External monitor mode switching for HiDPI chromebook

set_dual_monitor.sh

#!/usr/bin/bash

# Favor internal HiDPI
# 0: +*eDP-1 3200/293x1800/165+3840+600  eDP-1
# 1: +DP-2 3840/546x2400/352+0+0  DP-2
#xrandr \
#	--fb 7040x2400 \
#	--output eDP-1 --mode 3200x1800 --pos 3840x600 \
#	--output DP-2 --scale 2x2 --mode 1920x1200 --pos 0x0 

# Favor external 1080 for crisp bitmap fonts their
# 0: +*eDP-1 1600/293x900/165+1920+300  eDP-1
# 1: +DP-2 1920/546x1200/352+0+0  DP-2
xrandr \
	--fb 3520x1200 \
	--output eDP-1 --scale 0.5x0.5 --mode 3200x1800 --pos 1920x300 \
	--output DP-2 --scale 1x1 --mode 1920x1200 --pos 0x0 

set_internal_monitor.sh

#!/usr/bin/bash

# 0: +*eDP-1 3200/293x1800/165+0+0  eDP-1
xrandr \
	--fb 3200x1800 \
	--output eDP-1 --scale 1x1 --mode 3200x1800 --pos 0x0