[REBOL] Re: Transparency
From: arolls:idatam:au at: 16-Nov-2001 13:21
Try changing effect [key white] to effect [key 255.255.255]
Anton.
> I need to plot some points dynamically over an image. I
> thought I could
> do it easily by adapting graph.r by Phil Bevans. I'd just make the
> "paper" transparent and make the image the backdrop. This sorta
> worked. I made the "paper" color, white, transparent in the panel on
> which the plot is done. That works up until I clear the plot
> to update
> it. Then the "paper" goes back to white - which should be OK since
> I've made white the transparent color - but it isn't transparent
> anymore. Is it a bug that white doesn't remain transparent - or do I
> just not know how to keep it that way.
> panel
> [
> across
> origin 5x5
> space 5x5
> at 5x5
> gr-paper-f: image gr-paper/image
> effect [key white] ;;;this works
effect [key 255.255.255]
