The Gnome Chemistry Utils 0.13.3
gcp/arrow.h
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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * arrow.h 
00006  *
00007  * Copyright (C) 2002-2010 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 GCHEMPAINT_ARROW_H
00026 #define GCHEMPAINT_ARROW_H
00027 
00028 #include <gcu/object.h>
00029 #include <gccv/item-client.h>
00030 
00032 namespace gcp {
00033 
00037 enum ArrowTypes
00038 {
00042         SimpleArrow,
00046         ReversibleArrow,
00050         FullReversibleArrow,
00051 };
00052 
00055 class Arrow: public gcu::Object, public gccv::ItemClient
00056 {
00057 public:
00064         Arrow(gcu::TypeId Type);
00068         virtual ~Arrow();
00069 
00078         bool Load (xmlNodePtr node);
00086         void SetSelected (int state);
00095         void SetCoords (double xstart, double ystart, double xend, double yend);
00104         bool GetCoords (double* xstart, double* ystart, double* xend, double* yend) const;
00113         bool GetCoords (double *x, double *y, double *z = NULL) const;
00121         void Move (double x, double y, double z = 0);
00129         void Transform2D (gcu::Matrix2D& m, double x, double y);
00134         double GetYAlign ();
00144         bool SetProperty (unsigned property, char const *value);
00145 
00146 protected:
00154         bool Save (xmlDocPtr xml, xmlNodePtr node) const;
00155 
00156         std::string Name ();
00157 
00158 protected:
00162         double m_x;
00166         double m_y;
00170         double m_width;
00174         double m_height;
00175 };
00176 
00177 }       //      namespace gcp
00178 
00179 #endif  //GCHEMPAINT_ARROW_H