ReactOS 0.4.15-dev-8207-gd73a838
jarcloc.h
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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
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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
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14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
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18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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29 */
30
31/*
32 * jarcloc.h
33 *
34 */
35
36#ifndef __glujarcloc_h_
37#define __glujarcloc_h_
38
39#include "arc.h"
40
41class Jarcloc {
42private:
46public:
47 inline void init( Arc_ptr a, long first, long last ) { arc = a; p=&a->pwlArc->pts[first]; plast = &a->pwlArc->pts[last]; }
48 inline TrimVertex * getnextpt( void );
49 inline TrimVertex * getprevpt( void );
50 inline void reverse();
51};
52
53inline void
55{
56 if( plast == &arc->pwlArc->pts[0] )
57 plast = &arc->pwlArc->pts[arc->pwlArc->npts - 1];
58 else
59 plast = &arc->pwlArc->pts[0];
60}
61
62inline TrimVertex *
64{
65 assert( p <= plast );
66 if( p == plast ) {
67 arc = arc->next;
68 p = &arc->pwlArc->pts[0];
69 plast = &arc->pwlArc->pts[arc->pwlArc->npts - 1];
70 assert( p < plast );
71 }
72 return p++;
73}
74
75inline TrimVertex *
77{
78 assert( p >= plast );
79 if( p == plast ) {
80 arc = arc->prev;
81 p = &arc->pwlArc->pts[arc->pwlArc->npts - 1];
82 plast = &arc->pwlArc->pts[0];
83 assert( p > plast );
84 }
85 return p--;
86}
87#endif /* __glujarcloc_h_ */
TrimVertex * p
Definition: jarcloc.h:44
Arc_ptr arc
Definition: jarcloc.h:43
void init(Arc_ptr a, long first, long last)
Definition: jarcloc.h:47
void reverse()
Definition: jarcloc.h:54
TrimVertex * getprevpt(void)
Definition: jarcloc.h:76
TrimVertex * plast
Definition: jarcloc.h:45
TrimVertex * getnextpt(void)
Definition: jarcloc.h:63
class Arc * Arc_ptr
Definition: arc.h:50
#define assert(x)
Definition: debug.h:53
const GLint * first
Definition: glext.h:5794
GLfloat GLfloat p
Definition: glext.h:8902
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
#define a
Definition: ke_i.h:78
static UINT UINT last
Definition: font.c:45