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 rgba_to_toolkit_color(rgba):
""" Convert an RGBA tuple to a hex 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 channels_to_ints(rgba)
def rgba_to_toolkit_color(rgba):
""" Convert an RGBA tuple to a wx.Colour.
Parameters
----------
rgba : tuple
A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
Returns
-------
wx_color : wx.Colour
A wx.Colour object.
"""
values = channels_to_ints(rgba)
return wx.Colour(*values)
def rgba_to_toolkit_color(rgba):
""" Convert an RGBA tuple to a QColor.
Parameters
----------
rgba_tuple : tuple
A tuple of 4 floating point values between 0.0 and 1.0 inclusive.
Returns
-------
qcolor : QColor
A QColor object.
"""
values = channels_to_ints(rgba)
return QColor(*values)
def test_channels_to_ints_maximum(self):
channels = (0.4, 0.4, 0.0, 1.0)
values = channels_to_ints(channels, maximum=15)
self.assertEqual(values, (6, 6, 0, 15))
def test_channels_to_ints(self):
channels = (0.4, 0.4, 0.0, 1.0)
values = channels_to_ints(channels)
self.assertEqual(values, (102, 102, 0, 255))