def test_init_from_array1(self): a = ones(3, 'd') * .8 m = agg.Rgba(a) desired = ones(4, 'd') * .8 desired[3] = 1.0 result = m.asarray() self.assertRavelEqual(result, desired)
def test_pre(self): first = agg.Rgba(1.0, 1.0, 1.0, 0.5) actual = first.premultiply().asarray() desired = array((.5, .5, .5, .5)) self.assertRavelEqual(actual, desired)
def test_gradient(self): first = agg.Rgba(0., 0., 0., 0.) second = agg.Rgba(1., 1., 1., 1.) actual = first.gradient(second, .5).asarray() desired = array((.5, .5, .5, .5)) self.assertRavelEqual(actual, desired)
def test_init_from_array4(self): a = ones((2, 3), 'd') try: m = agg.Rgba(a) except ValueError: pass # can't init from array that isn't 1d.
def test_init_from_array3(self): a = ones(5, 'd') try: m = agg.Rgba(a) except ValueError: pass # can't init from array that isn't 6 element.
def test_init1(self): m = agg.Rgba(.5, .5, .5) desired = array((.5, .5, .5, 1.0)) self.assertRavelEqual(m.asarray(), desired)
def test_init(self): m = agg.Rgba()
def test_init_from_array2(self): a = ones(4, "d") * 0.8 m = agg.Rgba(a) desired = ones(4, "d") * 0.8 result = m.asarray() self.assertRavelEqual(result, desired)