#!/bin/bash

bild="$1"
ergebnis="$2"

convert -gravity South -pointsize 15\
  "$bild" -resize 512x512 -write mpr:orig \
      -background white -splice 0x18 \
      -draw "text 0,0 'Original'" \
  \( mpr:orig -channel red -separate \
      -background red -splice 0x18 \
      -draw "text 0,0 'Roter Kanal'" \) \
  +append \
      \( \
         \( mpr:orig -channel green -separate  \
              -background green -splice 0x18 \
              -draw "text 0,0 'Grüner Kanal'" \) \
         \( mpr:orig -channel blue  -separate  \
              -background blue -splice 0x18 \
              -draw "text 0,0 'Blauer Kanal'" \) \
         +append \) \
  -append \
"$ergebnis"

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