The Tor Browser / file comparison
comparison: gfx/skia/trunk/include/effects/SkLayerRasterizer.h
gfx/skia/trunk/include/effects/SkLayerRasterizer.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:b05725eba7fc |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2006 The Android Open Source Project | |
| 4 * | |
| 5 * Use of this source code is governed by a BSD-style license that can be | |
| 6 * found in the LICENSE file. | |
| 7 */ | |
| 8 | |
| 9 | |
| 10 #ifndef SkLayerRasterizer_DEFINED | |
| 11 #define SkLayerRasterizer_DEFINED | |
| 12 | |
| 13 #include "SkRasterizer.h" | |
| 14 #include "SkDeque.h" | |
| 15 #include "SkScalar.h" | |
| 16 | |
| 17 class SkPaint; | |
| 18 | |
| 19 class SK_API SkLayerRasterizer : public SkRasterizer { | |
| 20 public: | |
| 21 virtual ~SkLayerRasterizer(); | |
| 22 | |
| 23 class SK_API Builder { | |
| 24 public: | |
| 25 Builder(); | |
| 26 ~Builder(); | |
| 27 | |
| 28 void addLayer(const SkPaint& paint) { | |
| 29 this->addLayer(paint, 0, 0); | |
| 30 } | |
| 31 | |
| 32 /** | |
| 33 * Add a new layer (above any previous layers) to the rasterizer. | |
| 34 * The layer will extract those fields that affect the mask from | |
| 35 * the specified paint, but will not retain a reference to the paint | |
| 36 * object itself, so it may be reused without danger of side-effects. | |
| 37 */ | |
| 38 void addLayer(const SkPaint& paint, SkScalar dx, SkScalar dy); | |
| 39 | |
| 40 /** | |
| 41 * Pass queue of layers on to newly created layer rasterizer and return it. The builder | |
| 42 * cannot be used any more after calling this function. | |
| 43 */ | |
| 44 SkLayerRasterizer* detachRasterizer(); | |
| 45 | |
| 46 private: | |
| 47 SkDeque* fLayers; | |
| 48 }; | |
| 49 | |
| 50 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
| 51 void addLayer(const SkPaint& paint) { | |
| 52 this->addLayer(paint, 0, 0); | |
| 53 } | |
| 54 | |
| 55 /** Add a new layer (above any previous layers) to the rasterizer. | |
| 56 The layer will extract those fields that affect the mask from | |
| 57 the specified paint, but will not retain a reference to the paint | |
| 58 object itself, so it may be reused without danger of side-effects. | |
| 59 */ | |
| 60 void addLayer(const SkPaint& paint, SkScalar dx, SkScalar dy); | |
| 61 #endif | |
| 62 | |
| 63 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLayerRasterizer) | |
| 64 | |
| 65 protected: | |
| 66 SkLayerRasterizer(SkDeque* layers); | |
| 67 SkLayerRasterizer(SkReadBuffer&); | |
| 68 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | |
| 69 | |
| 70 // override from SkRasterizer | |
| 71 virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix, | |
| 72 const SkIRect* clipBounds, | |
| 73 SkMask* mask, SkMask::CreateMode mode) const; | |
| 74 | |
| 75 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
| 76 public: | |
| 77 #endif | |
| 78 SkLayerRasterizer(); | |
| 79 | |
| 80 private: | |
| 81 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API | |
| 82 SkDeque* fLayers; | |
| 83 #else | |
| 84 const SkDeque* const fLayers; | |
| 85 #endif | |
| 86 | |
| 87 static SkDeque* ReadLayers(SkReadBuffer& buffer); | |
| 88 | |
| 89 typedef SkRasterizer INHERITED; | |
| 90 }; | |
| 91 | |
| 92 #endif |
