[Magick-bugs] Quantizing an image with alpha introduces blackareas

[Peter Hull]

For what it's worth, it seems to work correctly on OS X (10.4 Intel) too.
Version: ImageMagick 6.3.4 04/23/07 Q16 http://www.imagemagick.org

Are you sure it's in the converting and not the displaying? I know
Windows support for png transparency has been a bit lacking in the
past.

Peter

On 8/3/07, Peter Pimley <Peter.Pimley at zoemode.com> wrote:
>
>
> > I ran this command on my ISP's shell machine and was unable
> > to reproduce the problem.
> >
> > Shell:
> > Linux xmission 2.6.19.2-grsec #1 SMP Sat May 12 15:40:51 MDT
> > 2007 i686 GNU/Linux
> >
> > Convert:
> > Version: ImageMagick 6.2.4 02/10/07 Q16 http://www.imagemagick.org
> > Copyright: Copyright (C) 1999-2005 ImageMagick Studio LLC
>
>
>
> Me too.  Yes, I should have mentioned that in my original post.  I tried
> on 6.2.4 (on Debian Etch on a noname PC) and you get no black bar.  You
> get no alpha channel either, unless I typed it in wrong.
>
> I'll also check with whatever version's on my home Debian Lenny machine
> over the weekend.
>
> What I get on my WinXP machine is opaque blue at the top, fading to
> black and transparent as you go down.  A third of the way down is some
> only-a-little-bit-transparent black.
>
> Peter
>
>
>
>
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