glview.h

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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 #include <stdexcept>
00040 
00041 extern double DefaultPsi, DefaultTheta, DefaultPhi;
00042 
00044 namespace gcu {
00045 
00046 class GLDocument;
00047 
00053 class GLView: public Printable
00054 {
00055 public:
00057 
00062         GLView (GLDocument* pDoc) throw (std::runtime_error);
00064 
00067         virtual ~GLView ();
00068 
00072         GtkWidget *GetWidget () {return m_pWidget;}
00076         void Init ();
00080         void Reshape ();
00084         void Draw ();
00091         bool OnPressed (GdkEventButton *event);
00100         bool OnMotion (GdkEventMotion *event);
00105         void Update ();
00113         void SetRotation (double psi, double theta, double phi);
00124         void SaveAsImage (std::string const &filename, char const *type, std::map<std::string, std::string>& options, unsigned width, unsigned height) const;
00133         GdkPixbuf *BuildPixbuf (unsigned width, unsigned height) const;
00140         void DoPrint (GtkPrintOperation *print, GtkPrintContext *context) const;
00144         GtkWindow *GetGtkWindow () {return GTK_WINDOW (gtk_widget_get_toplevel (m_pWidget));}
00152         void RenderToCairo (cairo_t *cr, unsigned width, unsigned height) const;
00153 
00154 private:
00161         void Rotate (gdouble x, gdouble y);
00162 
00163 protected:
00167         GtkWidget *m_pWidget;
00168 
00169 private:
00170         bool m_bInit;
00171         Matrix m_Euler;
00172         double m_Height, m_Width, m_Near, m_Far;
00173         double m_Lastx, m_Lasty;
00174 #ifdef HAVE_GO_CONF_SYNC
00175         static GOConfNode *m_ConfNode;
00176 #else
00177         static GConfClient *m_ConfClient;
00178 #endif
00179         static guint m_NotificationId;
00180         static int nbViews;
00181 
00182 // Properties
00192 GCU_PROP (double, Angle)
00202 GCU_PROP (double, Psi)
00212 GCU_PROP (double, Phi)
00222 GCU_PROP (double, Theta)
00232 GCU_PROP (float, Red)
00242 GCU_PROP (float, Green)
00252 GCU_PROP (float, Blue)
00269 GCU_PROP (float, Alpha)
00273 GCU_PROT_POINTER_PROP (GLDocument, Doc)
00280 GCU_PROT_PROP (double, Radius);
00281 };
00282 
00283 }       // namespace gcu
00284 
00285 #endif  //      GCU_GL_VIEW_H

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