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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_BITMAP_PLATFORM_DEVICE_WIN_H_ | 5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
| 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ | 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 #include "skia/ext/platform_device.h" | 10 #include "skia/ext/platform_device.h" |
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| 44 // Creates a BitmapPlatformDevice instance respecting the parameters as above. | 44 // Creates a BitmapPlatformDevice instance respecting the parameters as above. |
| 45 // If |is_opaque| is false, then the bitmap is initialzed to 0. | 45 // If |is_opaque| is false, then the bitmap is initialzed to 0. |
| 46 static BitmapPlatformDevice* CreateAndClear(int width, int height, | 46 static BitmapPlatformDevice* CreateAndClear(int width, int height, |
| 47 bool is_opaque); | 47 bool is_opaque); |
| 48 | 48 |
| 49 virtual ~BitmapPlatformDevice(); | 49 virtual ~BitmapPlatformDevice(); |
| 50 | 50 |
| 51 // PlatformDevice overrides | 51 // PlatformDevice overrides |
| 52 // Retrieves the bitmap DC, which is the memory DC for our bitmap data. The | 52 // Retrieves the bitmap DC, which is the memory DC for our bitmap data. The |
| 53 // bitmap DC is lazy created. | 53 // bitmap DC is lazy created. |
| 54 virtual PlatformSurface BeginPlatformPaint() OVERRIDE; | 54 virtual PlatformSurface BeginPlatformPaint() override; |
| 55 virtual void EndPlatformPaint() OVERRIDE; | 55 virtual void EndPlatformPaint() override; |
| 56 | 56 |
| 57 virtual void DrawToNativeContext(HDC dc, int x, int y, | 57 virtual void DrawToNativeContext(HDC dc, int x, int y, |
| 58 const RECT* src_rect) OVERRIDE; | 58 const RECT* src_rect) override; |
| 59 | 59 |
| 60 // Loads the given transform and clipping region into the HDC. This is | 60 // Loads the given transform and clipping region into the HDC. This is |
| 61 // overridden from SkBaseDevice. | 61 // overridden from SkBaseDevice. |
| 62 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region, | 62 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region, |
| 63 const SkClipStack&) OVERRIDE; | 63 const SkClipStack&) override; |
| 64 | 64 |
| 65 protected: | 65 protected: |
| 66 // Flushes the Windows device context so that the pixel data can be accessed | 66 // Flushes the Windows device context so that the pixel data can be accessed |
| 67 // directly by Skia. Overridden from SkBaseDevice, this is called when Skia | 67 // directly by Skia. Overridden from SkBaseDevice, this is called when Skia |
| 68 // starts accessing pixel data. | 68 // starts accessing pixel data. |
| 69 virtual const SkBitmap& onAccessBitmap() OVERRIDE; | 69 virtual const SkBitmap& onAccessBitmap() override; |
| 70 | 70 |
| 71 virtual SkBaseDevice* onCreateDevice(const SkImageInfo& info, | 71 virtual SkBaseDevice* onCreateDevice(const SkImageInfo& info, |
| 72 Usage usage) OVERRIDE; | 72 Usage usage) override; |
| 73 | 73 |
| 74 private: | 74 private: |
| 75 // Private constructor. | 75 // Private constructor. |
| 76 BitmapPlatformDevice(HBITMAP hbitmap, const SkBitmap& bitmap); | 76 BitmapPlatformDevice(HBITMAP hbitmap, const SkBitmap& bitmap); |
| 77 | 77 |
| 78 // Bitmap into which the drawing will be done. This bitmap not owned by this | 78 // Bitmap into which the drawing will be done. This bitmap not owned by this |
| 79 // class, but by the BitmapPlatformPixelRef inside the device's SkBitmap. | 79 // class, but by the BitmapPlatformPixelRef inside the device's SkBitmap. |
| 80 // It's only stored here in order to lazy-create the DC (below). | 80 // It's only stored here in order to lazy-create the DC (below). |
| 81 HBITMAP hbitmap_; | 81 HBITMAP hbitmap_; |
| 82 | 82 |
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| 117 #ifdef SK_DEBUG | 117 #ifdef SK_DEBUG |
| 118 int begin_paint_count_; | 118 int begin_paint_count_; |
| 119 #endif | 119 #endif |
| 120 | 120 |
| 121 DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice); | 121 DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice); |
| 122 }; | 122 }; |
| 123 | 123 |
| 124 } // namespace skia | 124 } // namespace skia |
| 125 | 125 |
| 126 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ | 126 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
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