PATCHED library in inc/drivers/gd.class.php

replace function setAntialiasing($bool) bu this one :

function setAntiAliasing($bool) {
		if(function_exists('imageantialias')) {
			imageantialias($this->resource, (bool)$bool);

			$this->antiAliasing = (bool)$bool;
		} else {
			awImage::drawErrorFile('missing-anti-aliasing');
		}
	}