public function setColor($red, $green, $blue)
    {
        $this->red = $red;
        $this->green = $green;
        $this->blue = $blue;

        return $this;
    }
public function setColor($red, $green, $blue)
    {
        $this->red = $red;
        $this->green = $green;
        $this->blue = $blue;

        return $this;
    }
public function setColor ( $ red , $ green , $ blue ) { $ this -> red = $ red ; $ this -> green = $ green ; $ this -> blue = $ blue ; return $ this ; }
Sets RGB color for text.

@access public
@param int $red Red color.
@param int $green Green color.
@param int $blue Blue color.
@return $this
Sets RGB color for text .