| protected getColumnFormatFromFile ( string $filename = null, boolean $highDensityVertical = true ) : string[] | null | ||
| $filename | string | Filename to load from |
| $highDensityVertical | boolean | True for high density output (24px lines), false for regular density (8px) |
| return | string[] | null | Column format data as array, or NULL if optimised renderer isn't available in this implementation. |
protected function getColumnFormatFromFile($filename = null, $highDensityVertical = true)
{
// No optimised implementation to provide
return null;
}