From 9df4458bd4ed85aa779f31621f14d0afce9ece5f Mon Sep 17 00:00:00 2001
From: Alan Orth <alan.orth@gmail.com>
Date: Thu, 17 Mar 2016 23:01:40 +0200
Subject: [PATCH] .zshrc: Add function for optimizing JPEGs

Signed-off-by: Alan Orth <alan.orth@gmail.com>
---
 .zshrc | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/.zshrc b/.zshrc
index a1b31a8..536ebc8 100644
--- a/.zshrc
+++ b/.zshrc
@@ -124,6 +124,17 @@ smartresize() {
     gm mogrify -filter Triangle -define filter:support=2 -thumbnail $2 -unsharp 0.25x0.08+8.3+0.045 -dither -quality 82 -define jpeg:fancy-upsampling=off -define png:compression-filter=5 -define png:compression-level=9 -define png:compression-strategy=1 -define png:exclude-chunk=all -interlace Line -strip -output-directory $3 $1
 }
 
+# optimize jpeg using GraphicsMagick
+#
+#   $ jpegoptimize DSC_0788.JPG outputdir [quality]
+#
+# Similar to smartresize above, but just optmizes the jpeg
+jpegoptimize() {
+    if [[ -z $3 ]]; then QUALITY=82; else QUALITY=$3; fi
+
+    gm mogrify -filter Triangle -define filter:support=2 -unsharp 0.25x0.08+8.3+0.045 -dither -quality $QUALITY -define jpeg:fancy-upsampling=off -interlace Line -strip -output-directory $2 $1
+}
+
 # generate random password 25 characters long:
 # 	$ openssl rand -base64 18 | wc -c
 #    	  25