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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkDevice.h" | 8 #include "SkDevice.h" |
9 #include "SkMetaData.h" | 9 #include "SkMetaData.h" |
10 | 10 |
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26 { | 26 { |
27 fOrigin.setZero(); | 27 fOrigin.setZero(); |
28 fMetaData = NULL; | 28 fMetaData = NULL; |
29 } | 29 } |
30 | 30 |
31 SkBaseDevice::~SkBaseDevice() { | 31 SkBaseDevice::~SkBaseDevice() { |
32 delete fMetaData; | 32 delete fMetaData; |
33 } | 33 } |
34 | 34 |
35 SkBaseDevice* SkBaseDevice::createCompatibleDevice(const SkImageInfo& info) { | 35 SkBaseDevice* SkBaseDevice::createCompatibleDevice(const SkImageInfo& info) { |
36 #ifdef SK_SUPPORT_LEGACY_COMPATIBLEDEVICE_CONFIG | |
37 // We call the old method to support older subclasses. | |
38 // If they have, we return their device, else we use the new impl. | |
39 SkBitmap::Config config = SkColorTypeToBitmapConfig(info.colorType()); | |
40 SkBaseDevice* dev = this->onCreateCompatibleDevice(config, | |
41 info.width(), | |
42 info.height(), | |
43 info.isOpaque(), | |
44 kGeneral_Usage); | |
45 if (dev) { | |
46 return dev; | |
47 } | |
48 // fall through to new impl | |
49 #endif | |
50 return this->onCreateDevice(info, kGeneral_Usage); | 36 return this->onCreateDevice(info, kGeneral_Usage); |
51 } | 37 } |
52 | 38 |
53 SkBaseDevice* SkBaseDevice::createCompatibleDeviceForSaveLayer(const SkImageInfo
& info) { | 39 SkBaseDevice* SkBaseDevice::createCompatibleDeviceForSaveLayer(const SkImageInfo
& info) { |
54 #ifdef SK_SUPPORT_LEGACY_COMPATIBLEDEVICE_CONFIG | |
55 // We call the old method to support older subclasses. | |
56 // If they have, we return their device, else we use the new impl. | |
57 SkBitmap::Config config = SkColorTypeToBitmapConfig(info.colorType()); | |
58 SkBaseDevice* dev = this->onCreateCompatibleDevice(config, | |
59 info.width(), | |
60 info.height(), | |
61 info.isOpaque(), | |
62 kSaveLayer_Usage); | |
63 if (dev) { | |
64 return dev; | |
65 } | |
66 // fall through to new impl | |
67 #endif | |
68 return this->onCreateDevice(info, kSaveLayer_Usage); | 40 return this->onCreateDevice(info, kSaveLayer_Usage); |
69 } | 41 } |
70 | 42 |
71 #ifdef SK_SUPPORT_LEGACY_COMPATIBLEDEVICE_CONFIG | |
72 SkBaseDevice* SkBaseDevice::createCompatibleDevice(SkBitmap::Config config, | |
73 int width, int height, | |
74 bool isOpaque) { | |
75 SkImageInfo info = SkImageInfo::Make(width, height, | |
76 SkBitmapConfigToColorType(config), | |
77 isOpaque ? kOpaque_SkAlphaType | |
78 : kPremul_SkAlphaType); | |
79 return this->createCompatibleDevice(info); | |
80 } | |
81 #endif | |
82 | |
83 SkMetaData& SkBaseDevice::getMetaData() { | 43 SkMetaData& SkBaseDevice::getMetaData() { |
84 // metadata users are rare, so we lazily allocate it. If that changes we | 44 // metadata users are rare, so we lazily allocate it. If that changes we |
85 // can decide to just make it a field in the device (rather than a ptr) | 45 // can decide to just make it a field in the device (rather than a ptr) |
86 if (NULL == fMetaData) { | 46 if (NULL == fMetaData) { |
87 fMetaData = new SkMetaData; | 47 fMetaData = new SkMetaData; |
88 } | 48 } |
89 return *fMetaData; | 49 return *fMetaData; |
90 } | 50 } |
91 | 51 |
92 // TODO: should make this guy pure-virtual. | 52 // TODO: should make this guy pure-virtual. |
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172 } | 132 } |
173 | 133 |
174 void SkBaseDevice::EXPERIMENTAL_optimize(SkPicture* picture) { | 134 void SkBaseDevice::EXPERIMENTAL_optimize(SkPicture* picture) { |
175 // The base class doesn't perform any analysis but derived classes may | 135 // The base class doesn't perform any analysis but derived classes may |
176 } | 136 } |
177 | 137 |
178 bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkPicture* picture) { | 138 bool SkBaseDevice::EXPERIMENTAL_drawPicture(SkPicture* picture) { |
179 // The base class doesn't perform any accelerated picture rendering | 139 // The base class doesn't perform any accelerated picture rendering |
180 return false; | 140 return false; |
181 } | 141 } |
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