1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 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. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of Intel Corporation may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the Intel Corporation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 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 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 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 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 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 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 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 116 void Move(CvRect& r, int dx, int dy) 117 { 118 r.x += dx; 119 r.y += dy; 120 } 121 122 inline 123 void Move(CvPoint& p, int dx, int dy) 124 { 125 p.x += dx; 126 p.y += dy; 127 } 128 129 inline 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 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 } 146 147 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