basicsurfeval.h revision f220fa62 
1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30
31/*
32 * basicsurfeval.h
33 *
34 */
35
36#ifndef __glubasicsurfeval_h_
37#define __glubasicsurfeval_h_
38
39#include "types.h"
40#include "displaymode.h"
41#include "cachingeval.h"
42
43class BasicSurfaceEvaluator : public CachingEvaluator {
44public:
45    virtual             ~BasicSurfaceEvaluator() { /* silence warning*/ }
46    virtual void	range2f( long, REAL *, REAL * );
47    virtual void	domain2f( REAL, REAL, REAL, REAL );
48
49    virtual void	enable( long );
50    virtual void	disable( long );
51    virtual void	bgnmap2f( long );
52    virtual void	map2f( long, REAL, REAL, long, long,
53				     REAL, REAL, long, long,
54				     REAL *  );
55    virtual void	mapgrid2f( long, REAL, REAL, long,  REAL, REAL );
56    virtual void	mapmesh2f( long, long, long, long, long );
57    virtual void	evalcoord2f( long, REAL, REAL );
58    virtual void	evalpoint2i( long, long );
59    virtual void	endmap2f( void );
60
61    virtual void	polymode( long );
62    virtual void 	bgnline( void );
63    virtual void 	endline( void );
64    virtual void 	bgnclosedline( void );
65    virtual void 	endclosedline( void );
66    virtual void 	bgntmesh( void );
67    virtual void 	swaptmesh( void );
68    virtual void 	endtmesh( void );
69    virtual void 	bgnqstrip( void );
70    virtual void 	endqstrip( void );
71
72    virtual void 	bgntfan( void );
73    virtual void 	endtfan( void );
74
75    virtual void        evalUStrip(int n_upper, REAL v_upper, REAL* upper_val,
76				     int n_lower, REAL v_lower, REAL* lower_val
77      ) = 0;
78
79    virtual void        evalVStrip(int n_left, REAL u_left, REAL* left_val,
80				     int n_right, REAL u_right, REAL* right_val
81      ) = 0;
82    virtual void        inDoEvalCoord2NOGE(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
83    virtual void        inDoEvalCoord2NOGE_BU(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
84    virtual void        inDoEvalCoord2NOGE_BV(REAL u, REAL v, REAL* ret_point, REAL* ret_normal) = 0;
85    virtual void inPreEvaluateBV_intfac(REAL v ) = 0;
86    virtual void inPreEvaluateBU_intfac(REAL u ) = 0;
87
88};
89
90#endif /* __glubasicsurfeval_h_ */
91