glview.h

Go to the documentation of this file.

// -*- C++ -*-

/*
 * Gnome Chemistry Utils
 * gcu/glview.h
 *
 * Copyright (C) 2006-2012 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCU_GL_VIEW_H
#define GCU_GL_VIEW_H

#include "macros.h"
#include "matrix.h"
#include <goffice/goffice.h>
#include <map>
#include <string>
#include <stdexcept>

extern double DefaultPsi, DefaultTheta, DefaultPhi;

namespace gcu {

class GLDocument;

class GLView
{
public:

        GLView (GLDocument* pDoc) throw (std::runtime_error);

        virtual ~GLView ();
        virtual void Update ();
        void SetRotation (double psi, double theta, double phi);
        void SaveAsImage (std::string const &filename, char const *type, std::map<std::string, std::string>& options, unsigned width, unsigned height, bool use_bg) const;
        virtual GdkPixbuf *BuildPixbuf (unsigned width, unsigned height, bool use_bg) const;
        void RenderToCairo (cairo_t *cr, unsigned width, unsigned height, bool use_bg) const;

protected:
        void Rotate (gdouble x, gdouble y);

        virtual bool GLBegin () = 0;

        virtual void GLEnd () = 0;

protected:
        Matrix m_Euler;
        double m_Lastx;
        double m_Lasty;
        int m_WindowHeight;
        int m_WindowWidth;
        double m_Height;
        double m_Width;
        double m_Near;
        double m_Far;

// Properties
GCU_PROP (double, Angle)
GCU_PROP (double, Psi)
GCU_PROP (double, Phi)
GCU_PROP (double, Theta)
GCU_PROP (float, Red)
GCU_PROP (float, Green)
GCU_PROP (float, Blue)
GCU_PROP (float, Alpha)
GCU_PROT_POINTER_PROP (GLDocument, Doc)
GCU_PROT_PROP (double, Radius);
};

}       // namespace gcu

#endif  //      GCU_GL_VIEW_H