759 lines
14 KiB
C
759 lines
14 KiB
C
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/*
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** Copyright 1992, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of Silicon Graphics, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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**
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*/
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#include <setjmp.h>
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struct JumpBuffer {
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jmp_buf buf;
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};
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#define mysetjmp(x) setjmp((x)->buf)
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#define mylongjmp(x,y) longjmp((x)->buf, y)
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/* <<AT&T USL C++ Language System <3.0.1> 02/03/92>> */
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/* < ../core/curvesub.c++ > */
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void *__vec_new (void *, int , int , void *);
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void __vec_ct (void *, int , int , void *);
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void __vec_dt (void *, int , int , void *);
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void __vec_delete (void *, int , int , void *, int , int );
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typedef int (*__vptp)(void);
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struct __mptr {short d; short i; __vptp f; };
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typedef unsigned int size_t ;
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// extern void *malloc (size_t );
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// extern void free (void *);
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struct JumpBuffer;
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struct Buffer;
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struct Buffer {
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struct Buffer *next__6Buffer ;
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};
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struct Pool;
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enum __Q2_4Pool5Magic { is_allocated__Q2_4Pool5Magic = 62369, is_free__Q2_4Pool5Magic = 61858} ;
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struct Pool {
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struct Buffer *freelist__4Pool ;
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char *blocklist__4Pool [32];
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int nextblock__4Pool ;
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char *curblock__4Pool ;
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int buffersize__4Pool ;
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int nextsize__4Pool ;
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int nextfree__4Pool ;
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int initsize__4Pool ;
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char *name__4Pool ;
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int magic__4Pool ;
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};
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void __glgrow__4PoolFv (struct Pool *);
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struct PooledObj;
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struct PooledObj {
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char __W3__9PooledObj ;
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};
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typedef float REAL ;
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typedef void (*Pfvv )(void );
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typedef void (*Pfvf )(float *);
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typedef int (*cmpfunc )(void *, void *);
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typedef REAL Knot ;
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typedef REAL *Knot_ptr ;
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struct TrimVertex;
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struct PwlArc;
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struct PwlArc {
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char __W3__9PooledObj ;
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struct TrimVertex *pts__6PwlArc ;
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int npts__6PwlArc ;
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long type__6PwlArc ;
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};
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struct TrimVertex;
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struct TrimVertex {
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REAL param__10TrimVertex [2];
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long nuid__10TrimVertex ;
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};
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typedef struct TrimVertex *TrimVertex_p ;
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struct Bin;
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struct Arc;
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struct BezierArc;
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typedef struct Arc *Arc_ptr ;
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enum arc_side { arc_none = 0, arc_right = 1, arc_top = 2, arc_left = 3, arc_bottom = 4} ;
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struct Arc;
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struct Arc {
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char __W3__9PooledObj ;
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Arc_ptr prev__3Arc ;
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Arc_ptr next__3Arc ;
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Arc_ptr link__3Arc ;
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struct BezierArc *bezierArc__3Arc ;
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struct PwlArc *pwlArc__3Arc ;
