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Re: Compositing and alpha


From: Alexander Malmberg
Subject: Re: Compositing and alpha
Date: Wed, 07 Aug 2002 20:00:43 +0200

> > I have a whole bunch of tests like this collected in DPSTest app,
> > similar to GSTest for gui:
> >
> > http://w1.423.telia.com/~u42308495/alex/DPSTest-0.5.tar.gz
> >
> > Basically, some tests set up state (the ones that activate), and some
> > actually draw (the draw buttons, or draw menu entry), and some do both.
> > Bundle contributions are welcome! :) (The image test isn't complete
> > yet.)
> 
> I know and use it already. I haven't found the compositing tests in there
> though. I'll have a closer look. 

The compositing bundle is fairly new. I update it with new stuff from
time to time.

> Unfortunately without font handling it is
> a bit tricky to use it with the gslib backend currently :-)

:)

[snip]
> With the gslib backend supporting both is no problem as gs is supposed to
> implement both ps and pdf imaging models.

Well, there's that tricky part too, but I was thinking about the
interface. NSRectFill existed in OS 4.2 (I think), and still exists, so
there's no way to know what the caller expects.

[snip]
> 
> Regards,
> BALATON Zoltan

- Alexander Malmberg



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