librenms-librenms/html/includes/graphs/toner/usage.inc.php

<?php
$scale_min = '0';
$scale_max = '100';

require 'includes/graphs/common.inc.php';

$rrd_options .= " COMMENT:'                                 Cur    Max\\n'";

$colour = toner2colour($toner['toner_descr'], 100 - $toner['toner_current']);
if ($colour['left'] == null) {
    $colour['left'] = 'CC0000';
}

$descr = safedescr(substr(str_pad($toner['toner_descr'], 26), 0, 26));

$background = get_percentage_colours((100 - $toner['toner_current']));

$rrd_options .= ' DEF:toner'.$toner['toner_id'].'='.$rrd_filename.':toner:AVERAGE ';

$rrd_options .= ' LINE1:toner'.$toner['toner_id'].'#'.$colour['left'].":'".$descr."' ";

$rrd_options .= ' AREA:toner'.$toner['toner_id'].'#'.$background['right'].':';
$rrd_options .= ' GPRINT:toner'.$toner['toner_id'].":LAST:'%5.0lf%%'";
$rrd_options .= ' GPRINT:toner'.$toner['toner_id'].':MAX:%5.0lf%%\l';