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deltille.h

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00001 /***************************************************************************
00002  *   Copyright (C) 2004,2009 by Rick L. Vinyard, Jr.                       *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This file is part of the papyrus library.                             *
00006  *                                                                         *
00007  *   papyrus is free software; you can redistribute it and/or modify       *
00008  *   it under the terms of the GNU Lesser General Public License           *
00009  *   version 3.0 as published by the Free Software Foundation.             *
00010  *                                                                         *
00011  *   papyrus is distributed in the hope that it will be useful,            *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00014  *   GNU Lesser General Public License version 3.0 for more details.       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with the papyrus library. If not, see                   *
00018  *   <http://www.gnu.org/licenses/>.                                       *
00019  ***************************************************************************/
00020 #ifndef PAPYRUSDELTILLE_H
00021 #define PAPYRUSDELTILLE_H
00022 
00023 #include <papyrus-extras/tiling.h>
00024 
00025 namespace Papyrus
00026 {
00027 
00031   class Deltille : public Tiling
00032   {
00033     protected:
00034 
00035       Deltille ( const Glib::ustring& id, unsigned rows, unsigned columns, double side_length );
00036 
00037     public:
00038       PAPYRUS_DRAWABLE(Deltille);
00039 
00040       static pointer create ( unsigned rows=0, unsigned columns=0, double side_length=1.0 );
00041 
00042       static pointer create ( const Glib::ustring& id, unsigned rows, unsigned columns, double side_length );
00043 
00044       virtual ~Deltille();
00045 
00046       virtual void draw ( Context& cairo ) const;
00047       
00048     protected:
00049       
00050       void draw_path( Context& cairo, unsigned col, unsigned row, double side, double half_side, double height ) const;
00051           
00052       virtual void update_centroid_x();
00053       
00054       virtual void update_centroid_y();
00055       
00056       virtual void update_centroid();
00057 
00058 
00059   };
00060 
00061 }
00062 
00063 #endif

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