On Sat, Dec 20, 2008 at 7:10 AM, Fred Weinhaus <[email protected]> wrote:
> You have a type pseudocolor image with transparency. This works for
> me to keep the png the same pseudocolor with transparency.
>
> convert powerlogo.gif PNG8:powerlogo.png
>
> or to convert to 32bit (RGBA)
>
> convert powerlogo.gif PNG32:powerlogo.png
>
>
> The default convert to png is equivalent to PNG24 (24-bit RGB no alpha)
>
>
> see http://www.imagemagick.org/Usage/formats/#png_formats
>
>

Thank you very much, it works for me.

I don't test the perl script. All other methods in the previous mail
did not work for me.

I am on windows platform, and the version of convert is:
Version: ImageMagick 6.4.7 2008-12-15 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC

Thanks again and regards,
Jinsong
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