PHP GDライブラリ

<?php

    $file = '12.jpg'; 

    //    

    $im = imagecreatefromjpeg($file);

    //        

    $color = imagecolorallocatealpha($im,211,210,212,80);

    //        

    $fontfile = "./msyhbd.ttf";

    //    

    $str = iconv("gbk","utf-8","    PHP  ");

    //   

    imagettftext($im,30,0,40,80,$color,$fontfile,$str);

    header("content-type:image/jpeg");

    imagejpeg($im);

    imagejpeg($im,'water.jpg');

    imagedestroy($im);

?>