hilbert.h

00001 /***************************************************************************
00002  *   Copyright (C) 2004 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation version 2.1.                *
00008  *                                                                         *
00009  *   This program is distributed in the hope that it will be useful,       *
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012  *   GNU General Public License for more details.                          *
00013  *                                                                         *
00014  *   You should have received a copy of the GNU Lesser General Public      *
00015  *   License along with this library; if not, write to the                 *
00016  *   Free Software Foundation, Inc.,                                       *
00017  *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018  ***************************************************************************/
00019 #ifndef PAPYRUSHILBERT_H
00020 #define PAPYRUSHILBERT_H
00021 
00022 #include <papyrus/polyline.h>
00023 
00024 namespace Papyrus
00025 {
00026 
00030   class Hilbert : public Polyline
00031   {
00032     public:
00033     typedef PapyrusSmartPointer<Hilbert> pointer;
00034 
00035     Hilbert(unsigned level=0, double size=0);
00036 
00037     static Hilbert::pointer create(unsigned level=0, double size=0);
00038 
00039     ~Hilbert();
00040 
00041     unsigned level();
00042 
00043     void set_level(unsigned level);
00044 
00045     double size();
00046 
00047     void set_size(double size);
00048 
00049     PAPYRUS_CLASS_NAME("Hilbert Curve");
00050 
00051     PAPYRUS_CLONE_METHOD( Hilbert );
00052 
00053   protected:
00054     unsigned m_level;
00055     double m_size;
00056     double m_lsize;
00057 
00058     void create_vertices();
00059 
00060     void hilbert_a(unsigned level);
00061 
00062     void hilbert_b(unsigned level);
00063 
00064     void hilbert_c(unsigned level);
00065 
00066     void hilbert_d(unsigned level);
00067 
00068   };
00069 
00070 }
00071 
00072 #endif

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