From: Tobias Burnus <burnus@gmx.de>
Cc: ntg-context@ntg.nl
Subject: Re: transparent PNG on a coloured background
Date: Tue, 09 Jan 2001 20:37:13 +0100 [thread overview]
Message-ID: <3A5B6869.7A7D2995@gmx.de> (raw)
In-Reply-To: <200101091516.QAA20924@anxur.fi.muni.cz>
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.
Who bothers with PDF 1.3, why don't you use PDF 1.4?
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.
See for reference:
http://partners.adobe.com/asn/developer/technotes.html#acrobat-pdf
http://www.ghostscript.com/doc/AFPL/6.50/Language.htm
With warm regards (and looking forward),
Tobias
--
This above all: To thine own self be true / And it must follow as
the night the day / Thou canst not then be false to any man.
next prev parent reply other threads:[~2001-01-09 19:37 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 [this message]
2001-01-10 10:00 ` Hans Hagen
-- 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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