def test_from_circle(radius):
circle = factory.new('CIRCLE', dxfattribs={
'center': (1, 0, 0),
'radius': radius,
})
path = make_path(circle)
assert path.start == (2, 0)
assert path.end == (2, 0)
assert path.is_closed is True
def test_polyine_with_bulges():
from ezdxf.entities import Polyline
pline = Polyline()
pline.close(True)
pline.append_formatted_vertices(POINTS, format='xyb')
path = make_path(pline)
assert path.start == (0, 0)
assert path.end == (0, 0) # closed
assert any(cmd.type == Command.CURVE4_TO for cmd in path)
def test_from_quadrilateral_with_3_points(dxftype):
entity = factory.new(dxftype)
entity.dxf.vtx0 = (0, 0, 0)
entity.dxf.vtx1 = (1, 0, 0)
entity.dxf.vtx2 = (1, 1, 0)
entity.dxf.vtx3 = (1, 1, 0) # last two points are equal
path = make_path(entity)
assert path.is_closed is True
assert len(list(path.approximate())) == 4
def test_from_arc():
arc = factory.new('ARC', dxfattribs={
'center': (1, 0, 0),
'radius': 1,
'start_angle': 0,
'end_angle': 180,
})
path = make_path(arc)
assert path.start == (2, 0)
assert path.end == (0, 0)
def test_from_ellipse():
ellipse = factory.new('ELLIPSE', dxfattribs={
'center': (3, 0),
'major_axis': (1, 0),
'ratio': 0.5,
'start_param': 0,
'end_param': math.pi
})
path = make_path(ellipse)
assert path.start == (4, 0)
assert path.end == (2, 0)
def test_from_spline():
spline = factory.new('SPLINE')
spline.fit_points = [(2, 0), (4, 1), (6, -1), (8, 0)]
path = make_path(spline)
assert path.start == (2, 0)
assert path.end == (8, 0)
