[racket] Transparent area's

Hi,

My recollection is that the current graphics toolkit has limited
support for transparency, but it should work for drawing text on an
image. Can you send a small example illustrating the problem?

Cheers,
N.

On Mon, Oct 18, 2010 at 2:07 PM, Christophe Vandenberghe
<chvndb at gmail.com> wrote:
> I am fairly new to scheme and I have been experimenting with the Graphics
> Toolkit from Racket.
>
> I am  trying to work with a background image and have everything else be on
> top of that image. The problem is that most area’s come with a grey
> background that I can’t seem to get rid of....