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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 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 | 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 #include "skia/ext/platform_canvas_linux.h" | 5 #include "skia/ext/platform_canvas_linux.h" |
6 | 6 |
7 #include "skia/ext/platform_device_linux.h" | 7 #include "skia/ext/platform_device_linux.h" |
8 #include "skia/ext/bitmap_platform_device_linux.h" | 8 #include "skia/ext/bitmap_platform_device_linux.h" |
9 #include "SkTypes.h" | 9 #include "SkTypes.h" |
10 | 10 |
11 #include <cairo/cairo.h> | 11 #include <cairo/cairo.h> |
12 | 12 |
13 namespace skia { | 13 namespace skia { |
14 | 14 |
15 PlatformCanvasLinux::PlatformCanvasLinux() : SkCanvas() { | 15 PlatformCanvasLinux::PlatformCanvasLinux() : SkCanvas() { |
16 } | 16 } |
17 | 17 |
18 PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque) | 18 PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque) |
19 : SkCanvas() { | 19 : SkCanvas() { |
20 if (!initialize(width, height, is_opaque)) | 20 if (!initialize(width, height, is_opaque)) |
21 SK_CRASH(); | 21 SK_CRASH(); |
22 } | 22 } |
23 | 23 |
| 24 PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque, |
| 25 uint8_t* data) |
| 26 : SkCanvas() { |
| 27 if (!initialize(width, height, is_opaque, data)) |
| 28 SK_CRASH(); |
| 29 } |
| 30 |
24 PlatformCanvasLinux::~PlatformCanvasLinux() { | 31 PlatformCanvasLinux::~PlatformCanvasLinux() { |
25 } | 32 } |
26 | 33 |
27 bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque) { | 34 bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque) { |
28 SkDevice* device = createPlatformDevice(width, height, is_opaque); | 35 SkDevice* device = createPlatformDevice(width, height, is_opaque); |
29 if (!device) | 36 if (!device) |
30 return false; | 37 return false; |
31 | 38 |
32 setDevice(device); | 39 setDevice(device); |
33 device->unref(); // was created with refcount 1, and setDevice also refs | 40 device->unref(); // was created with refcount 1, and setDevice also refs |
34 return true; | 41 return true; |
35 } | 42 } |
36 | 43 |
| 44 bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque, |
| 45 uint8_t* data) { |
| 46 SkDevice* device = |
| 47 BitmapPlatformDeviceLinux::Create(width, height, is_opaque, data); |
| 48 if (!device) |
| 49 return false; |
| 50 |
| 51 setDevice(device); |
| 52 device->unref(); // was created with refcount 1, and setDevice also refs |
| 53 return true; |
| 54 } |
| 55 |
37 PlatformDeviceLinux& PlatformCanvasLinux::getTopPlatformDevice() const { | 56 PlatformDeviceLinux& PlatformCanvasLinux::getTopPlatformDevice() const { |
38 // All of our devices should be our special PlatformDevice. | 57 // All of our devices should be our special PlatformDevice. |
39 SkCanvas::LayerIter iter(const_cast<PlatformCanvasLinux*>(this), false); | 58 SkCanvas::LayerIter iter(const_cast<PlatformCanvasLinux*>(this), false); |
40 return *static_cast<PlatformDeviceLinux*>(iter.device()); | 59 return *static_cast<PlatformDeviceLinux*>(iter.device()); |
41 } | 60 } |
42 | 61 |
43 SkDevice* PlatformCanvasLinux::createDevice(SkBitmap::Config config, | 62 SkDevice* PlatformCanvasLinux::createDevice(SkBitmap::Config config, |
44 int width, | 63 int width, |
45 int height, | 64 int height, |
46 bool is_opaque, bool isForLayer) { | 65 bool is_opaque, bool isForLayer) { |
47 SkASSERT(config == SkBitmap::kARGB_8888_Config); | 66 SkASSERT(config == SkBitmap::kARGB_8888_Config); |
48 return createPlatformDevice(width, height, is_opaque); | 67 return createPlatformDevice(width, height, is_opaque); |
49 } | 68 } |
50 | 69 |
51 SkDevice* PlatformCanvasLinux::createPlatformDevice(int width, | 70 SkDevice* PlatformCanvasLinux::createPlatformDevice(int width, |
52 int height, | 71 int height, |
53 bool is_opaque) { | 72 bool is_opaque) { |
54 return BitmapPlatformDeviceLinux::Create(width, height, is_opaque); | 73 return BitmapPlatformDeviceLinux::Create(width, height, is_opaque); |
55 } | 74 } |
56 | 75 |
57 // static | 76 // static |
58 size_t PlatformCanvasLinux::StrideForWidth(unsigned width) { | 77 size_t PlatformCanvasLinux::StrideForWidth(unsigned width) { |
59 return cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width); | 78 return cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width); |
60 } | 79 } |
61 | 80 |
62 } // namespace skia | 81 } // namespace skia |
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