The Gnome Chemistry Utils
0.13.7
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00001 // -*- C++ -*- 00002 00003 /* 00004 * GChemPaint library 00005 * arrow.h 00006 * 00007 * Copyright (C) 2002-2012 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 3 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 00034 class Step; 00035 00039 enum ArrowTypes 00040 { 00044 SimpleArrow, 00048 ReversibleArrow, 00052 FullReversibleArrow, 00053 }; 00054 00057 class Arrow: public gcu::Object, public gccv::ItemClient 00058 { 00059 public: 00066 Arrow(gcu::TypeId Type); 00070 virtual ~Arrow(); 00071 00080 bool Load (xmlNodePtr node); 00088 void SetSelected (int state); 00097 void SetCoords (double xstart, double ystart, double xend, double yend); 00106 bool GetCoords (double* xstart, double* ystart, double* xend, double* yend) const; 00115 bool GetCoords (double *x, double *y, double *z = NULL) const; 00123 void Move (double x, double y, double z = 0); 00131 void Transform2D (gcu::Matrix2D& m, double x, double y); 00136 double GetYAlign (); 00146 bool SetProperty (unsigned property, char const *value); 00153 void SetStartStep (Step *step) {m_Start = step;} 00157 Step** GetStartStepPtr () {return &m_Start;} 00161 Step* GetStartStep () const {return m_Start;} 00168 void SetEndStep (Step *step) {m_End = step;} 00172 Step* GetEndStep () const {return m_End;} 00176 Step** GetEndStepPtr () {return &m_End;} 00180 void Reverse (); 00187 void RemoveStep (Step *step); 00188 00189 protected: 00197 bool Save (xmlDocPtr xml, xmlNodePtr node) const; 00198 00202 std::string Name (); 00203 00207 void OnLoaded (); 00208 00209 protected: 00213 double m_x; 00217 double m_y; 00221 double m_width; 00225 double m_height; 00226 00227 private: 00228 Step *m_Start, *m_End; 00229 00233 GCU_RO_PROP (double, Length) 00234 }; 00235 00236 } // namespace gcp 00237 00238 #endif //GCHEMPAINT_ARROW_H