Mike42\Escpos\ImagickEscposImage::alphaRemove PHP Method

alphaRemove() private static method

There are other methods for this: - flattenImages() is deprecated - setImageAlphaChannel(Imagick::ALPHACHANNEL_REMOVE) is not available on ImageMagick < 6.8.
private static alphaRemove ( Imagick $im ) : Imagick
$im Imagick Image to flatten
return Imagick Flattened image
    private static function alphaRemove(Imagick $im)
    {
        $flat = new \Imagick();
        $flat->newImage($im->getimagewidth(), $im->getimageheight(), "white", $im->getimageformat());
        $flat->compositeimage($im, \Imagick::COMPOSITE_OVER, 0, 0);
        return $flat;
    }