From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/1263 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: Inverting PDF figures Date: Tue, 16 Nov 1999 10:11:39 +0100 Sender: owner-ntg-context@let.uu.nl Message-ID: <3.0.6.32.19991116101139.007b48c0@pop.wxs.nl> References: <19991116144556.A28063@mars.rcode.com.au> NNTP-Posting-Host: coloc-standby.netfonds.no Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: main.gmane.org 1035392092 31192 80.91.224.250 (23 Oct 2002 16:54:52 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 23 Oct 2002 16:54:52 +0000 (UTC) Cc: ntg-context@ntg.nl Original-To: Tony Keating In-Reply-To: <19991116144556.A28063@mars.rcode.com.au> Xref: main.gmane.org gmane.comp.tex.context:1263 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:1263 At 02:45 PM 11/16/99 +1000, Tony Keating wrote: >I'm currently creating a presentation using Context and including some PDF >figures which we originally created for insertion in a paper document. >Everything works very well, except the figures have black text (for printing >on white paper). Is there any easy way for me to simply invert the colors of >the figure? (ie. At the moment the figures is black on transparent, I want >white on transparent) You really are stretching tex to the limits now -) The rather low level and cross you fingers approach is: \setupbackgrounds[page][background=screen,backgroundscreen=0] \starttext \dostartnegative \externalfigure[test.pdf][page=1,height=10cm] \dostopnegative \stoptext Alternatively, you can first negate the original. Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.nl -----------------------------------------------------------------