36 lines
969 B
Bash
Executable File
36 lines
969 B
Bash
Executable File
#!/bin/bash
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echo "Identified $1 with ${width} width and ${height} height."
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size=32
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convert -rotate 90 -resize 32x32 "$1" 64.png
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filename="64.png"
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width=$(identify 64.png | cut -d' ' -f 3 | cut -d 'x' -f 1)
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width=$(echo 10*${width}-8 | bc)
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height=$(identify 64.png | cut -d' ' -f 3 | cut -d 'x' -f 2)
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height=$(echo 10*${height}-8 | bc)
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curx=0
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cury=0
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chx=5
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chy=7
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while true; do
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let curx=curx+chx
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let cury=cury+chy
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if [[ ${curx} -gt ${width} || ${curx} -lt 0 ]]; then
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let chx=-1*chx
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let curx=curx+2*chx
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fi
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if [[ ${cury} -gt ${height} || ${cury} -lt 0 ]]; then
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let chy=-1*chy
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let cury=cury+2*chy
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fi
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echo "${curx} ${chx} ${cury} ${chy}"
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actx=$(echo ${curx}/10 | bc)
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acty=$(echo ${cury}/10 | bc)
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pixelstring=$(convert -crop 8x8+${actx}+${acty} "${filename}" rgb:- | xxd -ps | sed 's/\(......\)/#\1/g' | tr '[:lower:]' '[:upper:]' | tr -d '\n')
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mosquitto_pub -h raum.ctdo.de -t 'homie/pixelbox/pixel/pixels/set' -m "${pixelstring}"
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sleep 0.1
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done
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