#!/bin/bash

set -e

color=$1
input=$2

outpdf="/tmp/latexpic.pdf"
outpng="/tmp/latexpic.png"

cat <<EOF | pdflatex --output-directory /tmp --jobname latexpic --
\documentclass[12pt,varwidth]{standalone}

\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}
\usepackage{xcolor}
\usepackage{pagecolor}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{graphicx}

\color{$1}

\begin{document}
$input
\end{document}
EOF

convert -density 600 "$outpdf" -quality 90 "$outpng"
xdg-open "$outpng"