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# coding=utf-8
from inkex.colors import Color, ColorError, ColorIdError, is_color
from inkex.tester import TestCase
class ColorTest(TestCase):
"""Test for single transformations"""
def test_empty(self):
"""Empty color (black)"""
self.assertEqual(Color(), [])
self.assertEqual(Color().to_rgb(), [0, 0, 0])
self.assertEqual(Color().to_rgba(), [0, 0, 0, 1.0])
self.assertEqual(Color().to_hsl(), [0, 0, 0])
self.assertEqual(str(Color(None)), "none")
self.assertEqual(str(Color("none")), "none")
def test_errors(self):
"""Color parsing errors"""
self.assertRaises(ColorError, Color, {})
self.assertRaises(ColorError, Color, ["#id"])
self.assertRaises(ColorError, Color, "#badhex")
self.assertRaises(ColorIdError, Color, "url(#someid)")
self.assertRaises(ColorError, Color, [0, 0, 0, 0])
self.assertRaises(ColorError, Color(None, space="nop").to_rgb)
self.assertRaises(ColorError, Color(None, space="nop").to_hsl)
self.assertRaises(ColorError, Color([1], space="nop").__str__)
def test_namedcolor(self):
"""Named Color"""
self.assertEqual(Color("red"), [255, 0, 0])
self.assertEqual(str(Color("red")), "red")
color = Color("red")
color[0] = 41
self.assertEqual(str(color), "#290000")
color = Color("#ff0000").to_named()
self.assertEqual(str(color), "red")
def test_rgb_hex(self):
"""RGB Hex Color"""
color = Color("#ff0102")
self.assertEqual(color, [255, 1, 2])
self.assertEqual(str(color), "#ff0102")
self.assertEqual(color.red, 255)
self.assertEqual(color.green, 1)
self.assertEqual(color.blue, 2)
color = Color(" #ff0102")
self.assertEqual(color.to_hsl(), [254, 255, 128])
self.assertEqual(color.hue, 254)
self.assertEqual(color.saturation, 255)
self.assertEqual(color.lightness, 128)
self.assertEqual(color.alpha, 1.0)
def test_setter_rgb(self):
"""Color RGB units can be set"""
color = Color("red")
color.red = 127
self.assertEqual(color.red, 127)
color.green = 5
self.assertEqual(color.green, 5)
color.blue = 15
self.assertEqual(color.blue, 15)
color.blue = 5.1
self.assertEqual(color.blue, 5)
self.assertEqual(str(color), "#7f0505")
def test_setter_hsl(self):
"""Color HSL units can be set on RGB color"""
color = Color("#ff0102")
color.hue = 100
self.assertEqual(color.space, "rgb")
self.assertEqual(color.hue, 100)
color.saturation = 100
self.assertEqual(color.space, "rgb")
self.assertEqual(color.saturation, 99)
color.lightness = 100
self.assertEqual(color.space, "rgb")
self.assertEqual(color.lightness, 99) # No sure, bad conversion?
