(flags & CALIB_CB_ACCURACY) { para.super_resolution = true; flags ^= CALIB_CB_ACCURACY; } if(flags & CALIB_CB_LARGER) { para.larger = true; flags ^= CALIB_CB_LARGER; } if(flags & CALIB_CB_MARKER) { para.marker = true; para.max_points *= 4; flags ^= CALIB_CB_MARKER; } ...