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1 /*
2  Copyright (C) 2010 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 TiledBackingStoreClient_h
21 #define TiledBackingStoreClient_h
22 
23 namespace WebCore {
24 
25 #if ENABLE(TILED_BACKING_STORE)
26 class TiledBackingStoreClient {
27 public:
28     virtual void tiledBackingStorePaintBegin() = 0;
29     virtual void tiledBackingStorePaint(GraphicsContext*, const IntRect&) = 0;
30     virtual void tiledBackingStorePaintEnd(const Vector<IntRect>& paintedArea) = 0;
31     virtual IntRect tiledBackingStoreContentsRect() = 0;
32     virtual IntRect tiledBackingStoreVisibleRect() = 0;
33     virtual Color tiledBackingStoreBackgroundColor() const = 0;
34 };
35 
36 #else
37 class TiledBackingStoreClient {};
38 #endif
39 
40 }
41 
42 #endif
43