A little off-subject, but I'm curious why the alpha of a video track (a .mov
file) in the foreground layer does not work in 32-bit (True Color) color
mode in QT5/Win2k.  It does work in 16-bit (High Color).

Thanks,
Sam

----- Original Message -----
From: "Cole Tierney" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, March 13, 2002 9:50 AM
Subject: RE: <lingo-l> Cole's 32 to 16 bit dither question


> Robert Walch wrote:
>
> >  > Cole wrote:
> >>  >I'm about to whip up a little MIAW util to convert a bunch of
> >>  >bitmap members from 32 to 16 bit. If possible, I'd like to
> >>  >avoid off white being rounded to pure.
> >
> >>  Howdy-Tzi wrote:
> >>  However he also points out that there is no RGB ( 255, 255, 255 )
> >>  in 16-bit color; the highest white value is actually
> >>  rgb ( 248, 248, 248 )
> >
> >You might have to do a per pixel check to find values higher than 248,
> >248, 248 and bring them down a step. That would be slow, but probably
> >necessary. Maybe the undoc'd flood function could be used to replace
> >colors? Or does that only fill a group of pixels. Another idea is you
> >could do a copypixels of a one pixel rgb ( 240, 240, 240 ) image
> >stretched over your 32 bit image with the #darkest ink... then replace
> >pure rgb ( 240, 240, 240 ) pixels with rgb ( 255, 255, 255 ) and dither
> >down...Just ideas. I hope they help.
>
> Thanks, Robert. I can use all the ideas I can get my paws on. :)
>
> Take care,
> Cole
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