The Gnome Chemistry Utils  0.14.16
circle.h
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1 // -*- C++ -*-
2 
3 /*
4  * Gnome Chemistry Utils
5  * gccv/circle.h
6  *
7  * Copyright (C) 2008-2010 Jean Bréfort <jean.brefort@normalesup.org>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 3 of the
12  * License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
22  * USA
23  */
24 
25 #ifndef GCCV_CIRCLE_H
26 #define GCCV_CIRCLE_H
27 
28 #include "fill-item.h"
29 
32 namespace gccv {
33 
39 class Circle: public FillItem
40 {
41 public:
50  Circle (Canvas *canvas, double x, double y, double radius);
61  Circle (Group *parent, double x, double y, double radius, ItemClient *client = NULL);
65  virtual ~Circle ();
66 
73  void SetPosition (double x, double y);
80  void GetPosition (double &x, double &y);
81 
82  // virtual methods
90  double Distance (double x, double y, Item **item) const;
97  void Draw (cairo_t *cr, bool is_vector) const;
104  void Move (double x, double y);
105 
106 protected:
110  void UpdateBounds ();
111 
112 private:
113  double m_x, m_y;
114 
123 GCCV_ITEM_POS_PROP (double, Radius)
124 };
125 
126 }
127 
128 #endif // GCCV_CIRCLE_H
the base class for objects associated with a canvas item.
Definition: item-client.h:44
void Move(double x, double y)
double Distance(double x, double y, Item **item) const
virtual ~Circle()
the Canvas class
Definition: canvas.h:53
Item with Item children.
Definition: group.h:46
void UpdateBounds()
Gnome Chemistry Canvas library namespace.
#define GCCV_ITEM_POS_PROP(type, member)
Definition: item.h:74
Base class for filled items.
Definition: fill-item.h:40
void GetPosition(double &x, double &y)
void SetPosition(double x, double y)
Circles.
Definition: circle.h:39
The base class for the canvas contents.
Definition: item.h:100
void Draw(cairo_t *cr, bool is_vector) const
Circle(Canvas *canvas, double x, double y, double radius)