Lines Matching defs:contrast
289 /* ranges from 1 (little contrast) up to 255 (much contrast) */
290 int contrast = auto_contr ? 0 : (SANE_UNFIX (s->val[OPT_CONTRAST])
295 /* ranges from 20 (little contrast) down to -20 = 235 (much contrast) */
328 Byte contrast;
359 brightness, contrast, bright_adjust, contr_adjust);
383 cmd.wd.contrast = contrast;
780 /* contrast */
803 /* contrast automatic correct */
805 s->opt[OPT_CONTR_ADJUST].title = "Automatic contrast adjust";
806 s->opt[OPT_CONTR_ADJUST].desc = "Controls the automatic contrast of the "
807 " acquired image. This option is active for automatic contrast only.";