WhiteThresholdImage 10418 magick/command.c             (void) WhiteThresholdImage(*image,argv[i]);
WhiteThresholdImage   59 magick/effect.h   WhiteThresholdImage(Image *image,const char *thresholds);
WhiteThresholdImage 9805 wand/magick_wand.c   status=WhiteThresholdImage(wand->image,thresholds);