The Gnome Chemistry Utils 0.13.3
gccv/arrow.h
Go to the documentation of this file.
00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gccv/arrow.h 
00006  *
00007  * Copyright (C) 2008-2010 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_ARROW_H
00026 #define GCCV_ARROW_H
00027 
00028 #include "line.h"
00029 #include "structs.h"
00030 
00033 namespace gccv {
00034 
00041 class Arrow: public Line
00042 {
00043 public:
00054         Arrow (Canvas *canvas, double xstart, double ystart, double xend, double yend);
00066         Arrow (Group *parent, double xstart, double ystart, double xend, double yend, ItemClient *client = NULL);
00070         virtual ~Arrow ();
00071 
00072         // virtual methods
00080         double Distance (double x, double y, Item **item) const;
00087         void Draw (cairo_t *cr, bool is_vector) const;
00088 
00089 protected:
00093         void UpdateBounds ();
00094 
00095 private:
00096 
00105 GCCV_ITEM_POS_PROP (ArrowHeads, StartHead)
00114 GCCV_ITEM_POS_PROP (ArrowHeads, EndHead)
00123 GCCV_ITEM_POS_PROP (double, A)
00133 GCCV_ITEM_POS_PROP (double, B)
00142 GCCV_ITEM_POS_PROP (double, C)
00143 };
00144 
00145 }
00146 
00147 #endif  //       GCCV_SQUIGGLE_H