1/*
2 * Copyright (C) 2010-2011 Nokia Corporation and/or its subsidiary(-ies)
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef Tile_h
27#define Tile_h
28
29#if USE(COORDINATED_GRAPHICS)
30
31#include "IntPoint.h"
32#include "IntPointHash.h"
33#include "IntRect.h"
34
35namespace WebCore {
36
37class TiledBackingStore;
38
39class Tile {
40public:
41 typedef IntPoint Coordinate;
42
43 Tile(TiledBackingStore&, const Coordinate&);
44 ~Tile();
45
46 uint32_t tileID() const { return m_ID; }
47 void ensureTileID();
48
49 const Coordinate& coordinate() const { return m_coordinate; }
50 const IntRect& rect() const { return m_rect; }
51 const IntRect& dirtyRect() const { return m_dirtyRect; }
52 bool isDirty() const;
53 bool isReadyToPaint() const;
54
55 void invalidate(const IntRect&);
56 void markClean();
57 void resize(const IntSize&);
58
59private:
60 TiledBackingStore& m_tiledBackingStore;
61 uint32_t m_ID;
62 Coordinate m_coordinate;
63 IntRect m_rect;
64 IntRect m_dirtyRect;
65};
66
67} // namespace WebCore
68
69#endif // USE(COORDINATED_GRAPHICS)
70
71#endif // Tile_h
72