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root/Development/ray/src/common/view.h

Comparing ray/src/common/view.h (file contents):
Revision 2.6 by greg, Tue Jan 9 12:21:13 1996 UTC vs.
Revision 2.13 by schorsch, Mon Jul 14 22:23:59 2003 UTC

#	Line 1 | Line 1
1	<	/* Copyright (c) 1994 Regents of the University of California */
2	<
3	<	/* SCCSid "$SunId$ LBL" */
4	<
1	>	/* RCSid $Id$ */
2		/*
3		*  view.h - header file for image generation.
4		*
5	<	*     9/19/88
5	>	*  Include after stdio.h and fvect.h
6	>	*  Includes resolu.h
7		*/
8	+	#ifndef _RAD_VIEW_H_
9	+	#define _RAD_VIEW_H_
10
11	+	#include  "resolu.h"
12	+
13	+	#ifdef __cplusplus
14	+	extern "C" {
15	+	#endif
16	+
17		/* view types */
18		#define  VT_PER         'v'             /* perspective */
19		#define  VT_PAR         'l'             /* parallel */
#	Line 34 | Line 40 | typedef struct {
40
41		extern VIEW  stdview;
42
37	–	extern char  *setview();
38	–
39	–	extern double  viewray();
40	–
41	–	extern char  *viewopt();
42	–
43		#define  viewaspect(v)  sqrt((v)->vn2/(v)->hn2)
44
45		#define  STDVIEW        {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \
#	Line 48 | Line 48 | extern char  *viewopt();
48
49		#define  VIEWSTR        "VIEW="
50		#define  VIEWSTRL       5
51	+
52	+
53	+	extern char     *setview(VIEW *v);
54	+	extern void     normaspect(double va, double *ap, int *xp, int *yp);
55	+	extern double   viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y);
56	+	extern void     viewloc(FVECT ip, VIEW *v, FVECT p);
57	+	extern void     pix2loc(RREAL loc[2], RESOLU *rp, int px, int py);
58	+	extern void     loc2pix(int pp[2], RESOLU *rp, double lx, double ly);
59	+	extern int      getviewopt(VIEW *v, int ac, char *av[]);
60	+	extern int      sscanview(VIEW *vp, char *s);
61	+	extern void     fprintview(VIEW *vp, FILE *fp);
62	+	extern char     *viewopt(VIEW *vp);
63	+	extern int      isview(char *s);
64	+	extern int      viewfile(char *fname, VIEW *vp, RESOLU *rp);
65	+
66	+
67	+	#ifdef __cplusplus
68	+	}
69	+	#endif
70	+	#endif /* _RAD_VIEW_H_ */
71	+

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