#!/bin/bash
# script for adding standard modes to beamer for presenting on linux
# use xrandr to find out screen name of external output port
# xrandr is in x11-xserver-utils package on debian/ubuntu


DISPLAY=:0.0
SCREEN_NAME="DISP3 BG"

add_mode(){
        xrandr --newmode `cvt $1 $2 | grep Modeline | sed -e 's/^Modeline //' | sed -e 's/\"//g'`
        xrandr --addmode "$SCREEN_NAME" $1x$2_60.00
        xrandr --output "$SCREEN_NAME" --mode $1x$2_60.00
}

add_mode $1 $2