Implement support to others color spec on deepcopy function.

Created unit test QColor reduce function.

Fixes bug #612.

Reviewer: Luciano Wolf <luciano.wolf@openbossa.org>
          Marcelo Lira <marcelo.lira@openbossa.org>

tests/QtGui/deepcopy_test.py

@@ -17,10 +17,35 @@ class DeepCopyHelper:
         self.assert_(copy is not self.original)
         self.assertEqual(copy, self.original)
 
+class DeepCopyColorHelperF:
+    def testCopy(self):
+        copy = deepcopy([self.original])[0]
+        self.assert_(copy is not self.original)
+        self.assertEqual(copy.spec(), self.original.spec())
+        # impossible to compare float point
+        # self.assertEqual(copy, self.original)
+
+
 class QColorDeepCopy(DeepCopyHelper, unittest.TestCase):
     def setUp(self):
         self.original = QColor("red")
 
+class QColorRGBDeepCopy(DeepCopyColorHelperF, unittest.TestCase):
+    def setUp(self):
+        self.original = QColor.fromRgbF(0.2, 0.3, 0.4, 0.5)
+
+class QColorHSLDeepCopy(DeepCopyColorHelperF, unittest.TestCase):
+    def setUp(self):
+        self.original = QColor.fromHslF(0.2, 0.3, 0.4, 0.5)
+
+class QColorHSVDeepCopy(DeepCopyColorHelperF, unittest.TestCase):
+    def setUp(self):
+        self.original = QColor.fromHsvF(0.2, 0.3, 0.4, 0.5)
+
+class QColorCMYKDeepCopy(DeepCopyColorHelperF, unittest.TestCase):
+    def setUp(self):
+        self.original = QColor.fromCmykF(0.2, 0.3, 0.4, 0.5, 0.6)
+
 class QTransformDeepCopy(DeepCopyHelper, unittest.TestCase):
     def setUp(self):
         self.original = QTransform(1, 2, 3, 4, 5, 6, 7, 8)