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long type__3Arc ;
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long nuid__3Arc ;
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};
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extern int __glbezier_tag__3Arc ;
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extern int __glarc_tag__3Arc ;
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extern int __gltail_tag__3Arc ;
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struct Bin;
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struct Bin {
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struct Arc *head__3Bin ;
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struct Arc *current__3Bin ;
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};
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struct Sorter;
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struct Sorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct FlistSorter;
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struct FlistSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct Flist;
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struct Flist {
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REAL *pts__5Flist ;
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int npts__5Flist ;
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int start__5Flist ;
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int end__5Flist ;
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struct FlistSorter sorter__5Flist ;
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};
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struct Backend;
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struct Jarcloc;
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struct Jarcloc {
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struct Arc *arc__7Jarcloc ;
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struct TrimVertex *p__7Jarcloc ;
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struct TrimVertex *plast__7Jarcloc ;
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};
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struct Trimline;
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struct Trimline {
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struct TrimVertex **pts__8Trimline ;
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long numverts__8Trimline ;
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long i__8Trimline ;
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long size__8Trimline ;
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struct Jarcloc jarcl__8Trimline ;
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struct TrimVertex t__8Trimline ;
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struct TrimVertex b__8Trimline ;
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struct TrimVertex *tinterp__8Trimline ;
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struct TrimVertex *binterp__8Trimline ;
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};
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struct Gridline;
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struct Gridline {
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long v__8Gridline ;
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REAL vval__8Gridline ;
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long vindex__8Gridline ;
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long ustart__8Gridline ;
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long uend__8Gridline ;
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};
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struct Uarray;
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struct Uarray {
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long size__6Uarray ;
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long ulines__6Uarray ;
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REAL *uarray__6Uarray ;
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};
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struct Backend;
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struct TrimRegion;
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void __gl__dt__8TrimlineFv (struct Trimline *, int );
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void __gl__dt__6UarrayFv (struct Uarray *, int );
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struct TrimRegion {
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struct Trimline left__10TrimRegion ;
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struct Trimline right__10TrimRegion ;
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struct Gridline top__10TrimRegion ;
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struct Gridline bot__10TrimRegion ;
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struct Uarray uarray__10TrimRegion ;
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REAL oneOverDu__10TrimRegion ;
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};
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struct GridTrimVertex;
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struct __Q2_4Hull4Side;
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struct __Q2_4Hull4Side {
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struct Trimline *left__Q2_4Hull4Side ;
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struct Gridline *line__Q2_4Hull4Side ;
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struct Trimline *right__Q2_4Hull4Side ;
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long index__Q2_4Hull4Side ;
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};
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struct Hull;
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struct Hull {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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struct Backend;
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struct GridTrimVertex;
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struct Mesher;
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struct Mesher {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct Backend *backend__6Mesher ;
