def test_Operators(self):
# generate some unique values
r1 = Gf.ColorRamp(Gf.RGB(1, 2, 3))
r2 = Gf.ColorRamp(Gf.RGB(1, 2, 4))
r3 = Gf.ColorRamp(Gf.RGB(3, 2, 1))
results = [r1, r2, r3]
# test operators
for i in range(len(results)):
# Test repr
self.assertTrue(eval(repr(results[i])) == results[i])
# Test equality
for j in range(len(results)):
if i == j:
self.assertTrue(results[i] == results[j])
else:
self.assertTrue(results[i] != results[j])
def test_Constructors(self):
results = []
results.append(Gf.ColorRamp())
results.append(Gf.ColorRamp(Gf.RGB()))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB()))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB()))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB(), 1))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB(), 1, 2))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB(), 1, 2, 3))
results.append(Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB(), 1, 2, 3, 4))
results.append(
Gf.ColorRamp(Gf.RGB(), Gf.RGB(), Gf.RGB(), 1, 2, 3, 4, 5))
for r in results:
self.assertIsInstance(r, Gf.ColorRamp)
def test_Properties(self):
r = Gf.ColorRamp()
testVal = 0.314159
for propName in 'midPos widthMin widthMax widthMidIn widthMidOut'.split(
):
self.assertNotEqual(getattr(r, propName), testVal)
setattr(r, propName, testVal)
self.assertEqual(getattr(r, propName), testVal)
def test_Eval(self):
'''Eval -- make sure ends and middle are exact, make sure betweens are
between them.'''
r = Gf.ColorRamp()
self.assertTrue(
r.Eval(0) == Gf.RGB(0, 0, 1) and r.Eval(0.5) == Gf.RGB(0, 1, 0)
and r.Eval(1) == Gf.RGB(1, 0, 0))
self.assertFalse(r.Eval(0.25).r != 0 or \
r.Eval(0.75).b != 0 or \
r.Eval(0.25).g <= 0 or \
r.Eval(0.25).g >= 1 or \
r.Eval(0.25).b <= 0 or \
r.Eval(0.25).b >= 1 or \
r.Eval(0.75).r <= 0 or \
r.Eval(0.75).r >= 1 or \
r.Eval(0.75).g <= 0 or \
r.Eval(0.75).g >= 1)
