From 6fbbd160b0d4baaabf61b0a479680bd87bc1a38e Mon Sep 17 00:00:00 2001
From: Severin Meyer <sev.ch@web.de>
Date: Tue, 11 Oct 2016 16:15:01 +0200
Subject: [PATCH] Add example script that optimizes the size of badge images

---
 xonstat/batch/badges/optimize.sh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100755 xonstat/batch/badges/optimize.sh

diff --git a/xonstat/batch/badges/optimize.sh b/xonstat/batch/badges/optimize.sh
new file mode 100755
index 0000000..7d268b9
--- /dev/null
+++ b/xonstat/batch/badges/optimize.sh
@@ -0,0 +1,16 @@
+#!/bin/sh -e
+# Optimize png files in output directory
+
+find output -name "*.png" | while read png; do
+	# Reduce colors to 8bit
+	# <http://pngquant.org>
+	pngquant --skip-if-larger --force --output "$png" 256 "$png"
+
+	# Adjust bit depth, remove clutter
+	# <http://optipng.sourceforge.net>
+	optipng -o 1 -strip all "$png"
+
+	# Compress with zopfli
+	# <http://www.advancemame.it>
+	#advpng -z -4 "$png"
+done
-- 
2.39.2