Re: [PHP] Importing a GIF image and making it transparent

[Ben Quinn]

G'day Chris

Yep i did, with this code

$id = ImageCreateFromGif("http://mirror.bom.gov.au/radar/IDR503.gif";);

I get this error :<

Warning: imagecreatefromgif: Sockets are not supported for image type 'GIF'
in /home/httpd/html/bsch/temp/monkey.php on line 5

Brick wall #9080982093848934  - but i guess that makes the end result just
that little bit better :-)

BTW - can anyone recommend a good GD install tutorial? If i can't run this
script on my website i'll install PHP and GD and run it from my computer



----- Original Message -----
From: "Chris Lambert" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, August 21, 2001 8:45 PM
Subject: Re: [PHP] Importing a GIF image and making it transparent


> Did you use quotes around the URL when trying to access the image?
>
> /* 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 6:09 AM
> Subject: Re: [PHP] Importing a GIF image and making it transparent
>
>
> |
> | Thanks to those who replied, i finally worked it out - the script has
been
> | pasted below just incase anyone is sifting through the list archives
> looking
> | for the same thing.  One thing though, my server doesn't allow me to
open
> a
> | GIF file through HTTP - ie this doesn't work
> |
> | $image = ImageCreateFromGif(http://www.severname.com/image.gif);
> |
> | Does anyone know of a server/hosting company that will allow me to do
> this?
> |
> |
> | The script:
> |
> | <?
> |
> | $id = ImageCreateFromGif("image.gif");
> |
> | $trans = imagecolorexact($id, 120, 100, 90);
> |
> | imagecolortransparent($id, $trans);
> |
> | ImageGIF($id,"newimage.gif");
> |
> | echo "done";
> |
> | ?>
> |
> |
> |
> | ----- 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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