Script to convert a pdf to png

generate-gitdag.sh

#!/bin/bash -e

Root=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )

if [[ $1 == "" ]] ; then
	echo "usage: generate-gitdag.sh input.tex [density (default 300)]"
	exit;
fi

Density=300

if [[ $2 != "" ]] ; then
	echo "Using density of $2"
	Density=$2
fi

function cleanup() {
	rm -rf $TempFolder
}

trap cleanup SIGTERM SIGINT

# TempFolder="Temp-$RANDOM"

TempFolder="Temp"

mkdir -p $TempFolder

BaseFileName=$TempFolder/$(basename $1 .tex)
Final=$(basename $1 .tex).png

# Other method, still a bug in imagemagick. Increase density greatly and
# resize to reduce artifacts

# max_print_line=200 latex -interaction batchmode -output-directory $TempFolder $1
# dvisvgm $BaseFileName.dvi --color --output=$BaseFileName.svg

max_print_line=200 pdflatex -interaction batchmode -output-directory $TempFolder $1
convert -density $Density -strip $BaseFileName.pdf $Final

cleanup