basicsurfeval.h

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

/*
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/*
 * basicsurfeval.h
 *
 * $Date: 2006/03/29 18:54:00 $ $Revision: 1.2 $
 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/basicsurfeval.h,v 1.2 2006/03/29 18:54:00 brianp Exp $
 */

#ifndef __glubasicsurfeval_h_
#define __glubasicsurfeval_h_

#include "types.h"
#include "displaymode.h"
#include "cachingeval.h"

class BasicSurfaceEvaluator : public CachingEvaluator {
public:
    virtual             ~BasicSurfaceEvaluator() { /* silence warning*/ }
    virtual void	range2f( long, REAL *, REAL * );
    virtual void	domain2f( REAL, REAL, REAL, REAL );

    virtual void	enable( long );
    virtual void	disable( long );
    virtual void	bgnmap2f( long );
    virtual void	map2f( long, REAL, REAL, long, long, 
				     REAL, REAL, long, long, 
				     REAL *  );
    virtual void	mapgrid2f( long, REAL, REAL, long,  REAL, REAL );
    virtual void	mapmesh2f( long, long, long, long, long );
    virtual void	evalcoord2f( long, REAL, REAL );
    virtual void	evalpoint2i( long, long );
    virtual void	endmap2f( void );

    virtual void	polymode( long );
    virtual void 	bgnline( void );
    virtual void 	endline( void );
    virtual void 	bgnclosedline( void );
    virtual void 	endclosedline( void );
    virtual void 	bgntmesh( void );
    virtual void 	swaptmesh( void );
    virtual void 	endtmesh( void );
    virtual void 	bgnqstrip( void );
    virtual void 	endqstrip( void );

    virtual void 	bgntfan( void );
    virtual void 	endtfan( void );

    virtual void        evalUStrip(int n_upper, REAL v_upper, REAL* upper_val,
				     int n_lower, REAL v_lower, REAL* lower_val
      ) = 0;

    virtual void        evalVStrip(int n_left, REAL u_left, REAL* left_val,
				     int n_right, REAL u_right, REAL* right_val
      ) = 0;
    virtual void        inDoEvalCoord2NOGE(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
    virtual void        inDoEvalCoord2NOGE_BU(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
    virtual void        inDoEvalCoord2NOGE_BV(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
    virtual void inPreEvaluateBV_intfac(REAL v ) = 0;
    virtual void inPreEvaluateBU_intfac(REAL u ) = 0;
    
};

#endif /* __glubasicsurfeval_h_ */