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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
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 #ifndef SkLayerRasterizer_DEFINED | 10 #ifndef SkLayerRasterizer_DEFINED |
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56 * Future calls to addLayer will not affect rasterizers previously ret
urned by this call. | 56 * Future calls to addLayer will not affect rasterizers previously ret
urned by this call. |
57 * | 57 * |
58 * The caller is responsible for calling unref() on the returned objec
t. | 58 * The caller is responsible for calling unref() on the returned objec
t. |
59 */ | 59 */ |
60 SkLayerRasterizer* snapshotRasterizer() const; | 60 SkLayerRasterizer* snapshotRasterizer() const; |
61 | 61 |
62 private: | 62 private: |
63 SkDeque* fLayers; | 63 SkDeque* fLayers; |
64 }; | 64 }; |
65 | 65 |
66 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
67 void addLayer(const SkPaint& paint) { | |
68 this->addLayer(paint, 0, 0); | |
69 } | |
70 | |
71 /** Add a new layer (above any previous layers) to the rasterizer. | |
72 The layer will extract those fields that affect the mask from | |
73 the specified paint, but will not retain a reference to the paint | |
74 object itself, so it may be reused without danger of side-effects. | |
75 */ | |
76 void addLayer(const SkPaint& paint, SkScalar dx, SkScalar dy); | |
77 #endif | |
78 | |
79 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLayerRasterizer) | 66 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLayerRasterizer) |
80 | 67 |
81 protected: | 68 protected: |
82 SkLayerRasterizer(SkDeque* layers); | 69 SkLayerRasterizer(SkDeque* layers); |
83 SkLayerRasterizer(SkReadBuffer&); | 70 SkLayerRasterizer(SkReadBuffer&); |
84 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 71 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
85 | 72 |
86 // override from SkRasterizer | 73 // override from SkRasterizer |
87 virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix, | 74 virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix, |
88 const SkIRect* clipBounds, | 75 const SkIRect* clipBounds, |
89 SkMask* mask, SkMask::CreateMode mode) const; | 76 SkMask* mask, SkMask::CreateMode mode) const; |
90 | 77 |
91 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
92 public: | |
93 #endif | |
94 SkLayerRasterizer(); | 78 SkLayerRasterizer(); |
95 | 79 |
96 private: | 80 private: |
97 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
98 SkDeque* fLayers; | |
99 #else | |
100 const SkDeque* const fLayers; | 81 const SkDeque* const fLayers; |
101 #endif | |
102 | 82 |
103 static SkDeque* ReadLayers(SkReadBuffer& buffer); | 83 static SkDeque* ReadLayers(SkReadBuffer& buffer); |
104 | 84 |
105 friend class LayerRasterizerTester; | 85 friend class LayerRasterizerTester; |
106 | 86 |
107 typedef SkRasterizer INHERITED; | 87 typedef SkRasterizer INHERITED; |
108 }; | 88 }; |
109 | 89 |
110 #endif | 90 #endif |
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