#export QT_QPA_EGLFS_PHYSICAL_WIDTH=85
#export QT_QPA_EGLFS_PHYSICAL_HEIGHT=50
# set a rotate value appropriate with the one used in the overlay 
#export QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=/dev/input/touchscreen0:rotate=90

# for the pitft28r 320x240 touchscreen
#export QT_QPA_EGLFS_WIDTH=320
#export QT_QPA_EGLFS_HEIGHT=240
#export QT_QPA_EGLFS_PHYSICAL_WIDTH=78
#export QT_QPA_EGLFS_PHYSICAL_HEIGHT=50
# set a rotate value appropriate with the one used in the overlay 
#export QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=/dev/input/touchscreen0:rotate=90
