Added cubeviz

1 files changed, 62 insertions, 0 deletions

diff --git a/cubeviz b/cubeviz
new file mode 100755
index 0000000..da453c2
--- /dev/null
+++ b/cubeviz
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+# Get images for a Rubik's cube state from http://cube.rider.biz/visualcube.php
+# Can be used with a local installation of visualcube.
+
+# Usage: cubeviz [type] [alg]
+# See usage() for details
+# Requires: curl, ImageMagick
+
+visualcube="http://cube.rider.biz/visualcube.php"
+
+usage() {
+        echo "Usage: cubeviz [type] [alg]"
+        echo "Types: trigger"
+        echo "Alg: use the standard notation"
+}
+
+trigger() {
+        alg="$(echo "$1" | tr "'" "3" | tr -d " ")"
+        w="wwwwwwwww"
+        y="yyyyyyyyy"
+        l="lllllllll"
+        d="ddddddddd"
+        t="ttttttttt"
+        ud="$visualcube?fmt=svg&fc=$y$l$l$y$l$l&size=200&view=plan"
+        top="$ud&alg=$alg"
+        bottom="$ud&alg=${alg}x2"
+        s="$visualcube?fmt=svg&fc=$y$t$t$y$t$t&size=200&r=y30x-30"
+        side="$s&co=30&alg=$alg"
+
+        d="pics_tmp"
+        f="trigger_$alg.png"
+
+        # We need some temporary files because visualcube is broken
+        # on Conrad's website and cannot output formats other than svg.
+        mkdir "$d"
+        curl "$top"    > $d/top.svg
+        curl "$bottom" > $d/bottom.svg
+        curl "$side"   > $d/side.svg
+
+        c="convert -density 400"
+        $c $d/top.svg $d/top.png
+        $c $d/bottom.svg $d/bottom.png
+        $c $d/side.svg $d/side.png
+
+        montage -tile 2x2 -mode concatenate \
+                $d/top.png $d/side.png $d/bottom.png $f
+
+        rm -r "$d"
+}
+
+[ -z "$2" ] && usage && exit 1
+
+case "$1" in
+        trigger)
+                trigger "$2"
+                ;;
+        *)
+                usage
+                exit 1
+                ;;
+esac