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/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
*/
/*
* basicsurfeval.h
*
* $Date: 2001/03/17 00:25:40 $ $Revision: 1.1 $
* $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/basicsurfeval.h,v 1.1 2001/03/17 00:25:40 brianp Exp $
*/
#ifndef __glubasicsurfeval_h_
#define __glubasicsurfeval_h_
#include "types.h"
#include "displaymode.h"
#include "cachingeval.h"
class BasicSurfaceEvaluator : public CachingEvaluator {
public:
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_ */
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