| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 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 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: bezier.h 4633 2005-01-03 01:43:11Z klimetschek $ 00018 // $Date: 2005-01-03 02:43:11 +0100 (Mon, 03 Jan 2005) $ 00019 // $Revision: 4633 $ 00020 // $State$ 00021 // $Author: klimetschek $ 00022 // 00023 // $Log$ 00024 // Revision 1.18 2005/01/03 01:43:07 klimetschek 00025 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00026 // - removed vrs.vcproj 00027 // minor things: 00028 // - added all glutexamples to vrs4glut.sln 00029 // - fixed some problems in glutexamples 00030 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00031 // 00032 // Revision 1.17 2004/11/05 13:58:09 basch 00033 // Class comment changed (Doxygen style) 00034 // 00035 // Revision 1.16 2004/03/12 16:28:38 baumann 00036 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00037 // 00038 // Revision 1.15 2004/01/19 11:43:56 baumann 00039 // serialization mechanism improved 00040 // 00041 // Revision 1.14 2004/01/19 07:28:03 baumann 00042 // serialization mechanism improved 00043 // 00044 // Revision 1.13 2003/11/07 14:19:23 kirsch 00045 // removed leading underscore from include guards 00046 // 00047 // Revision 1.12 2003/01/16 22:21:58 skirsch 00048 // comment improvements 00049 // 00050 // Revision 1.11 2002/10/29 10:32:51 baumann 00051 // macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed 00052 // 00053 // Revision 1.10 2002/03/04 11:08:34 kersting 00054 // directory structure changes 00055 // 00056 // Revision 1.9 2002/03/03 21:44:24 kosta 00057 // VRS_TYPEINFO-macro rewritten 00058 // 00059 // Revision 1.8 2002/02/19 10:34:07 kosta 00060 // undone all changes since 2002-02-15 00061 // 00062 // Revision 1.5 2002/02/05 07:48:24 kosta 00063 // new persistency macros: 00064 // VRS_SERIALIZABLE(CLASS_NAME); 00065 // VRS_SERIALIZABLE_ABSTRACT_CLASS(CLASS_NAME); 00066 // VRS_SERIALIZABLE_NO_SO_CLASS(CLASS_NAME) 00067 // 00068 // Revision 1.4 2002/02/04 13:07:19 kosta 00069 // VRS_SERIALIZABLE macros completely rewritten 00070 // 00071 // Revision 1.3 2002/01/15 16:25:53 kosta 00072 // macros rewritten for a better namespace support 00073 // 00074 // Revision 1.2 2001/11/13 16:36:30 kirsch 00075 // changed line feed to unix style (removed control-M) 00076 // 00077 // Revision 1.1.1.1 2001/06/08 08:09:20 kirsch 00078 // imported alpha-version by olli 00079 // 00080 00081 #ifndef VRS_BEZIER_H 00082 #define VRS_BEZIER_H 00083 00084 #include <vrs/container/array.h> 00085 #include <vrs/curve.h> 00086 #include <vrs/color.h> 00087 00088 namespace VRS { 00089 00091 class VRS_CORE_API Bezier : public Curve { 00092 00093 public: 00094 Bezier( 00095 Iterator<Vector>* controlpoints = (Iterator<Vector>*)0, 00096 Iterator<Color>* controlpointcolors = (Iterator<Color>*)0 00097 ); 00099 00103 void setVertexIterator(Iterator<Vector>* itr); 00105 Iterator<Vector>* newVertexIterator() const; 00107 00108 void setColorIterator(Iterator<Color>* itr); 00110 00111 Iterator<Color>* newColorIterator() const; 00113 00115 virtual Vector curvePoint(double u) const; 00117 00121 virtual Vector derivative(int degree, double u) const; 00123 00124 virtual Bounds boundingBox() const; 00126 00127 VRS_TYPEINFO(Bezier, Curve); 00128 VRS_SERIALIZABLE(Bezier); 00129 00130 private: 00131 void checkForData(); 00132 00133 std::vector<Vector> orig_; 00134 std::vector<Vector> work_; 00135 00136 SO<Iterator<Vector> > vertexIterator_; 00137 SO<Iterator<Color> > colorIterator_; 00138 00139 bool valid_; 00140 }; 00141 00142 } // namespace VRS 00143 00144 #endif // VRS_BEZIER_H