[squeakland] How can you make a graphic in Etoys transparent?

[K. K. Subramaniam]

On Wednesday 03 Aug 2011 9:39:03 PM K. K. Subramaniam wrote:
> On Wednesday 03 Aug 2011 8:22:26 AM Steve Thomas wrote:
> > it would be nice to be able to set the sketch's transparency.  I can add
> > an extra transparent playfield (which shows the gridlines even when
> > alpha=0, which is nice) but the ability to set a sketch's alpha would be
> > useful.
> 
> AFAIK, SketchMorph is a special kind of Morph that can rotate an arbitrary
> Form efficiently before displaying it. It is not capable of varying the
> alpha (translucency) of this form.
> 
> You could add a feature request or discuss it in squeak-dev mailing list.
Oops! I just saw your feature request.

Meanwhile, you could use a trick to simulate fade-in/fade-out for locked down 
sketches. Place the sketch in between two rectangle siblings. Vary the alpha 
of the top rectangle to affect the translucency of the sketch.

HTH .. Subbu