1 #ifndef COIN_SBBOX3I32_H
2 #define COIN_SBBOX3I32_H
3 
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35 
36 #include <Inventor/SbVec3i32.h>
37 #include <Inventor/SbVec3f.h>
38 
39 class SbBox3s;
40 class SbBox3f;
41 class SbBox3d;
42 class SbMatrix;
43 
44 class COIN_DLL_API SbBox3i32 {
45 public:
SbBox3i32(void)46   SbBox3i32(void) { makeEmpty(); }
SbBox3i32(int32_t xmin,int32_t ymin,int32_t zmin,int32_t xmax,int32_t ymax,int32_t zmax)47   SbBox3i32(int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax)
48     : minpt(xmin, ymin, zmin), maxpt(xmax, ymax, zmax) { }
SbBox3i32(const SbVec3i32 & minpoint,const SbVec3i32 & maxpoint)49   SbBox3i32(const SbVec3i32 & minpoint, const SbVec3i32 & maxpoint)
50     : minpt(minpoint), maxpt(maxpoint) { }
SbBox3i32(const SbBox3s & box)51   explicit SbBox3i32(const SbBox3s & box) { setBounds(box); }
SbBox3i32(const SbBox3f & box)52   explicit SbBox3i32(const SbBox3f & box) { setBounds(box); }
SbBox3i32(const SbBox3d & box)53   explicit SbBox3i32(const SbBox3d & box) { setBounds(box); }
54 
setBounds(int32_t xmin,int32_t ymin,int32_t zmin,int32_t xmax,int32_t ymax,int32_t zmax)55   SbBox3i32 & setBounds(int32_t xmin, int32_t ymin, int32_t zmin, int32_t xmax, int32_t ymax, int32_t zmax)
56     { minpt.setValue(xmin, ymin, zmin); maxpt.setValue(xmax, ymax, zmax); return *this; }
setBounds(const SbVec3i32 & minpoint,const SbVec3i32 & maxpoint)57   SbBox3i32 & setBounds(const SbVec3i32 & minpoint, const SbVec3i32 & maxpoint)
58     { minpt = minpoint; maxpt = maxpoint; return *this; }
59   SbBox3i32 & setBounds(const SbBox3s & box);
60   SbBox3i32 & setBounds(const SbBox3f & box);
61   SbBox3i32 & setBounds(const SbBox3d & box);
62 
getBounds(int32_t & xmin,int32_t & ymin,int32_t & zmin,int32_t & xmax,int32_t & ymax,int32_t & zmax)63   void getBounds(int32_t & xmin, int32_t & ymin, int32_t & zmin, int32_t & xmax, int32_t & ymax, int32_t & zmax) const
64     { minpt.getValue(xmin, ymin, zmin); maxpt.getValue(xmax, ymax, zmax); }
getBounds(SbVec3i32 & minpoint,SbVec3i32 & maxpoint)65   void getBounds(SbVec3i32 & minpoint, SbVec3i32 & maxpoint) const
66     { minpoint = minpt; maxpoint = maxpt; }
67 
getMin(void)68   const SbVec3i32 & getMin(void) const { return minpt; }
getMin(void)69   SbVec3i32 & getMin(void) { return minpt; }
getMax(void)70   const SbVec3i32 & getMax(void) const { return maxpt; }
getMax(void)71   SbVec3i32 & getMax(void) { return maxpt; }
72 
73   void extendBy(const SbVec3i32 & pt);
74   void extendBy(const SbBox3i32 & bb);
75   void extendBy(const SbVec3f & pt);
76   void transform(const SbMatrix & m);
77   void makeEmpty(void);
isEmpty(void)78   SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
hasVolume(void)79   SbBool hasVolume(void) const
80     { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1]) && (maxpt[2] > minpt[2])); }
getVolume(void)81   float getVolume(void) const
82     { int32_t dx = 0, dy = 0, dz = 0; getSize(dx, dy, dz); return (float(dx) * float(dy) * float(dz)); }
83 
84   SbBool intersect(const SbVec3i32 & pt) const;
85   SbBool intersect(const SbBox3i32 & bb) const;
86   SbBool intersect(const SbVec3f & pt) const;
87 
88   SbBool outside(const SbMatrix & MVP, int & cullBits) const;
89   SbVec3f getClosestPoint(const SbVec3f & pt) const;
90 
getCenter(void)91   SbVec3f getCenter(void) const { return SbVec3f(minpt + maxpt) * 0.5f; }
getOrigin(int32_t & originX,int32_t & originY,int32_t & originZ)92   void getOrigin(int32_t & originX, int32_t & originY, int32_t & originZ) const
93     { minpt.getValue(originX, originY, originZ); }
getSize(int32_t & sizeX,int32_t & sizeY,int32_t & sizeZ)94   void getSize(int32_t & sizeX, int32_t & sizeY, int32_t & sizeZ) const
95     { if (isEmpty()) { sizeX = sizeY = sizeZ = 0; }
96       else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; sizeZ = maxpt[2] - minpt[2]; } }
97 
getSize(void)98   SbVec3i32 getSize(void) const {
99     SbVec3i32 v;
100     this->getSize(v[0], v[1], v[2]);
101     return v;
102   }
103 
104   void getSpan(const SbVec3f & direction, float & dmin, float & dmax) const;
105 
106 protected:
107   SbVec3i32 minpt, maxpt;
108 
109 }; // SbBox3i32
110 
111 COIN_DLL_API inline int operator == (const SbBox3i32 & b1, const SbBox3i32 & b2)
112 {
113   return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
114 }
115 
116 COIN_DLL_API inline int operator != (const SbBox3i32 & b1, const SbBox3i32 & b2)
117 {
118   return !(b1 == b2);
119 }
120 
121 #endif // !COIN_SBBOX3I32_H
122