ntg-context - mailing list for ConTeXt users
 help / color / mirror / Atom feed
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 
-------------------------------------------------------------------------
                                  Hans Hagen | PRAGMA ADE | pragma@wxs.nl
                      Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: +31 (0)38 477 53 69 | fax: +31 (0)38 477 53 74 | www.pragma-ade.com
-------------------------------------------------------------------------


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3.0.6.32.20010110110018.008f38c0@server-1 \
    --to=pragma@wxs.nl \
    --cc=ntg-context@ntg.nl \
    --cc=thanh@informatics.muni.cz \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).