The Tor Browser / file comparison
comparison: gfx/skia/trunk/include/utils/SkNoSaveLayerCanvas.h
gfx/skia/trunk/include/utils/SkNoSaveLayerCanvas.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:585e755bfaeb |
|---|---|
| 1 /* | |
| 2 * Copyright 2014 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkNoSaveLayerCanvas_DEFINED | |
| 9 #define SkNoSaveLayerCanvas_DEFINED | |
| 10 | |
| 11 #include "SkCanvas.h" | |
| 12 #include "SkRRect.h" | |
| 13 | |
| 14 // The NoSaveLayerCanvas is used to play back SkPictures when the saveLayer | |
| 15 // functionality isn't required (e.g., during analysis of the draw calls). | |
| 16 // It also simplifies the clipping calls to only use rectangles. | |
| 17 class SK_API SkNoSaveLayerCanvas : public SkCanvas { | |
| 18 public: | |
| 19 SkNoSaveLayerCanvas(SkBaseDevice* device) : INHERITED(device) {} | |
| 20 | |
| 21 protected: | |
| 22 virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, | |
| 23 SaveFlags flags) SK_OVERRIDE { | |
| 24 this->INHERITED::willSaveLayer(bounds, paint, flags); | |
| 25 return kNoLayer_SaveLayerStrategy; | |
| 26 } | |
| 27 | |
| 28 // disable aa for speed | |
| 29 virtual void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE { | |
| 30 this->INHERITED::onClipRect(rect, op, kHard_ClipEdgeStyle); | |
| 31 } | |
| 32 | |
| 33 // for speed, just respect the bounds, and disable AA. May give us a few | |
| 34 // false positives and negatives. | |
| 35 virtual void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE { | |
| 36 this->updateClipConservativelyUsingBounds(path.getBounds(), op, | |
| 37 path.isInverseFillType()); | |
| 38 } | |
| 39 virtual void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE { | |
| 40 this->updateClipConservativelyUsingBounds(rrect.getBounds(), op, false); | |
| 41 } | |
| 42 | |
| 43 private: | |
| 44 typedef SkCanvas INHERITED; | |
| 45 }; | |
| 46 | |
| 47 #endif // SkNoSaveLayerCanvas_DEFINED |
