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/*
* Copyright 2010, 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 PaintTileSetOperation_h
#define PaintTileSetOperation_h
#include "Tile.h"
#include "QueuedOperation.h"
#include "SkRefCnt.h"
namespace WebCore {
class LayerAndroid;
class TilePainter;
class ImageTexture;
class PaintTileOperation : public QueuedOperation {
public:
PaintTileOperation(Tile* tile, TilePainter* painter,
GLWebViewState* state, bool isLowResPrefetch);
virtual ~PaintTileOperation();
virtual bool operator==(const QueuedOperation* operation);
virtual void run();
// returns a rendering priority for m_tile, lower values are processed faster
virtual int priority();
TilePainter* painter() { return m_painter; }
float scale() { return m_tile->scale(); }
private:
Tile* m_tile;
TilePainter* m_painter;
GLWebViewState* m_state;
bool m_isLowResPrefetch;
};
class ScaleFilter : public OperationFilter {
public:
ScaleFilter(const TilePainter* painter, float scale)
: m_painter(painter)
, m_scale(scale) {}
virtual bool check(QueuedOperation* operation)
{
PaintTileOperation* op = static_cast<PaintTileOperation*>(operation);
return ((op->painter() == m_painter) && (op->scale() != m_scale));
}
private:
const TilePainter* m_painter;
float m_scale;
};
class TilePainterFilter : public OperationFilter {
public:
TilePainterFilter(TilePainter* painter) : m_painter(painter) {}
virtual bool check(QueuedOperation* operation)
{
PaintTileOperation* op = static_cast<PaintTileOperation*>(operation);
return op->painter() == m_painter;
}
private:
TilePainter* m_painter;
};
}
#endif // PaintTileSetOperation_h
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