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root/Development/ray/src/px/ximage.c
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Comparing ray/src/px/ximage.c (file contents):
Revision 1.26 by greg, Wed Oct 17 15:15:52 1990 UTC vs.
Revision 1.28 by greg, Mon Mar 18 09:35:04 1991 UTC

# Line 373 | Line 373 | XKeyEvent  *ekey;
373                          sprintf(buf, "%.3f", intens(cval)/exposure);
374                          break;
375                  case 'l':                               /* luminance */
376 <                        sprintf(buf, "%.0fn", bright(cval)*683.0/exposure);
376 >                        sprintf(buf, "%.0fn", luminance(cval)/exposure);
377                          break;
378                  case 'c':                               /* color */
379                          comp = pow(2.0, (double)scale);
# Line 681 | Line 681 | colormap  map;
681          register int  i, val;
682  
683          for (i = 0; i < 256; i++) {
684 <                val = pow(i/256.0, 1.0/gamcor) * 256.0;
684 >                val = pow((i+0.5)/256.0, 1.0/gamcor) * 256.0;
685                  map[0][i] = map[1][i] = map[2][i] = val;
686          }
687   }

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