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SbBox2i32.h
1 #ifndef COIN_SBBOX2I32_H
2 #define COIN_SBBOX2I32_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/SbVec2i32.h>
28 #include <Inventor/SbVec2f.h>
29
30 class SbBox2s;
31 class SbBox2f;
32 class SbBox2d;
33
34 class COIN_DLL_API SbBox2i32 {
35 public:
36 SbBox2i32(void) { makeEmpty(); }
37 SbBox2i32(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
38 : minpt(xmin, ymin), maxpt(xmax, ymax) { }
39 SbBox2i32(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint)
40 : minpt(minpoint), maxpt(maxpoint) { }
41 explicit SbBox2i32(const SbBox2s & box) { setBounds(box); }
42 explicit SbBox2i32(const SbBox2f & box) { setBounds(box); }
43 explicit SbBox2i32(const SbBox2d & box) { setBounds(box); }
44
45 SbBox2i32 & setBounds(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
46 { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax); return *this; }
47 SbBox2i32 & setBounds(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint)
48 { minpt = minpoint; maxpt = maxpoint; return *this; }
49 SbBox2i32 & setBounds(const SbBox2s & box);
50 SbBox2i32 & setBounds(const SbBox2f & box);
51 SbBox2i32 & setBounds(const SbBox2d & box);
52
53 void getBounds(int32_t & xmin, int32_t & ymin, int32_t & xmax, int32_t & ymax) const
54 { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
55 void getBounds(SbVec2i32 & minpoint, SbVec2i32 & maxpoint) const
56 { minpoint = minpt; maxpoint = maxpt; }
57
58 const SbVec2i32 & getMin(void) const { return minpt; }
59 SbVec2i32 & getMin(void) { return minpt; }
60 const SbVec2i32 & getMax(void) const { return maxpt; }
61 SbVec2i32 & getMax(void) { return maxpt; }
62
63 void extendBy(const SbVec2i32 & point);
64 void extendBy(const SbBox2i32 & 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 SbVec2i32 & point) const;
70 SbBool intersect(const SbBox2i32 & box) const;
71
72 SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[0] + maxpt[0]) * 0.5f); }
73 void getOrigin(int32_t & originX, int32_t & originY) const
74 { minpt.getValue(originX, originY); }
75 void getSize(int32_t & sizeX, int32_t & 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("SbBox2i32::getAspectRatio()", maxpt[1] - minpt[1]);
80 return float(maxpt[0] - minpt[0]) / float(maxpt[1] - minpt[1]); }
81
82 private:
83 SbVec2i32 minpt, maxpt;
84
85 }; // SbBox2i32
86
87 COIN_DLL_API inline int operator == (const SbBox2i32 & b1, const SbBox2i32 & b2) {
88 return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
89 }
90
91 COIN_DLL_API inline int operator != (const SbBox2i32 & b1, const SbBox2i32 & b2) {
92 return !(b1 == b2);
93 }
94
95 #endif // !COIN_SBBOX2I32_H

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