ReactOS  0.4.15-dev-499-g1f31905
jarcloc.h
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30 
31 /*
32  * jarcloc.h
33  *
34  */
35 
36 #ifndef __glujarcloc_h_
37 #define __glujarcloc_h_
38 
39 #include "arc.h"
40 
41 class Jarcloc {
42 private:
46 public:
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 
53 inline 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 
62 inline 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 
75 inline 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_ */
Arc_ptr arc
Definition: jarcloc.h:43
POINT last
Definition: font.c:46
const GLint * first
Definition: glext.h:5794
void init(Arc_ptr a, long first, long last)
Definition: jarcloc.h:47
#define assert(x)
Definition: debug.h:53
TrimVertex * getprevpt(void)
Definition: jarcloc.h:76
TrimVertex * p
Definition: jarcloc.h:44
#define a
Definition: ke_i.h:78
TrimVertex * getnextpt(void)
Definition: jarcloc.h:63
void reverse()
Definition: jarcloc.h:54
TrimVertex * plast
Definition: jarcloc.h:45
class Arc * Arc_ptr
Definition: arc.h:50
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
GLfloat GLfloat p
Definition: glext.h:8902