def test_lightness(self):
self.base_channel_test(
lambda im: ColorConversion.calculate_lightness(im), "Lightness",
[1, 1 / 2, 1 / 2, 1 / 2])
def test_saturation_hsl(self):
self.base_channel_test(
lambda im: ColorConversion.calculate_saturation_hsl(im),
"Saturation", [0, 1, 1, 1])
def test_intensity(self):
self.base_channel_test(
lambda im: ColorConversion.calculate_intensity(im), "Intensity",
[1, 1 / 3, 1 / 3, 1 / 3])
def test_value(self):
self.base_channel_test(lambda im: ColorConversion.calculate_value(im),
"Value", [1, 1, 1, 1])
def test_hue(self):
self.base_channel_test(lambda im: ColorConversion.calculate_hue(im),
"Hue", [0, 0, 1 / 3, 2 / 3])
def as_hsv(self):
return HSVImage(ColorConversion.rbg_to_hsv(self.im))