from PyQt6 import QtGui
from piker.ui._style import DpiAwareFont

class MockScreen:
    def physicalDotsPerInch(self):
        return 169  # example HiDPI
    def logicalDotsPerInch(self):
        return 96
    def name(self):
        return "MockScreen"

# create font instance
font = DpiAwareFont()

# pass the mock screen to configure_to_dpi
font.configure_to_dpi(screen=MockScreen())

print("Computed pixel size:", font.px_size)