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-rw-r--r--skia/include/SkBounder.h72
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diff --git a/skia/include/SkBounder.h b/skia/include/SkBounder.h
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-/*
- * Copyright (C) 2006 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SkBounder_DEFINED
-#define SkBounder_DEFINED
-
-#include "SkTypes.h"
-#include "SkRefCnt.h"
-
-struct SkIRect;
-struct SkPoint;
-struct SkRect;
-class SkPaint;
-class SkPath;
-class SkRegion;
-
-/** \class SkBounder
-
- Base class for intercepting the device bounds of shapes before they are drawn.
- Install a subclass of this in your canvas.
-*/
-class SkBounder : public SkRefCnt {
-public:
- /* Call to perform a clip test before calling onIRect.
- Returns the result from onIRect.
- */
- bool doIRect(const SkIRect&);
-
-protected:
- /** Override in your subclass. This is called with the device bounds of an
- object (text, geometry, image) just before it is drawn. If your method
- returns false, the drawing for that shape is aborted. If your method
- returns true, drawing continues. The bounds your method receives have already
- been transformed in to device coordinates, and clipped to the current clip.
- */
- virtual bool onIRect(const SkIRect&) = 0;
-
- /** Called after each shape has been drawn. The default implementation does
- nothing, but your override could use this notification to signal itself
- that the offscreen being rendered into needs to be updated to the screen.
- */
- virtual void commit();
-
-private:
- bool doHairline(const SkPoint&, const SkPoint&, const SkPaint&);
- bool doRect(const SkRect&, const SkPaint&);
- bool doPath(const SkPath&, const SkPaint&, bool doFill);
- void setClip(const SkRegion* clip) { fClip = clip; }
-
- const SkRegion* fClip;
- friend class SkAutoBounderCommit;
- friend class SkDraw;
- friend class SkDrawIter;
- friend struct Draw1Glyph;
- friend class SkMaskFilter;
-};
-
-#endif
-