def test_setter_alpha(self):
"""Color conversion from rgb to rgba"""
color = Color("#ff0102")
self.assertEqual(color.space, "rgb")
self.assertEqual(color.alpha, 1.0)
color.alpha = 0.5
self.assertEqual(color.space, "rgba")
self.assertEqual(color.alpha, 0.5)
def test_rgb_to_hsl(self):
"""RGB to HSL Color"""
self.assertEqual(Color("#ff7c7d").to_hsl(), [254, 255, 189])
self.assertEqual(Color("#7e7c7d").to_hsl(), [233, 2, 125])
self.assertEqual(Color("#7e7cff").to_hsl(), [170, 255, 189])
self.assertEqual(Color("#7eff7d").to_hsl(), [84, 255, 190])
def test_rgb_short_hex(self):
"""RGB Short Hex Color"""
self.assertEqual(Color("#fff"), [255, 255, 255])
self.assertEqual(str(Color("#fff")), "#ffffff")
def test_rgb_int(self):
"""RGB Integer Color"""
self.assertEqual(Color("rgb(255,255,255)"), [255, 255, 255])
def test_rgb_percent(self):
"""RGB Percent Color"""
self.assertEqual(Color("rgb(100%,100%,100%)"), [255, 255, 255])
self.assertEqual(Color("rgb(50%,0%,1%)"), [127, 0, 2])
self.assertEqual(Color("rgb(66.667%,0%,6.667%)"), [170, 0, 17])
def test_rgba_one(self):
"""Test for https://gitlab.com/inkscape/extensions/-/issues/402"""
self.assertEqual(Color("rgb(1, 100%,1.0)"), [1, 255, 255])
self.assertEqual(Color("rgba(1, 100%,1.0, 100%)"), [1, 255, 255, 1])
self.assertEqual(Color("rgba(1, 100%, 1.0, 1.0)"), [1, 255, 255, 1])
self.assertEqual(Color("rgba(1, 100%, 1.0, 1)"), [1, 255, 255, 1])
self.assertEqual(Color("rgba(1, 0, 0, 1)"), [1, 0, 0, 1])
self.assertEqual(Color([1, 1.0, 1.0, 1], "rgba"), [1, 255, 255, 1])
def test_rgba_color(self):
"""Parse RGBA colours"""
self.assertEqual(Color("rgba(45,50,55,1.0)"), [45, 50, 55, 1.0])
self.assertEqual(Color("rgba(45,50,55,1.5)"), [45, 50, 55, 1.0])
self.assertEqual(Color("rgba(66.667%,0%,6.667%,0.5)"), [170, 0, 17, 0.5])
color = Color("rgba(255,127,255,0.5)")
self.assertEqual(str(color), "rgba(255, 127, 255, 0.5)")
self.assertEqual(str(color.to_rgb()), "#ff7fff")
self.assertEqual(color.to_rgb().to_rgba(0.75), [255, 127, 255, 0.75])
color[3] = 1.0
self.assertEqual(str(color), "rgb(255, 127, 255)")
def test_hsl_color(self):
"""Parse HSL colors"""
color = Color("hsl(4.0, 128, 99)")
self.assertEqual(color, [4, 128, 99])
self.assertEqual(str(color), "hsl(4, 128, 99)")
self.assertEqual(color.hue, 4)
self.assertEqual(color.saturation, 128)
self.assertEqual(color.lightness, 99)
def test_hsl_to_rgb(self):
"""Convert HSL to RGB"""
color = Color("hsl(172, 131, 128)")
self.assertEqual(color.to_rgb(), [68, 62, 193])
self.assertEqual(str(color.to_rgb()), "#443ec1")
self.assertEqual(color.red, 68)
self.assertEqual(color.green, 62)
self.assertEqual(color.blue, 193)
color = Color("hsl(172, 131, 10)")
self.assertEqual(color.to_rgb(), [5, 4, 15])
color = Color("hsl(0, 131, 10)")
self.assertEqual(color.to_rgb(), [15, 4, 4])
self.assertEqual(color.to_rgba(), [15, 4, 4, 1.0])
def test_hsl_grey(self):
"""Parse HSL Grey"""
color = Color("hsl(172, 0, 128)")
self.assertEqual(color.to_rgb(), [128, 128, 128])
color = Color("rgb(128, 128, 128)")
self.assertEqual(color.to_hsl(), [0, 0, 128])
def test_is_color(self):
"""Can detect colour format"""
self.assertFalse(is_color("rgb[t, b, s]"))
self.assertTrue(is_color("#fff"))
self.assertTrue(is_color(1364325887))
def test_int_color(self):
"""Colours from arg parser"""
color = Color(1364325887)
self.assertEqual(str(color), "#5151f5")
color = Color("1364325887")
self.assertEqual(str(color), "#5151f5")
color = Color(0xFFFFFFFF)
self.assertEqual(str(color), "#ffffff")
color = Color(0xFFFFFF00)
self.assertEqual(str(color), "rgba(255, 255, 255, 0)")
self.assertEqual(int(Color("#808080")), 0x808080FF)
self.assertEqual(int(Color("rgba(128, 128, 128, 0.2)")), 2155905075)
def test_interpolate(self):
black = Color("#000000")
grey50 = Color("#080808")
white = Color("#111111")
val = black.interpolate(white, 0.5)
assert val == grey50
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