/**
  * Create a line class -PDF
  * @param mixed $x1
  * @param mixed $y1
  * @param mixed $x2
  * @param mixed $y2
  */
 function PGVRLinePDF($x1, $y1, $x2, $y2)
 {
     parent::PGVRLine($x1, $y1, $x2, $y2);
 }
 /**
  * Create a line class -HTML
  * @param mixed $x1
  * @param mixed $y1
  * @param mixed $x2
  * @param mixed $y2
  */
 function PGVRLineHTML($x1, $y1, $x2, $y2)
 {
     parent::PGVRLine($x1, $y1, $x2, $y2);
 }