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# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
"""Flashlight
~~~~~~~~~~~~~
Shows a pure white screen with the backlight set to maximum.
"""
import wasp
import icons
class TorchApp(object):
"""Trivial flashlight application.
.. figure:: res/TorchApp.png
:width: 179
Screenshot of the flashlight application
"""
NAME = 'Torch'
ICON = icons.torch
def foreground(self):
"""Activate the application."""
self.draw()
wasp.system.request_tick(1000)
self._brightness = wasp.system.brightness
wasp.system.brightness = 3
def background(self):
"""De-activate the application (without losing state)."""
wasp.system.brightness = self._brightness
def tick(self, ticks):
wasp.system.keep_awake()
def draw(self):
"""Redraw the display from scratch."""
wasp.watch.drawable.fill(0xffff)
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