/* | |
* 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, 2009, 2010 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 "RenderReplaced.h" | |
namespace WebCore { | |
class HTMLMapElement; | |
class RenderImage : public RenderReplaced { | |
public: | |
RenderImage(Node*); | |
virtual ~RenderImage(); | |
bool setImageSizeForAltText(CachedImage* newImage = 0); | |
void updateAltText(); | |
void setCachedImage(CachedImage*); | |
CachedImage* cachedImage() const { return m_cachedImage.get(); } | |
HTMLMapElement* imageMap() const; | |
void resetAnimation(); | |
virtual bool hasImage() const { return m_cachedImage; } | |
void highQualityRepaintTimerFired(Timer<RenderImage>*); | |
protected: | |
virtual Image* image(int /* width */ = 0, int /* height */ = 0) { return m_cachedImage ? m_cachedImage->image() : nullImage(); } | |
virtual bool errorOccurred() const { return m_cachedImage && m_cachedImage->errorOccurred(); } | |
virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); | |
virtual void paintIntoRect(GraphicsContext*, const IntRect&); | |
void paintFocusRings(PaintInfo&, const RenderStyle*); | |
virtual void paint(PaintInfo&, int tx, int ty); | |
bool isWidthSpecified() const; | |
bool isHeightSpecified() const; | |
virtual void intrinsicSizeChanged() { imageChanged(imagePtr()); } | |
private: | |
virtual const char* renderName() const { return "RenderImage"; } | |
virtual bool isImage() const { return true; } | |
virtual bool isRenderImage() const { return true; } | |
virtual void paintReplaced(PaintInfo&, int tx, int ty); | |
virtual int minimumReplacedHeight() const; | |
virtual void notifyFinished(CachedResource*); | |
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction); | |
virtual int calcReplacedWidth(bool includeMaxWidth = true) const; | |
virtual int calcReplacedHeight() const; | |
virtual void calcPrefWidths(); | |
virtual bool usesImageContainerSize() const { return m_cachedImage ? m_cachedImage->usesImageContainerSize() : false; } | |
virtual void setImageContainerSize(const IntSize& size) const { if (m_cachedImage) m_cachedImage->setImageContainerSize(size); } | |
virtual bool imageHasRelativeWidth() const { return m_cachedImage ? m_cachedImage->imageHasRelativeWidth() : false; } | |
virtual bool imageHasRelativeHeight() const { return m_cachedImage ? m_cachedImage->imageHasRelativeHeight() : false; } | |
virtual IntSize imageSize(float multiplier) const { return m_cachedImage ? m_cachedImage->imageSize(multiplier) : IntSize(); } | |
virtual WrappedImagePtr imagePtr() const { return m_cachedImage.get(); } | |
int calcAspectRatioWidth() const; | |
int calcAspectRatioHeight() const; | |
protected: | |
// The image we are rendering. | |
CachedResourceHandle<CachedImage> m_cachedImage; | |
private: | |
// Text to display as long as the image isn't available. | |
String m_altText; | |
static Image* nullImage(); | |
friend class RenderImageScaleObserver; | |
}; | |
inline RenderImage* toRenderImage(RenderObject* object) | |
{ | |
ASSERT(!object || object->isRenderImage()); | |
return static_cast<RenderImage*>(object); | |
} | |
inline const RenderImage* toRenderImage(const RenderObject* object) | |
{ | |
ASSERT(!object || object->isRenderImage()); | |
return static_cast<const RenderImage*>(object); | |
} | |
// This will catch anyone doing an unnecessary cast. | |
void toRenderImage(const RenderImage*); | |
} // namespace WebCore | |
#endif // RenderImage_h |