1/* 2 Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library General Public 6 License as published by the Free Software Foundation; either 7 version 2 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18 */ 19 20#ifndef TiledBackingStoreBackend_h 21#define TiledBackingStoreBackend_h 22 23#if USE(TILED_BACKING_STORE) 24 25#include "Tile.h" 26#include <wtf/PassOwnPtr.h> 27 28namespace WebCore { 29 30class TiledBackingStore; 31 32class TiledBackingStoreBackend { 33 WTF_MAKE_FAST_ALLOCATED; 34public: 35 virtual ~TiledBackingStoreBackend() { } 36 virtual PassRefPtr<Tile> createTile(TiledBackingStore*, const Tile::Coordinate&) = 0; 37 virtual void paintCheckerPattern(GraphicsContext*, const FloatRect&) = 0; 38}; 39 40} 41 42#endif 43 44#endif 45