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// For Open Source Computer Vision Library
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#ifndef __CVVECTRACK_H__
#define __CVVECTRACK_H__
#include <string.h>
#include <math.h>
#include <time.h>
#include <stdio.h>
#undef max
#undef min
#define max(a,b) ((a)<(b) ? (b) : (a))
#define min(a,b) ((a)>(b) ? (a) : (b))
inline int pow2(int v)
{
return (v*v);
}
inline int operator == (const CvRect& r1, const CvRect& r2)
{
return (r1.x == r2.x) && (r1.y == r2.y) &&
(r1.width == r2.width) && (r1.height == r2.height);
}
inline int operator != (const CvRect& r1, const CvRect& r2)
{
return !(r1 == r2);
}
inline
int CmpPoints(const CvPoint& p1, const CvPoint& p2, int err)
{
/* Simakov: modify __max to max */
return (max(abs(p1.x - p2.x), abs(p1.y - p2.y)) < err);
}
inline
int PointInRect(const CvPoint& p, const CvRect& r)
{
return ((p.x > r.x) && (p.x < (r.x + r.width)) &&
(p.y > r.y) && (p.y < (r.y + r.height)));
}
inline
int RectInRect(const CvRect& r1, const CvRect& r2)
{
CvPoint plt = {r1.x, r1.y};
CvPoint prb = {r1.x + r1.width, r1.y + r1.height};
return (PointInRect(plt, r2) && PointInRect(prb, r2));
}
inline
CvRect Increase(const CvRect& r, int decr)
{
CvRect rect;
rect.x = r.x * decr;
rect.y = r.y * decr;
rect.width = r.width * decr;
rect.height = r.height * decr;
return rect;
}
inline
CvPoint Increase(const CvPoint& p, int decr)
{
CvPoint point;
point.x = p.x * decr;
point.y = p.y * decr;
return point;
}
inline
void Move(CvRect& r, int dx, int dy)
{
r.x += dx;
r.y += dy;
}
inline
void Move(CvPoint& p, int dx, int dy)
{
p.x += dx;
p.y += dy;
}
inline
void Extend(CvRect& r, int d)
{
r.x -= d;
r.y -= d;
r.width += 2*d;
r.height += 2*d;
}
inline
CvPoint Center(const CvRect& r)
{
CvPoint p;
p.x = r.x + r.width / 2;
p.y = r.y + r.height / 2;
return p;
}
inline void ReallocImage(IplImage** ppImage, CvSize sz, long lChNum)
{
IplImage* pImage;
if( ppImage == NULL )
return;
pImage = *ppImage;
if( pImage != NULL )
{
if (pImage->width != sz.width || pImage->height != sz.height || pImage->nChannels != lChNum)
cvReleaseImage( &pImage );
}
if( pImage == NULL )
pImage = cvCreateImage( sz, IPL_DEPTH_8U, lChNum);
*ppImage = pImage;
}
#endif //__VECTRACK_H__