getXColor() public method

Get the show X color
public getXColor ( ) : Pop\Color\Space\ColorInterface
return Pop\Color\Space\ColorInterface
 /**
  * Draw the Y Axis increments
  *
  * @param  array        $yAxis
  * @param  \ArrayObject $points
  * @param  int          $offset
  * @return void
  */
 protected function showYAxis($yAxis, $points, $offset = 0)
 {
     $this->graph->adapter()->setStrokeWidth(1);
     $this->graph->adapter()->setStrokeColor($this->graph->getXColor());
     $this->graph->adapter()->setFillColor($this->graph->getFontColor());
     $i = 0;
     if ($offset != 0) {
         if ($this->graph->adapter() instanceof \Pop\Pdf\Pdf) {
             $realYDiv = ($points->yLength + $offset * 2) / (count($yAxis) - 1);
             $realZeroY = $points->zeroPoint['y'] - $realYDiv / 2;
         } else {
             $realYDiv = ($points->yLength - $offset * 2) / (count($yAxis) - 1);
             $realZeroY = $points->zeroPoint['y'] - $realYDiv / 2;
         }
     } else {
         $realYDiv = $points->yDiv;
         $realZeroY = $points->zeroPoint['y'];
     }
     foreach ($yAxis as $y) {
         $this->graph->adapter()->drawLine($points->zeroPoint['x'], $realZeroY - $realYDiv * $i, $this->graph->getWidth() - $this->graph->getPadding(), $realZeroY - $realYDiv * $i);
         $i++;
     }
 }