mesher.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
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/*
 * mesher.h
 *
 * $Date: 2001/08/07 17:34:11 $ $Revision: 1.2 $
 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/mesher.h,v 1.2 2001/08/07 17:34:11 brianp Exp $
 */

#ifndef __glumesher_h_
#define __glumesher_h_

#include "hull.h"

class TrimRegion;
class Backend;
class Pool;
// struct GridTrimVertex;


class Mesher : virtual public TrimRegion, public Hull {
public:
     			Mesher( Backend & );
			~Mesher( void );
    void		init( unsigned int );
    void		mesh( void );

private:
    static const float	ZERO;
    Backend&		backend;

    Pool		p;
    unsigned int	stacksize;
    GridTrimVertex **	vdata;
    GridTrimVertex *	last[2];
    int			itop;
    int			lastedge;

    inline void		openMesh( void );
    inline void		swapMesh( void );
    inline void		closeMesh( void );
    inline int		isCcw( int );
    inline int		isCw( int );
    inline void		clearStack( void );
    inline void		push( GridTrimVertex * );
    inline void		pop( long );
    inline void		move( int, int );
    inline int 		equal( int, int );
    inline void 	copy( int, int );
    inline void 	output( int );
    void		addUpper( void );
    void		addLower( void );
    void		addLast( void );
    void		finishUpper( GridTrimVertex * );
    void		finishLower( GridTrimVertex * );
};
#endif /* __glumesher_h_ */