# 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