0f03f43e44
https://codereview.chromium.org/197243005 git-svn-id: http://skia.googlecode.com/svn/trunk@13823 2bbb7eff-a529-9590-31e7-b0007b416f81
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
/*
|
|
* Copyright 2014 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#ifndef SkNoSaveLayerCanvas_DEFINED
|
|
#define SkNoSaveLayerCanvas_DEFINED
|
|
|
|
#include "SkCanvas.h"
|
|
#include "SkRRect.h"
|
|
|
|
// The NoSaveLayerCanvas is used to play back SkPictures when the saveLayer
|
|
// functionality isn't required (e.g., during analysis of the draw calls).
|
|
// It also simplifies the clipping calls to only use rectangles.
|
|
class SK_API SkNoSaveLayerCanvas : public SkCanvas {
|
|
public:
|
|
SkNoSaveLayerCanvas(SkBaseDevice* device) : INHERITED(device) {}
|
|
|
|
protected:
|
|
virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint,
|
|
SaveFlags flags) SK_OVERRIDE {
|
|
this->INHERITED::willSaveLayer(bounds, paint, flags);
|
|
return kNoLayer_SaveLayerStrategy;
|
|
}
|
|
|
|
// disable aa for speed
|
|
virtual void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
|
|
this->INHERITED::onClipRect(rect, op, kHard_ClipEdgeStyle);
|
|
}
|
|
|
|
// for speed, just respect the bounds, and disable AA. May give us a few
|
|
// false positives and negatives.
|
|
virtual void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
|
|
this->updateClipConservativelyUsingBounds(path.getBounds(), op,
|
|
path.isInverseFillType());
|
|
}
|
|
virtual void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle) SK_OVERRIDE {
|
|
this->updateClipConservativelyUsingBounds(rrect.getBounds(), op, false);
|
|
}
|
|
|
|
private:
|
|
typedef SkCanvas INHERITED;
|
|
};
|
|
|
|
#endif // SkNoSaveLayerCanvas_DEFINED
|