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.
40 #ifndef __glutrimline_h_
41 #define __glutrimline_h_
46 #include "trimvertex.h"
58 TrimVertex
*tinterp
, *binterp
;
59 void reset( void ) { numverts
= 0; }
60 inline void grow( long );
61 inline void swap( void );
62 inline void append( TrimVertex
* );
63 static long interpvert( TrimVertex
*, TrimVertex
*, TrimVertex
*, REAL
);
70 void init( TrimVertex
* );
71 void init( long, Arc_ptr
, long );
72 void getNextPt( void );
73 void getPrevPt( void );
74 void getNextPts( REAL
, Backend
& );
75 void getPrevPts( REAL
, Backend
& );
76 void getNextPts( Arc_ptr
);
77 void getPrevPts( Arc_ptr
);
78 inline TrimVertex
* next( void );
79 inline TrimVertex
* prev( void );
80 inline TrimVertex
* first( void );
81 inline TrimVertex
* last( void );
85 Trimline::next( void )
87 if( i
< numverts
) return pts
[i
++]; else return 0;
91 Trimline::prev( void )
93 if( i
>= 0 ) return pts
[i
--]; else return 0;
97 Trimline::first( void )
103 Trimline::last( void )
105 i
= numverts
; return pts
[--i
];
107 #endif /* __glutrimline_h_ */