1 /*
2  * Copyright (C) 2006 Eric Seidel <eric@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 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 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 Page;
37 class SVGImageChromeClient;
38 
39 class SVGImage : public Image {
40 public:
create(ImageObserver * observer)41     static PassRefPtr<SVGImage> create(ImageObserver* observer)
42     {
43         return adoptRef(new SVGImage(observer));
44     }
45 
46 private:
47     virtual ~SVGImage();
48 
49     virtual String filenameExtension() const;
50 
51     virtual void setContainerSize(const IntSize&);
52     virtual bool usesContainerSize() const;
53     virtual bool hasRelativeWidth() const;
54     virtual bool hasRelativeHeight() const;
55 
56     virtual IntSize size() const;
57 
58     virtual bool dataChanged(bool allDataReceived);
59 
60     // FIXME: SVGImages are underreporting decoded sizes and will be unable
61     // to prune because these functions are not implemented yet.
destroyDecodedData(bool)62     virtual void destroyDecodedData(bool) { }
decodedSize()63     virtual unsigned decodedSize() const { return 0; }
64 
frameAtIndex(size_t)65     virtual NativeImagePtr frameAtIndex(size_t) { return 0; }
66 
67     SVGImage(ImageObserver*);
68     virtual void draw(GraphicsContext*, const FloatRect& fromRect, const FloatRect& toRect, ColorSpace styleColorSpace, CompositeOperator);
69 
70     virtual NativeImagePtr nativeImageForCurrentFrame();
71 
72     OwnPtr<SVGImageChromeClient> m_chromeClient;
73     OwnPtr<Page> m_page;
74     RefPtr<Image> m_frameCache;
75 };
76 }
77 
78 #endif // ENABLE(SVG)
79 #endif // SVGImage_h
80