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struct Pool p__6Mesher ;
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unsigned int stacksize__6Mesher ;
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struct GridTrimVertex **vdata__6Mesher ;
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struct GridTrimVertex *last__6Mesher [2];
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int itop__6Mesher ;
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int lastedge__6Mesher ;
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struct TrimRegion OTrimRegion;
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};
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extern float __glZERO__6Mesher ;
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struct Backend;
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struct GridVertex;
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struct GridTrimVertex;
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struct CoveAndTiler;
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struct CoveAndTiler {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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extern int __glMAXSTRIPSIZE__12CoveAndTil0 ;
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struct Backend;
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struct Slicer;
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struct Slicer {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct Mesher OMesher;
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struct Backend *backend__6Slicer ;
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REAL oneOverDu__6Slicer ;
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REAL du__6Slicer ;
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REAL dv__6Slicer ;
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int isolines__6Slicer ;
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};
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struct BezierArc;
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struct TrimVertexPool;
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struct ArcTessellator;
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struct ArcTessellator {
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struct Pool *pwlarcpool__14ArcTessellator ;
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struct TrimVertexPool *trimvertexpool__14ArcTessellator ;
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};
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extern REAL __glgl_Bernstein__14ArcTessell0 [][24][24];
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struct TrimVertexPool;
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struct TrimVertexPool {
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struct Pool pool__14TrimVertexPool ;
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struct TrimVertex **vlist__14TrimVertexPool ;
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int nextvlistslot__14TrimVertexPool ;
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int vlistsize__14TrimVertexPool ;
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};
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struct Renderhints;
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struct Backend;
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struct Quilt;
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struct Patchlist;
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struct Curvelist;
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struct JumpBuffer;
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||
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struct Subdivider;
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enum __Q2_10Subdivider3dir { down__Q2_10Subdivider3dir = 0, same__Q2_10Subdivider3dir = 1, up__Q2_10Subdivider3dir = 2, none__Q2_10Subdivider3dir = 3} ;
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struct Subdivider {
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struct Slicer slicer__10Subdivider ;
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struct ArcTessellator arctessellator__10Subdivider ;
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struct Pool arcpool__10Subdivider ;
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struct Pool bezierarcpool__10Subdivider ;
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struct Pool pwlarcpool__10Subdivider ;
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struct TrimVertexPool trimvertexpool__10Subdivider ;
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struct JumpBuffer *jumpbuffer__10Subdivider ;
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struct Renderhints *renderhints__10Subdivider ;
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struct Backend *backend__10Subdivider ;
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struct Bin initialbin__10Subdivider ;
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struct Arc *pjarc__10Subdivider ;
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int s_index__10Subdivider ;
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int t_index__10Subdivider ;
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struct Quilt *qlist__10Subdivider ;
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struct Flist spbrkpts__10Subdivider ;
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struct Flist tpbrkpts__10Subdivider ;
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struct Flist smbrkpts__10Subdivider ;
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struct Flist tmbrkpts__10Subdivider ;
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REAL stepsizes__10Subdivider [4];
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int showDegenerate__10Subdivider ;
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int isArcTypeBezier__10Subdivider ;
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};
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struct Renderhints;
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struct Renderhints {
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REAL display_method__11Renderhints ;
