Hi Chris,
Thanks for the speedy reply. In the GD section here
http://www.bsch.au.com/admin/phpinfo.php
it says "GIF support - enabled"
I'm starting to wonder though if PHP can do this? I looked up the
imagecolourtransparent function on the PHP site and it says:
int imagecolortransparent (int im [, int col])
ImageColorTransparent() sets the transparent color in the im image to col.
Im is the image identifier returned by ImageCreate() and col is a color
identifier returned by ImageColorAllocate().
Note "Im is the image identifier returned by ImageCreate()" - does this mean
this function only works with images PHP has created?
----- Original Message -----
From: "Chris Lambert" <[EMAIL PROTECTED]>
To: "Ben Quinn" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Tuesday, August 21, 2001 4:49 PM
Subject: Re: [PHP] Importing a GIF image and making it transparent
> 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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