<?php
extract($_GET, EXTR_SKIP|EXTR_PREFIX_ALL|EXTR_REFS, '');
$im = imlib_load_image('test.jpg');
imlib_apply_filter($im,"colormod",array("brightness"=>$_b,"contrast"=>$_c,"gamma"=>$_g,"tint_r"=>$_t_r,"tint_g"=>$_t_g,"tint_b"=>$_t_b));
Header('Content-type: image/jpeg');
imlib_dump_image($im);
imlib_free_image($im);
?>