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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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27 class GrTextContext; | 27 class GrTextContext; |
28 | 28 |
29 /** | 29 /** |
30 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by th
e | 30 * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by th
e |
31 * canvas. | 31 * canvas. |
32 */ | 32 */ |
33 class SK_API SkGpuDevice : public SkBaseDevice { | 33 class SK_API SkGpuDevice : public SkBaseDevice { |
34 public: | 34 public: |
35 enum Flags { | 35 enum Flags { |
36 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear | 36 kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear |
37 kDFText_Flag = 1 << 1, //!< Surface should render text using signed d
istance fields | 37 kDFFonts_Flag = 1 << 1, //!< Surface should render fonts using signed
distance fields |
38 }; | 38 }; |
39 | 39 |
40 /** | 40 /** |
41 * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is
not a render | 41 * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is
not a render |
42 * target. The caller owns a ref on the returned device. If the surface is c
ached, | 42 * target. The caller owns a ref on the returned device. If the surface is c
ached, |
43 * the kCached_Flag should be specified to make the device responsible for u
nlocking | 43 * the kCached_Flag should be specified to make the device responsible for u
nlocking |
44 * the surface when it is released. | 44 * the surface when it is released. |
45 */ | 45 */ |
46 static SkGpuDevice* Create(GrSurface* surface, const SkSurfaceProps&, unsign
ed flags = 0); | 46 static SkGpuDevice* Create(GrSurface* surface, const SkSurfaceProps&, unsign
ed flags = 0); |
47 | 47 |
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129 private: | 129 private: |
130 GrContext* fContext; | 130 GrContext* fContext; |
131 | 131 |
132 GrSkDrawProcs* fDrawProcs; | 132 GrSkDrawProcs* fDrawProcs; |
133 | 133 |
134 GrClipData fClipData; | 134 GrClipData fClipData; |
135 | 135 |
136 GrTextContext* fTextContext; | 136 GrTextContext* fTextContext; |
137 | 137 |
138 // state for our render-target | 138 // state for our render-target |
139 GrRenderTarget* fRenderTarget; | 139 GrRenderTarget* fRenderTarget; |
140 uint32_t fFlags; | 140 bool fNeedClear; |
141 | 141 |
142 // remove when our clients don't rely on accessBitmap() | 142 // remove when our clients don't rely on accessBitmap() |
143 SkBitmap fLegacyBitmap; | 143 SkBitmap fLegacyBitmap; |
144 | 144 |
145 SkGpuDevice(GrSurface*, const SkSurfaceProps&, unsigned flags = 0); | 145 SkGpuDevice(GrSurface*, const SkSurfaceProps&, unsigned flags = 0); |
146 | 146 |
147 virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE; | 147 virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE; |
148 | 148 |
149 virtual SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) SK_
OVERRIDE; | 149 virtual SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) SK_
OVERRIDE; |
150 | 150 |
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196 bool bicubic); | 196 bool bicubic); |
197 | 197 |
198 bool drawDashLine(const SkPoint pts[2], const SkPaint& paint); | 198 bool drawDashLine(const SkPoint pts[2], const SkPaint& paint); |
199 | 199 |
200 static SkPicture::AccelData::Key ComputeAccelDataKey(); | 200 static SkPicture::AccelData::Key ComputeAccelDataKey(); |
201 | 201 |
202 typedef SkBaseDevice INHERITED; | 202 typedef SkBaseDevice INHERITED; |
203 }; | 203 }; |
204 | 204 |
205 #endif | 205 #endif |
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