1/*
2 * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
3 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
4 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
5 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
6 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
7 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * Library General Public License for more details.
18 *
19 * You should have received a copy of the GNU Library General Public License
20 * along with this library; see the file COPYING.LIB.  If not, write to
21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
23 *
24 */
25
26#ifndef RenderImageResource_h
27#define RenderImageResource_h
28
29#include "CachedImage.h"
30#include "CachedResourceHandle.h"
31#include "StyleImage.h"
32
33namespace WebCore {
34
35class CachedImage;
36class RenderElement;
37
38class RenderImageResource {
39    WTF_MAKE_NONCOPYABLE(RenderImageResource); WTF_MAKE_FAST_ALLOCATED;
40public:
41    RenderImageResource();
42    virtual ~RenderImageResource();
43
44    virtual void initialize(RenderElement*);
45    virtual void shutdown();
46
47    void setCachedImage(CachedImage*);
48    CachedImage* cachedImage() const { return m_cachedImage.get(); }
49    virtual bool hasImage() const { return m_cachedImage; }
50
51    void resetAnimation();
52
53    virtual PassRefPtr<Image> image(int width = 0, int height = 0) const;
54    virtual bool errorOccurred() const;
55
56    virtual void setContainerSizeForRenderer(const IntSize&);
57    virtual bool imageHasRelativeWidth() const;
58    virtual bool imageHasRelativeHeight() const;
59
60    virtual LayoutSize imageSize(float multiplier) const;
61    virtual LayoutSize intrinsicSize(float multiplier) const;
62
63    virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); }
64
65protected:
66    RenderElement* m_renderer;
67    CachedResourceHandle<CachedImage> m_cachedImage;
68
69private:
70    LayoutSize getImageSize(float multiplier, CachedImage::SizeType) const;
71};
72
73} // namespace WebCore
74
75#endif // RenderImage_h
76