def setUp(self):
clipper.SCALING_FACTOR = 1
self.pc = clipper.Pyclipper()
self.add_default_paths(self.pc)
self.default_args = [
clipper.CT_INTERSECTION, clipper.PFT_EVENODD, clipper.PFT_EVENODD
]
def test_exact_results(self):
"""
Test whether coordinates passed into the library are returned
exactly, if they are not affected by the operation.
"""
pc = clipper.Pyclipper()
# Some large triangle.
paths = [[[0, 1], [0, 0], [15**15, 0]]]
pc.AddPaths(paths, clipper.PT_SUBJECT, True)
result = pc.Execute(clipper.PT_CLIP, clipper.PFT_EVENODD,
clipper.PFT_EVENODD)
self.assertEqual(result, paths)
def setUp(self):
clipper.SCALING_FACTOR = 2.
self.pc = clipper.Pyclipper()
def test_execute_empty(self):
pc = clipper.Pyclipper()
with self.assertRaises(clipper.ClipperException):
pc.Execute(clipper.CT_UNION, clipper.PFT_NONZERO,
clipper.PFT_NONZERO)
def test_clipper_properties(self):
pc = clipper.Pyclipper()
for prop_name in ('ReverseSolution', 'PreserveCollinear',
'StrictlySimple'):
self.check_property_assignment(pc, prop_name, [True, False])