# arrow.h

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    00001 // -*- C++ -*-
    00002
    00003 /*
    00004  * GChemPaint library
    00005  * arrow.h
    00006  *
    00007  * Copyright (C) 2002-2008 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
    00031 namespace gcp {
    00032
    00036 enum ArrowTypes
    00037 {
    00041         SimpleArrow,
    00045         ReversibleArrow,
    00049         FullReversibleArrow,
    00050 };
    00051
    00054 class Arrow: public gcu::Object
    00055 {
    00056 public:
    00063         Arrow(gcu::TypeId Type);
    00067         virtual ~Arrow();
    00068
    00077         bool Load (xmlNodePtr node);
    00086         void SetSelected (GtkWidget* w, int state);
    00095         void SetCoords (double xstart, double ystart, double xend, double yend);
    00104         bool GetCoords (double* xstart, double* ystart, double* xend, double* yend);
    00112         void Move (double x, double y, double z = 0);
    00120         void Transform2D (gcu::Matrix2D& m, double x, double y);
    00125         double GetYAlign ();
    00135         bool SetProperty (unsigned property, char const *value);
    00136
    00137 protected:
    00145         bool Save (xmlDocPtr xml, xmlNodePtr node) const;
    00146
    00147 protected:
    00151         double m_x;
    00155         double m_y;
    00159         double m_width;
    00163         double m_height;
    00164 };
    00165
    00166 }       //      namespace gcp
    00167
    00168 #endif  //GCHEMPAINT_ARROW_H