[Magick-bugs] Quantizing an image with alpha introduces black areas

[Richard]

In article <2702169EA71F2E40B9AC7B83756FDB0F01DC36D2 at es1.kuju.com>,
    "Peter Pimley" <Peter.Pimley at zoemode.com>  writes:

> I've found a good way to reproduce this problem, and I think it's a
> severe enough artifact to be considered a bug:
> 
> convert -size 256x256 gradient:blue-none -colors 256 problem.png
> 
> On my machine (WinXP, IM 6.3.5 07/28/07 Q16, downloaded yesterday)  I
> get a one pixel high black horizontal bar about a quarter of the way
> down the image.

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


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