/**
* Returns grid alpha
*
* @return integer
*/
public function getGridAlpha()
{
return $this->gridAlpha->getOpacity();
}
/**
* Returns line alpha
*
* @return integer
*/
public function getLineAlpha()
{
return $this->lineAlpha->getOpacity();
}
/**
* Returns start alpha
*
* @return integer
*/
public function getStartAlpha()
{
return $this->startAlpha->getOpacity();
}
/**
* Returns cursor alpha
*
* @return integer
*/
public function getCursorAlpha()
{
return $this->cursorAlpha->getOpacity();
}
