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50 lines
782 B
Plaintext
50 lines
782 B
Plaintext
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#!/bin/sh
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# Stolen from vifm/vifm#419
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if [ "$#" -ne 3 ]
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then
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echo "Usage: $0 filename width height"
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exit 1
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fi
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pw=$(($2*8))
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ph=$(($3*21))
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w=$(exiftool -m -p '$ImageWidth' "$1")
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h=$(exiftool -m -p '$ImageHeight' "$1")
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height=auto
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width=auto
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if [ $pw -lt $w ] && [ $ph -lt $h ]
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then
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newh=$(echo "($h*$pw)/$w" | bc)
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# neww=$(echo "($w*$ph)/$h" | bc)
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if [ $newh -le $ph ]; then
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width=$pw
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else
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height=$ph
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fi
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elif [ $pw -lt $w ]
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then
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width=$pw
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elif [ $ph -lt $h ]
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then
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height=$ph
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fi
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# debugging stuff
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# echo pw=$pw ph=$ph
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# echo w=$w h=$h
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# echo neww=$neww newh=$newh
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# exec echo width=$width height=$height
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# account for GNU screen
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if [ -n "$STY" ]
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then
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popt=-P
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fi
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exec img2sixel $popt --width=$width --height=$height "$1"
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