Crop

$original = $this->config->basePath .'images/gallery/original/' . $imageId . '.jpg';
$image_width_lge = 700;
$image_height_lge = 340;
$image_quality_lge = 75;
$image_loc_lge = $this->config->basePath .'images/gallery/large/' . $imageId . '.jpg';
require_once($this->config->basePath . 'imagemagick.php');

$img = new ims;
$resource = $img->create_resource();
$img->load_image($original, $resource);
$img->crop_image($resource, $_POST['crop']['w'], $_POST['crop']['h'], $_POST['crop']['x'], $_POST['crop']['y']);
$img->output_image($resource, 'JPG', $image_loc_lge, $image_quality_lge);