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#!/bin/bash
#
# Based on script by z3bra -- 2014-01-21
W3MIMGDISPLAY="/usr/lib/w3m/w3mimgdisplay"
FONTH=16 # Size of one terminal row
FONTW=9 # Size of one terminal column
X=$1
Y=$2
COLUMNS=$3
LINES=$4
FILENAME=$5
read width height <<< `echo "5;$FILENAME" | $W3MIMGDISPLAY`
if [ -z "$width" -o -z "$height" ]; then
echo 'Error: Failed to obtain image size.'
exit 1
fi
x=$((FONTW * X))
y=$((FONTH * Y))
max_width=$((FONTW * COLUMNS))
max_height=$((FONTH * LINES))
if [ "$width" -gt "$max_width" ]; then
height=$((height * max_width / width))
width=$max_width
fi
if [ "$height" -gt "$max_height" ]; then
width=$((width * max_height / height))
height=$max_height
fi
w3m_command="0;1;$x;$y;$width;$height;;;;;$FILENAME\n4;\n3;"
echo -e "$w3m_command" | $W3MIMGDISPLAY
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