From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ted Zlatanov Newsgroups: gmane.emacs.devel Subject: Re: color-complement for defface Date: Thu, 10 Mar 2011 13:11:06 -0600 Organization: =?utf-8?B?0KLQtdC+0LTQvtGAINCX0LvQsNGC0LDQvdC+0LI=?= @ Cienfuegos Message-ID: <87pqpykcz9.fsf@lifelogs.com> References: <87oc6vm67v.fsf@stupidchicken.com> <87vd12z77n.fsf@stupidchicken.com> <87ipx289cu.fsf@nzebook.haselwarter.org> <871v3onlhy.fsf@keller.adm.naquadah.org> <87aaibisxh.fsf_-_@lifelogs.com> <87ipwmqyee.fsf@lifelogs.com> <877hctmb33.fsf@keller.adm.naquadah.org> <87tyfakd2m.fsf@lifelogs.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Trace: dough.gmane.org 1299784579 10997 80.91.229.12 (10 Mar 2011 19:16:19 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 10 Mar 2011 19:16:19 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Mar 10 20:16:14 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PxlLJ-0003qF-7V for ged-emacs-devel@m.gmane.org; Thu, 10 Mar 2011 20:16:13 +0100 Original-Received: from localhost ([127.0.0.1]:58077 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PxlLF-0007Ak-3s for ged-emacs-devel@m.gmane.org; Thu, 10 Mar 2011 14:16:09 -0500 Original-Received: from [140.186.70.92] (port=33075 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PxlKG-0006fB-T1 for emacs-devel@gnu.org; Thu, 10 Mar 2011 14:15:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PxlKF-0005QF-TB for emacs-devel@gnu.org; Thu, 10 Mar 2011 14:15:08 -0500 Original-Received: from lo.gmane.org ([80.91.229.12]:36669) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PxlKF-0005Pz-FY for emacs-devel@gnu.org; Thu, 10 Mar 2011 14:15:07 -0500 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PxlKC-0003Da-JB for emacs-devel@gnu.org; Thu, 10 Mar 2011 20:15:04 +0100 Original-Received: from 38.98.147.130 ([38.98.147.130]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 10 Mar 2011 20:15:04 +0100 Original-Received: from tzz by 38.98.147.130 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 10 Mar 2011 20:15:04 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 37 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 38.98.147.130 X-Face: bd.DQ~'29fIs`T_%O%C\g%6jW)yi[zuz6; d4V0`@y-~$#3P_Ng{@m+e4o<4P'#(_GJQ%TT= D}[Ep*b!\e,fBZ'j_+#"Ps?s2!4H2-Y"sx" User-Agent: Gnus/5.110014 (No Gnus v0.14) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:OH/I2G9RWIvp9HDV9t5XY+gDMpw= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 80.91.229.12 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:137052 Archived-At: --=-=-= Content-Type: text/plain (patches? we don't need no steenkin' patches!) --=-=-= Content-Type: text/x-diff Content-Disposition: inline; filename=doc-defface-color-complement.patch === modified file 'doc/lispref/display.texi' --- doc/lispref/display.texi 2011-01-31 23:54:50 +0000 +++ doc/lispref/display.texi 2011-03-10 19:03:48 +0000 @@ -2057,6 +2057,21 @@ black-and-white displays, certain shades of gray are implemented by stipple patterns. +You may want to set the foreground automatically in some cases using +the @code{color-complement} and @code{color-rgb-to-hex} functions from +the @code{color.el} library. Here's an example: + +@example +(defface myface + (let ((color "red")) + `((((class color) (background light)) + (:foreground ,color)) + (((class color) (background dark)) + (:foreground ,(apply 'color-rgb-to-hex (color-complement color)))) + (t nil))) + "My face.") +@end example + @item :background Background color, a string. The value can be a system-defined color name, or a hexadecimal color specification. @xref{Color Names}. --=-=-=--