/**
* crops a image identified by an imgageURL and returns a new tempFileImage
*
* @param string $imageurl imageURL of the image to be croped
* @param int $left left position of crop window
* @param int $top top position of crop window
* @param int $widht widht of crop window
* @param int $height heidht of crop window
* @return string imageURL of new temp image
*
*/
public function cropImage($imageurl, $left, $top, $widht, $height)
{
$this->checkAuth();
$image = Tinebase_Model_Image::getImageFromImageURL($imageurl);
Tinebase_ImageHelper::crop($image, $left, $top, $widht, $height);
}
