Lines Matching full:gamma
7 It supports gamma correction, user-specified background colors, and user-
338 * get the "gamma" value, so we do it the hard way */
382 } else if (!strncmp(*argv, "-gamma", 2)) {
470 "Usage: %s [-display xdpy] [-gamma exp] [-bgcolor bg | -bgpat pat]\n"
480 " exp \ttransfer-function exponent (``gamma'') of the display\n"
