPaintT& operator=(const CanvasPaintT&); |
| 126 }; | 129 }; |
| 127 | 130 |
| 128 typedef CanvasPaintT<PlatformCanvas> PlatformCanvasPaint; | 131 typedef CanvasPaintT<PlatformCanvas> PlatformCanvasPaint; |
| 129 | 132 |
| 130 } // namespace skia | 133 } // namespace skia |
| 131 | 134 |
| 132 #endif // SKIA_EXT_CANVAS_PAINT_WIN_H_ | 135 #endif // SKIA_EXT_CANVAS_PAINT_WIN_H_ |
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