OLD | NEW |
| (Empty) |
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 "config.h" | |
6 | |
7 #include "PlatformCanvasMac.h" | |
8 | |
9 #include "base/gfx/bitmap_platform_device_mac.h" | |
10 #include "base/logging.h" | |
11 | |
12 namespace gfx { | |
13 | |
14 PlatformCanvasMac::PlatformCanvasMac() : SkCanvas() { | |
15 } | |
16 | |
17 PlatformCanvasMac::PlatformCanvasMac(int width, int height, bool is_opaque) | |
18 : SkCanvas() { | |
19 initialize(width, height, is_opaque); | |
20 } | |
21 | |
22 PlatformCanvasMac::PlatformCanvasMac(int width, | |
23 int height, | |
24 bool is_opaque, | |
25 CGContextRef context) | |
26 : SkCanvas() { | |
27 initialize(width, height, is_opaque); | |
28 } | |
29 | |
30 PlatformCanvasMac::~PlatformCanvasMac() { | |
31 } | |
32 | |
33 bool PlatformCanvasMac::initialize(int width, | |
34 int height, | |
35 bool is_opaque) { | |
36 SkDevice* device = createPlatformDevice(width, height, is_opaque, NULL); | |
37 if (!device) | |
38 return false; | |
39 | |
40 setDevice(device); | |
41 device->unref(); // was created with refcount 1, and setDevice also refs | |
42 return true; | |
43 } | |
44 | |
45 CGContextRef PlatformCanvasMac::beginPlatformPaint() { | |
46 return getTopPlatformDevice().GetBitmapContext(); | |
47 } | |
48 | |
49 void PlatformCanvasMac::endPlatformPaint() { | |
50 // flushing will be done in onAccessBitmap | |
51 } | |
52 | |
53 PlatformDeviceMac& PlatformCanvasMac::getTopPlatformDevice() const { | |
54 // All of our devices should be our special PlatformDeviceMac. | |
55 SkCanvas::LayerIter iter(const_cast<PlatformCanvasMac*>(this), false); | |
56 return *static_cast<PlatformDeviceMac*>(iter.device()); | |
57 } | |
58 | |
59 SkDevice* PlatformCanvasMac::createDevice(SkBitmap::Config config, | |
60 int width, | |
61 int height, | |
62 bool is_opaque, bool isForLayer) { | |
63 DCHECK(config == SkBitmap::kARGB_8888_Config); | |
64 return createPlatformDevice(width, height, is_opaque, NULL); | |
65 } | |
66 | |
67 SkDevice* PlatformCanvasMac::createPlatformDevice(int width, | |
68 int height, | |
69 bool is_opaque, | |
70 CGContextRef context) { | |
71 SkDevice* device = BitmapPlatformDeviceMac::Create(context, width, height, | |
72 is_opaque); | |
73 return device; | |
74 } | |
75 | |
76 SkDevice* PlatformCanvasMac::setBitmapDevice(const SkBitmap&) { | |
77 NOTREACHED(); | |
78 return NULL; | |
79 } | |
80 | |
81 } // namespace gfx | |
82 | |
OLD | NEW |