1 files changed, 52 insertions, 0 deletions
diff --git a/xbr.sh b/xbr.sh
new file mode 100755
index 000000000000..6a4045874401
--- /dev/null
+++ b/xbr.sh
@@ -0,0 +1,52 @@
+#!/bin/bash
+usage() {
+        echo "Usage: xbr [-s scaleBy] input output"
+        exit 1
+}
+
+scale=4
+
+while getopts ":s:" option; do
+        case $option in
+                s)
+                        if [ "$scale" -ne 2 ] && [ "$scale" -ne 3 ] && [ "$scale" -ne 4 ]; then
+                                echo "Only scale factors of 2, 3 and 4 are supported"
+                        fi
+                        scale="$OPTARG"
+                ;;
+                \?)
+                        echo "Invalid option: -$OPTARG" >&2
+                ;;
+                :)
+                        echo "xbr: option requires an argument -- '$OPTARG'"
+                        usage
+                ;;
+        esac
+done
+shift $((OPTIND-1))
+
+inputfile="$1"
+outputfile="$2"
+
+if [ -z "$inputfile" ] || [ -z "$outputfile" ]; then
+        usage
+fi
+
+filetype="$(identify -format "%m" "$inputfile" 2>&1)"
+input_exists="$?"
+
+if ! [ -s "$inputfile" ] || [ $input_exists -ne 0 ]; then
+        echo "ERROR: can't load '$inputfile'"
+        exit 1
+fi
+
+if ! [ "$filetype" = "PNG" ]; then
+        convert "$inputfile" "._temp_png.png"
+        inputfile="._temp_png.png"
+fi
+
+pixelscale "$inputfile" "$outputfile" "xbr${scale}x"
+
+if [ -e "._temp_png.png" ]; then
+        rm "._temp_png.png"
+fi