From mboxrd@z Thu Jan  1 00:00:00 1970
From: Laura Lazzati <laura.lazzati.15@gmail.com>
Subject: Re: Inverting command line session colours
Date: Fri, 8 Feb 2019 19:53:50 -0300
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To: =?UTF-8?Q?G=C3=A1bor_Boskovits?= <boskovits@gmail.com>
Cc: Guix-devel <guix-devel@gnu.org>

Hi!
> convert xyz.ps -background white -flatten -negate xyz.png
I had already tried the -negate before but didn't work, I only got
full white pngs (the text turned white)
I am running  imagemagick    6.9.10-14 this is the rule:
-------------starts----------------
(VIDEO)/$(LOCALE_LANG)/out/$(SESSION)-%.png:
$(VIDEO)/$(LOCALE_LANG)/out/$(SESSION)-%.txt
    tail -n 20 $< | \
    paps --landscape --columns=80 --font "Monospace 20" | \
    convert -density 128 \
            -fill black \
            -background white \
            -flatten \
            -rotate 90 \
            -delete 0--2 - $@
-------ends-------------------