def test_has_outside_text_and_arrows(doc: Drawing, angle):
"""The space between extension lines is too narrow to place text and arrows."""
for dim in measure_fixed_angle(doc.modelspace(), angle=angle):
render_obj = dim.render()
assert isinstance(render_obj, _CurvedDimensionLine)
assert render_obj.arrows_outside is True
assert render_obj.measurement.text_is_outside is True
assert render_obj.measurement.is_wide_text is True
def add_graphic_entity_to_root_dict(doc: Drawing):
msp = doc.modelspace()
line = msp.add_line((0, 0), (1, 0))
# Question: is it possible to store graphical entities which reside in a
# layout in the root dictionary (Autodesk term: the named dictionary)
# doc.rootdict["LINE"] = line # this does not work for v0.17 as consequence!
# HACK HACK HACK!!! - DO NOT USE HANDLES IN PRODUCTION CODE!
doc.rootdict["LINE"] = line.dxf.handle
def _get_text_visible_when(doc: Drawing, active_layers: Set[str]) -> List[str]:
ctx = RenderContext(doc)
# set given layer to ON, others to OFF
ctx.set_layers_state(active_layers, state=True)
backend = BasicBackend()
Frontend(ctx, backend).draw_layout(doc.modelspace())
visible_text = [x[1] for x in backend.collector if x[0] == 'text']
return visible_text
def test_has_outside_text_and_arrows_but_not_a_wide_text(doc: Drawing):
"""The space between extension lines is too narrow to place text and arrows,
but the text alone has enough space.
"""
for dim in measure_fixed_angle(doc.modelspace(), angle=9):
render_obj = dim.render()
assert isinstance(render_obj, _CurvedDimensionLine)
assert render_obj.arrows_outside is True
assert render_obj.measurement.text_is_outside is True
assert render_obj.measurement.is_wide_text is False
def test_text_and_arrows_fit_between_extension_lines(doc: Drawing):
"""There is enough space between extension lines is to place text and
arrows.
"""
for dim in measure_fixed_angle(doc.modelspace(), angle=20):
render_obj = dim.render()
assert isinstance(render_obj, _CurvedDimensionLine)
assert render_obj.arrows_outside is False
assert render_obj.measurement.is_wide_text is False
assert render_obj.measurement.text_is_outside is False
def test_fixed_length_extension_lines(doc: Drawing):
msp = doc.modelspace()
dim = msp.add_angular_dim_cra(
center=(0, 0),
radius=5,
distance=2,
start_angle=0,
end_angle=90,
override={
"dimfxlon": 1, # use fixed length extension lines
"dimexe": 0.7, # length "above" the dimension line
"dimfxl": 0.5, # length "below" the dimension line
},
).render()
# only the extension lines are LINE entities:
for line in dim.dimension.get_geometry_block().query("LINE"):
length = line.dxf.start.distance(line.dxf.end)
assert length == pytest.approx(0.5 + 0.7)
def test_dimension_line_divided_by_measurement_text(doc: Drawing, s, e):
"""Vertical centered measurement text should hide the part of the
dimension line beneath the text. This creates two arcs instead of one.
"""
msp = doc.modelspace()
dim = msp.add_angular_dim_cra(
center=Vec2(),
radius=5,
start_angle=s,
end_angle=e,
distance=2,
override={"dimtad": 0}, # vertical centered text
)
dim.render()
arcs = dim.dimension.get_geometry_block().query("ARC")
assert len(arcs) == 2
assert sum(
arc_angle_span_deg(arc.dxf.start_angle, arc.dxf.end_angle)
for arc in arcs) < arc_angle_span_deg(
s, e), "sum of visual arcs should be smaller than the full arc"
