windows-server-2003/multimedia/opengl/glu/nurbs/core/gridtrim.h

#ifndef __glugridtrimvertex_h_
#define __glugridtrimvertex_h_
/**************************************************************************
 *									  *
 * 		 Copyright (C) 1992, Silicon Graphics, Inc.		  *
 *									  *
 *  These coded instructions, statements, and computer programs  contain  *
 *  unpublished  proprietary  information of Silicon Graphics, Inc., and  *
 *  are protected by Federal copyright law.  They  may  not be disclosed  *
 *  to  third  parties  or copied or duplicated in any form, in whole or  *
 *  in part, without the prior written consent of Silicon Graphics, Inc.  *
 *									  *
 **************************************************************************/

/*
 * gridtrimvertex.h - $Revision: 1.1 $
 */

#include "mystdlib.h"
#include "bufpool.h"
#include "trimvert.h"
#include "gridvert.h"

class GridTrimVertex : public PooledObj
{
private:
    TrimVertex	dummyt;
    GridVertex	dummyg;
public:
			GridTrimVertex() { g = 0; t = 0; }
    TrimVertex	*t;
    GridVertex	*g;
   
    inline void		set( long, long );
    inline void		set( REAL, REAL );
    inline void		set( TrimVertex * );
    inline void		clear( void ) { t = 0; g = 0; };
    inline int		isGridVert() { return g ? 1 : 0 ; }
    inline int		isTrimVert() { return t ? 1 : 0 ; }
    inline void		output();
};

inline void
GridTrimVertex::set( long x, long y )
{
    g = &dummyg;
    dummyg.gparam[0] = x;
    dummyg.gparam[1] = y;
}

inline void
GridTrimVertex::set( REAL x, REAL y )
{
    g = 0;
    t = &dummyt;
    dummyt.param[0] = x;
    dummyt.param[1] = y;
    dummyt.nuid = 0;
}

inline void
GridTrimVertex::set( TrimVertex *v )
{
    g = 0;
    t = v;
}

typedef GridTrimVertex *GridTrimVertex_p;
#endif /* __glugridtrimvertex_h_ */