1/*
2 * Copyright (C) 2011,2014 Igalia S.L.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#ifndef BackingStoreBackendCairo_h
20#define BackingStoreBackendCairo_h
21
22#if USE(CAIRO)
23
24#include "IntRect.h"
25#include "RefPtrCairo.h"
26#include <wtf/FastMalloc.h>
27#include <wtf/Noncopyable.h>
28
29typedef struct _cairo_surface cairo_surface_t;
30
31namespace WebCore {
32
33class BackingStoreBackendCairo {
34 WTF_MAKE_NONCOPYABLE(BackingStoreBackendCairo);
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 virtual ~BackingStoreBackendCairo() = default;
38
39 cairo_surface_t* surface() const { return m_surface.get(); }
40 const IntSize& size() const { return m_size; }
41
42 virtual void scroll(const IntRect& scrollRect, const IntSize& scrollOffset) = 0;
43
44protected:
45 BackingStoreBackendCairo(const IntSize& size)
46 : m_size(size)
47 {
48 }
49
50 RefPtr<cairo_surface_t> m_surface;
51 IntSize m_size;
52};
53
54
55} // namespace WebCore
56
57#endif // USE(CAIRO)
58
59#endif // BackingStoreBackendCairo_h
60