The Gnome Chemistry Utils 0.13.3
glview.h
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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gcu/glview.h 
00006  *
00007  * Copyright (C) 2006-2011 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 <goffice/goffice.h>
00031 #include <map>
00032 #include <string>
00033 #include <stdexcept>
00034 
00035 extern double DefaultPsi, DefaultTheta, DefaultPhi;
00036 
00038 namespace gcu {
00039 
00040 class GLDocument;
00041 
00047 class GLView
00048 {
00049 public:
00051 
00056         GLView (GLDocument* pDoc) throw (std::runtime_error);
00058 
00061         virtual ~GLView ();
00066         virtual void Update ();
00074         void SetRotation (double psi, double theta, double phi);
00085         void SaveAsImage (std::string const &filename, char const *type, std::map<std::string, std::string>& options, unsigned width, unsigned height) const;
00094         GdkPixbuf *BuildPixbuf (unsigned width, unsigned height) const;
00102         void RenderToCairo (cairo_t *cr, unsigned width, unsigned height) const;
00103 
00104 protected:
00111         void Rotate (gdouble x, gdouble y);
00112 
00113 protected:
00114         Matrix m_Euler;
00115         double m_Lastx, m_Lasty;
00116         int m_WindowHeight, m_WindowWidth;
00117         double m_Height, m_Width, m_Near, m_Far;
00118 
00119 // Properties
00129 GCU_PROP (double, Angle)
00139 GCU_PROP (double, Psi)
00149 GCU_PROP (double, Phi)
00159 GCU_PROP (double, Theta)
00169 GCU_PROP (float, Red)
00179 GCU_PROP (float, Green)
00189 GCU_PROP (float, Blue)
00206 GCU_PROP (float, Alpha)
00210 GCU_PROT_POINTER_PROP (GLDocument, Doc)
00217 GCU_PROT_PROP (double, Radius);
00218 };
00219 
00220 }       // namespace gcu
00221 
00222 #endif  //      GCU_GL_VIEW_H