29 lines
865 B
Bash
29 lines
865 B
Bash
#!/bin/bash
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FILEPATH=`realpath "${1}"`
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DIR=`dirname "${FILEPATH}"`
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FILENAME=`basename "${FILEPATH}"`
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NAME=`echo "${FILENAME}" | cut -d'.' -f1`
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#EXTENSION=`echo "${FILENAME}" | cut -d'.' -f2`
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EXTENSION="png"
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CHANNELS=("c" "m" "y")
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convert "${FILENAME}" \
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-set colorspace CMYK \
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-channel CMY \
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-separate \
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"${DIR}/${NAME}_%d.${EXTENSION}"
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convert "${FILENAME}" \
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-color-threshold 'sRGB(0,0,0)-sRGB(20,20,20)' \
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"${DIR}/${NAME}_tmp.${EXTENSION}"
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convert "${DIR}/${NAME}_tmp.${EXTENSION}" -negate "${DIR}/${NAME}_k.${EXTENSION}"
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for ((i=0;i<${#CHANNELS[@]};++i)); do
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CHANNEL="${CHANNELS[i]}"
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mv "${DIR}/${NAME}_${i}.${EXTENSION}" "${DIR}/${NAME}_${CHANNEL}.${EXTENSION}"
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composite -compose screen "${DIR}/${NAME}_tmp.${EXTENSION}" "${DIR}/${NAME}_${CHANNEL}.${EXTENSION}" "${DIR}/${NAME}_${CHANNEL}.${EXTENSION}"
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done
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rm "${DIR}/${NAME}_tmp.${EXTENSION}" |