Text labels in or above the bar
| protected BarLabel ( $value, &$bar, $offset_y = null ) |
/**
* Overridden to prevent drawing behind higher bars
* $offset_y should be true for inner bars
*/
protected function BarLabel(&$item, &$bar, $offset_y = null)
{
$font_size = $this->bar_label_font_size;
$space = $this->bar_label_space;
if ($offset_y) {
// bar too small, would be above
if ($bar['height'] < $font_size + 2 * $space) {
return parent::BarLabel($item, $bar, ($bar['height'] + $font_size) / 2);
}
// option set to above
if ($this->bar_label_position == 'above') {
$this->bar_label_position = 'top';
$label = parent::BarLabel($item, $bar);
$this->bar_label_position = 'above';
return $label;
}
}
return parent::BarLabel($item, $bar);
}
