2 ** License Applicability. Except to the extent portions of this file are
3 ** made subject to an alternative license as permitted in the SGI Free
4 ** Software License B, Version 1.1 (the "License"), the contents of this
5 ** file are subject only to the provisions of the License. You may not use
6 ** this file except in compliance with the License. You may obtain a copy
7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
10 ** http://oss.sgi.com/projects/FreeB
12 ** Note that, as provided in the License, the Software is distributed on an
13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21 ** Copyright in any portions created by third parties is as indicated
22 ** elsewhere herein. All Rights Reserved.
24 ** Additional Notice Provisions: The application programming interfaces
25 ** established by SGI in conjunction with the Original Code are The
26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31 ** published by SGI, but has not been independently verified as being
32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
38 * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
39 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/trimline.h,v 1.1 2001/03/17 00:25:41 brianp Exp $
42 #ifndef __glutrimline_h_
43 #define __glutrimline_h_
48 #include "trimvertex.h"
60 TrimVertex
*tinterp
, *binterp
;
61 void reset( void ) { numverts
= 0; }
62 inline void grow( long );
63 inline void swap( void );
64 inline void append( TrimVertex
* );
65 static long interpvert( TrimVertex
*, TrimVertex
*, TrimVertex
*, REAL
);
72 void init( TrimVertex
* );
73 void init( long, Arc_ptr
, long );
74 void getNextPt( void );
75 void getPrevPt( void );
76 void getNextPts( REAL
, Backend
& );
77 void getPrevPts( REAL
, Backend
& );
78 void getNextPts( Arc_ptr
);
79 void getPrevPts( Arc_ptr
);
80 inline TrimVertex
* next( void );
81 inline TrimVertex
* prev( void );
82 inline TrimVertex
* first( void );
83 inline TrimVertex
* last( void );
87 Trimline::next( void )
89 if( i
< numverts
) return pts
[i
++]; else return 0;
93 Trimline::prev( void )
95 if( i
>= 0 ) return pts
[i
--]; else return 0;
99 Trimline::first( void )
101 i
= 0; return pts
[i
];
105 Trimline::last( void )
107 i
= numverts
; return pts
[--i
];
109 #endif /* __glutrimline_h_ */