deltille.h

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/***************************************************************************
 *   Copyright (C) 2004,2009 by Rick L. Vinyard, Jr.                       *
 *   rvinyard@cs.nmsu.edu                                                  *
 *                                                                         *
 *   This file is part of the papyrus library.                             *
 *                                                                         *
 *   papyrus is free software; you can redistribute it and/or modify       *
 *   it under the terms of the GNU Lesser General Public License           *
 *   version 3.0 as published by the Free Software Foundation.             *
 *                                                                         *
 *   papyrus is distributed in the hope that it will be useful,            *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Lesser General Public License version 3.0 for more details.       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with the papyrus library. If not, see                   *
 *   <http://www.gnu.org/licenses/>.                                       *
 ***************************************************************************/
#ifndef PAPYRUSDELTILLE_H
#define PAPYRUSDELTILLE_H

#include <papyrus-extras/tiling.h>

namespace Papyrus
{

  class Deltille : public Tiling
  {
    protected:

      Deltille ( const Glib::ustring& id, unsigned rows, unsigned columns, double side_length );

    public:
      PAPYRUS_DRAWABLE(Deltille);

      static pointer create ( unsigned rows=0, unsigned columns=0, double side_length=1.0 );

      static pointer create ( const Glib::ustring& id, unsigned rows, unsigned columns, double side_length );

      virtual ~Deltille();

      virtual void draw ( Context& cairo ) const;
      
    protected:
      
      void draw_path( Context& cairo, unsigned col, unsigned row, double side, double half_side, double height ) const;
          
      virtual void update_centroid_x();
      
      virtual void update_centroid_y();
      
      virtual void update_centroid();


  };

}

#endif