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SbBox2s.h
1 #ifndef COIN_SBBOX2S_H
2 #define COIN_SBBOX2S_H
3 
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35 
36 #include <Inventor/SbVec2s.h>
37 #include <Inventor/SbVec2f.h>
38 
39 class SbBox2i32;
40 class SbBox2f;
41 class SbBox2d;
42 
43 class COIN_DLL_API SbBox2s {
44 public:
45  SbBox2s(void) { makeEmpty(); }
46  SbBox2s(short xmin, short ymin, short xmax, short ymax)
47  : minpt(xmin, ymin), maxpt(xmax, ymax) { }
48  SbBox2s(const SbVec2s & minpoint, const SbVec2s & maxpoint)
49  : minpt(minpoint), maxpt(maxpoint) { }
50  explicit SbBox2s(const SbBox2i32 & box) { setBounds(box); }
51  explicit SbBox2s(const SbBox2f & box) { setBounds(box); }
52  explicit SbBox2s(const SbBox2d & box) { setBounds(box); }
53 
54  SbBox2s & setBounds(short xmin, short ymin, short xmax, short ymax)
55  { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax); return *this; }
56  SbBox2s & setBounds(const SbVec2s & minpoint, const SbVec2s & maxpoint)
57  { minpt = minpoint; maxpt = maxpoint; return *this; }
58  SbBox2s & setBounds(const SbBox2i32 & box);
59  SbBox2s & setBounds(const SbBox2f & box);
60  SbBox2s & setBounds(const SbBox2d & box);
61 
62  void getBounds(short & xmin, short & ymin, short & xmax, short & ymax) const
63  { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
64  void getBounds(SbVec2s & minpoint, SbVec2s & maxpoint) const
65  { minpoint = minpt; maxpoint = maxpt; }
66 
67  const SbVec2s & getMin(void) const { return minpt; }
68  SbVec2s & getMin(void) { return minpt; }
69  const SbVec2s & getMax(void) const { return maxpt; }
70  SbVec2s & getMax(void) { return maxpt; }
71 
72  void extendBy(const SbVec2s & point);
73  void extendBy(const SbBox2s & box);
74  void makeEmpty(void);
75  SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
76  SbBool hasArea(void) const { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1])); }
77 
78  SbBool intersect(const SbVec2s & point) const;
79  SbBool intersect(const SbBox2s & box) const;
80 
81  SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[1] + maxpt[1]) * 0.5f); }
82  void getOrigin(short & originX, short & originY) const
83  { minpt.getValue(originX, originY); }
84  void getSize(short & sizeX, short & sizeY) const
85  { if (isEmpty()) { sizeX = sizeY = 0; }
86  else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } }
87  SbVec2s getSize(void) const {
88  SbVec2s v;
89  this->getSize(v[0], v[1]);
90  return v;
91  }
92 
93  float getAspectRatio(void) const
94  { SbDividerChk("SbBox2s::getAspectRatio()", maxpt[1] - minpt[1]);
95  return (float(maxpt[0] - minpt[0]) / float(maxpt[1] - minpt[1])); }
96 
97 private:
98  SbVec2s minpt, maxpt;
99 
100 }; // SbBox2s
101 
102 COIN_DLL_API inline int operator == (const SbBox2s & b1, const SbBox2s & b2) {
103  return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
104 }
105 
106 COIN_DLL_API inline int operator != (const SbBox2s & b1, const SbBox2s & b2) {
107  return !(b1 == b2);
108 }
109 
110 #endif // !COIN_SBBOX2S_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:49
SbBox2s(const SbVec2s &minpoint, const SbVec2s &maxpoint)
Definition: SbBox2s.h:48
const SbVec2s & getMin(void) const
Definition: SbBox2s.h:67
The SbBox2d class is a 2 dimensional box with double precision corner coordinates.
Definition: SbBox2d.h:42
void getBounds(SbVec2s &minpoint, SbVec2s &maxpoint) const
Definition: SbBox2s.h:64
int operator==(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:102
SbBox2s & setBounds(const SbVec2s &minpoint, const SbVec2s &maxpoint)
Definition: SbBox2s.h:56
SbBox2s(short xmin, short ymin, short xmax, short ymax)
Definition: SbBox2s.h:46
void getBounds(short &xmin, short &ymin, short &xmax, short &ymax) const
Definition: SbBox2s.h:62
int operator!=(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:106
const SbVec2s & getMax(void) const
Definition: SbBox2s.h:69
The SbBox2s class is a 2 dimensional box with short integer coordinates.
Definition: SbBox2s.h:43
The SbBox2f class is a 2 dimensional box with floating point corner coordinates.
Definition: SbBox2f.h:42
void getSize(short &sizeX, short &sizeY) const
Definition: SbBox2s.h:84
The SbBox2i32 class is a 2 dimensional box with 32-bit integer coordinates.
Definition: SbBox2i32.h:43
SbBox2s & setBounds(short xmin, short ymin, short xmax, short ymax)
Definition: SbBox2s.h:54
float getAspectRatio(void) const
Definition: SbBox2s.h:93
SbBox2s(void)
Definition: SbBox2s.h:45
void getOrigin(short &originX, short &originY) const
Definition: SbBox2s.h:82
The SbVec2s class is a 2 dimensional vector with short integer coordinates.
Definition: SbVec2s.h:51