The Gnome Chemistry Utils  0.14.12
leaf.h
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1 // -*- C++ -*-
2 
3 /*
4  * Gnome Chemistry Utils
5  * gccv/leaf.h
6  *
7  * Copyright (C) 2009-2010 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_LEAF_H
26 #define GCCV_LEAF_H
27 
30 #include "fill-item.h"
31 #include "structs.h"
32 
33 namespace gccv {
34 
41  class Leaf: public FillItem
42 {
43 public:
54  Leaf (Canvas *canvas, double x, double y, double radius);
66  Leaf (Group *parent, double x, double y, double radius, ItemClient *client = NULL);
70  virtual ~Leaf ();
71 
78  void SetPosition (double x, double y);
85  void GetPosition (double &x, double &y);
92  void SetWidthFactor (double factor);
93 
94  // virtual methods
102  double Distance (double x, double y, Item **item) const;
109  void Draw (cairo_t *cr, bool is_vector) const;
116  void Move (double x, double y);
117 
118 protected:
122  void UpdateBounds ();
123 
124 private:
125  double m_x, m_y;
126  gccv::Point m_Controls[11];
127 
137 GCCV_ITEM_POS_PROP (double, Radius)
147 GCCV_ITEM_POS_PROP (double, Rotation)
152 GCU_RO_PROP (double, WidthFactor)
153 };
154 
155 } // namespace gccv
156 
157 #endif // GCCV_LEAF_H
the base class for objects associated with a canvas item.
Definition: item-client.h:44
void SetWidthFactor(double factor)
#define GCU_RO_PROP(type, member)
Definition: macros.h:117
void UpdateBounds()
the Canvas class
Definition: canvas.h:53
Item with Item children.
Definition: group.h:46
double Distance(double x, double y, Item **item) const
void Move(double x, double y)
Gnome Chemistry Canvas library namespace.
void SetPosition(double x, double y)
#define GCCV_ITEM_POS_PROP(type, member)
Definition: item.h:74
Base class for filled items.
Definition: fill-item.h:40
void Draw(cairo_t *cr, bool is_vector) const
virtual ~Leaf()
The base class for the canvas contents.
Definition: item.h:100
Leaf(Canvas *canvas, double x, double y, double radius)
A drop or leaf item.
Definition: leaf.h:41
void GetPosition(double &x, double &y)