solidgraph.hpp

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/* Copyright (c) 2005-2013 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
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 * permit others to do so.
 */
 
#ifndef SOLIDGRAPH_HPP
#define SOLIDGRAPH_HPP 1
 
 
#include <vector>
#include "geometry.hpp"
#include "graph3d.hpp"
#include "vec3d.hpp"
#include "lineclip.hpp"
 
 
class SolidGraph : public Graph3D {
 
    struct Point {
        double x[2];
 
        Point( double _x, double _y ) { x[0] = _x; x[1] = _y; }
        
        double &operator[]( int32_t i ) { return( x[i] ); }
        const double &operator[]( int32_t i ) const { return( x[i] ); }
    };
 
    class SolidPoints {
        uint32_t           _N;    /* Solid number of electrode, N>=7 */
        std::vector<Point> _p;    /* Coordinate points of electrode boundary */
    public:
        SolidPoints( uint32_t N ) : _N(N) {}
        
        void add_point( Point x );
        uint32_t N( void ) { return( _N ); }
        size_t size( void ) { return( _p.size() ); }
        Point &operator[]( int32_t i ) { return( _p[i] ); }
        const Point &operator[]( int32_t i ) const { return( _p[i] ); }
    };
 
    const Geometry                      &_geom;
 
    Vec3D                                _color;
    std::vector<SolidPoints *>           _solid;
 
    view_e                               _oview;
    int                                  _olevel;
 
    bool                                 _cache;
 
    static void step( int32_t &nextx, int32_t &nexty, int32_t dir );
    static bool is_edge( uint32_t N, uint32_t node1, uint32_t node2 );
    void loop( SolidPoints *solid, int32_t x, int32_t y,
               char *done, uint32_t sizex, uint32_t sizey );
    void build_solid( uint32_t N, char *done, uint32_t sizex, uint32_t sizey );
    void build_data( void );
    void plot_data( cairo_t *cairo, LineClip &lc, const Coordmapper *cm );
    void clear_data( void );
    
public:
 
    SolidGraph( const Geometry &geom );
 
    virtual ~SolidGraph();
 
    void disable_cache( void );
 
    virtual void plot( cairo_t *cairo, const Coordmapper *cm, const double range[4] );
 
    virtual void plot_sample( cairo_t *cairo, double x, double y, double width, double height );
 
    virtual void get_bbox( double bbox[4] );
};
 
 
#endif