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      1 /*
      2  * Copyright (C) 2006 Eric Seidel (eric (at) webkit.org)
      3  * Copyright (C) 2009 Apple Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef SVGImage_h
     28 #define SVGImage_h
     29 
     30 #if ENABLE(SVG)
     31 
     32 #include "Image.h"
     33 
     34 namespace WebCore {
     35 
     36     class ImageBuffer;
     37     class Page;
     38     class SVGImageChromeClient;
     39 
     40     class SVGImage : public Image {
     41     public:
     42         static PassRefPtr<SVGImage> create(ImageObserver* observer)
     43         {
     44             return adoptRef(new SVGImage(observer));
     45         }
     46 
     47     private:
     48         virtual ~SVGImage();
     49 
     50         virtual String filenameExtension() const;
     51 
     52         virtual void setContainerSize(const IntSize&);
     53         virtual bool usesContainerSize() const;
     54         virtual bool hasRelativeWidth() const;
     55         virtual bool hasRelativeHeight() const;
     56 
     57         virtual IntSize size() const;
     58 
     59         virtual bool dataChanged(bool allDataReceived);
     60 
     61         // FIXME: SVGImages are underreporting decoded sizes and will be unable
     62         // to prune because these functions are not implemented yet.
     63         virtual void destroyDecodedData(bool) { }
     64         virtual unsigned decodedSize() const { return 0; }
     65 
     66         virtual NativeImagePtr frameAtIndex(size_t) { return 0; }
     67 
     68         SVGImage(ImageObserver*);
     69         virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, ColorSpace styleColorSpace, CompositeOperator);
     70 
     71         virtual NativeImagePtr nativeImageForCurrentFrame();
     72 
     73         OwnPtr<SVGImageChromeClient> m_chromeClient;
     74         OwnPtr<Page> m_page;
     75         OwnPtr<ImageBuffer> m_frameCache;
     76     };
     77 }
     78 
     79 #endif // ENABLE(SVG)
     80 
     81 #endif
     82