From: Hans Hagen <pragma@wxs.nl>
Cc: Han The Thanh <thanh@informatics.muni.cz>, ntg-context@ntg.nl
Subject: Re: transparent PNG on a coloured background
Date: Wed, 10 Jan 2001 11:00:18 +0100 [thread overview]
Message-ID: <3.0.6.32.20010110110018.008f38c0@server-1> (raw)
In-Reply-To: <3A5B6869.7A7D2995@gmx.de>
At 08:37 PM 1/9/01 +0100, Tobias Burnus wrote:
>Hi Han The Thanh,
>
>> transparency in pdf is not support in the current version of pdf yet (1.3,
>> acrobat 4.x), so the alpha channel of png figures will be ignored.
Do you mean, in the png inclusion? Does the png library support it?
>Who bothers with PDF 1.3, why don't you use PDF 1.4?
Who knows what that is? Does adobe keep us informed then?
>As far as I know only Adobe Illustrator writes it so far, but since TeX
>is always on the leading edge.
>
>If you are concerned that one cannot view it -- have a look at
>Ghostscript 6.50.
What happens in 1.3 viewers if it it used?
Hans
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next prev parent reply other threads:[~2001-01-10 10:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-09 14:33 siep.kroonenberg
2001-01-09 15:16 ` Han The Thanh
2001-01-09 19:37 ` Tobias Burnus
2001-01-10 10:00 ` Hans Hagen [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-01-06 21:25 Background on the "page" of the first page Hans Hagen
2001-01-08 20:01 ` transparent PNG on a coloured background Tobias Burnus
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