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comparison: gfx/skia/trunk/src/utils/SkCanvasStack.h
gfx/skia/trunk/src/utils/SkCanvasStack.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5fb764ed69d8 |
|---|---|
| 1 | |
| 2 /* | |
| 3 * Copyright 2013 Google Inc. | |
| 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 #ifndef SkCanvasStack_DEFINED | |
| 10 #define SkCanvasStack_DEFINED | |
| 11 | |
| 12 #include "SkNWayCanvas.h" | |
| 13 #include "SkTArray.h" | |
| 14 | |
| 15 class SkCanvasStack : public SkNWayCanvas { | |
| 16 public: | |
| 17 SkCanvasStack(int width, int height); | |
| 18 virtual ~SkCanvasStack(); | |
| 19 | |
| 20 void pushCanvas(SkCanvas* canvas, const SkIPoint& origin); | |
| 21 virtual void removeAll() SK_OVERRIDE; | |
| 22 | |
| 23 /* | |
| 24 * The following add/remove canvas methods are overrides from SkNWayCanvas | |
| 25 * that do not make sense in the context of our CanvasStack, but since we | |
| 26 * can share most of the other implementation of NWay we override those | |
| 27 * methods to be no-ops. | |
| 28 */ | |
| 29 virtual void addCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); } | |
| 30 virtual void removeCanvas(SkCanvas*) SK_OVERRIDE { SkDEBUGFAIL("Invalid Op"); } | |
| 31 | |
| 32 protected: | |
| 33 virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE; | |
| 34 | |
| 35 virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 36 virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 37 virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE; | |
| 38 virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE; | |
| 39 | |
| 40 private: | |
| 41 void clipToZOrderedBounds(); | |
| 42 | |
| 43 struct CanvasData { | |
| 44 SkIPoint origin; | |
| 45 SkRegion requiredClip; | |
| 46 }; | |
| 47 | |
| 48 SkTArray<CanvasData> fCanvasData; | |
| 49 | |
| 50 typedef SkNWayCanvas INHERITED; | |
| 51 }; | |
| 52 | |
| 53 #endif |
