graph3d.hpp

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/* Copyright (c) 2005-2009 Taneli Kalvas. All rights reserved.
 *
 * You can redistribute this software and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option)
 * any later version.
 * 
 * This library 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 library (file "COPYING" included in the package);
 * if not, write to the Free Software Foundation, Inc., 51 Franklin
 * Street, Fifth Floor, Boston, MA 02110-1301 USA
 * 
 * If you have questions about your rights to use or distribute this
 * software, please contact Berkeley Lab's Technology Transfer
 * Department at TTD@lbl.gov. Other questions, comments and bug
 * reports should be sent directly to the author via email at
 * taneli.kalvas@jyu.fi.
 * 
 * NOTICE. This software was developed under partial funding from the
 * U.S.  Department of Energy.  As such, the U.S. Government has been
 * granted for itself and others acting on its behalf a paid-up,
 * nonexclusive, irrevocable, worldwide license in the Software to
 * reproduce, prepare derivative works, and perform publicly and
 * display publicly.  Beginning five (5) years after the date
 * permission to assert copyright is obtained from the U.S. Department
 * of Energy, and subject to any subsequent five (5) year renewals,
 * the U.S. Government is granted for itself and others acting on its
 * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
 * the Software to reproduce, prepare derivative works, distribute
 * copies to the public, perform publicly and display publicly, and to
 * permit others to do so.
 */

#ifndef GRAPH3D_HPP
#define GRAPH3D_HPP 1


#include "graph.hpp"


enum view_e {
    VIEW_XY = 0,
    VIEW_XZ,
    VIEW_YZ
};


class Graph3D : public Graph {

protected:

    view_e     _view;
    int        _vb[3];
    int        _level;

public:

    Graph3D() {
        _view  = VIEW_XY;
        _vb[0] = 0;
        _vb[1] = 1;
        _vb[2] = 2;
        _level = 0;
    }

    virtual ~Graph3D() {}

    virtual void plot( cairo_t *cairo, const Coordmapper *cm, const double range[4] ) = 0;

    virtual void get_bbox( double bbox[4] ) = 0;

    void set_view( view_e view, int level ) {
        if( view == VIEW_XY ) {
            _vb[0] = 0;
            _vb[1] = 1;
            _vb[2] = 2;
        } else if( view == VIEW_XZ ) {
            _vb[0] = 0;
            _vb[1] = 2;
            _vb[2] = 1;
        } else if( view == VIEW_YZ ) {
            _vb[0] = 1;
            _vb[1] = 2;
            _vb[2] = 0;
        }
        _view = view;
        _level = level;
    }
};


#endif