Преобразование pdf в jpeg

$file = $_SERVER['DOCUMENT_ROOT'].CFile::GetPath($arResult["PROPERTIES"]["_2D_SCHEME"]["VALUE"][0]);
$image = new Imagick();
$image->setResolution(300,300);
$image->setBackgroundColor('white');
$image->readImage($file);
$image->setGravity(Imagick::GRAVITY_CENTER);
$image->setOption('pdf:fit-to-page',true);
$image->setImageFormat('jpeg');
$image->setImageCompression(imagick::COMPRESSION_JPEG);
$image->setImageCompressionQuality(40);
$image->scaleImage(1200,1200, true);
$image->mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN);
$image->writeImage($_SERVER['DOCUMENT_ROOT'].'/include/'.$arResult["NAME"].'.jpeg');
$pathImage = str_replace("/var/www/u0876248/data/www/new.allfresco.ru/", "/", $image->getImageFilename());