glview.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gcu/glview.h 
00006  *
00007  * Copyright (C) 2006 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 GCU_GL_VIEW_H
00026 #define GCU_GL_VIEW_H
00027 
00028 #include "macros.h"
00029 #include "matrix.h"
00030 #include <gtk/gtkwidget.h>
00031 #include <libgnomeprint/gnome-print.h>
00032 
00033 extern double DefaultPsi, DefaultTheta, DefaultPhi;
00034 
00035 namespace gcu {
00036 
00037 class GLDocument;
00038 
00039 class GLView
00040 {
00041 public:
00043 
00048         GLView (GLDocument* pDoc);
00050 
00053         virtual ~GLView ();
00054 
00055         GtkWidget *GetWidget () {return m_pWidget;}
00059         void Init ();
00063         void Reshape ();
00067         void Draw ();
00074         bool OnPressed (GdkEventButton *event);
00081         void OnMotion (GdkEventMotion *event);
00086         void Update ();
00087         void SetRotation (double psi, double theta, double phi);
00088         void Print (GnomePrintContext *pc, gdouble width, gdouble height);
00089 
00090 private:
00097         void Rotate (gdouble x, gdouble y);
00098 
00099 protected:
00100         GtkWidget *m_pWidget;
00101         unsigned m_nGLList;
00102 
00103 private:
00104         bool m_bInit;
00105         GLDocument *m_pDoc;
00106         Matrix m_Euler;
00107         double m_Radius, m_Height, m_Width, m_Near, m_Far;
00108         double m_Lastx, m_Lasty;
00109 
00110 // Properties
00111 GCU_PROP (double, Angle)
00112 GCU_PROP (double, Psi)
00113 GCU_PROP (double, Phi)
00114 GCU_PROP (double, Theta)
00115 GCU_PROP (float, Red)
00116 GCU_PROP (float, Green)
00117 GCU_PROP (float, Blue)
00118 GCU_PROP (float, Alpha)
00119 };
00120 
00121 }       // namespace gcu
00122 
00123 #endif  //      GCU_GL_VIEW_H

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