From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/6738 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Fwd: Re: colorizing Date: Thu, 31 Jan 2002 10:32:32 +0100 Sender: owner-ntg-context@let.uu.nl Message-ID: <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 1035397252 13290 80.91.224.250 (23 Oct 2002 18:20:52 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 23 Oct 2002 18:20:52 +0000 (UTC) Original-To: ntg-context@ntg.nl Xref: main.gmane.org gmane.comp.tex.context:6738 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:6738 > >On Mon, 28 Jan 2002 18:17:26 +0100 >Henning Hraban Ramm wrote: > > > e.g. I use a bitmap logo that should show exactly the same color as > defined > > for backgrounds. If I define the "same" color with PhotoShop it looks > > slightly different. Further I'd like to place it white on color. > >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? > > >On Tue, 29 Jan 2002 21:01:16 +0100 >Hans Hagen wrote: > > > At 06:17 PM 1/28/2002 +0100, Henning Hraban Ramm wrote: > > > >It should as easy as in other functions to assign foreground and > background > > >color, maybe even transparency? > > > > when i browsed the specs some time ago i got the impression that this is > > doable, but so far i didn't need it (although i will probably need it > > soon). Building ther sources is trivial (once i understand it) and we can > > probably hook things into the resource dict of graphics, but cooking up a > > proper interface will take me some time. We can look into the specs at the > > coming dante meeting to see what can be done. > >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. > >Best, > Jens ------------------------------------------------------------------------- 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 -------------------------------------------------------------------------