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| 1 // Copyright (c) 2009 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_BITMAP_PLATFORM_DEVICE_LINUX_H_ | 5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_LINUX_H_ |
| 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_LINUX_H_ | 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_LINUX_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/ref_counted.h" | 9 #include "base/ref_counted.h" |
| 10 #include "skia/ext/platform_device_linux.h" | 10 #include "skia/ext/platform_device_linux.h" |
| 11 | 11 |
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| 59 // | 59 // |
| 60 // This is all quite ok for test_shell. In the future we will want to use | 60 // This is all quite ok for test_shell. In the future we will want to use |
| 61 // shared memory between the renderer and the main process at least. In this | 61 // shared memory between the renderer and the main process at least. In this |
| 62 // case we'll probably create the buffer from a precreated region of memory. | 62 // case we'll probably create the buffer from a precreated region of memory. |
| 63 // ----------------------------------------------------------------------------- | 63 // ----------------------------------------------------------------------------- |
| 64 class BitmapPlatformDevice : public PlatformDevice { | 64 class BitmapPlatformDevice : public PlatformDevice { |
| 65 // A reference counted cairo surface | 65 // A reference counted cairo surface |
| 66 class BitmapPlatformDeviceData; | 66 class BitmapPlatformDeviceData; |
| 67 | 67 |
| 68 public: | 68 public: |
| 69 static BitmapPlatformDevice* Create(int width, int height, bool is_opaque); | |
| 70 | |
| 71 // This doesn't take ownership of |data| | |
| 72 static BitmapPlatformDevice* Create(int width, int height, | |
| 73 bool is_opaque, uint8_t* data); | |
| 74 | |
| 75 // Create a BitmapPlatformDeviceLinux from an already constructed bitmap; | 69 // Create a BitmapPlatformDeviceLinux from an already constructed bitmap; |
| 76 // you should probably be using Create(). This may become private later if | 70 // you should probably be using Create(). This may become private later if |
| 77 // we ever have to share state between some native drawing UI and Skia, like | 71 // we ever have to share state between some native drawing UI and Skia, like |
| 78 // the Windows and Mac versions of this class do. | 72 // the Windows and Mac versions of this class do. |
| 79 // | 73 // |
| 80 // This object takes ownership of @data. | 74 // This object takes ownership of @data. |
| 81 BitmapPlatformDevice(const SkBitmap& other, BitmapPlatformDeviceData* data); | 75 BitmapPlatformDevice(const SkBitmap& other, BitmapPlatformDeviceData* data); |
| 82 virtual ~BitmapPlatformDevice(); | |
| 83 BitmapPlatformDevice& operator=(const BitmapPlatformDevice& other); | |
| 84 | 76 |
| 85 // A stub copy constructor. Needs to be properly implemented. | 77 // A stub copy constructor. Needs to be properly implemented. |
| 86 BitmapPlatformDevice(const BitmapPlatformDevice& other); | 78 BitmapPlatformDevice(const BitmapPlatformDevice& other); |
| 87 | 79 |
| 88 virtual SkDeviceFactory* getDeviceFactory(); | 80 virtual ~BitmapPlatformDevice(); |
| 81 |
| 82 BitmapPlatformDevice& operator=(const BitmapPlatformDevice& other); |
| 83 |
| 84 static BitmapPlatformDevice* Create(int width, int height, bool is_opaque); |
| 85 |
| 86 // This doesn't take ownership of |data| |
| 87 static BitmapPlatformDevice* Create(int width, int height, |
| 88 bool is_opaque, uint8_t* data); |
| 89 | 89 |
| 90 virtual void makeOpaque(int x, int y, int width, int height); | 90 virtual void makeOpaque(int x, int y, int width, int height); |
| 91 | 91 |
| 92 // Bitmaps aren't vector graphics. | 92 // Overridden from SkDevice: |
| 93 virtual SkDeviceFactory* getDeviceFactory(); |
| 94 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region); |
| 95 |
| 96 // Overridden from PlatformDevice: |
| 93 virtual bool IsVectorial(); | 97 virtual bool IsVectorial(); |
| 94 | |
| 95 // If someone wants to paint on a Cairo surface version of our | |
| 96 // buffer, then give them the surface we're already using. | |
| 97 virtual cairo_t* beginPlatformPaint(); | 98 virtual cairo_t* beginPlatformPaint(); |
| 98 | 99 |
| 99 // Loads the given transform and clipping region into the HDC. This is | |
| 100 // overridden from SkDevice. | |
| 101 virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region); | |
| 102 | |
| 103 private: | 100 private: |
| 104 static BitmapPlatformDevice* Create(int width, int height, bool is_opaque, | 101 static BitmapPlatformDevice* Create(int width, int height, bool is_opaque, |
| 105 cairo_surface_t* surface); | 102 cairo_surface_t* surface); |
| 106 | 103 |
| 107 scoped_refptr<BitmapPlatformDeviceData> data_; | 104 scoped_refptr<BitmapPlatformDeviceData> data_; |
| 108 }; | 105 }; |
| 109 | 106 |
| 110 } // namespace skia | 107 } // namespace skia |
| 111 | 108 |
| 112 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_LINUX_H_ | 109 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_LINUX_H_ |
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