convert -transparent white in.png out .png

might do it ..

On Fri, 3 Dec 2004, Peter Rundle wrote:

> Sluggers,
>
> seeing as we are on the subject....
>
> I've got a nice diagram in dia, that I'd like to put on a web page, I've been
> exporting it as a PNG and that works find except that I'd like the background
> to be transparent instead of white. With antialiasing to transparent insted of
> to white. Does anyone know how this can be achieved?
>
> TIA's
>
> Pete
>

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person

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