--- /dev/null
+/*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 _CV_GEOM_H_
+#define _CV_GEOM_H_
+
+/* Finds distance between two points */
+CV_INLINE float icvDistanceL2_32f( CvPoint2D32f pt1, CvPoint2D32f pt2 )
+{
+ float dx = pt2.x - pt1.x;
+ float dy = pt2.y - pt1.y;
+
+ return std::sqrt( dx*dx + dy*dy );
+}
+
+
+int icvIntersectLines( double x1, double dx1, double y1, double dy1,
+ double x2, double dx2, double y2, double dy2,
+ double* t2 );
+
+
+void icvCreateCenterNormalLine( CvSubdiv2DEdge edge, double* a, double* b, double* c );
+
+void icvIntersectLines3( double* a0, double* b0, double* c0,
+ double* a1, double* b1, double* c1,
+ CvPoint2D32f* point );
+
+
+#define _CV_BINTREE_LIST() \
+ struct _CvTrianAttr* prev_v; /* pointer to the parent element on the previous level of the tree */ \
+ struct _CvTrianAttr* next_v1; /* pointer to the child element on the next level of the tree */ \
+ struct _CvTrianAttr* next_v2; /* pointer to the child element on the next level of the tree */
+
+typedef struct _CvTrianAttr
+{
+ CvPoint pt; /* Coordinates x and y of the vertex which don't lie on the base line LMIAT */
+ char sign; /* sign of the triangle */
+ double area; /* area of the triangle */
+ double r1; /* The ratio of the height of triangle to the base of the triangle */
+ double r2; /* The ratio of the projection of the left side of the triangle on the base to the base */
+ _CV_BINTREE_LIST() /* structure double list */
+}
+_CvTrianAttr;
+
+
+/* curvature: 0 - 1-curvature, 1 - k-cosine curvature. */
+CvStatus icvApproximateChainTC89( CvChain* chain,
+ int header_size,
+ CvMemStorage* storage,
+ CvSeq** contour,
+ int method );
+
+#endif /*_IPCVGEOM_H_*/
+
+/* End of file. */
projects / opencv / blobdiff