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REAL errorchecking__11Renderhints ;
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REAL subdivisions__11Renderhints ;
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REAL tmp1__11Renderhints ;
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int displaydomain__11Renderhints ;
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int maxsubdivisions__11Renderhints ;
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int wiretris__11Renderhints ;
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int wirequads__11Renderhints ;
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};
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struct GridVertex;
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struct GridVertex {
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long gparam__10GridVertex [2];
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};
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struct GridTrimVertex;
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struct GridTrimVertex {
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char __W3__9PooledObj ;
|
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struct TrimVertex dummyt__14GridTrimVertex ;
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struct GridVertex dummyg__14GridTrimVertex ;
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struct TrimVertex *t__14GridTrimVertex ;
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struct GridVertex *g__14GridTrimVertex ;
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};
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typedef struct GridTrimVertex *GridTrimVertex_p ;
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struct BasicCurveEvaluator;
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struct BasicSurfaceEvaluator;
|
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struct Backend;
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struct Backend {
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||
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||
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struct BasicCurveEvaluator *curveEvaluator__7Backend ;
|
||
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|
struct BasicSurfaceEvaluator *surfaceEvaluator__7Backend ;
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||
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int wireframetris__7Backend ;
|
||
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int wireframequads__7Backend ;
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||
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int npts__7Backend ;
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||
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|
REAL mesh__7Backend [3][4];
|
||
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int meshindex__7Backend ;
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||
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};
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struct Mapdesc;
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struct Knotvector;
|
||
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struct Quiltspec;
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||
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struct Quiltspec {
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||
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int stride__9Quiltspec ;
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||
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int width__9Quiltspec ;
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||
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|
int offset__9Quiltspec ;
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||
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|
int order__9Quiltspec ;
|
||
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|
int index__9Quiltspec ;
|
||
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|
int bdry__9Quiltspec [2];
|
||
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|
REAL step_size__9Quiltspec ;
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||
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|
Knot *breakpoints__9Quiltspec ;
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||
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|
};
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||
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||
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typedef struct Quiltspec *Quiltspec_ptr ;
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struct Quilt;
|
||
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|
struct Quilt {
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||
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||
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|
char __W3__9PooledObj ;
|
||
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||
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|
struct Mapdesc *mapdesc__5Quilt ;
|
||
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|
REAL *cpts__5Quilt ;
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||
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|
struct Quiltspec qspec__5Quilt [2];
|
||
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|
Quiltspec_ptr eqspec__5Quilt ;
|
||
|
|
struct Quilt *next__5Quilt ;
|
||
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|
};
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||
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||
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|
typedef struct Quilt *Quilt_ptr ;
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||
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struct Mapdesc;
|
||
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struct Curve;
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||
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|
struct Curvelist;
|
||
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||
|
|
struct Curvelist {
|
||
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|
||
|
|
struct Curve *curve__9Curvelist ;
|
