OLD | NEW |
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/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "skia/ext/platform_device.h" | 10 #include "skia/ext/platform_device.h" |
11 | 11 |
12 namespace skia { | 12 namespace skia { |
13 | 13 |
14 class ScopedPlatformPaint; | 14 class ScopedPlatformPaint; |
15 | 15 |
16 // A device is basically a wrapper around SkBitmap that provides a surface for | 16 // A device is basically a wrapper around SkBitmap that provides a surface for |
17 // SkCanvas to draw into. Our device provides a surface Windows can also write | 17 // SkCanvas to draw into. Our device provides a surface Windows can also write |
18 // to. BitmapPlatformDevice creates a bitmap using CreateDIBSection() in a | 18 // to. BitmapPlatformDevice creates a bitmap using CreateDIBSection() in a |
19 // format that Skia supports and can then use this to draw ClearType into, etc. | 19 // format that Skia supports and can then use this to draw ClearType into, etc. |
20 // This pixel data is provided to the bitmap that the device contains so that it | 20 // This pixel data is provided to the bitmap that the device contains so that it |
21 // can be shared. | 21 // can be shared. |
22 class SK_API BitmapPlatformDevice : public SkBitmapDevice, public PlatformDevice
{ | 22 class SK_API BitmapPlatformDevice : public SkBitmapDevice, |
| 23 public PlatformDevice { |
23 public: | 24 public: |
24 // Factory function. is_opaque should be set if the caller knows the bitmap | 25 // Factory function. is_opaque should be set if the caller knows the bitmap |
25 // will be completely opaque and allows some optimizations. | 26 // will be completely opaque and allows some optimizations. |
26 // | 27 // |
27 // The |shared_section| parameter is optional (pass NULL for default | 28 // The |shared_section| parameter is optional (pass NULL for default |
28 // behavior). If |shared_section| is non-null, then it must be a handle to a | 29 // behavior). If |shared_section| is non-null, then it must be a handle to a |
29 // file-mapping object returned by CreateFileMapping. See CreateDIBSection | 30 // file-mapping object returned by CreateFileMapping. See CreateDIBSection |
30 // for details. If |shared_section| is null, the bitmap backing store is not | 31 // for details. If |shared_section| is null, the bitmap backing store is not |
31 // initialized. | 32 // initialized. |
32 static BitmapPlatformDevice* Create(int width, int height, | 33 static BitmapPlatformDevice* Create(int width, int height, |
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
78 // when |hbitmap_| is NULL (will be a NOP). | 79 // when |hbitmap_| is NULL (will be a NOP). |
79 void LoadConfig(const SkMatrix& transform, const SkIRect& clip_bounds); | 80 void LoadConfig(const SkMatrix& transform, const SkIRect& clip_bounds); |
80 | 81 |
81 DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice); | 82 DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice); |
82 friend class ScopedPlatformPaint; | 83 friend class ScopedPlatformPaint; |
83 }; | 84 }; |
84 | 85 |
85 } // namespace skia | 86 } // namespace skia |
86 | 87 |
87 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ | 88 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_WIN_H_ |
OLD | NEW |