bin/imgt

#!/bin/bash
#
# z3bra -- 2014-01-21

test -z "$1" && exit

W3MIMGDISPLAY="/usr/lib/w3m/w3mimgdisplay"
FILENAME=$1
FONTH=14 # Size of one terminal row
FONTW=8  # Size of one terminal column
BORDER=20
COLUMNS=`tput cols`
LINES=`tput lines`

read width height <<< `echo -e "5;$FILENAME" | $W3MIMGDISPLAY`

offx=$(($BORDER / $FONTH))
offy=$(($BORDER / $FONTW))
max_width=$(($FONTW * $COLUMNS))
max_height=$(($FONTH * $LINES))

if test $width -gt $max_width; then
    height=$(($height * $max_width / $width))
    width=$max_width
fi
if test $height -gt $max_height; then
    width=$(($width * $max_height / $height))
    height=$max_height
fi

w3m_command="0;1;$offx;$offy;$width;$height;;;;;$FILENAME\n4;\n3;"

clear
tput cup $(($height/$FONTH)) 0
echo -e $w3m_command|$W3MIMGDISPLAY

read -n1 -s
clear