||
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|
float range__9Curvelist [3];
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||
|
|
int needsSubdivision__9Curvelist ;
|
||
|
|
float stepsize__9Curvelist ;
|
||
|
|
};
|
||
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||
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||
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||
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||
|
|
struct Mapdesc;
|
||
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||
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||
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|
struct Curve;
|
||
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||
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|
struct Curve {
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||
|
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|
||
|
|
struct Curve *next__5Curve ;
|
||
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||
|
|
struct Mapdesc *mapdesc__5Curve ;
|
||
|
|
int stride__5Curve ;
|
||
|
|
int order__5Curve ;
|
||
|
|
int cullval__5Curve ;
|
||
|
|
int needsSampling__5Curve ;
|
||
|
|
REAL cpts__5Curve [120];
|
||
|
|
REAL spts__5Curve [120];
|
||
|
|
REAL stepsize__5Curve ;
|
||
|
|
REAL minstepsize__5Curve ;
|
||
|
|
REAL range__5Curve [3];
|
||
|
|
};
|
||
|
|
|
||
|
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|
||
|
|
|
||
|
|
struct Flist *__gl__ct__5FlistFv (struct Flist *);
|
||
|
|
|
||
|
|
void __glgetRange__5QuiltFPfT1R5Fli1 (struct Quilt *, REAL *, REAL *, struct Flist *);
|
||
|
|
|
||
|
|
void __glinit__11RenderhintsFv (struct Renderhints *);
|
||
|
|
|
||
|
|
void __glbgncurv__7BackendFv (struct Backend *);
|
||
|
|
|
||
|
|
void __gldownloadAll__5QuiltFPfT1R70 (struct Quilt *, REAL *, REAL *, struct Backend *);
|
||
|
|
|
||
|
|
struct Curvelist *__gl__ct__9CurvelistFP5QuiltfT0 (struct Curvelist *, struct Quilt *, REAL , REAL );
|
||
|
|
|
||
|
|
void __glsamplingSplit__10Subdivide0 (struct Subdivider *, struct Curvelist *, int );
|
||
|
|
|
||
|
|
void __glendcurv__7BackendFv (struct Backend *);
|
||
|
|
extern struct __mptr* __ptbl_vec_____core_curvesub_c___drawCurves_[];
|
||
|
|
|
||
|
|
void __gl__dt__5FlistFv (struct Flist *, int );
|
||
|
|
|
||
|
|
void __gl__dt__9CurvelistFv (struct Curvelist *, int );
|
||
|
|
|
||
|
|
void __gldrawCurves__10SubdividerFv (struct Subdivider *__0this )
|
||
|
|
{
|
||
|
|
REAL __1from [1];
|
||
|
|
|
||
|
|
REAL __1to [1];
|
||
|
|
struct Flist __1bpts ;
|
||
|
|
|
||
|
|
__gl__ct__5FlistFv ( (struct Flist *)(& __1bpts )) ;
|
||
|
|
__glgetRange__5QuiltFPfT1R5Fli1 ( (struct Quilt *)__0this -> qlist__10Subdivider , (REAL *)__1from , (REAL *)__1to , (struct Flist *)(& __1bpts )) ;
|
||
|
|
|
||
|
|
__glinit__11RenderhintsFv ( (struct Renderhints *)__0this -> renderhints__10Subdivider ) ;
|
||
|
|
|
||
|
|
__glbgncurv__7BackendFv ( (struct Backend *)__0this -> backend__10Subdivider ) ;
|
||
|
|
{ { int __1i ;
|
||
|
|
|
||
|
|
__1i = __1bpts . start__5Flist ;
|
||
|
|
|
||
|
|
for(;__1i < (__1bpts . end__5Flist - 1 );__1i ++ ) {
|
||
|
|
REAL __2pta ;
|
||
|
|
|
||
|
|
REAL __2ptb ;
|
||
|
|
__2pta = (__1bpts . pts__5Flist [__1i ]);
|
||
|
|
__2ptb = (__1bpts . pts__5Flist [(__1i + 1 )]);
|
||
|
|
|
||
|
|
__gldownloadAll__5QuiltFPfT1R70 ( (struct Quilt *)__0this -> qlist__10Subdivider , & __2pta , & __2ptb , __0this -> backend__10Subdivider ) ;
|
||
|
|
|
||
|
|
{ struct Curvelist __2curvelist ;
|
||
|
|
|
||
|
|
__gl__ct__9CurvelistFP5QuiltfT0 ( (struct Curvelist *)(& __2curvelist ), __0this -> qlist__10Subdivider , __2pta , __2ptb ) ;
|
||
|
|
__glsamplingSplit__10Subdivide0 ( __0this , (struct Curvelist *)(& __2curvelist ), ((*__0this -> renderhints__10Subdivider )). maxsubdivisions__11Renderhints ) ;
|
||
|
|
|
||
|
|
__gl__dt__9CurvelistFv ( (struct Curvelist *)(& __2curvelist ), 2) ;
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
__glendcurv__7BackendFv ( (struct Backend *)__0this -> backend__10Subdivider ) ;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
__gl__dt__5FlistFv ( (struct Flist *)(& __1bpts ), 2) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
int __glcullCheck__9CurvelistFv (struct Curvelist *);
|
||
|
|
void __glgetstepsize__9CurvelistFv (struct Curvelist *);
|
||
|
|
int __glneedsSamplingSubdivision__1 (struct Curvelist *);
|
||
|
|
|
||
|
|
struct Curvelist *__gl__ct__9CurvelistFR9Curveli0 (struct Curvelist *, struct Curvelist *, REAL );
|
||
|
|
|
||
|
|
void __glcurvgrid__7BackendFfT1l (struct Backend *, REAL , REAL , long );
|
||
|
|
void __glcurvmesh__7BackendFlT1 (struct Backend *, long , long );
|
||
|
|
|
||
|
|
void __glsamplingSplit__10Subdivide0 (struct Subdivider *__0this , struct Curvelist *__1curvelist , int __1subdivisions )
|
||
|
|
{
|
||
|
|
if (__glcullCheck__9CurvelistFv ( (struct Curvelist *)__1curvelist ) == 0 )return ;
|
||
|
|
|
||
|
|
__glgetstepsize__9CurvelistFv ( (struct Curvelist *)__1curvelist ) ;
|
||
|
|
|
||
|
|
if (__glneedsSamplingSubdivision__1 ( (struct Curvelist *)__1curvelist ) && (__1subdivisions > 0 )){
|
||
|
|
REAL __2mid ;
|
||
|
|
struct Curvelist __2lowerlist ;
|
||
|
|
|
||
|
|
__2mid = (((((*__1curvelist )). range__9Curvelist [0 ])+ (((*__1curvelist )). range__9Curvelist [1 ]))* 0.5 );
|
||
|
|
__gl__ct__9CurvelistFR9Curveli0 ( (struct Curvelist *)(& __2lowerlist ), __1curvelist , __2mid ) ;
|
||
|
|
__glsamplingSplit__10Subdivide0 ( __0this , (struct Curvelist *)(& __2lowerlist ), __1subdivisions - 1 ) ;
|
||
|
|
__glsamplingSplit__10Subdivide0 ( __0this , __1curvelist , __1subdivisions - 1 ) ;
|
||
|
|
|
||
|
|
__gl__dt__9CurvelistFv ( (struct Curvelist *)(& __2lowerlist ), 2) ;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
long __2nu ;
|
||
|
|
|
||
|
|
__2nu = (1 + (((long )((((*__1curvelist )). range__9Curvelist [2 ])/ ((*__1curvelist )). stepsize__9Curvelist ))));
|
||
|
|
__glcurvgrid__7BackendFfT1l ( (struct Backend *)__0this -> backend__10Subdivider , ((*__1curvelist )). range__9Curvelist [0 ], ((*__1curvelist )). range__9Curvelist [1 ], __2nu ) ;
|
||
|
|
__glcurvmesh__7BackendFlT1 ( (struct Backend *)__0this -> backend__10Subdivider , (long )0 , __2nu ) ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* the end */
|