/* * Copyright (C) 2010-2011 Nokia Corporation and/or its subsidiary(-ies) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 Tile_h #define Tile_h #if USE(COORDINATED_GRAPHICS) #include "CoordinatedSurface.h" #include "IntPoint.h" #include "IntPointHash.h" #include "IntRect.h" namespace WebCore { class GraphicsContext; class TiledBackingStore; class Tile : public CoordinatedSurface::Client { public: typedef IntPoint Coordinate; Tile(TiledBackingStore&, const Coordinate&); ~Tile(); bool isDirty() const; void invalidate(const IntRect&); bool updateBackBuffer(); bool isReadyToPaint() const; const Coordinate& coordinate() const { return m_coordinate; } const IntRect& rect() const { return m_rect; } void resize(const IntSize&); void paintToSurfaceContext(GraphicsContext&) override; private: TiledBackingStore& m_tiledBackingStore; Coordinate m_coordinate; IntRect m_rect; uint32_t m_ID; IntRect m_dirtyRect; }; } // namespace WebCore #endif // USE(COORDINATED_GRAPHICS) #endif // Tile_h