Making a pasted image opaque

[Wilhelm Sanke]

On Thu, 01 Mar 2007,  Scott Rossi and David Epstein wrote:

> Recently, David Epstein wrote:
>
> > When I use Command-control-shift-4 and drag, Mac OSX copies part of
> > the screen to the clipboard.  When I put that into a MC image, the
> > "white" part of the image is transparent.  Both for appearance's sake,
> > and because I want the image to receive mouseDown messages even when a
> > white area is clicked, I'd like to make the image I've pasted fully
> > "opaque".  Is there a way to script this transformation?
>
> One way is create an entirely new image by importing a snapshot of the 
> image
> against the white of the card.  You can then delete the original image if
> you wish.
>
> Regards,
>
> Scott Rossi


One way to script this is like below:

"on mouseUp
  put 0 into Counter
  put the alphadata of img x into adata
  repeat for each char C in adata
    add 1 to counter
    put numtochar(255) into char counter of adata
  end repeat
  set the alphadata of img x to adata
 end mouseUp"

Regards,

Wilhelm Sanke
<http://www.sanke.org/MetaMedia>