def test_round_trip_maximum(self):
""" Test to assert stability of values through round-trips """
for value in range(65536):
with self.subTest(int=value):
result = channels_to_ints(
ints_to_channels(
[value],
maximum=65535,
),
maximum=65535,
)
self.assertEqual(result, (value, ))
def toolkit_color_to_rgba(color):
""" Convert a hex tuple to an RGBA tuple.
Parameters
----------
color : tuple
A tuple of integer values from 0 to 255 inclusive.
Returns
-------
rgba : tuple
A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
"""
return ints_to_channels(color)
def toolkit_color_to_rgba(wx_colour):
""" Convert a wx.Colour to an RGBA tuple.
Parameters
----------
wx_color : wx.Colour
A wx.Colour object.
Returns
-------
rgba : tuple
A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
"""
values = (
wx_colour.Red(),
wx_colour.Green(),
wx_colour.Blue(),
wx_colour.Alpha(),
)
return ints_to_channels(values)
def toolkit_color_to_rgba(qcolor):
""" Convert a QColor to an RGBA tuple.
Parameters
----------
qcolor : QColor
A QColor object.
Returns
-------
rgba_tuple : tuple
A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
"""
values = (
qcolor.red(),
qcolor.green(),
qcolor.blue(),
qcolor.alpha(),
)
return ints_to_channels(values)
def test_ints_to_channels_maximum(self):
values = (6, 6, 0, 15)
channels = ints_to_channels(values, maximum=15)
self.assertEqual(channels, (0.4, 0.4, 0.0, 1.0))
def test_ints_to_channels(self):
values = (102, 102, 0, 255)
channels = ints_to_channels(values)
self.assertEqual(channels, (0.4, 0.4, 0.0, 1.0))