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SbBox2i32.h
1 #ifndef COIN_SBBOX2I32_H
2 #define COIN_SBBOX2I32_H
3 
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35 
36 #include <Inventor/SbVec2i32.h>
37 #include <Inventor/SbVec2f.h>
38 
39 class SbBox2s;
40 class SbBox2f;
41 class SbBox2d;
42 
43 class COIN_DLL_API SbBox2i32 {
44 public:
45  SbBox2i32(void) { makeEmpty(); }
46  SbBox2i32(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
47  : minpt(xmin, ymin), maxpt(xmax, ymax) { }
48  SbBox2i32(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint)
49  : minpt(minpoint), maxpt(maxpoint) { }
50  explicit SbBox2i32(const SbBox2s & box) { setBounds(box); }
51  explicit SbBox2i32(const SbBox2f & box) { setBounds(box); }
52  explicit SbBox2i32(const SbBox2d & box) { setBounds(box); }
53 
54  SbBox2i32 & setBounds(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
55  { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax); return *this; }
56  SbBox2i32 & setBounds(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint)
57  { minpt = minpoint; maxpt = maxpoint; return *this; }
58  SbBox2i32 & setBounds(const SbBox2s & box);
59  SbBox2i32 & setBounds(const SbBox2f & box);
60  SbBox2i32 & setBounds(const SbBox2d & box);
61 
62  void getBounds(int32_t & xmin, int32_t & ymin, int32_t & xmax, int32_t & ymax) const
63  { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); }
64  void getBounds(SbVec2i32 & minpoint, SbVec2i32 & maxpoint) const
65  { minpoint = minpt; maxpoint = maxpt; }
66 
67  const SbVec2i32 & getMin(void) const { return minpt; }
68  SbVec2i32 & getMin(void) { return minpt; }
69  const SbVec2i32 & getMax(void) const { return maxpt; }
70  SbVec2i32 & getMax(void) { return maxpt; }
71 
72  void extendBy(const SbVec2i32 & point);
73  void extendBy(const SbBox2i32 & 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 SbVec2i32 & point) const;
79  SbBool intersect(const SbBox2i32 & box) const;
80 
81  SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[0] + maxpt[0]) * 0.5f); }
82  void getOrigin(int32_t & originX, int32_t & originY) const
83  { minpt.getValue(originX, originY); }
84  void getSize(int32_t & sizeX, int32_t & sizeY) const
85  { if (isEmpty()) { sizeX = sizeY = 0; }
86  else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } }
87  SbVec2i32 getSize(void) const {
88  SbVec2i32 v;
89  this->getSize(v[0], v[1]);
90  return v;
91  }
92  float getAspectRatio(void) const
93  { SbDividerChk("SbBox2i32::getAspectRatio()", maxpt[1] - minpt[1]);
94  return float(maxpt[0] - minpt[0]) / float(maxpt[1] - minpt[1]); }
95 
96 private:
97  SbVec2i32 minpt, maxpt;
98 
99 }; // SbBox2i32
100 
101 COIN_DLL_API inline int operator == (const SbBox2i32 & b1, const SbBox2i32 & b2) {
102  return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
103 }
104 
105 COIN_DLL_API inline int operator != (const SbBox2i32 & b1, const SbBox2i32 & b2) {
106  return !(b1 == b2);
107 }
108 
109 #endif // !COIN_SBBOX2I32_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:49
SbBox2i32(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
Definition: SbBox2i32.h:46
The SbBox2d class is a 2 dimensional box with double precision corner coordinates.
Definition: SbBox2d.h:42
SbBox2i32(const SbVec2i32 &minpoint, const SbVec2i32 &maxpoint)
Definition: SbBox2i32.h:48
int operator==(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:102
SbBox2i32(void)
Definition: SbBox2i32.h:45
SbBox2i32 & setBounds(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax)
Definition: SbBox2i32.h:54
const SbVec2i32 & getMax(void) const
Definition: SbBox2i32.h:69
int operator!=(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:106
const SbVec2i32 & getMin(void) const
Definition: SbBox2i32.h:67
void getBounds(int32_t &xmin, int32_t &ymin, int32_t &xmax, int32_t &ymax) const
Definition: SbBox2i32.h:62
The SbBox2s class is a 2 dimensional box with short integer coordinates.
Definition: SbBox2s.h:43
void getSize(int32_t &sizeX, int32_t &sizeY) const
Definition: SbBox2i32.h:84
void getBounds(SbVec2i32 &minpoint, SbVec2i32 &maxpoint) const
Definition: SbBox2i32.h:64
SbBox2i32 & setBounds(const SbVec2i32 &minpoint, const SbVec2i32 &maxpoint)
Definition: SbBox2i32.h:56
The SbBox2f class is a 2 dimensional box with floating point corner coordinates.
Definition: SbBox2f.h:42
The SbVec2i32 class is a 2 dimensional vector with 32-bit signed integer coordinates.
Definition: SbVec2i32.h:50
The SbBox2i32 class is a 2 dimensional box with 32-bit integer coordinates.
Definition: SbBox2i32.h:43
void getOrigin(int32_t &originX, int32_t &originY) const
Definition: SbBox2i32.h:82
float getAspectRatio(void) const
Definition: SbBox2i32.h:92