public function getImgResource($string, $size = 128, $color = '', $bg = '')
    {
        return $this->_instance->getImgResource($string, $size, $color, $bg);
    }
public function getImgResource($string, $size = 128, $color = '', $bg = '')
    {
        return $this->_instance->getImgResource($string, $size, $color, $bg);
    }
public function getImgResource ( $ string , $ size = 128 , $ color = '' , $ bg = '' ) { return $ this -> _instance -> getImgResource ( $ string , $ size , $ color , $ bg ) ; }
Get Image resource.

@param $string string.
$size side of image.
$color foreground color of image.
$bg background color of image.

@since 3.0.0

@return resource
Get Image resource .