Using a GD that has GIF support, you can do this....
<?php
// we expect $scale and $image to be defined, having been passed to us via
// query string, e.g. http://www.foo.com/img.php3?image=test.gif&scale=4
// create an image object from the source file
$srcImg = imagecreatefromgif($DOCUMENT_ROOT . $image);
// create a (blank) smaller image object
$srcSize = getimagesize($DOCUMENT_ROOT . $image);
$dstImg = imagecreate($srcSize[0]/$scale, $srcSize[1]/$scale);
// copy and resize from the source image object to the smaller blank one
imagecopyresized($dstImg, $srcImg, 0, 0, 0, 0,
$srcSize[0]/$scale, $srcSize[1]/$scale,
$srcSize[0], $srcSize[1]);
// send the smaller image object to the browser
header( "Content-Type: image/gif");
imagegif($dstImg);
// clean up
imagedestroy($scrImg);
imagedestroy($dstImg);
?>
> -----Original Message-----
> From: Jason Murray [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, March 29, 2001 7:49 PM
> To: 'Jack Dempsey'; YoBro
> Cc: [EMAIL PROTECTED]
> Subject: RE: [PHP] Image Resizing in PHP
>
>
> > Perhaps i'm not following what you're trying to do, but why not
> > manipulate the height/width img tag attributes to make it
> look like a
> > thumbnail, but then when displaying it for real, take them out?
>
> Because then you have to download the entire large image.
>
> Large images are bigger. :)
>
> Jason
>
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