def set_current_lineweight(doc: "Drawing", lineweight: int):
"""Set current lineweight, see :ref:`lineweights` reference for valid
values.
"""
if not validator.is_valid_lineweight(lineweight):
raise const.DXFValueError(f'invalid lineweight value: "{lineweight}"')
doc.header[CURRENT_LINEWEIGHT] = lineweight
def test_is_valid_lineweight():
assert is_valid_lineweight(0) is True
assert is_valid_lineweight(50) is True
assert is_valid_lineweight(211) is True
assert is_valid_lineweight(-4) is False, 'is too small'
assert is_valid_lineweight(212) is False, 'is too big'
assert is_valid_lineweight(10) is False
def add(
self,
name: str,
*,
color: int = const.BYLAYER,
true_color: int = None,
linetype: str = "Continuous",
lineweight: int = const.LINEWEIGHT_BYLAYER,
plot: bool = True,
transparency: Optional[float] = None,
dxfattribs: Dict = None,
) -> "Layer":
"""Add a new :class:`~ezdxf.entities.Layer`.
Args:
name (str): layer name
color (int): :ref:`ACI` value, default is BYLAYER
true_color (int): true color value, use :func:`ezdxf.rgb2int` to
create ``int`` values from RGB values
linetype (str): line type name, default is "Continuous"
lineweight (int): line weight, default is BYLAYER
plot (bool): plot layer as bool, default is ``True``
transparency: transparency value in the range [0, 1], where 1 is
100% transparent and 0 is opaque
dxfattribs (dict): additional DXF attributes
.. versionadded:: 0.17
"""
dxfattribs = dict(dxfattribs or {})
if validator.is_valid_aci_color(color):
dxfattribs["color"] = color
else:
raise const.DXFValueError(f"invalid color: {color}")
dxfattribs["linetype"] = linetype
if validator.is_valid_lineweight(lineweight):
dxfattribs["lineweight"] = lineweight
else:
raise const.DXFValueError(f"invalid lineweight: {lineweight}")
if true_color is not None:
dxfattribs["true_color"] = int(true_color)
dxfattribs["plot"] = int(plot)
layer = cast("Layer", self.new(name, dxfattribs))
if transparency is not None:
layer.transparency = transparency
return layer
def is_valid_layer_lineweight(lw: int) -> bool:
if validator.is_valid_lineweight(lw):
if lw not in (LINEWEIGHT_BYLAYER, LINEWEIGHT_BYBLOCK):
return True
return False
def lineweight(self, value: int):
if validator.is_valid_lineweight(value):
self._lineweight = value
else:
raise const.DXFValueError(f"invalid lineweight value '{value}'")
