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.
48 { /* a linked list of jordan arcs */
50 Arc_ptr head
;/*first arc on list */
51 Arc_ptr current
; /* current arc on list */
55 inline Arc_ptr
firstarc( void );
56 inline Arc_ptr
nextarc( void );
57 inline Arc_ptr
removearc( void );
58 inline int isnonempty( void ) { return (head
? 1 : 0); }
59 inline void addarc( Arc_ptr
);
60 void remove_this_arc( Arc_ptr
);
65 void listBezier( void );
68 /*----------------------------------------------------------------------------
69 * Bin::addarc - add an Arc_ptr to head of linked list of Arc_ptr
70 *----------------------------------------------------------------------------
74 Bin::addarc( Arc_ptr jarc
)
80 /*----------------------------------------------------------------------------
81 * Bin::removearc - remove first Arc_ptr from bin
82 *----------------------------------------------------------------------------
86 Bin::removearc( void )
90 if( jarc
) head
= jarc
->link
;
95 /*----------------------------------------------------------------------------
96 * BinIter::nextarc - return current arc in bin and advance pointer to next arc
97 *----------------------------------------------------------------------------
103 Arc_ptr jarc
= current
;
106 assert( jarc
->check() != 0 );
109 if( jarc
) current
= jarc
->link
;
113 /*----------------------------------------------------------------------------
114 * BinIter::firstarc - set current arc to first arc of bin advance to next arc
115 *----------------------------------------------------------------------------
119 Bin::firstarc( void )
125 #endif /* __glubin_h_ */