From aaea4c0353e2a406a98d6f92bce8fabce2c49d80 Mon Sep 17 00:00:00 2001
From: starcalc <starcalc@ctdo.de>
Date: Tue, 2 Jul 2019 20:28:38 +0200
Subject: [PATCH] Tool: showgfx.h, viel hardcoded und ruckelt

---
 tools/showgfx.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100755 tools/showgfx.sh

diff --git a/tools/showgfx.sh b/tools/showgfx.sh
new file mode 100755
index 0000000..d982770
--- /dev/null
+++ b/tools/showgfx.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+echo "Identified $1 with ${width} width and ${height} height."
+size=32
+convert -rotate 90 -resize 32x32 "$1" 64.png
+filename="64.png"
+width=$(identify 64.png | cut -d' ' -f 3 | cut -d 'x' -f 1)
+width=$(echo 10*${width}-8 | bc)
+height=$(identify 64.png | cut -d' ' -f 3 | cut -d 'x' -f 2)
+height=$(echo 10*${height}-8 | bc)
+curx=0
+cury=0
+chx=5
+chy=7
+
+while true; do
+	let curx=curx+chx
+	let cury=cury+chy
+	if [[ ${curx} -gt ${width} || ${curx} -lt 0 ]]; then
+		let chx=-1*chx
+		let curx=curx+2*chx
+	fi
+	if [[ ${cury} -gt ${height} || ${cury} -lt 0 ]]; then
+    let chy=-1*chy
+    let cury=cury+2*chy
+  fi
+	echo "${curx} ${chx} ${cury} ${chy}"
+	actx=$(echo ${curx}/10 | bc)
+	acty=$(echo ${cury}/10 | bc)
+	pixelstring=$(convert -crop 8x8+${actx}+${acty} "${filename}" rgb:- | xxd -ps | sed 's/\(......\)/#\1/g' | tr '[:lower:]' '[:upper:]' | tr -d '\n')
+	mosquitto_pub -h raum.ctdo.de -t 'homie/pixelbox/pixel/pixels/set' -m "${pixelstring}"
+	sleep 0.1
+done
+
+
+