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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) by Kongsberg Oil & Gas Technologies.
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 Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, 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
30class SbBox2i32;
31class SbBox2f;
32class SbBox2d;
33
34class COIN_DLL_API SbBox2s {
35public:
36 SbBox2s(void) { makeEmpty(); }
37 SbBox2s(short xmin, short ymin, short xmax, short ymax)
38 : minpt(xmin, ymin), maxpt(xmax, ymax) { }
39 SbBox2s(const SbVec2s & minpoint, const SbVec2s & maxpoint)
40 : minpt(minpoint), maxpt(maxpoint) { }
41 explicit SbBox2s(const SbBox2i32 & box) { setBounds(box); }
42 explicit SbBox2s(const SbBox2f & box) { setBounds(box); }
43 explicit SbBox2s(const SbBox2d & box) { setBounds(box); }
44
45 SbBox2s & setBounds(short xmin, short ymin, short xmax, short ymax)
46 { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax); return *this; }
47 SbBox2s & setBounds(const SbVec2s & minpoint, const SbVec2s & maxpoint)
48 { minpt = minpoint; maxpt = maxpoint; return *this; }
49 SbBox2s & setBounds(const SbBox2i32 & box);
50 SbBox2s & setBounds(const SbBox2f & box);
51 SbBox2s & setBounds(const SbBox2d & box);
52
53 void getBounds(short & xmin, short & ymin, short & xmax, short & ymax) const
54 { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
55 void getBounds(SbVec2s & minpoint, SbVec2s & maxpoint) const
56 { minpoint = minpt; maxpoint = maxpt; }
57
58 const SbVec2s & getMin(void) const { return minpt; }
59 SbVec2s & getMin(void) { return minpt; }
60 const SbVec2s & getMax(void) const { return maxpt; }
61 SbVec2s & getMax(void) { return maxpt; }
62
63 void extendBy(const SbVec2s & point);
64 void extendBy(const SbBox2s & box);
65 void makeEmpty(void);
66 SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
67 SbBool hasArea(void) const { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1])); }
68
69 SbBool intersect(const SbVec2s & point) const;
70 SbBool intersect(const SbBox2s & box) const;
71
72 SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[1] + maxpt[1]) * 0.5f); }
73 void getOrigin(short & originX, short & originY) const
74 { minpt.getValue(originX, originY); }
75 void getSize(short & sizeX, short & sizeY) const
76 { if (isEmpty()) { sizeX = sizeY = 0; }
77 else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } }
78 float getAspectRatio(void) const
79 { SbDividerChk("SbBox2s::getAspectRatio()", maxpt[1] - minpt[1]);
80 return (float(maxpt[0] - minpt[0]) / float(maxpt[1] - minpt[1])); }
81
82private:
83 SbVec2s minpt, maxpt;
84
85}; // SbBox2s
86
87COIN_DLL_API inline int operator == (const SbBox2s & b1, const SbBox2s & b2) {
88 return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
89}
90
91COIN_DLL_API inline int operator != (const SbBox2s & b1, const SbBox2s & b2) {
92 return !(b1 == b2);
93}
94
95#endif // !COIN_SBBOX2S_H
The SbBox2d class is a 2 dimensional box with double precision corner coordinates.
Definition SbBox2d.h:33
The SbBox2f class is a 2 dimensional box with floating point corner coordinates.
Definition SbBox2f.h:33
The SbBox2s class is a 2 dimensional box with short integer coordinates.
Definition SbBox2s.h:34
SbBox2s & setBounds(short xmin, short ymin, short xmax, short ymax)
Definition SbBox2s.h:45
const SbVec2s & getMin(void) const
Definition SbBox2s.h:58
float getAspectRatio(void) const
Definition SbBox2s.h:78
void getBounds(short &xmin, short &ymin, short &xmax, short &ymax) const
Definition SbBox2s.h:53
const SbVec2s & getMax(void) const
Definition SbBox2s.h:60
void getOrigin(short &originX, short &originY) const
Definition SbBox2s.h:73
SbBox2s(void)
Definition SbBox2s.h:36
void getSize(short &sizeX, short &sizeY) const
Definition SbBox2s.h:75
SbBox2s(const SbVec2s &minpoint, const SbVec2s &maxpoint)
Definition SbBox2s.h:39
void getBounds(SbVec2s &minpoint, SbVec2s &maxpoint) const
Definition SbBox2s.h:55
SbBox2s(short xmin, short ymin, short xmax, short ymax)
Definition SbBox2s.h:37
SbBox2s & setBounds(const SbVec2s &minpoint, const SbVec2s &maxpoint)
Definition SbBox2s.h:47
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition SbVec2f.h:39
The SbVec2s class is a 2 dimensional vector with short integer coordinates.
Definition SbVec2s.h:41

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