CDRTransforms.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3  * This file is part of the libcdr project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  */
9 
10 #ifndef __CDRTRANSFORMS_H__
11 #define __CDRTRANSFORMS_H__
12 
13 #include <vector>
14 #include <math.h>
15 
16 namespace libcdr
17 {
18 class CDRPath;
19 
21 {
22 public:
23  CDRTransform();
24  CDRTransform(double v0, double v1, double x0, double v3, double v4, double y0);
25  CDRTransform(const CDRTransform &trafo);
26 
27  void applyToPoint(double &x, double &y) const;
28  void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &endx, double &endy) const;
29  double getScaleX() const;
30  double getScaleY() const;
31  double getTranslateX() const;
32  double getTranslateY() const;
33  bool getFlipX() const;
34  bool getFlipY() const;
35 
36 private:
37  double _getScaleX() const;
38  double _getScaleY() const;
39  double m_v0;
40  double m_v1;
41  double m_x0;
42  double m_v3;
43  double m_v4;
44  double m_y0;
45 };
46 
48 {
49 public:
50  CDRTransforms();
51  CDRTransforms(const CDRTransforms &trafos);
53 
54  void append(double v0, double v1, double x0, double v3, double v4, double y0);
55  void append(const CDRTransform &trafo);
56  void clear();
57  bool empty() const;
58 
59  void applyToPoint(double &x, double &y) const;
60  void applyToArc(double &rx, double &ry, double &rotation, bool &sweep, double &x, double &y) const;
61  double getScaleX() const;
62  double getScaleY() const;
63  double getTranslateX() const;
64  double getTranslateY() const;
65  bool getFlipX() const;
66  bool getFlipY() const;
67 
68 private:
69  double _getScaleX() const;
70  double _getScaleY() const;
71  std::vector<CDRTransform> m_trafos;
72 };
73 
74 } // namespace libcdr
75 
76 #endif /* __CDRTRANSFORMS_H__ */
77 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */

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