HaruPage::getGrayStroke
  Get the current stroking color
  
 
  Description
  
   float HaruPage::getGrayStroke
    ( void
   )
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns the current stroking color.
  
  
 
  Errors/Exceptions
  Throws a HaruException on error.