00001 /* 00002 * This file is part of ALVAR, A Library for Virtual and Augmented Reality. 00003 * 00004 * Copyright 2007-2012 VTT Technical Research Centre of Finland 00005 * 00006 * Contact: VTT Augmented Reality Team <alvar.info@vtt.fi> 00007 * <http://www.vtt.fi/multimedia/alvar.html> 00008 * 00009 * ALVAR is free software; you can redistribute it and/or modify it under the 00010 * terms of the GNU Lesser General Public License as published by the Free 00011 * Software Foundation; either version 2.1 of the License, or (at your option) 00012 * any later version. 00013 * 00014 * This library is distributed in the hope that it will be useful, but WITHOUT 00015 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00016 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 00017 * for more details. 00018 * 00019 * You should have received a copy of the GNU Lesser General Public License 00020 * along with ALVAR; if not, see 00021 * <http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html>. 00022 */ 00023 00024 #ifndef _LINE_H 00025 #define _LINE_H 00026 00033 #include "Alvar.h" 00034 #include "Util.h" 00035 00036 namespace alvar { 00037 00041 struct ALVAR_EXPORT Line 00042 { 00047 Line(float params[4]); 00048 Line() 00049 {} 00050 00054 PointDouble c; // center 00058 PointDouble s; // direction vector 00059 }; 00060 00068 int ALVAR_EXPORT FitLines(std::vector<Line> &lines, 00069 const std::vector<int>& corners, 00070 const std::vector<PointInt >& edge, 00071 IplImage *grey=0); 00072 00079 PointDouble ALVAR_EXPORT Intersection(const Line& l1, const Line& l2); 00080 00081 } // namespace alvar 00082 00083 #endif 00084 00085 00086 00087 00088 00089 00090 00091 00092