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/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
/*
* basicsurfeval.h
*
*/
#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_ */
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