mirror of
https://github.com/Phantop/dotfiles
synced 2024-11-16 20:02:47 +00:00
30 lines
989 B
Bash
Executable file
30 lines
989 B
Bash
Executable file
#!/usr/bin/env sh
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#shellcheck disable=SC2034
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set -e # exit on failure
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IFS=$(printf '\n\t') # smarter ifs
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test "$RATIOW" || RATIOW=16
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test "$RATIOH" || RATIOH=9
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imageh=$(identify -format %h "$1")
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imagew=$(identify -format %w "$1")
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des_ratio=$(printf '3 k %u %u / p' "$RATIOW" "$RATIOH" | dc)
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img_ratio=$(printf '3 k %u %u / p' "$imagew" "$imageh" | dc)
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wide="$(echo "$img_ratio > $des_ratio" | bc )"
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if [ "$wide" -gt 0 ] ; then
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mv "$1" ".$1_padjpegtmp.jpg"
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jpegtran -rotate 90 -outfile "$1" ".$1_padjpegtmp.jpg"
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imageh=$(identify -format %h "$1")
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imagew=$(identify -format %w "$1")
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des_ratio=$(printf '3 k %u %u / p' "$RATIOH" "$RATIOW" | dc)
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fi
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des_width=$(printf '1 k %f %u * p' "$des_ratio" "$imageh" | dc | cut -d. -f1)
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offset=$(printf '%u %u - 2 / p' "$des_width" "$imagew" | dc)
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jpegtran -crop "$des_width"f+"$offset" -outfile "tran_$1" "$1"
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if [ "$wide" -gt 0 ] ; then
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mv ".$1_padjpegtmp.jpg" "$1"
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jpegtran -rotate 270 -outfile "tran_$1" "tran_$1"
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fi
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