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SbBox2d.h
1 #ifndef COIN_SBBOX2D_H
2 #define COIN_SBBOX2D_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Systems in Motion about acquiring
18  * a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/SbVec2d.h>
28 
29 class SbBox2f;
30 class SbBox2s;
31 class SbBox2i32;
32 
33 class COIN_DLL_API SbBox2d {
34 public:
35  SbBox2d(void);
36  SbBox2d(double xmin, double ymin, double xmax, double ymax);
37  SbBox2d(const SbVec2d & min, const SbVec2d & max);
38  explicit SbBox2d(const SbBox2f & box) { setBounds(box); }
39  explicit SbBox2d(const SbBox2s & box) { setBounds(box); }
40  explicit SbBox2d(const SbBox2i32 & box) { setBounds(box); }
41  ~SbBox2d(void);
42 
43  void setBounds(double xmin, double ymin, double xmax, double ymax);
44  void setBounds(const SbVec2d & min, const SbVec2d & max);
45  SbBox2d & setBounds(const SbBox2f & box);
46  SbBox2d & setBounds(const SbBox2s & box);
47  SbBox2d & setBounds(const SbBox2i32 & box);
48 
49  void getBounds(double & xmin, double & ymin, double & xmax, double & ymax) const;
50  void getBounds(SbVec2d & min, SbVec2d & max) const;
51 
52  const SbVec2d & getMin(void) const;
53  SbVec2d & getMin(void) { return maxpt; }
54  const SbVec2d & getMax(void) const;
55  SbVec2d & getMax(void) { return maxpt; }
56 
57  void extendBy(const SbVec2d & point);
58  void extendBy(const SbBox2d & box);
59  void makeEmpty(void);
60  SbBool isEmpty(void) const;
61  SbBool hasArea(void) const;
62 
63  SbBool intersect(const SbVec2d & point) const;
64  SbBool intersect(const SbBox2d & box) const;
65  SbVec2d getClosestPoint(const SbVec2d & p) const;
66  SbBool findIntersection(const SbVec2d & a, const SbVec2d & b, SbVec2d & ia, SbVec2d & ib) const;
67 
68  SbVec2d getCenter(void) const;
69  void getOrigin(double & x0, double & y0) const;
70  void getSize(double & w, double & h) const;
71  double getAspectRatio(void) const;
72 
73  friend COIN_DLL_API int operator ==(const SbBox2d & b1, const SbBox2d & b2);
74  friend COIN_DLL_API int operator !=(const SbBox2d & b1, const SbBox2d & b2);
75 
76 private:
77  SbVec2d minpt, maxpt;
78 
79  double width(void) const;
80  double height(void) const;
81 };
82 
83 COIN_DLL_API int operator == (const SbBox2d & b1, const SbBox2d & b2);
84 COIN_DLL_API int operator != (const SbBox2d & b1, const SbBox2d & b2);
85 
86 #endif // !COIN_SBBOX2D_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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