2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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:
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.
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
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.
34 * $Date: 2001/08/07 17:34:11 $ $Revision: 1.2 $
35 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/quilt.h,v 1.2 2001/08/07 17:34:11 brianp Exp $
50 /* constants for memory allocation of NURBS to Bezier conversion */
53 struct Quiltspec
{ /* a specification for a dimension of a quilt */
54 int stride
; /* words between points */
55 int width
; /* number of segments */
56 int offset
; /* words to first point */
57 int order
; /* order */
58 int index
; /* current segment number */
59 int bdry
[2]; /* boundary edge flag */
64 typedef Quiltspec
*Quiltspec_ptr
;
66 class Quilt
: public PooledObj
{ /* an array of bezier patches */
69 Mapdesc
* mapdesc
; /* map descriptor */
70 REAL
* cpts
; /* control points */
71 Quiltspec qspec
[MAXDIM
]; /* the dimensional data */
72 Quiltspec_ptr eqspec
; /* qspec trailer */
73 Quilt
*next
; /* next quilt in linked list */
76 void deleteMe( Pool
& );
77 void toBezier( Knotvector
&, INREAL
*, long );
78 void toBezier( Knotvector
&, Knotvector
&, INREAL
*, long );
79 void select( REAL
*, REAL
* );
80 int getDimension( void ) { return eqspec
- qspec
; }
81 void download( Backend
& );
82 void downloadAll( REAL
*, REAL
*, Backend
& );
84 void getRange( REAL
*, REAL
*, Flist
&, Flist
& );
85 void getRange( REAL
*, REAL
*, int, Flist
& );
86 void getRange( REAL
*, REAL
*, Flist
& );
87 void findRates( Flist
& slist
, Flist
& tlist
, REAL
[2] );
88 void findSampleRates( Flist
& slist
, Flist
& tlist
);
92 typedef class Quilt
*Quilt_ptr
;
94 #endif /* __gluquilt_h_ */