00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2003-05-12 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (ULg, Liège, Belgium) 00025 ** Marc Wathelet (LGIT, Grenoble, France) 00026 ** 00027 ***************************************************************************/ 00028 00029 #ifndef LINE2D_H 00030 #define LINE2D_H 00031 00032 #include "Point2D.h" 00033 #include "QGpCoreToolsDLLExport.h" 00034 00035 namespace QGpCoreTools { 00036 00037 class QGPCORETOOLS_EXPORT Line2D 00038 { 00039 public: 00040 Line2D(double c=0.0); 00041 Line2D(double b, double c); 00042 Line2D(double x1, double y1, double az); 00043 Line2D(const Line2D& o); 00044 ~Line2D() {} 00045 00046 Point2D intersect(const Line2D& o, bool& ok) const; 00047 protected: 00048 double _a, _b, _c; 00049 }; 00050 00051 } // namespace QGpCoreTools 00052 00053 #endif // LINE2D.H