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From: Henning Hraban Ramm <angerweit@gmx.net>
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Subject: Re: Fwd: Re: colorizing
Date: Sat, 2 Feb 2002 19:49:09 +0100
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> >I have tried this using a RGB-PNG-image above a Metapost-image
> >including only a rectangle filled with the background-color
> >of the PNG-image. I can see no difference between both backgrounds.
> >Is your image in cmyk or in rgb?

RGB. But it may be a matter of color management, as Hans assumed.

> >i think not all can be done on TeX-level. For example the alpha-channel
> >in png or tiff-images, it would be nice when pdftex could support this
> >directly.

Try PDF! At least clipping paths are working.

Grüßlis vom Hraban!