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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 | 10 |
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23 | 23 |
24 class GrTextContext; | 24 class GrTextContext; |
25 | 25 |
26 /** | 26 /** |
27 * Subclass of SkBitmapDevice, which directs all drawing to the GrGpu owned by
the | 27 * Subclass of SkBitmapDevice, which directs all drawing to the GrGpu owned by
the |
28 * canvas. | 28 * canvas. |
29 */ | 29 */ |
30 class SK_API SkGpuDevice : public SkBitmapDevice { | 30 class SK_API SkGpuDevice : public SkBitmapDevice { |
31 public: | 31 public: |
32 enum Flags { | 32 enum Flags { |
33 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear | 33 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear |
34 kCached_Flag = 1 << 1, //!< Surface is cached and needs to be unlock
ed when released | 34 kCached_Flag = 1 << 1, //!< Surface is cached and needs to be unlock
ed when released |
35 }; | 35 }; |
36 | 36 |
37 /** | 37 /** |
38 * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is
not a render | 38 * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is
not a render |
39 * target. The caller owns a ref on the returned device. If the surface is c
ached, | 39 * target. The caller owns a ref on the returned device. If the surface is c
ached, |
40 * the kCached_Flag should be specified to make the device responsible for u
nlocking | 40 * the kCached_Flag should be specified to make the device responsible for u
nlocking |
41 * the surface when it is released. | 41 * the surface when it is released. |
42 */ | 42 */ |
43 static SkGpuDevice* Create(GrSurface* surface, unsigned flags = 0); | 43 static SkGpuDevice* Create(GrSurface* surface, unsigned flags = 0); |
44 | 44 |
45 /** | 45 /** |
46 * New device that will create an offscreen renderTarget based on the | 46 * New device that will create an offscreen renderTarget based on the |
47 * ImageInfo and sampleCount. The device's storage will not | 47 * ImageInfo and sampleCount. The device's storage will not |
48 * count against the GrContext's texture cache budget. The device's pixels | 48 * count against the GrContext's texture cache budget. The device's pixels |
49 * will be uninitialized. On failure, returns NULL. | 49 * will be uninitialized. On failure, returns NULL. |
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225 SkCanvas::DrawBitmapRectFlags flags, | 225 SkCanvas::DrawBitmapRectFlags flags, |
226 int tileSize, | 226 int tileSize, |
227 bool bicubic); | 227 bool bicubic); |
228 | 228 |
229 static SkPicture::AccelData::Key ComputeAccelDataKey(); | 229 static SkPicture::AccelData::Key ComputeAccelDataKey(); |
230 | 230 |
231 typedef SkBitmapDevice INHERITED; | 231 typedef SkBitmapDevice INHERITED; |
232 }; | 232 }; |
233 | 233 |
234 #endif | 234 #endif |
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