KHtml

SVGResourceClipper.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 SVGResourceClipper_h
27 #define SVGResourceClipper_h
28 
29 #if ENABLE(SVG)
30 
31 #include "SVGResource.h"
32 #include "Path.h"
33 
34 // khtml
35 #include "wtf/PassRefPtr.h"
36 
37 namespace WebCore
38 {
39 
40 struct ClipData {
41  Path path;
42  WindRule windRule;
43  bool bboxUnits : 1;
44 };
45 
46 class ClipDataList
47 {
48 public:
49  void addPath(const Path &pathData, WindRule windRule, bool bboxUnits)
50  {
51  ClipData clipData;
52 
53  clipData.path = pathData;
54  clipData.windRule = windRule;
55  clipData.bboxUnits = bboxUnits;
56 
57  m_clipData.append(clipData);
58  }
59 
60  void clear()
61  {
62  m_clipData.clear();
63  }
64  const Vector<ClipData> &clipData() const
65  {
66  return m_clipData;
67  }
68  bool isEmpty() const
69  {
70  return m_clipData.isEmpty();
71  }
72 private:
73  Vector<ClipData> m_clipData;
74 };
75 
76 /*class GraphicsContext;*/
77 
78 class SVGResourceClipper : public SVGResource
79 {
80 public:
81  static PassRefPtr<SVGResourceClipper> create()
82  {
83  return adoptRef(new SVGResourceClipper);
84  }
85  virtual ~SVGResourceClipper();
86 
87  void resetClipData();
88  void addClipData(const Path &, WindRule, bool bboxUnits);
89 
90  const ClipDataList &clipData() const;
91 
92  SVGResourceType resourceType() const override
93  {
94  return ClipperResourceType;
95  }
96  /*virtual TextStream& externalRepresentation(TextStream&) const;*/
97 
98  // To be implemented by the specific rendering devices
99  void applyClip(/*GraphicsContext**/QPainter *painter, const FloatRect &boundingBox) const;
100 private:
101  SVGResourceClipper();
102  ClipDataList m_clipData;
103 };
104 
105 /*TextStream& operator<<(TextStream&, WindRule);
106 TextStream& operator<<(TextStream&, const ClipData&);*/
107 
108 SVGResourceClipper *getClipperById(Document *, const AtomicString &);
109 
110 } // namespace WebCore
111 
112 #endif
113 
114 #endif // SVGResourceClipper_h
QAction * create(StandardAction id, const QObject *recvr, Func slot, QObject *parent)
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