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SVGImage.h

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00001 /*
00002  * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  * 1. Redistributions of source code must retain the above copyright
00008  *    notice, this list of conditions and the following disclaimer.
00009  * 2. Redistributions in binary form must reproduce the above copyright
00010  *    notice, this list of conditions and the following disclaimer in the
00011  *    documentation and/or other materials provided with the distribution.
00012  *
00013  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
00014  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00015  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00016  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
00017  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00018  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00019  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00020  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
00021  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00022  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00023  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
00024  */
00025 
00026 #ifndef SVGImage_h
00027 #define SVGImage_h
00028 
00029 #if ENABLE(SVG)
00030 
00031 #include "Image.h"
00032 #include "ImageBuffer.h"
00033 #include "IntSize.h"
00034 #include <wtf/OwnPtr.h>
00035 
00036 namespace WebCore {
00037     
00038     class SVGDocument;
00039     class Frame;
00040     class FrameView;
00041     class Page;
00042     
00043     class SVGImage : public Image {
00044     public:
00045         SVGImage(ImageObserver*);
00046         ~SVGImage();
00047 
00048         virtual void setContainerSize(const IntSize&);
00049         virtual bool usesContainerSize() const;
00050         virtual bool hasRelativeWidth() const;
00051         virtual bool hasRelativeHeight() const;
00052 
00053         virtual IntSize size() const;
00054         
00055         virtual bool dataChanged(bool allDataReceived);
00056 
00057         virtual NativeImagePtr frameAtIndex(size_t) { return 0; }
00058         
00059 private:
00060         virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, CompositeOperator);
00061         
00062         virtual NativeImagePtr nativeImageForCurrentFrame();
00063         
00064         SVGDocument* m_document;
00065         OwnPtr<Page> m_page;
00066         RefPtr<Frame> m_frame;
00067         RefPtr<FrameView> m_frameView;
00068         IntSize m_minSize;
00069         OwnPtr<ImageBuffer> m_frameCache;
00070     };
00071 }
00072 
00073 #endif // ENABLE(SVG)
00074 
00075 #endif

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