+ case 'R':
+ if ( strcmp( optarg, "normal" ) == 0 )
+ im->canvas->aa_type = AA_NORMAL;
+ else if ( strcmp( optarg, "light" ) == 0 )
+ im->canvas->aa_type = AA_LIGHT;
+ else if ( strcmp( optarg, "mono" ) == 0 )
+ im->canvas->aa_type = AA_NONE;
+ else
+ {
+ rrd_set_error("unknown font-render-mode '%s'", optarg );
+ return;
+ }
+ break;
+
+ case 'B':
+ im->canvas->font_aa_threshold = atof(optarg);
+ break;
+