00001 /*===========================================================================*\ 00002 * * 00003 * OpenFlipper * 00004 * Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen * 00005 * www.openflipper.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenFlipper. * 00009 * * 00010 * OpenFlipper is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenFlipper is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenFlipper. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 6743 $ * 00038 * $Author: moebius $ * 00039 * $Date: 2009-08-05 11:03:10 +0200 (Mi, 05. Aug 2009) $ * 00040 * * 00041 \*===========================================================================*/ 00042 00043 00044 00045 //============================================================================= 00046 // 00047 // CLASS BezierCurveT 00048 // 00049 //============================================================================= 00050 00051 00052 #ifndef ACG_BEZIERCURVE_HH 00053 #define ACG_BEZIERCURVE_HH 00054 00055 00056 //== INCLUDES ================================================================= 00057 00058 00059 #include "VectorT.hh" 00060 #include <vector> 00061 00062 00063 //== NAMESPACES ============================================================== 00064 00065 00066 namespace ACG { 00067 00068 00069 //== CLASS DEFINITION ========================================================= 00070 00071 00075 template <class Point> 00076 class BezierCurveT : public std::vector<Point> 00077 { 00078 public: 00079 00080 typedef typename Point::value_type Scalar; 00081 typedef BezierCurveT<Point> Self; 00082 typedef std::vector<Point> Base; 00083 00084 00086 BezierCurveT() {} 00087 00089 ~BezierCurveT() {} 00090 00091 00093 unsigned int degree() const { return Base::size()-1; } 00094 00095 00097 Point operator()(Scalar _t) const; 00098 00099 00103 void subdivide(Scalar _t, Self& _curve0, Self& _curve1) const; 00104 00105 }; 00106 00107 00108 //============================================================================= 00109 } // namespace ACG 00110 //============================================================================= 00111 #if defined(INCLUDE_TEMPLATES) && !defined(ACG_BEZIERCURVE_C) 00112 #define ACG_BEZIERCURVE_TEMPLATES 00113 #include "BezierCurveT.cc" 00114 #endif 00115 //============================================================================= 00116 #endif // ACG_BEZIERCURVE_HH defined 00117 //============================================================================= 00118