Grafika\Gd\Image::alphaBlendingMode PHP Method

Set the blending mode for an image. Allows transparent overlays on top of an image.

public alphaBlendingMode ( boolean $flag ) : self
$flag	boolean	True to enable blending mode.
return	self

    public function alphaBlendingMode($flag)
    {
        imagealphablending($this->gd, $flag);
        return $this;
    }

Image