circle.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gccv/circle.h 
00006  *
00007  * Copyright (C) 2008 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024 
00025 #ifndef GCCV_CIRCLE_H
00026 #define GCCV_CIRCLE_H
00027 
00028 #include "fill-item.h"
00029 
00030 namespace gccv {
00031 
00032 class Circle: public FillItem
00033 {
00034 public:
00035         Circle (Canvas *canvas, double x, double y, double radius);
00036         Circle (Group *parent, double x, double y, double radius, ItemClient *client = NULL);
00037         virtual ~Circle ();
00038 
00039         void SetPosition (double x, double y);
00040         void GetPosition (double &x, double &y);
00041 
00042         // virtual methods
00043         double Distance (double x, double y, Item **item) const;
00044         void Draw (cairo_t *cr, bool is_vector) const;
00045         void UpdateBounds ();
00046         void Move (double x, double y);
00047 
00048 private:
00049         double m_x, m_y;
00050 
00051 GCCV_ITEM_POS_PROP (double, Radius)
00052 };
00053 
00054 }
00055 
00056 #endif  //       GCCV_CIRCLE_H

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