def testQColor(self):
""""Test getQColor function with accepted values"""
for name, test in self.TEST_COLORS.items():
color, expected = test
with self.subTest(msg=name):
result = colors.asQColor(color)
self.assertAlmostEqual(result.redF(), expected[0], places=4)
self.assertAlmostEqual(result.greenF(), expected[1], places=4)
self.assertAlmostEqual(result.blueF(), expected[2], places=4)
self.assertAlmostEqual(result.alphaF(), expected[3], places=4)
def getDefaultColor(self, item):
"""Returns the default ROI color to use according to the given item.
:param ~silx.gui.plot.items.item.Item item: AN item
:rtype: qt.QColor
"""
color = 'pink'
if isinstance(item, items.ColormapMixIn):
colormap = item.getColormap()
name = colormap.getName()
if name is not None:
color = colors.cursorColorForColormap(name)
color = colors.asQColor(color)
return color