KHtml

SVGResourceMasker.h
1 /*
2  * Copyright (C) 2006 Nikolas Zimmermann <[email protected]>
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 SVGResourceMasker_h
27 #define SVGResourceMasker_h
28 
29 #if ENABLE(SVG)
30 
31 #include "GraphicsContext.h"
32 #include "SVGResource.h"
33 
34 #include <memory>
35 
36 #include <wtf/OwnPtr.h>
37 #include <wtf/PassRefPtr.h>
38 
39 namespace WebCore
40 {
41 
42 class FloatRect;
43 class ImageBuffer;
44 class SVGMaskElement;
45 
46 class SVGResourceMasker : public SVGResource
47 {
48 public:
49  static PassRefPtr<SVGResourceMasker> create(const SVGMaskElement *ownerElement)
50  {
51  return adoptRef(new SVGResourceMasker(ownerElement));
52  }
53  virtual ~SVGResourceMasker();
54 
55  virtual void invalidate();
56 
57  virtual SVGResourceType resourceType() const
58  {
59  return MaskerResourceType;
60  }
61  /*virtual TextStream& externalRepresentation(TextStream&) const;*/
62 
63  // To be implemented by the specific rendering devices
64  void applyMask(/*GraphicsContext**/QPainter *painter, const FloatRect &boundingBox);
65 
66 private:
67  SVGResourceMasker(const SVGMaskElement *);
68 
69  const SVGMaskElement *m_ownerElement;
70 
71  OwnPtr<ImageBuffer> m_mask;
72  FloatRect m_maskRect;
73 };
74 
75 SVGResourceMasker *getMaskerById(Document *, const AtomicString &);
76 
77 } // namespace WebCore
78 
79 #endif
80 
81 #endif // SVGResourceMasker_h
QAction * create(StandardAction id, const QObject *recvr, Func slot, QObject *parent)
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