Fawkes API  Fawkes Development Version
line_segment.h
00001 
00002 /***************************************************************************
00003  *  line_segment.h - A line segment
00004  *
00005  *  Created: Thu Oct 02 16:47:39 2008
00006  *  Copyright  2008  Daniel Beck
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __GEOMETRY_LINE_SEGMENT_H_
00025 #define __GEOMETRY_LINE_SEGMENT_H_
00026 
00027 #include <geometry/transformable.h>
00028 #include <geometry/printable.h>
00029 #include <geometry/hom_point.h>
00030 #include <geometry/hom_vector.h>
00031 
00032 namespace fawkes {
00033 
00034 class LineSegment 
00035   : public Transformable,
00036     public Printable
00037     
00038 {
00039  public:
00040   LineSegment(const HomPoint& a, const HomPoint& b);
00041   LineSegment(const HomPoint& p, const HomVector& v);
00042   LineSegment(const LineSegment& l);
00043   virtual ~LineSegment();
00044 
00045   float length() const;
00046 
00047   const HomPoint& p1() const;
00048   const HomPoint& p2() const;
00049 
00050  protected:
00051   virtual void register_primitives();
00052   virtual void post_transform();
00053   virtual std::ostream& print(std::ostream& stream) const;
00054 
00055  private:
00056   HomPoint m_p1;
00057   HomPoint m_p2;
00058 };
00059 
00060 } // end namespace fawkes
00061 
00062 #endif /* __GEOMETRY_LINE_SEGMENT_H_ */