58 |
|
#define VL_OUTSIDE 0x4 /* world point is outside frustum */ |
59 |
|
#define VL_BEYOND 0x8 /* point is beyond aft clipping plane */ |
60 |
|
|
61 |
+ |
extern char *progname; /* global argv[0] */ |
62 |
+ |
extern char *fixargv0(char *arg0); |
63 |
|
extern char *setview(VIEW *v); |
64 |
+ |
extern char *cropview(VIEW *v, double x0, double y0, double x1, double y1); |
65 |
|
extern void normaspect(double va, double *ap, int *xp, int *yp); |
66 |
|
extern double viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y); |
67 |
|
extern int jitteraperture(FVECT orig, FVECT direc, VIEW *v, double dia); |