+ case 'g':
+ argc--;
+ argv++;
+ if (!argc) {
+ fprintf(stderr, "ERROR: No argument supplied for '-g' option\n");
+ wantUsage = true;
+ goto bail;
+ }
+ tolerance = atoi(argv[0]);
+ bundle.setGrayscaleTolerance(tolerance);
+ printf("%s: Images with deviation <= %d will be forced to grayscale.\n", prog, tolerance);
+ break;