2 Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
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.
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.
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.
20 #ifndef TiledBackingStoreClient_h
21 #define TiledBackingStoreClient_h
25 #if ENABLE(TILED_BACKING_STORE)
27 class GraphicsContext;
29 class TiledBackingStoreClient {
31 virtual void tiledBackingStorePaintBegin() = 0;
32 virtual void tiledBackingStorePaint(GraphicsContext*, const IntRect&) = 0;
33 virtual void tiledBackingStorePaintEnd(const Vector<IntRect>& paintedArea) = 0;
34 virtual bool tiledBackingStoreUpdatesAllowed() const { return true; }
35 virtual IntRect tiledBackingStoreContentsRect() = 0;
36 virtual IntRect tiledBackingStoreVisibleRect() = 0;
37 virtual Color tiledBackingStoreBackgroundColor() const = 0;
41 class TiledBackingStoreClient {};