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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 PaintedSurface_h
#define PaintedSurface_h
#include "BaseTileTexture.h"
#include "ClassTracker.h"
#include "IntRect.h"
#include "LayerAndroid.h"
#include "SkRefCnt.h"
#include "TextureOwner.h"
#include "TilesManager.h"
#include "TilePainter.h"
#include "TransformationMatrix.h"
class SkCanvas;
class SkRegion;
namespace WebCore {
class DualTiledTexture;
class PaintedSurface : public SurfacePainter {
public:
PaintedSurface();
virtual ~PaintedSurface();
// PaintedSurface methods
void prepare(GLWebViewState*);
bool draw();
bool paint(SkCanvas*);
void setDrawingLayer(LayerAndroid* layer) { m_drawingLayer = layer; }
LayerAndroid* drawingLayer() { return m_drawingLayer; }
void setPaintingLayer(LayerAndroid* layer, const SkRegion& dirtyArea);
void clearPaintingLayer() { m_paintingLayer = 0; }
LayerAndroid* paintingLayer() { return m_paintingLayer; }
void swapTiles();
bool isReady();
bool owns(BaseTileTexture* texture);
void computeTexturesAmount(TexturesResult*);
IntRect computeVisibleArea(LayerAndroid*);
// TilePainter methods for TiledTexture
virtual const TransformationMatrix* transform();
virtual float opacity();
// used by TiledTexture
float scale() { return m_scale; }
unsigned int pictureUsed() { return m_pictureUsed; }
private:
LayerAndroid* m_drawingLayer;
LayerAndroid* m_paintingLayer;
DualTiledTexture* m_tiledTexture;
float m_scale;
unsigned int m_pictureUsed;
android::Mutex m_layerLock;
};
} // namespace WebCore
#endif // PaintedSurface_h
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