def test_multiply(self):
orig = array((1.0, 2.0, 3.0, 1.0, 4.0, 5.0))
desired = array([7., 4., 6., 7., 23., 18.])
m = agg.AffineMatrix(orig)
other = agg.AffineMatrix(orig)
m.multiply(other)
result = m.asarray()
assert (alltrue(result == desired))
def test_set_text_matrix_ndarray(self):
""" Test that gc.set_text_matrix accepts 3x3 ndarrays. """
gc = agg.GraphicsContextArray((5, 5))
m = array([[1.0, 2.0, 0.0], [3.0, 4.0, 0.0], [5.0, 6.0, 1.0]])
gc.set_text_matrix(m)
m2 = gc.get_text_matrix()
self.assertEqual(m2, agg.AffineMatrix(1.0, 2.0, 3.0, 4.0, 5.0, 6.0))
def test_init_from_array1(self):
a = ones(6, "D")
try:
agg.AffineMatrix(a)
except (NotImplementedError, TypeError):
# NotImplementedError in Swig 3, TypeError in Swig 4 (see swig #1261)
pass # can't init from complex value.
def test_invert(self):
orig = agg.AffineMatrix((1.0, 2.0, 3.0, 1.0, 4.0, 5.0))
orig.invert()
actual = orig.asarray()
desired = array([-0.2, 0.4, 0.6, -0.2, -2.2, -0.6])
assert (allclose(desired, actual))
def test_init(self):
m = agg.AffineMatrix()
def test_determinant(self):
orig = array((1.0, 2.0, 3.0, 1.0, 4.0, 5.0))
desired = -0.2
m = agg.AffineMatrix(orig)
result = m.determinant()
assert (alltrue(result == desired))
def _test_zero_arg_transform(self, method, orig, desired):
m = agg.AffineMatrix(orig)
method(m)
result = m.asarray()
assert (alltrue(result == desired))
def test_asarray(self):
m = agg.AffineMatrix()
result = m.asarray()
desired = array((1.0, 0.0, 0.0, 1.0, 0.0, 0.0))
assert (alltrue(result == desired))
def test_imul(self):
a = agg.AffineMatrix((2.0, 0, 0, 2.0, 0, 0))
a *= a
actual = a
desired = agg.AffineMatrix((4.0, 0, 0, 4.0, 0, 0))
assert (alltrue(desired == actual))
def test_init_from_array3(self):
a = ones((2, 3), 'd')
try:
m = agg.AffineMatrix(a)
except ValueError:
pass # can't init from array that isn't 1d.
def test_init_from_array2(self):
a = ones(7, 'd')
try:
m = agg.AffineMatrix(a)
except ValueError:
pass # can't init from array that isn't 6 element.
def test_init_from_array1(self):
a = ones(6, 'D')
try:
m = agg.AffineMatrix(a)
except NotImplementedError:
pass # can't init from complex value.
def test_init_from_array(self):
a = ones(6, 'd')
m = agg.AffineMatrix(a)
desired = ones(6, 'd')
result = m.asarray()
assert (alltrue(result == desired))
