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 
00040 extern double DefaultPsi, DefaultTheta, DefaultPhi;
00041 
00043 namespace gcu {
00044 
00045 class GLDocument;
00046 
00052 class GLView: public Printable
00053 {
00054 public:
00056 
00061         GLView (GLDocument* pDoc);
00063 
00066         virtual ~GLView ();
00067 
00071         GtkWidget *GetWidget () {return m_pWidget;}
00075         void Init ();
00079         void Reshape ();
00083         void Draw ();
00090         bool OnPressed (GdkEventButton *event);
00099         bool OnMotion (GdkEventMotion *event);
00104         void Update ();
00112         void SetRotation (double psi, double theta, double phi);
00123         void SaveAsImage (std::string const &filename, char const *type, std::map<std::string, std::string>& options, unsigned width, unsigned height) const;
00132         GdkPixbuf *BuildPixbuf (unsigned width, unsigned height) const;
00139         void DoPrint (GtkPrintOperation *print, GtkPrintContext *context) const;
00143         GtkWindow *GetGtkWindow () {return GTK_WINDOW (gtk_widget_get_toplevel (m_pWidget));}
00151         void RenderToCairo (cairo_t *cr, unsigned width, unsigned height) const;
00152 
00153 private:
00160         void Rotate (gdouble x, gdouble y);
00161 
00162 protected:
00166         GtkWidget *m_pWidget;
00167 
00168 private:
00169         bool m_bInit;
00170         Matrix m_Euler;
00171         double m_Height, m_Width, m_Near, m_Far;
00172         double m_Lastx, m_Lasty;
00173 #ifdef HAVE_GO_CONF_SYNC
00174         static GOConfNode *m_ConfNode;
00175 #else
00176         static GConfClient *m_ConfClient;
00177 #endif
00178         static guint m_NotificationId;
00179         static int nbViews;
00180 
00181 // Properties
00191 GCU_PROP (double, Angle)
00201 GCU_PROP (double, Psi)
00211 GCU_PROP (double, Phi)
00221 GCU_PROP (double, Theta)
00231 GCU_PROP (float, Red)
00241 GCU_PROP (float, Green)
00251 GCU_PROP (float, Blue)
00268 GCU_PROP (float, Alpha)
00272 GCU_PROT_POINTER_PROP (GLDocument, Doc)
00279 GCU_PROT_PROP (double, Radius);
00280 };
00281 
00282 }       // namespace gcu
00283 
00284 #endif  //      GCU_GL_VIEW_H

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