Cleaned & added savecaptcha.sh

captcha/savecaptcha.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# This script relies on ImageMagick.
+# It is NOT compliant with ImageMagick forks like GraphicsMagick.
+
+RAND_ANGLE=$1
+RAND_ITALIC=$2
+INPUT=$3
+SOLUTION=$4
+
+convert -size 300x60 xc:none -pointsize 20 \
+	\( -clone 0 -fill black \
+	-stroke black -strokewidth 1 \
+	-annotate "${RAND_ANGLE}x${RAND_ITALIC}+0+0" "\n $INPUT" \
+	-roll +$ROLL_X+0 \
+	-wave "$WAVE1_AMPLITUDE"x"$WAVE1_LENGTH" \
+	-roll -$ROLL_X+0 \) \
+	-flatten -crop 300x60 +repage -quality 500 -depth 11 png:"/var/tmp/captcha/${SOLUTION}_$(date "+%Y-%m-%d-%H%M%S").png"