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root/radiance/ray/src/px/pf2.c
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Comparing ray/src/px/pf2.c (file contents):
Revision 2.4 by greg, Wed Nov 9 15:04:52 1994 UTC vs.
Revision 2.6 by greg, Sat Feb 22 02:07:27 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1994 Regents of the University of California */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ LBL";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   *  pf2.c - routines used by pfilt.
6   */
7  
8   #include  <stdio.h>
9  
10 + #include  <stdlib.h>
11 +
12   #include  <math.h>
13  
14   #include  "random.h"
# Line 36 | Line 35 | extern char  *progname;
35  
36   extern COLOR  exposure;         /* exposure for frame */
37  
38 + extern double  (*ourbright)();  /* brightness calculation function */
39 +
40   #define  AVGLVL         0.5     /* target mean brightness */
41  
42   double  avgbrt;                 /* average picture brightness */
# Line 73 | Line 74 | pass1scan(scan, y)             /* process first pass scanline */
74   register COLOR  *scan;
75   int  y;
76   {
76 –        extern char  *malloc();
77          double  cbrt;
78          register int  x;
79          register HOTPIX  *hp;
80  
81          for (x = 0; x < xres; x++) {
82          
83 <                cbrt = bright(scan[x]);
83 >                cbrt = (*ourbright)(scan[x]);
84  
85                  if (cbrt <= 0)
86                          continue;
# Line 118 | Line 118 | pass2init()                    /* prepare for final pass */
118  
119          scalecolor(exposure,  AVGLVL/avgbrt);
120          
121 <        sprdfact = spread / (hotlvl * bright(exposure))
121 >        sprdfact = spread / (hotlvl * (*ourbright)(exposure))
122                          * ((double)xres*xres + (double)yres*yres) / 4.0;
123   }
124  

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