Adding hex color codes to Color

src/build123d/geometry.py

@@ -876,14 +876,26 @@ def __init__(self, red: float, green: float, blue: float, alpha: float = 1.0):
             alpha (float, optional): 0.0 <= alpha <= 1.0. Defaults to 0.0.
         """
 
+    @overload
+    def __init__(self, color_code: int):
+        """Color from a hexidecimal color code with an optional alpha value
+
+        Args:
+            color_code (hexidecial int): 0xRRGGBB or 0xRRGGBBAA
+        """
+
     def __init__(self, *args, **kwargs):
-        red, green, blue, alpha, name = 1.0, 1.0, 1.0, 1.0, None
+        red, green, blue, alpha, name, hex = 1.0, 1.0, 1.0, 1.0, None, None
         if len(args) >= 1:
             if isinstance(args[0], str):
                 name = args[0]
+            if isinstance(args[0], float):
+                red = args[0]
             else:
+                hex = args[0]
                 red = args[0]
         if len(args) >= 2:
+            hex = None
             if name:
                 alpha = args[1]
             else:
@@ -892,11 +904,27 @@ def __init__(self, *args, **kwargs):
             blue = args[2]
         if len(args) == 4:
             alpha = args[3]
+
+        hex = kwargs.get("color_code", hex)
         red = kwargs.get("red", red)
         green = kwargs.get("green", green)
         blue = kwargs.get("blue", blue)
         alpha = kwargs.get("alpha", alpha)
 
+        if hex is not None and isinstance(hex, int):
+            if hex > 256**3:
+                red, remainder = divmod(hex, 256**3)
+                green, remainder = divmod(remainder, 256**2)
+                blue, alpha = divmod(remainder, 256)
+            else:
+                red, remainder = divmod(hex, 256**2)
+                green, blue = divmod(remainder, 256)
+                alpha = 255
+            red = red / 255
+            green = green / 255
+            blue = blue / 255
+            alpha = alpha / 255
+
         if name:
             self.wrapped = Quantity_ColorRGBA()
             exists = Quantity_ColorRGBA.ColorFromName_s(args[0], self.wrapped)

tests/test_direct_api.py

@@ -699,6 +699,27 @@ def test_to_tuple(self):
         self.assertEqual(c.to_tuple()[2], 1.0)
         self.assertEqual(c.to_tuple()[3], 0.5)
 
+    def test_hex(self):
+        c = Color(0x996692)
+        self.assertAlmostEqual(c.to_tuple()[0], 153 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[1], 102 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[2], 146 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[3], 1.0, 5)
+
+        c = Color(color_code=0x996692CC)
+        self.assertAlmostEqual(c.to_tuple()[0], 153 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[1], 102 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[2], 146 / 255, 5)
+        self.assertAlmostEqual(c.to_tuple()[3], 204 / 255, 5)
+
+    def test_copy(self):
+        c = Color(0.1, 0.2, 0.3, alpha=0.4)
+        c_copy = copy.copy(c)
+        self.assertAlmostEqual(c_copy.to_tuple()[0], 0.1, 5)
+        self.assertAlmostEqual(c_copy.to_tuple()[1], 0.2, 5)
+        self.assertAlmostEqual(c_copy.to_tuple()[2], 0.3, 5)
+        self.assertAlmostEqual(c_copy.to_tuple()[3], 0.4, 5)
+
 
 class TestCompound(DirectApiTestCase):
     def test_make_text(self):