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Re: Several suggestions for image support

From: David Kastrup
Subject: Re: Several suggestions for image support
Date: 16 Apr 2004 14:56:39 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Jason Rumney <address@hidden> writes:

> David Kastrup wrote:
> > Anyway: if :heuristic-mask is true, but the majority of corner pixels
> > is transparent, it would be nice if just transparency was used as the
> > mask criterion.
>  >
> > That way I get at least a heuristic mask if the image
> > creating process does not support transparency, but get the
> > transparence if it is available in the image.  It is not always easy
> > to know in advance.
> I see the problem. You don't want to have to know in advance whether
> the image has transparency or not.


> What about: if the image already has a mask (due to the fact it is a
> transparent image), any heuristic mask property should be
> ignored. Would that be better than relying on corner pixels being
> transparent?


David Kastrup, Kriemhildstr. 15, 44793 Bochum

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