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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/gfx/platform_canvas_linux.h" | |
6 | |
7 #include "base/gfx/platform_device_linux.h" | |
8 #include "base/gfx/bitmap_platform_device_linux.h" | |
9 #include "base/logging.h" | |
10 | |
11 namespace gfx { | |
12 | |
13 PlatformCanvasLinux::PlatformCanvasLinux() : SkCanvas() { | |
14 } | |
15 | |
16 PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque) | |
17 : SkCanvas() { | |
18 if (!initialize(width, height, is_opaque)) | |
19 CHECK(false); | |
20 } | |
21 | |
22 PlatformCanvasLinux::~PlatformCanvasLinux() { | |
23 } | |
24 | |
25 bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque) { | |
26 SkDevice* device = createPlatformDevice(width, height, is_opaque); | |
27 if (!device) | |
28 return false; | |
29 | |
30 setDevice(device); | |
31 device->unref(); // was created with refcount 1, and setDevice also refs | |
32 return true; | |
33 } | |
34 | |
35 PlatformDeviceLinux& PlatformCanvasLinux::getTopPlatformDevice() const { | |
36 // All of our devices should be our special PlatformDevice. | |
37 SkCanvas::LayerIter iter(const_cast<PlatformCanvasLinux*>(this), false); | |
38 return *static_cast<PlatformDeviceLinux*>(iter.device()); | |
39 } | |
40 | |
41 SkDevice* PlatformCanvasLinux::createDevice(SkBitmap::Config config, | |
42 int width, | |
43 int height, | |
44 bool is_opaque, bool isForLayer) { | |
45 DCHECK(config == SkBitmap::kARGB_8888_Config); | |
46 return createPlatformDevice(width, height, is_opaque); | |
47 } | |
48 | |
49 SkDevice* PlatformCanvasLinux::createPlatformDevice(int width, | |
50 int height, | |
51 bool is_opaque) { | |
52 return BitmapPlatformDeviceLinux::Create(width, height, is_opaque); | |
53 } | |
54 | |
55 } // namespace gfx | |
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