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1 // Copyright (c) 2011 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 #include "base/logging.h" | |
6 #include "skia/ext/platform_device.h" | 5 #include "skia/ext/platform_device.h" |
7 | 6 |
8 #include "third_party/skia/include/core/SkMetaData.h" | 7 #include "third_party/skia/include/core/SkMetaData.h" |
9 | 8 |
10 namespace skia { | 9 namespace skia { |
11 | 10 |
12 namespace { | 11 namespace { |
13 | |
14 const char* kDevicePlatformBehaviour = "CrDevicePlatformBehaviour"; | 12 const char* kDevicePlatformBehaviour = "CrDevicePlatformBehaviour"; |
15 const char* kDraftModeKey = "CrDraftMode"; | |
16 | |
17 #if defined(OS_MACOSX) || defined(OS_WIN) | |
18 const char* kIsPreviewMetafileKey = "CrIsPreviewMetafile"; | |
19 #endif | |
20 | |
21 void SetBoolMetaData(const SkCanvas& canvas, const char* key, bool value) { | |
22 SkMetaData& meta = skia::getMetaData(canvas); | |
23 meta.setBool(key, value); | |
24 } | 13 } |
25 | 14 |
26 bool GetBoolMetaData(const SkCanvas& canvas, const char* key) { | |
27 bool value; | |
28 SkMetaData& meta = skia::getMetaData(canvas); | |
29 if (!meta.findBool(key, &value)) | |
30 value = false; | |
31 return value; | |
32 } | |
33 | |
34 } // namespace | |
35 | |
36 void SetPlatformDevice(SkDevice* device, PlatformDevice* platform_behaviour) { | 15 void SetPlatformDevice(SkDevice* device, PlatformDevice* platform_behaviour) { |
37 SkMetaData& meta_data = device->getMetaData(); | 16 SkMetaData& meta_data = device->getMetaData(); |
38 meta_data.setPtr(kDevicePlatformBehaviour, platform_behaviour); | 17 meta_data.setPtr(kDevicePlatformBehaviour, platform_behaviour); |
39 } | 18 } |
40 | 19 |
41 PlatformDevice* GetPlatformDevice(SkDevice* device) { | 20 PlatformDevice* GetPlatformDevice(SkDevice* device) { |
42 SkMetaData& meta_data = device->getMetaData(); | 21 SkMetaData& meta_data = device->getMetaData(); |
43 PlatformDevice* device_behaviour = NULL; | 22 PlatformDevice* device_behaviour = NULL; |
44 if (meta_data.findPtr(kDevicePlatformBehaviour, | 23 if (meta_data.findPtr(kDevicePlatformBehaviour, |
45 reinterpret_cast<void**>(&device_behaviour))) | 24 reinterpret_cast<void**>(&device_behaviour))) |
46 return device_behaviour; | 25 return device_behaviour; |
47 | 26 |
48 return NULL; | 27 return NULL; |
49 } | 28 } |
50 | 29 |
51 SkMetaData& getMetaData(const SkCanvas& canvas) { | |
52 SkDevice* device = canvas.getDevice(); | |
53 DCHECK(device != NULL); | |
54 return device->getMetaData(); | |
55 } | |
56 | |
57 void SetIsDraftMode(const SkCanvas& canvas, bool draft_mode) { | |
58 SetBoolMetaData(canvas, kDraftModeKey, draft_mode); | |
59 } | |
60 | |
61 bool IsDraftMode(const SkCanvas& canvas) { | |
62 return GetBoolMetaData(canvas, kDraftModeKey); | |
63 } | |
64 | |
65 #if defined(OS_MACOSX) || defined(OS_WIN) | |
66 void SetIsPreviewMetafile(const SkCanvas& canvas, bool is_preview) { | |
67 SetBoolMetaData(canvas, kIsPreviewMetafileKey, is_preview); | |
68 } | |
69 | |
70 bool IsPreviewMetafile(const SkCanvas& canvas) { | |
71 return GetBoolMetaData(canvas, kIsPreviewMetafileKey); | |
72 } | |
73 #endif | |
74 | |
75 bool PlatformDevice::IsNativeFontRenderingAllowed() { | 30 bool PlatformDevice::IsNativeFontRenderingAllowed() { |
76 return true; | 31 return true; |
77 } | 32 } |
78 | 33 |
79 bool PlatformDevice::AlphaBlendUsed() const { | 34 bool PlatformDevice::AlphaBlendUsed() const { |
80 return false; | 35 return false; |
81 } | 36 } |
82 | 37 |
83 } // namespace skia | 38 } // namespace skia |
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