cutiepi-rotation-scripts/bin/cutiepi-screen-common

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#!/bin/bash
# Ensure that the display variable is set
export DISPLAY=:0
screen_rotation() {
cur_rotation=$(xrandr --query --verbose | grep DSI-1 | cut -d ' ' -f 5)
echo $cur_rotation
}
screen_set_horizontal() {
xrandr --output DSI-1 --rotate left
xinput set-prop 11 "Coordinate Transformation Matrix" 0 -1 1 1 0 0 0 0 1
}
screen_set_vertical() {
xrandr --output DSI-1 --rotate normal
xinput set-prop 11 "Coordinate Transformation Matrix" 1 0 0 0 1 0 0 0 1
}
screen_set_horizontal_inverted() {
xrandr --output DSI-1 --rotate right
xinput set-prop 11 "Coordinate Transformation Matrix" 0 1 0 -1 0 1 0 0 1
}
screen_set_vertical_inverted() {
xrandr --output DSI-1 --rotate inverted
xinput set-prop 11 "Coordinate Transformation Matrix" -1 0 1 0 -1 1 0 0 1
}