Update to 2.0.0 tree from current Fremantle build

[opencv] / src / cvaux / _cvvectrack.h

diff --git a/src/cvaux/_cvvectrack.h b/src/cvaux/_cvvectrack.h
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                        Intel License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of Intel Corporation may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+
+#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__