44 lines
707 B
Plaintext
44 lines
707 B
Plaintext
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#!/usr/bin/env zsh
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set -euo pipefail
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source ~/bin/script_framework.sh
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usage="$(basename $0) [-d DPI] [-f] [-h] [-l] <outfile.pdf> <...infile.jpg|png|...>"
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A4H=11.7 # inch
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A4W=8.3 # inch
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DPI=150
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h=${A4H}
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w=${A4W}
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scalearg=""
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while getopts "d:fhl" opt; do
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case "${opt}" in
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d) DPI=${OPTARG} ;;
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f) scalearg="^" ;;
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h) fatal "${usage}" ;;
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l)
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h=${A4W}
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w=${A4H}
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;;
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esac
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done
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shift $((OPTIND - 1))
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outfile=${1:-}
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[[ -n $outfile ]] || fatal "${usage}"
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shift
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exec convert "$@" \
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-compress jpeg \
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-resize $((w * DPI))x$((h * DPI))${scalearg} \
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-gravity center \
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-extent $((w * DPI))x$((h * DPI)) \
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-units PixelsPerInch \
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-density ${DPI} \
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"${outfile}"
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# vim: set ft=sh :
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