add resize image before compare. Qiu

bin/run_viff.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+run_diff() {
+  arr=($1 $2)
+  jpg_arr=()
+
+  for file in ${arr[@]}; do
+
+    name=`echo $file | cut -d '.' -f1`
+    convert "$name.png" -background white -alpha remove -resize 30% "$name.jpg"
+    jpg_arr=(${jpg_arr[@]} "$name.jpg")
+
+    if [ -f $file ]; then
+      rm $file
+    fi
+
+  done
+  output_name=`echo $3 | cut -d '.' -f1`
+  compare "${jpg_arr[0]}" "${jpg_arr[1]}" "$output_name.jpg"
+}
+
+if [ ! -z $1 ]; then
+  if [ ! -z $2 ]; then
+    if [ ! -z $3 ]; then
+      run_diff "$1" "$2" "$3"
+      exit 0
+    fi
+  fi
+fi
+echo "Invalid command"
+exit 1