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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_BITMAP_PLATFORM_DEVICE_WIN_H_ | 5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
6 #define SKIA_BITMAP_PLATFORM_DEVICE_WIN_H_ | 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "skia/ext/platform_device_win.h" | 9 #include "skia/ext/platform_device_win.h" |
10 | 10 |
11 namespace skia { | 11 namespace skia { |
12 | 12 |
13 class BitmapPlatformDeviceFactory : public SkDeviceFactory { | 13 class BitmapPlatformDeviceFactory : public SkDeviceFactory { |
14 public: | 14 public: |
15 virtual SkDevice* newDevice(SkCanvas* ignored, SkBitmap::Config config, | 15 virtual SkDevice* newDevice(SkCanvas* ignored, SkBitmap::Config config, |
16 int width, int height, | 16 int width, int height, |
17 bool isOpaque, bool isForLayer); | 17 bool isOpaque, bool isForLayer); |
18 }; | 18 }; |
19 | 19 |
20 // A device is basically a wrapper around SkBitmap that provides a surface for | 20 // A device is basically a wrapper around SkBitmap that provides a surface for |
21 // SkCanvas to draw into. Our device provides a surface Windows can also write | 21 // SkCanvas to draw into. Our device provides a surface Windows can also write |
22 // to. BitmapPlatformDevice creates a bitmap using CreateDIBSection() in a | 22 // to. BitmapPlatformDevice creates a bitmap using CreateDIBSection() in a |
23 // format that Skia supports and can then use this to draw ClearType into, etc. | 23 // format that Skia supports and can then use this to draw ClearType into, etc. |
24 // This pixel data is provided to the bitmap that the device contains so that it | 24 // This pixel data is provided to the bitmap that the device contains so that it |
25 // can be shared. | 25 // can be shared. |
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65 // around to another routine willing to deal with the bitmap data directly. | 65 // around to another routine willing to deal with the bitmap data directly. |
66 BitmapPlatformDevice(const BitmapPlatformDevice& other); | 66 BitmapPlatformDevice(const BitmapPlatformDevice& other); |
67 virtual ~BitmapPlatformDevice(); | 67 virtual ~BitmapPlatformDevice(); |
68 | 68 |
69 // See warning for copy constructor above. | 69 // See warning for copy constructor above. |
70 BitmapPlatformDevice& operator=(const BitmapPlatformDevice& other); | 70 BitmapPlatformDevice& operator=(const BitmapPlatformDevice& other); |
71 | 71 |
72 // Retrieves the bitmap DC, which is the memory DC for our bitmap data. The | 72 // Retrieves the bitmap DC, which is the memory DC for our bitmap data. The |
73 // bitmap DC is lazy created. | 73 // bitmap DC is lazy created. |
74 virtual PlatformSurface BeginPlatformPaint(); | 74 virtual PlatformSurface BeginPlatformPaint(); |
| 75 virtual void EndPlatformPaint(); |
75 | 76 |
76 // Loads the given transform and clipping region into the HDC. This is | 77 // Loads the given transform and clipping region into the HDC. This is |
77 // overridden from SkDevice. | 78 // overridden from SkDevice. |
78 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region, | 79 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region, |
79 const SkClipStack&); | 80 const SkClipStack&); |
80 | 81 |
81 virtual void drawToHDC(HDC dc, int x, int y, const RECT* src_rect); | 82 virtual void drawToHDC(HDC dc, int x, int y, const RECT* src_rect); |
82 virtual void makeOpaque(int x, int y, int width, int height); | 83 virtual void makeOpaque(int x, int y, int width, int height); |
83 virtual bool IsVectorial() { return false; } | 84 virtual bool IsVectorial() { return false; } |
84 | 85 |
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101 // bitmaps used by the base device class are already refcounted and copyable. | 102 // bitmaps used by the base device class are already refcounted and copyable. |
102 class BitmapPlatformDeviceData; | 103 class BitmapPlatformDeviceData; |
103 | 104 |
104 // Private constructor. The data should already be ref'ed for us. | 105 // Private constructor. The data should already be ref'ed for us. |
105 BitmapPlatformDevice(BitmapPlatformDeviceData* data, | 106 BitmapPlatformDevice(BitmapPlatformDeviceData* data, |
106 const SkBitmap& bitmap); | 107 const SkBitmap& bitmap); |
107 | 108 |
108 // Data associated with this device, guaranteed non-null. We hold a reference | 109 // Data associated with this device, guaranteed non-null. We hold a reference |
109 // to this object. | 110 // to this object. |
110 BitmapPlatformDeviceData* data_; | 111 BitmapPlatformDeviceData* data_; |
| 112 |
| 113 #ifdef SK_DEBUG |
| 114 int begin_paint_count_; |
| 115 #endif |
111 }; | 116 }; |
112 | 117 |
113 } // namespace skia | 118 } // namespace skia |
114 | 119 |
115 #endif // SKIA_BITMAP_PLATFORM_DEVICE_WIN_H_ | 120 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
116 | 121 |
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