/* * 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