script: dspImg: display image in terminal

scripts/dspImg

@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# z3bra -- 2014-01-21
+
+test -z "$1" && exit
+
+W3MIMGDISPLAY="/usr/lib/w3m/w3mimgdisplay"
+FILENAME=$1
+FONTH=14 # Size of one terminal row
+FONTW=8  # Size of one terminal column
+COLUMNS=`tput cols`
+LINES=`tput lines`
+
+read width height <<< `echo -e "5;$FILENAME" | $W3MIMGDISPLAY`
+
+max_width=$(($FONTW * $COLUMNS))
+max_height=$(($FONTH * $(($LINES - 2)))) # substract one line for prompt
+
+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;0;0;$width;$height;;;;;$FILENAME\n4;\n3;"
+
+tput cup $(($height/$FONTH)) 0
+echo -e $w3m_command|$W3MIMGDISPLAY