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/*
* Copyright (C) 2011 Samsung Electronics
*
* 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 TileCairo_h
#define TileCairo_h
#if USE(TILED_BACKING_STORE) && USE(CAIRO)
#include "IntPoint.h"
#include "IntRect.h"
#include "RefPtrCairo.h"
#include "Tile.h"
#include <cairo.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class TiledBackingStore;
class TileCairo : public Tile {
public:
static PassRefPtr<Tile> create(TiledBackingStore* backingStore, const Coordinate& tileCoordinate)
{
return adoptRef(new TileCairo(backingStore, tileCoordinate));
}
virtual ~TileCairo();
virtual bool isDirty() const;
virtual void invalidate(const IntRect&);
virtual Vector<IntRect> updateBackBuffer();
virtual void swapBackBufferToFront();
virtual bool isReadyToPaint() const;
virtual void paint(GraphicsContext*, const IntRect&);
virtual const Tile::Coordinate& coordinate() const { return m_coordinate; }
virtual const IntRect& rect() const { return m_rect; }
virtual void resize(const WebCore::IntSize&);
protected:
TileCairo(TiledBackingStore*, const Coordinate&);
TiledBackingStore* m_backingStore;
Coordinate m_coordinate;
IntRect m_rect;
RefPtr<cairo_surface_t> m_buffer;
RefPtr<cairo_region_t> m_dirtyRegion;
};
}
#endif
#endif
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