It doesn't look like you'll be able to use GD, as GIF support was dropped in
1.6 and JPEG support was only added in 1.8. You'd have to experiment with
ImageMagick, or another command-line tool independent of PHP.
/* Chris Lambert, CTO - [EMAIL PROTECTED]
WhiteCrown Networks - More Than White Hats
Web Application Security - www.whitecrown.net
*/
----- Original Message -----
From: Ben Quinn <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, August 21, 2001 2:23 AM
Subject: [PHP] Importing a GIF image and making it transparent
| Hi all
|
| I've been trying to make a script that imports a GIF image from an
external
| server (i have permission to do this, see below) and designates a certain
| colour transparent for some time now and i'm not having much luck. Can
| anyone help or provide a script that does this?
|
| The images i'm using are Australian weather radar images with a rather
plain
| brown background
|
| http://mirror.bom.gov.au/radar/IDR503.gif
|
| What i'd like to do is have an orographic map for the background, like
this
|
| http://www.bsch.au.com/temp/preview.jpg
|
| The radar images are available to the public and i have permission to make
| these alterations
|
| Is it possible for PHP to download a GIF image (through HTTP), designate a
| certain colour transparent and then display the image on the screen
without
| saving the image to the server?
|
| Any help i can get with this would be much appreciated
|
|
|
|
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|
|
|
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