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