VectorTransformation2D.h
Go to the documentation of this file.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* libmspub
3  * Version: MPL 1.1 / GPLv2+ / LGPLv2+
4  *
5  * The contents of this file are subject to the Mozilla Public License Version
6  * 1.1 (the "License"); you may not use this file except in compliance with
7  * the License or as specified alternatively below. You may obtain a copy of
8  * the License at http://www.mozilla.org/MPL/
9  *
10  * Software distributed under the License is distributed on an "AS IS" basis,
11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12  * for the specific language governing rights and limitations under the
13  * License.
14  *
15  * Major Contributor(s):
16  * Copyright (C) 2012 Brennan Vincent <brennanv@email.arizona.edu>
17  *
18  * All Rights Reserved.
19  *
20  * For minor contributions see the git repository.
21  *
22  * Alternatively, the contents of this file may be used under the terms of
23  * either the GNU General Public License Version 2 or later (the "GPLv2+"), or
24  * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
25  * in which case the provisions of the GPLv2+ or the LGPLv2+ are applicable
26  * instead of those above.
27  */
28 
29 #ifndef __VECTORTRANSFORMATION2D_H__
30 #define __VECTORTRANSFORMATION2D_H__
31 
32 namespace libmspub
33 {
34 struct Vector2D
35 {
36  double m_x;
37  double m_y;
38  Vector2D(double x, double y) : m_x(x), m_y(y)
39  {
40  }
41 };
42 Vector2D operator+(const Vector2D &l, const Vector2D &r);
43 Vector2D operator-(const Vector2D &l, const Vector2D &r);
45 {
46  double m_m11, m_m12, m_m21, m_m22;
47  double m_x, m_y;
49 public:
50  Vector2D transform(Vector2D original) const;
52  double getRotation() const;
53  double getHorizontalScaling() const;
54  double getVerticalScaling() const;
56  static VectorTransformation2D fromFlips(bool flipH, bool flipV);
57  static VectorTransformation2D fromTranslate(double x, double y);
58  static VectorTransformation2D fromCounterRadians(double theta);
59 };
62 } // namespace libmspub
63 
64 #endif /* __VECTORTRANSFORMATION2D_H__ */
65 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */

Generated for libmspub by doxygen 1.8.1.2