/**
* Store an operation to image's queue of operations
*
* @param Asido_Image &$image
* @param string $operation
* @param array $params
* @return boolean
*
* @access private
* @static
*/
function _operation(&$image, $operation, $params)
{
$d =& asido::_driver();
// no driver ?
//
if (!is_a($d, 'asido_driver')) {
trigger_error('No Asido driver loaded', E_USER_WARNING);
return false;
}
// not an image ?
//
if (!is_a($image, 'Asido_Image')) {
trigger_error(sprintf('The image you are attempting to ' . ' \'%s\' ("%s") is not a ' . ' valid Asido image object', $operation, get_class($image)), E_USER_ERROR);
return false;
}
// queue operation
//
$p = array_merge(array('tmp' => null), $params);
$image->operation(array(&$d, $operation), $p);
return true;
}
