/**
* Function caluclulate the length of a variable width string
* @param string $string the string we wish to calculate the length of
* @param bool use_font_size default false --
* @returns float the length of the string
*/
protected function getVariableStringWidth($string, $use_font_size = false)
{
if ($this->direction != -1) {
return $this->font_metrics[$this->direction]->getVariableStringWidth($string, $use_font_size);
} else {
return parent::getVariableStringWidth($string, $use_font_size);
}
}
