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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
* (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef RenderImage_h
#define RenderImage_h
#include "CachedImage.h"
#include "RenderReplaced.h"
namespace WebCore {
class HTMLMapElement;
class RenderImage : public RenderReplaced {
public:
RenderImage(Node*);
virtual ~RenderImage();
virtual const char* renderName() const { return "RenderImage"; }
virtual bool isImage() const { return true; }
virtual void paintReplaced(PaintInfo& paintInfo, int tx, int ty);
virtual int minimumReplacedHeight() const;
virtual void imageChanged(CachedImage*);
bool setImageSizeForAltText(CachedImage* newImage = 0);
void updateAltText();
void setIsAnonymousImage(bool anon) { m_isAnonymousImage = anon; }
bool isAnonymousImage() { return m_isAnonymousImage; }
void setCachedImage(CachedImage*);
CachedImage* cachedImage() const { return m_cachedImage; }
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
virtual int calcReplacedWidth() const;
virtual int calcReplacedHeight() const;
virtual void calcPrefWidths();
HTMLMapElement* imageMap();
void resetAnimation();
protected:
Image* image() { return m_cachedImage ? m_cachedImage->image() : nullImage(); }
bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); }
private:
int calcAspectRatioWidth() const;
int calcAspectRatioHeight() const;
bool isWidthSpecified() const;
bool isHeightSpecified() const;
// The image we are rendering.
CachedImage* m_cachedImage;
// True if the image is set through the content: property
bool m_isAnonymousImage;
// Text to display as long as the image isn't available.
String m_altText;
static Image* nullImage();
};
} // namespace WebCore
#endif // RenderImage_h
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