glview.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gcu/glview.h 
00006  *
00007  * Copyright (C) 2006-2008 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 GCU_GL_VIEW_H
00026 #define GCU_GL_VIEW_H
00027 
00028 #include "macros.h"
00029 #include "matrix.h"
00030 #include "printable.h"
00031 #ifdef HAVE_GO_CONF_SYNC
00032 #include <goffice/app/go-conf.h>
00033 #else
00034 #include <gconf/gconf-client.h>
00035 #endif
00036 #include <gtk/gtkwidget.h>
00037 #include <map>
00038 #include <string>
00039 
00040 extern double DefaultPsi, DefaultTheta, DefaultPhi;
00041 
00042 namespace gcu {
00043 
00044 class GLDocument;
00045 
00051 class GLView: public Printable
00052 {
00053 public:
00055 
00060         GLView (GLDocument* pDoc);
00062 
00065         virtual ~GLView ();
00066 
00070         GtkWidget *GetWidget () {return m_pWidget;}
00074         void Init ();
00078         void Reshape ();
00082         void Draw ();
00089         bool OnPressed (GdkEventButton *event);
00098         bool OnMotion (GdkEventMotion *event);
00103         void Update ();
00111         void SetRotation (double psi, double theta, double phi);
00122         void SaveAsImage (std::string const &filename, char const *type, std::map<std::string, std::string>& options, unsigned width, unsigned height) const;
00131         GdkPixbuf *BuildPixbuf (unsigned width, unsigned height) const;
00132         void DoPrint (GtkPrintOperation *print, GtkPrintContext *context) const;
00133         GtkWindow *GetGtkWindow () {return GTK_WINDOW (gtk_widget_get_toplevel (m_pWidget));}
00134         void RenderToCairo (cairo_t *cr, unsigned width, unsigned height) const;
00135 
00136 private:
00143         void Rotate (gdouble x, gdouble y);
00144 
00145 protected:
00149         GtkWidget *m_pWidget;
00150 
00151 private:
00152         bool m_bInit;
00153         Matrix m_Euler;
00154         double m_Height, m_Width, m_Near, m_Far;
00155         double m_Lastx, m_Lasty;
00156 #ifdef HAVE_GO_CONF_SYNC
00157         static GOConfNode *m_ConfNode;
00158 #else
00159         static GConfClient *m_ConfClient;
00160 #endif
00161         static guint m_NotificationId;
00162         static int nbViews;
00163 
00164 // Properties
00174 GCU_PROP (double, Angle)
00184 GCU_PROP (double, Psi)
00194 GCU_PROP (double, Phi)
00204 GCU_PROP (double, Theta)
00214 GCU_PROP (float, Red)
00224 GCU_PROP (float, Green)
00234 GCU_PROP (float, Blue)
00251 GCU_PROP (float, Alpha)
00255 GCU_PROT_POINTER_PROP (GLDocument, Doc)
00262 GCU_PROT_PROP (double, Radius);
00263 };
00264 
00265 }       // namespace gcu
00266 
00267 #endif  //      GCU_GL_VIEW_H

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