From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/3766 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: transparent PNG on a coloured background Date: Wed, 10 Jan 2001 11:00:18 +0100 Sender: owner-ntg-context@let.uu.nl Message-ID: <3.0.6.32.20010110110018.008f38c0@server-1> References: <200101091516.QAA20924@anxur.fi.muni.cz> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: main.gmane.org 1035394484 19914 80.91.224.250 (23 Oct 2002 17:34:44 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 23 Oct 2002 17:34:44 +0000 (UTC) Cc: Han The Thanh , ntg-context@ntg.nl Original-To: Tobias Burnus In-Reply-To: <3A5B6869.7A7D2995@gmx.de> Xref: main.gmane.org gmane.comp.tex.context:3766 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:3766 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 -------------------------------------------------------------------------