KHtml

SVGAngle.h
1 /*
2  Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <[email protected]>
3  2004, 2005, 2006 Rob Buis <[email protected]>
4 
5  This file is part of the KDE 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 SVGAngle_h
24 #define SVGAngle_h
25 
26 #if ENABLE(SVG)
27 //#include "PlatformString.h"
28 #include "wtf/RefCounted.h"
29 #include "SVGNames.h"
30 
31 namespace WebCore
32 {
33 
34 class SVGStyledElement;
35 
36 class SVGAngle : public RefCounted<SVGAngle>
37 {
38 public:
39  SVGAngle();
40  virtual ~SVGAngle();
41 
42  enum SVGAngleType {
43  SVG_ANGLETYPE_UNKNOWN = 0,
44  SVG_ANGLETYPE_UNSPECIFIED = 1,
45  SVG_ANGLETYPE_DEG = 2,
46  SVG_ANGLETYPE_RAD = 3,
47  SVG_ANGLETYPE_GRAD = 4
48  };
49 
50  SVGAngleType unitType() const;
51 
52  void setValue(float);
53  float value() const;
54 
55  void setValueInSpecifiedUnits(float valueInSpecifiedUnits);
56  float valueInSpecifiedUnits() const;
57 
58  void setValueAsString(const String &);
59  String valueAsString() const;
60 
61  void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
62  void convertToSpecifiedUnits(unsigned short unitType);
63 
64  // Helpers
65  static double todeg(double rad);
66  static double torad(double deg);
67 
68  // Returns the angle that divides the shortest arc between the two angles.
69  static double shortestArcBisector(double angle1, double angle2);
70 
71  // Throughout SVG 1.1 'SVGAngle' is only used for 'SVGMarkerElement' (orient-angle)
72  const QualifiedName &associatedAttributeName() const
73  {
74  return SVGNames::orientAttr;
75  }
76 
77 private:
78  SVGAngleType m_unitType;
79  float m_value;
80  float m_valueInSpecifiedUnits;
81  mutable String m_valueAsString;
82 
83  void calculate();
84 };
85 
86 } // namespace WebCore
87 
88 #endif // ENABLE(SVG)
89 #endif // SVGAngle_h
This file is part of the KDE documentation.
Documentation copyright © 1996-2021 The KDE developers.
Generated on Tue Oct 26 2021 22:48:09 by doxygen 1.8.11 written by Dimitri van Heesch, © 1997-2006

KDE's Doxygen guidelines are available online.