<br />
<?php<br />
// this script creates a watermarked image from an image file - can be a .jpg .gif or .png file<br />
// where watermark.gif is a mostly transparent gif image with the watermark - goes in the same directory as this script<br />
// where this script is named watermark.php<br />
// call this script with an image tag<br />
// <img src="watermark.php?path=imagepath"> where path is a relative path such as subdirectory/image.jpg<br />
$imagesource =  $_GET['path'];<br />
$watermarkPath = $_GET['watermark'];<br />
$filetype = substr($imagesource,strlen($imagesource)-4,4);<br />
$filetype = strtolower($filetype);<br />
$watermarkType = substr($watermarkPath,strlen($watermarkPath)-4,4);<br />
$watermarkType = strtolower($watermarkType);</p>
<p>    if($filetype == ".gif")<br />
$image = @imagecreatefromgif($imagesource);<br />
else<br />
if($filetype == ".jpg" || $filetype == "jpeg")<br />
$image = @imagecreatefromjpeg($imagesource);<br />
else<br />
if($filetype == ".png")<br />
$image = @imagecreatefrompng($imagesource);<br />
else<br />
die();  </p>
<p>    if(!$image)<br />
die();</p>
<p>    if($watermarkType == ".gif")<br />
$watermark = @imagecreatefromgif($watermarkPath);<br />
else<br />
if($watermarkType == ".png")<br />
$watermark = @imagecreatefrompng($watermarkPath);<br />
else<br />
die();</p>
<p>    if(!$watermark)<br />
die();</p>
<p>    $imagewidth = imagesx($image);<br />
$imageheight = imagesy($image);<br />
$watermarkwidth =  imagesx($watermark);<br />
$watermarkheight =  imagesy($watermark);<br />
$startwidth = (($imagewidth - $watermarkwidth)/2);<br />
$startheight = (($imageheight - $watermarkheight)/2);<br />
imagecopy($image, $watermark,  $startwidth, $startheight, 0, 0, $watermarkwidth, $watermarkheight);<br />
imagejpeg($image);<br />
imagedestroy($image);<br />
imagedestroy($watermark);<br />
?><br />

No related posts.

Related posts brought to you by Yet Another Related Posts Plugin.