# 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