KHtml

SVGAnimateMotionElement.h
1 /*
2  Copyright (C) 2007 Eric Seidel <[email protected]>
3  Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 
5  This file is part of the WebKit project
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Library General Public
9  License as published by the Free Software Foundation; either
10  version 2 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Library General Public License for more details.
16 
17  You should have received a copy of the GNU Library General Public License
18  along with this library; see the file COPYING.LIB. If not, write to
19  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef SVGAnimateMotionElement_h
24 #define SVGAnimateMotionElement_h
25 #if ENABLE(SVG_ANIMATION)
26 
27 #include "SVGAnimationElement.h"
28 #include "AffineTransform.h"
29 #include "Path.h"
30 
31 namespace WebCore
32 {
33 
34 class SVGAnimateMotionElement : public SVGAnimationElement
35 {
36 public:
37  SVGAnimateMotionElement(const QualifiedName &, Document *);
38  virtual ~SVGAnimateMotionElement();
39 
40  virtual bool hasValidTarget() const;
41 
42  virtual void parseMappedAttribute(MappedAttribute *);
43 
44 private:
45  virtual const SVGElement *contextElement() const
46  {
47  return this;
48  }
49 
50  virtual void resetToBaseValue(const String &);
51  virtual bool calculateFromAndToValues(const String &fromString, const String &toString);
52  virtual bool calculateFromAndByValues(const String &fromString, const String &byString);
53  virtual void calculateAnimatedValue(float percentage, unsigned repeat, SVGSMILElement *resultElement);
54  virtual void applyResultsToTarget();
55  virtual float calculateDistance(const String &fromString, const String &toString);
56  virtual Path animationPath() const;
57 
58  enum RotateMode {
59  RotateAngle,
60  RotateAuto,
61  RotateAutoReverse
62  };
63  RotateMode rotateMode() const;
64 
65  FloatSize m_animatedTranslation;
66  float m_animatedAngle;
67 
68  // Note: we do not support percentage values for to/from coords as the spec implies we should (opera doesn't either)
69  FloatPoint m_fromPoint;
70  float m_fromAngle;
71  FloatPoint m_toPoint;
72  float m_toAngle;
73 
74  unsigned m_baseIndexInTransformList;
75 
76  Path m_path;
77  Vector<float> m_keyPoints;
78  float m_angle;
79 };
80 
81 } // namespace WebCore
82 
83 #endif // ENABLE(SVG_ANIMATION)
84 #endif // SVGAnimateMotionElement_h
85 
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