windows-nt/Source/XPSP1/NT/multimedia/opengl/glu/libnurbs/reader.c
2020-09-26 16:20:57 +08:00

340 lines
5.6 KiB
C

/*
** Copyright 1992, Silicon Graphics, Inc.
** All Rights Reserved.
**
** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
** the contents of this file may not be disclosed to third parties, copied or
** duplicated in any form, in whole or in part, without the prior written
** permission of Silicon Graphics, Inc.
**
** RESTRICTED RIGHTS LEGEND:
** Use, duplication or disclosure by the Government is subject to restrictions
** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
** rights reserved under the Copyright Laws of the United States.
**
*/
#include <setjmp.h>
struct JumpBuffer {
jmp_buf buf;
};
#define mysetjmp(x) setjmp((x)->buf)
#define mylongjmp(x,y) longjmp((x)->buf, y)
/* <<AT&T USL C++ Language System <3.0.1> 02/03/92>> */
/* < ../core/reader.c++ > */
void *__vec_new (void *, int , int , void *);
void __vec_ct (void *, int , int , void *);
void __vec_dt (void *, int , int , void *);
void __vec_delete (void *, int , int , void *, int , int );
typedef int (*__vptp)(void);
struct __mptr {short d; short i; __vptp f; };
typedef unsigned int size_t ;
// extern void *malloc (size_t );
// extern void free (void *);
struct Buffer;
struct Buffer {
struct Buffer *next__6Buffer ;
};
struct Pool;
enum __Q2_4Pool5Magic { is_allocated__Q2_4Pool5Magic = 62369, is_free__Q2_4Pool5Magic = 61858} ;
struct Pool {
struct Buffer *freelist__4Pool ;
char *blocklist__4Pool [32];
int nextblock__4Pool ;
char *curblock__4Pool ;
int buffersize__4Pool ;
int nextsize__4Pool ;
int nextfree__4Pool ;
int initsize__4Pool ;
char *name__4Pool ;
int magic__4Pool ;
};
void __glgrow__4PoolFv (struct Pool *);
struct PooledObj;
struct PooledObj {
char __W3__9PooledObj ;
};
typedef float REAL ;
typedef void (*Pfvv )(void );
typedef void (*Pfvf )(float *);
typedef int (*cmpfunc )(void *, void *);
typedef REAL Knot ;
typedef REAL *Knot_ptr ;
enum Curvetype { ct_nurbscurve = 0, ct_pwlcurve = 1, ct_none = 2} ;
struct Property;
struct O_surface;
struct O_nurbssurface;
struct O_trim;
struct O_pwlcurve;
struct O_nurbscurve;
struct O_curve;
struct Quilt;
struct TrimVertex;
union __Q2_7O_curve4__C1;
union __Q2_7O_curve4__C1 {
struct O_nurbscurve *o_nurbscurve ;
struct O_pwlcurve *o_pwlcurve ;
};
struct O_curve;
struct O_curve {
char __W3__9PooledObj ;
union __Q2_7O_curve4__C1 curve__7O_curve ;
int curvetype__7O_curve ;
struct O_curve *next__7O_curve ;
struct O_surface *owner__7O_curve ;
int used__7O_curve ;
int save__7O_curve ;
long nuid__7O_curve ;
};
struct O_nurbscurve;
struct O_nurbscurve {
char __W3__9PooledObj ;
struct Quilt *bezier_curves__12O_nurbscurve ;
long type__12O_nurbscurve ;
REAL tesselation__12O_nurbscurve ;
int method__12O_nurbscurve ;
struct O_nurbscurve *next__12O_nurbscurve ;
int used__12O_nurbscurve ;
int save__12O_nurbscurve ;
struct O_curve *owner__12O_nurbscurve ;
};
struct O_pwlcurve;
struct O_pwlcurve {
char __W3__9PooledObj ;
struct TrimVertex *pts__10O_pwlcurve ;
int npts__10O_pwlcurve ;
struct O_pwlcurve *next__10O_pwlcurve ;
int used__10O_pwlcurve ;
int save__10O_pwlcurve ;
struct O_curve *owner__10O_pwlcurve ;
};
struct O_trim;
struct O_trim {
char __W3__9PooledObj ;
struct O_curve *o_curve__6O_trim ;
struct O_trim *next__6O_trim ;
int save__6O_trim ;
};
struct O_nurbssurface;
struct O_nurbssurface {
char __W3__9PooledObj ;
struct Quilt *bezier_patches__14O_nurbssurface ;
long type__14O_nurbssurface ;
struct O_surface *owner__14O_nurbssurface ;
struct O_nurbssurface *next__14O_nurbssurface ;
int save__14O_nurbssurface ;
int used__14O_nurbssurface ;
};
struct O_surface;
struct O_surface {
char __W3__9PooledObj ;
struct O_nurbssurface *o_nurbssurface__9O_surface ;
struct O_trim *o_trim__9O_surface ;
int save__9O_surface ;
long nuid__9O_surface ;
};
struct Property;
struct Property {
char __W3__9PooledObj ;
long type__8Property ;
long tag__8Property ;
REAL value__8Property ;
int save__8Property ;
};
struct NurbsTessellator;
struct TrimVertex;
struct TrimVertex {
REAL param__10TrimVertex [2];
long nuid__10TrimVertex ;
};
typedef struct TrimVertex *TrimVertex_p ;
extern struct __mptr* __ptbl_vec_____core_reader_c_____ct_[];
struct O_pwlcurve *__gl__ct__10O_pwlcurveFlT1PfT10 (struct O_pwlcurve *__0this , long __1_type , long __1count , float *__1array , long __1byte_stride , struct TrimVertex *__1trimpts )
{
__0this ->
next__10O_pwlcurve = 0 ;
__0this -> used__10O_pwlcurve = 0 ;
__0this -> owner__10O_pwlcurve = 0 ;
__0this -> pts__10O_pwlcurve = __1trimpts ;
__0this -> npts__10O_pwlcurve = (((int )__1count ));
switch (__1_type ){
case 0x8 :{
struct TrimVertex *__3v ;
__3v = __0this -> pts__10O_pwlcurve ;
{ { struct TrimVertex *__3lastv ;
__3lastv = (__3v + __1count );
for(;__3v != __3lastv ;__3v ++ ) {
(__3v -> param__10TrimVertex [0 ])= (((float )(__1array [0 ])));
(__3v -> param__10TrimVertex [1 ])= (((float )(__1array [1 ])));
__1array = (((float *)((((char *)__1array ))+ __1byte_stride )));
}
break ;
}
}
}
case 0xd :{
struct TrimVertex *__3v ;
__3v = __0this -> pts__10O_pwlcurve ;
{ { struct TrimVertex *__3lastv ;
__3lastv = (__3v + __1count );
for(;__3v != __3lastv ;__3v ++ ) {
(__3v -> param__10TrimVertex [0 ])= ((((float )(__1array [0 ])))/ (((float )(__1array [2 ]))));
(__3v -> param__10TrimVertex [1 ])= ((((float )(__1array [1 ])))/ (((float )(__1array [2 ]))));
__1array = (((float *)((((char *)__1array ))+ __1byte_stride )));
}
break ;
}
}
}
}
return __0this ;
}
/* the end */