Home | History | Annotate | Download | only in rendering
      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 
     33 namespace WebCore {
     34 
     35 class StyleImage;
     36 
     37 class RenderImageGeneratedContent : public RenderImage {
     38 public:
     39     RenderImageGeneratedContent(Node*);
     40     virtual ~RenderImageGeneratedContent();
     41 
     42     void setStyleImage(StyleImage*);
     43 
     44     virtual bool hasImage() const { return true; }
     45 
     46 protected:
     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 
     58 private:
     59     RefPtr<StyleImage> m_styleImage;
     60 };
     61 
     62 } // namespace WebCore
     63 
     64 #endif // RenderImageGeneratedContent_h
     65