From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/6787 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Fwd: Re: colorizing Date: Sun, 03 Feb 2002 19:23:50 +0100 Sender: owner-ntg-context@let.uu.nl Message-ID: <5.1.0.14.1.20020203192255.02c385b0@server-1> References: <5.1.0.14.1.20020131103220.038619d0@server-1> <5.1.0.14.1.20020131103220.038619d0@server-1> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Trace: main.gmane.org 1035397297 13761 80.91.224.250 (23 Oct 2002 18:21:37 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 23 Oct 2002 18:21:37 +0000 (UTC) Cc: ntg-context@ntg.nl Original-To: Henning Hraban Ramm In-Reply-To: <200202021849.g12In9c07984@nathir.fiee.lan> Xref: main.gmane.org gmane.comp.tex.context:6787 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:6787 At 07:49 PM 2/2/2002 +0100, Henning Hraban Ramm wrote: > > >I have tried this using a RGB-PNG-image above a Metapost-image > > >including only a rectangle filled with the background-color > > >of the PNG-image. I can see no difference between both backgrounds. > > >Is your image in cmyk or in rgb? > >RGB. But it may be a matter of color management, as Hans assumed. > > > >i think not all can be done on TeX-level. For example the alpha-channel > > >in png or tiff-images, it would be nice when pdftex could support this > > >directly. > >Try PDF! At least clipping paths are working. if you can find out the right snippets of pdf code needed .. or make stand alone pdf graphics illustrating the principle ... this is how i could figure out transparency: make a file in AI and look at the pdf code. 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 ------------------------------------------------------------------------- fall-back web server: www.pragma-pod.nl -------------------------------------------------------------------------