/* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef TileQt_h #define TileQt_h #if USE(TILED_BACKING_STORE) #include "IntPoint.h" #include "IntRect.h" #include "Tile.h" #include #include QT_BEGIN_NAMESPACE class QPixmap; class QRegion; QT_END_NAMESPACE namespace WebCore { class TiledBackingStore; class TileQt : public Tile { public: typedef IntPoint Coordinate; static PassRefPtr create(TiledBackingStore* backingStore, const Coordinate& tileCoordinate) { return adoptRef(new TileQt(backingStore, tileCoordinate)); } ~TileQt(); bool isDirty() const; void invalidate(const IntRect&); Vector updateBackBuffer(); void swapBackBufferToFront(); bool isReadyToPaint() const; void paint(GraphicsContext*, const IntRect&); const Tile::Coordinate& coordinate() const { return m_coordinate; } const IntRect& rect() const { return m_rect; } void resize(const WebCore::IntSize&); private: TileQt(TiledBackingStore*, const Coordinate&); TiledBackingStore* m_backingStore; Coordinate m_coordinate; IntRect m_rect; QPixmap* m_buffer; QPixmap* m_backBuffer; QRegion* m_dirtyRegion; }; } #endif #endif