Initial import

3 files changed, 138 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..e4d123637ac8
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,15 @@
+pkgbase = latextogrob
+	pkgdesc = A simple script to convert a file with LaTeX formulae into a readable file with HP 50g
+	pkgver = 0.2
+	pkgrel = 1
+	url = https://bbs.archlinux.org/viewtopic.php?id=117953
+	arch = any
+	license = GPL
+	depends = mathtex
+	depends = imagemagick
+	depends = pgmtogrob
+	source = latextogrob
+	md5sums = 0c4f966caae11a58387b836814760070
+
+pkgname = latextogrob
+
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..9601c5207e5b
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,16 @@
+# Contributor: Adria Arrufat <swiftscythe@gmail.com>
+ pkgname=latextogrob
+ pkgver=0.2
+ pkgrel=1
+ pkgdesc="A simple script to convert a file with LaTeX formulae into a readable file with HP 50g"
+ arch=('any')
+ url=("https://bbs.archlinux.org/viewtopic.php?id=117953")
+ license=("GPL")
+ depends=('mathtex' 'imagemagick' 'pgmtogrob')
+ source=('latextogrob')
+ md5sums=('0c4f966caae11a58387b836814760070')
+
+ build() {
+   cd $srcdir/
+   install -D -m755 $pkgname $pkgdir/usr/bin/$pkgname || return 1
+   }
diff --git a/latextogrob b/latextogrob
new file mode 100755
index 000000000000..de98d1514d65
--- /dev/null
+++ b/latextogrob
@@ -0,0 +1,107 @@
+#!/bin/bash
+#
+# latextogrob: A simple script that converts a file with LaTeX fomulae into a grob image.
+#
+# Copyright (c) 2010-2011 Adria ARRUFAT <swiftscythe@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Library General Public License as published
+# by the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+usage () {
+	echo "$0 [input file]"
+	echo ""
+	echo " This is a simple script that converts a file with LaTeX fomulae into a grob image."
+	echo " The input file must contain one formula per line and end with an empty line."
+	echo ""
+	exit 1
+}
+
+[ "$1" = "" ]       && usage
+[ "$1" = "--help" ] && usage
+[ "$1" = "-h" ]     && usage
+
+# Customised mathTeX options for better results in HP 50g display
+linetogif()
+{
+  mathtex -m 0 "\tiny\dpi{140}\gammacorrection{3}\mathtt{$2}" -o $1
+}
+
+# Timer start
+START="$(date +%s)"
+
+# Parse the input file: 
+# change '\' -> '\\'  
+# change ' ' -> '\\;' 
+# etc
+# You can add or remove more rules: 
+sed -e "s/\\\/\\\\\\\/g" \
+  -e "s/ /\\\\\\\;/g" \
+  -e "s/·/\\\\\\\cdot{}/g" \
+  -e "s/(/\\\\\\\left(/g" \
+  -e "s/)/\\\\\\\right)/g" \
+  -e "s/\[/\\\\\\\left\[/g" \
+  -e "s/\]/\\\\\\\right\]/g" \
+  -e "s/à/\\\\\\\grave{a}/g" \
+  -e "s/è/\\\\\\\grave{e}/g" \
+  -e "s/ì/\\\\\\\grave{i}/g" \
+  -e "s/ò/\\\\\\\grave{o}/g" \
+  -e "s/á/\\\\\\\acute{a}/g" \
+  -e "s/é/\\\\\\\acute{e}/g" \
+  -e "s/í/\\\\\\\acute{i}/g" \
+  -e "s/ó/\\\\\\\acute{o}/g" \
+  -e "s/ú/\\\\\\\acute{u}/g" \
+  $1 > $1.tmp
+
+let "i = 1"
+TEN=10
+HUNDRED=100
+LINES=$(wc -l $1 | awk '{print $1}')
+NAME=$(echo $1 | sed -e "s/.tex//g")
+
+# Convert each line of the input file into a gif.
+cat $1.tmp | while read line;
+do
+  if [ $i -lt $TEN ]; then
+    linetogif $NAME-00$i $(echo $line)
+    convert -border 2 -bordercolor transparent $NAME-00$i.gif $NAME-00$i.gif
+  elif [ $i -lt $HUNDRED ]; then
+    linetogif $NAME-0$i $(echo $line)
+    convert -border 2 -bordercolor transparent $NAME-0$i.gif $NAME-0$i.gif
+  else
+    linetogif $NAME-$i $(echo $line)
+    convert -border 2 -bordercolor transparent $NAME-$i.gif $NAME-$i.gif
+  fi
+  echo -en "Progress $i/$LINES \r"
+  let "i += 1"
+done
+
+# Remove the temporary file
+rm $1.tmp
+
+# If a previous formula image file exists, remove it
+if [ -f $NAME.gif ]; then
+  rm $NAME.gif
+fi
+
+# Append all gif images beginning with the same name into a larger gif
+convert $NAME-*.gif -append $NAME.gif
+
+# Convert the resulting image into grb
+giftopnm $NAME.gif | ppmtopgm | pgmtogrob > $NAME.grb
+
+# Timer end
+END="$(date +%s)"
+ELAPSED="$(expr $END - $START)"
+
+echo -e "\nDone! All $LINES images correctly converted in $ELAPSED seconds!\a\v"