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root/Development/ray/src/common/image.c

Comparing ray/src/common/image.c (file contents):
Revision 1.5 by greg, Mon Jan 8 14:45:52 1990 UTC vs.
Revision 1.7 by greg, Tue Jan 9 11:37:50 1990 UTC

#	Line 65 | Line 65 | register VIEW  *v;
65		}
66
67
68	+	normaspect(va, ap, xp, yp)              /* fix pixel aspect or resolution */
69	+	double  va;                     /* view aspect ratio */
70	+	double  *ap;                    /* pixel aspect in (or out if 0) */
71	+	int  *xp, *yp;                  /* x and y resolution in (or out if *ap!=0) */
72	+	{
73	+	if (*ap <= FTINY)
74	+	*ap = va * *xp / *yp;           /* compute pixel aspect */
75	+	else if (va * *xp > *ap * *yp)
76	+	*xp = *yp / va * *ap;           /* reduce x resolution */
77	+	else
78	+	*yp = *xp * va / *ap;           /* reduce y resolution */
79	+	}
80	+
81	+
82		viewray(orig, direc, v, x, y)           /* compute ray origin and direction */
83		FVECT  orig, direc;
84		register VIEW  *v;

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