The Gnome Chemistry Utils 0.13.3
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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