1/*
2 * Copyright (C) 2008 Apple Computer, Inc.  All rights reserved.
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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef RenderImageGeneratedContent_h
27#define RenderImageGeneratedContent_h
28
29#include "RenderImage.h"
30#include "StyleImage.h"
31#include <wtf/RefPtr.h>
32
33namespace WebCore {
34
35class StyleImage;
36
37class RenderImageGeneratedContent : public RenderImage {
38public:
39    RenderImageGeneratedContent(Node*);
40    virtual ~RenderImageGeneratedContent();
41
42    void setStyleImage(StyleImage*);
43
44    virtual bool hasImage() const { return true; }
45
46protected:
47    virtual Image* image(int w = 0, int h = 0) { return m_styleImage->image(this, IntSize(w, h)); }
48    virtual bool errorOccurred() const { return m_styleImage->errorOccurred(); }
49    virtual bool usesImageContainerSize() const { return m_styleImage->usesImageContainerSize(); }
50    virtual void setImageContainerSize(const IntSize& size) const { m_styleImage->setImageContainerSize(size); }
51    virtual bool imageHasRelativeWidth() const { return m_styleImage->imageHasRelativeWidth(); }
52    virtual bool imageHasRelativeHeight() const { return m_styleImage->imageHasRelativeHeight(); }
53    virtual IntSize imageSize(float multiplier) const { return m_styleImage->imageSize(this, multiplier); }
54
55    // |m_styleImage| can be 0 if we get a callback for a background image from RenderObject::setStyle.
56    virtual WrappedImagePtr imagePtr() const { return m_styleImage ? m_styleImage->data() : 0; }
57
58private:
59    RefPtr<StyleImage> m_styleImage;
60};
61
62} // namespace WebCore
63
64#endif // RenderImageGeneratedContent_h
65