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SbBox2s.h
1 #ifndef COIN_SBBOX2S_H
2 #define COIN_SBBOX2S_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/SbVec2s.h>
28 #include <Inventor/SbVec2f.h>
29 
30 class SbBox2i32;
31 class SbBox2f;
32 class SbBox2d;
33 
34 class COIN_DLL_API SbBox2s {
35 public:
36  SbBox2s(void);
37  SbBox2s(short xmin, short ymin, short xmax, short ymax);
38  SbBox2s(const SbVec2s & boxmin, const SbVec2s & boxmax);
39  explicit SbBox2s(const SbBox2i32 & box) { setBounds(box); }
40  explicit SbBox2s(const SbBox2f & box) { setBounds(box); }
41  explicit SbBox2s(const SbBox2d & box) { setBounds(box); }
42  ~SbBox2s(void);
43 
44  void setBounds(short xmin, short ymin, short xmax, short ymax);
45  void setBounds(const SbVec2s & boxmin, const SbVec2s & boxmax);
46  SbBox2s & setBounds(const SbBox2i32 & box);
47  SbBox2s & setBounds(const SbBox2f & box);
48  SbBox2s & setBounds(const SbBox2d & box);
49 
50  void getBounds(short & xmin, short & ymin, short & xmax, short & ymax) const;
51  void getBounds(SbVec2s & boxmin, SbVec2s & boxmax) const;
52 
53  const SbVec2s & getMin(void) const;
54  SbVec2s & getMin(void) { return minpt; }
55  const SbVec2s & getMax(void) const;
56  SbVec2s & getMax(void) { return maxpt; }
57 
58  void extendBy(const SbVec2s & point);
59  void extendBy(const SbBox2s & box);
60  void makeEmpty(void);
61  SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
62  SbBool hasArea(void) const;
63 
64  SbBool intersect(const SbVec2s & point) const;
65  SbBool intersect(const SbBox2s & box) const;
66 
67  SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[1] + maxpt[1]) * 0.5f); }
68 
69  void getOrigin(short & originX, short & originY) const;
70  void getSize(short & sizeX, short & sizeY) const;
71  float getAspectRatio(void) const;
72  friend COIN_DLL_API int operator ==(const SbBox2s & b1, const SbBox2s & b2);
73  friend COIN_DLL_API int operator !=(const SbBox2s & b1, const SbBox2s & b2);
74 
75 private:
76  SbVec2s minpt, maxpt;
77 
78  short width(void) const;
79  short height(void) const;
80 };
81 
82 COIN_DLL_API int operator ==(const SbBox2s & b1, const SbBox2s & b2);
83 COIN_DLL_API int operator !=(const SbBox2s & b1, const SbBox2s & b2);
84 
85 #endif // !COIN_SBBOX2S_H

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

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