line.h

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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gccv/line.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_LINE_H
00026 #define GCCV_LINE_H
00027 
00030 #include "line-item.h"
00031 
00032 namespace gccv {
00033 
00039         class Line: public LineItem
00040 {
00041 public:
00051         Line (Canvas *canvas, double xstart, double ystart, double xend, double yend);
00063         Line (Group *parent, double xstart, double ystart, double xend, double yend, ItemClient *client = NULL);
00067         virtual ~Line (); 
00076         void SetPosition (double xstart, double ystart, double xend, double yend);
00077 
00078         // virtual methods
00086         double Distance (double x, double y, Item **item) const;
00093         void Draw (cairo_t *cr, bool is_vector) const;
00100         void Move (double x, double y);
00101 
00102 protected:
00106         void UpdateBounds ();
00107 
00108 protected:
00112         double m_xstart;
00116         double m_ystart;
00120         double m_xend;
00124         double m_yend;
00125 };
00126 
00127 }
00128 
00129 #endif  //      GCCV_LINE_H

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