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41 
42 
43 #ifndef __CVVECTRACK_H__
44 #define __CVVECTRACK_H__
45 
46 #include <string.h>
47 #include <math.h>
48 #include <time.h>
49 #include <stdio.h>
50 
51 #undef max
52 #undef min
53 
54 #define max(a,b) ((a)<(b) ? (b) : (a))
55 #define min(a,b) ((a)>(b) ? (a) : (b))
56 
pow2(int v)57 inline int pow2(int v)
58 {
59         return (v*v);
60 }
61 
62 inline int operator == (const CvRect& r1, const CvRect& r2)
63 {
64         return (r1.x == r2.x) && (r1.y == r2.y) &&
65                         (r1.width == r2.width) && (r1.height == r2.height);
66 }
67 
68 inline int operator != (const CvRect& r1, const CvRect& r2)
69 {
70         return !(r1 == r2);
71 }
72 
73 inline
CmpPoints(const CvPoint & p1,const CvPoint & p2,int err)74 int CmpPoints(const CvPoint& p1, const CvPoint& p2, int err)
75 {
76         /* Simakov: modify __max to max */
77         return (max(abs(p1.x - p2.x), abs(p1.y - p2.y)) < err);
78 }
79 
80 inline
PointInRect(const CvPoint & p,const CvRect & r)81 int PointInRect(const CvPoint& p, const CvRect& r)
82 {
83         return ((p.x > r.x) && (p.x < (r.x + r.width)) &&
84                         (p.y > r.y) && (p.y < (r.y + r.height)));
85 }
86 
87 inline
RectInRect(const CvRect & r1,const CvRect & r2)88 int RectInRect(const CvRect& r1, const CvRect& r2)
89 {
90         CvPoint plt = {r1.x, r1.y};
91         CvPoint prb = {r1.x + r1.width, r1.y + r1.height};
92         return (PointInRect(plt, r2) && PointInRect(prb, r2));
93 }
94 
95 inline
Increase(const CvRect & r,int decr)96 CvRect Increase(const CvRect& r, int decr)
97 {
98         CvRect rect;
99         rect.x = r.x * decr;
100         rect.y = r.y * decr;
101         rect.width = r.width * decr;
102         rect.height = r.height * decr;
103         return rect;
104 }
105 
106 inline
Increase(const CvPoint & p,int decr)107 CvPoint Increase(const CvPoint& p, int decr)
108 {
109         CvPoint point;
110         point.x = p.x * decr;
111         point.y = p.y * decr;
112         return point;
113 }
114 
115 inline
Move(CvRect & r,int dx,int dy)116 void Move(CvRect& r, int dx, int dy)
117 {
118         r.x += dx;
119         r.y += dy;
120 }
121 
122 inline
Move(CvPoint & p,int dx,int dy)123 void Move(CvPoint& p, int dx, int dy)
124 {
125         p.x += dx;
126         p.y += dy;
127 }
128 
129 inline
Extend(CvRect & r,int d)130 void Extend(CvRect& r, int d)
131 {
132         r.x -= d;
133         r.y -= d;
134         r.width += 2*d;
135         r.height += 2*d;
136 }
137 
138 inline
Center(const CvRect & r)139 CvPoint Center(const CvRect& r)
140 {
141         CvPoint p;
142         p.x = r.x + r.width / 2;
143         p.y = r.y + r.height / 2;
144         return p;
145 }
146 
ReallocImage(IplImage ** ppImage,CvSize sz,long lChNum)147 inline void ReallocImage(IplImage** ppImage, CvSize sz, long lChNum)
148 {
149     IplImage* pImage;
150     if( ppImage == NULL )
151                 return;
152     pImage = *ppImage;
153     if( pImage != NULL )
154     {
155         if (pImage->width != sz.width || pImage->height != sz.height || pImage->nChannels != lChNum)
156             cvReleaseImage( &pImage );
157     }
158     if( pImage == NULL )
159         pImage = cvCreateImage( sz, IPL_DEPTH_8U, lChNum);
160     *ppImage = pImage;
161 }
162 
163 #endif //__VECTRACK_H__
164