1 /*M///////////////////////////////////////////////////////////////////////////////////////
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7 // copy or use the software.
8 //
9 //
10 // Intel License Agreement
11 // For Open Source Computer Vision Library
12 //
13 // Copyright (C) 2000, Intel Corporation, all rights reserved.
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40 //M*/
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