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/*
* Copyright 2011, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TilePainter_h
#define TilePainter_h
#include "TransformationMatrix.h"
#include "SkRefCnt.h"
class SkCanvas;
namespace WebCore {
class Tile;
class Color;
class TilePainter : public SkRefCnt {
// TODO: investigate webkit threadsafe ref counting
public:
virtual ~TilePainter() { }
virtual bool paint(Tile* tile, SkCanvas* canvas) = 0;
virtual float opacity() { return 1.0; }
enum SurfaceType { Painted, Image };
virtual SurfaceType type() { return Painted; }
virtual Color* background() { return 0; }
unsigned int getUpdateCount() { return m_updateCount; }
void setUpdateCount(unsigned int updateCount) { m_updateCount = updateCount; }
private:
unsigned int m_updateCount;
};
}
#endif // TilePainter_h
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