From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Dokos Subject: Re: [bug] latex fragment preview with dvipng ignores :foreground specification Date: Fri, 25 Jan 2013 19:32:48 -0500 Message-ID: <12554.1359160368@alphaville> References: <878v7g27f7.fsf@ucl.ac.uk> Reply-To: nicholas.dokos@hp.com Return-path: Received: from eggs.gnu.org ([208.118.235.92]:49262) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TythT-0004X4-Eq for emacs-orgmode@gnu.org; Fri, 25 Jan 2013 19:32:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TythS-0001Vz-Ed for emacs-orgmode@gnu.org; Fri, 25 Jan 2013 19:32:51 -0500 Received: from g4t0016.houston.hp.com ([15.201.24.19]:1504) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TythS-0001Vr-7W for emacs-orgmode@gnu.org; Fri, 25 Jan 2013 19:32:50 -0500 Received: from g4t0009.houston.hp.com (g4t0009.houston.hp.com [16.234.32.26]) by g4t0016.houston.hp.com (Postfix) with ESMTP id 030D01452F for ; Sat, 26 Jan 2013 00:32:48 +0000 (UTC) Received: from alphaville.americas.hpqcorp.net (alphaville.americas.hpqcorp.net [16.117.226.11]) by g4t0009.houston.hp.com (Postfix) with ESMTP id DC5FAC14B for ; Sat, 26 Jan 2013 00:32:48 +0000 (UTC) Received: from alphaville (localhost [127.0.0.1]) by alphaville.americas.hpqcorp.net (Postfix) with ESMTP id 5E94E47111 for ; Fri, 25 Jan 2013 19:32:48 -0500 (EST) In-Reply-To: Message from Eric S Fraga of "Sat, 26 Jan 2013 09:32:04 +1030." <878v7g27f7.fsf@ucl.ac.uk> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: emacs-orgmode@gnu.org Eric S Fraga wrote: > Hello, > > I am trying to use org-tree-slide for an interactive session I have to > facilitate soon. This works quite well, in a geeky kind of way ;-) > > However, I do want to display a couple of equations and using latex > fragments is the most appealing mechanism. When I try to use > org-preview-latex-fragment, the latex image is > generated. Unfortunately, as I use a black background on my display, I > cannot see the fragment as it is being generated with black text on a > transparent background by default. Note, I am using dvipng for the > image conversion. > I tried the imagemagick setting, set the options variable to black background and red foreground - lo and behold, that's what I get in the preview. Nick > I can customise org-format-latex-options to fix this, or so I > thought. No matter what I do, the resulting latex fragment has black > text. The problem appears to be that the -fg option to dvipng does not > work so it doesn't matter how I customise org-format-latex-options. > > Can anybody suggest a workaround (without changing the actual latex > itself)? I can customise the above variable to set the background for > latex images to white, which at least allows the equations to be seen, > but this is a mildly ugly solution. :( And ruins any geek street cred I > might have had ;-) > > Thanks, > eric > > -- > : Eric S Fraga, GnuPG: 0xC89193D8FFFCF67D > : in Emacs 24.3.50.1 and Org release_7.9.3d-874-gf11acc > >