def transform(self, m: Matrix44) -> 'Arc':
""" Transform ARC entity by transformation matrix `m` inplace.
Raises ``NonUniformScalingError()`` for non uniform scaling.
.. versionadded:: 0.13
"""
ocs = OCSTransform(self.dxf.extrusion, m)
super().transform(m)
self.dxf.start_angle = ocs.transform_deg_angle(self.dxf.start_angle)
self.dxf.end_angle = ocs.transform_deg_angle(self.dxf.end_angle)
return self
def transform(self, m: Matrix44) -> 'Arc':
""" Transform ARC entity by transformation matrix `m` inplace.
Raises ``NonUniformScalingError()`` for non uniform scaling.
"""
ocs = OCSTransform(self.dxf.extrusion, m)
super().transform(m)
s = self.dxf.start_angle
e = self.dxf.end_angle
if not math.isclose(arc_angle_span_deg(s, e), 360.0):
self.dxf.start_angle = ocs.transform_deg_angle(s)
self.dxf.end_angle = ocs.transform_deg_angle(e)
return self
def transform(self, m: Matrix44) -> 'Text':
""" Transform TEXT entity by transformation matrix `m` inplace.
.. versionadded:: 0.13
"""
dxf = self.dxf
if not dxf.hasattr('align_point'):
dxf.align_point = dxf.insert
ocs = OCSTransform(self.dxf.extrusion, m)
dxf.insert = ocs.transform_vertex(dxf.insert)
dxf.align_point = ocs.transform_vertex(dxf.align_point)
old_rotation = dxf.rotation
new_rotation = ocs.transform_deg_angle(old_rotation)
x_scale = ocs.transform_length(Vec3.from_deg_angle(old_rotation))
y_scale = ocs.transform_length(
Vec3.from_deg_angle(old_rotation + 90.0))
if not ocs.scale_uniform:
oblique_vec = Vec3.from_deg_angle(
old_rotation + 90.0 - dxf.oblique)
new_oblique_deg = new_rotation + 90.0 - ocs.transform_direction(
oblique_vec).angle_deg
dxf.oblique = new_oblique_deg
y_scale *= math.cos(math.radians(new_oblique_deg))
dxf.width *= x_scale / y_scale
dxf.height *= y_scale
dxf.rotation = new_rotation
if dxf.hasattr('thickness'): # can be negative
dxf.thickness = ocs.transform_length((0, 0, dxf.thickness),
reflection=dxf.thickness)
dxf.extrusion = ocs.new_extrusion
return self
def transform(self, ocs: OCSTransform, elevation: float) -> None:
self.center = ocs.transform_2d_vertex(self.center, elevation)
self.radius = ocs.transform_length(Vec3(self.radius, 0, 0))
if not math.isclose(
arc_angle_span_deg(self.start_angle, self.end_angle), 360.0
): # open arc
# The transformation of the ccw flag is not necessary for the current
# implementation of OCS transformations. The arc angles have always
# a counter clockwise orientation around the extrusion vector and
# this orientation is preserved even for mirroring, which flips the
# extrusion vector to (0, 0, -1) for entities in the xy-plane.
self.start_angle = ocs.transform_deg_angle(self.start_angle)
self.end_angle = ocs.transform_deg_angle(self.end_angle)
else: # full circle
# Transform only start point to preserve the connection point to
# adjacent edges:
self.start_angle = ocs.transform_deg_angle(self.start_angle)
# ArcEdge is represented in counter-clockwise orientation:
self.end_angle = self.start_angle + 360.0
def transform(self, m: "Matrix44") -> "Shape":
"""Transform the SHAPE entity by transformation matrix `m` inplace."""
dxf = self.dxf
dxf.insert = m.transform(dxf.insert) # DXF Reference: WCS?
ocs = OCSTransform(self.dxf.extrusion, m)
dxf.rotation = ocs.transform_deg_angle(dxf.rotation)
dxf.size = ocs.transform_length((0, dxf.size, 0))
dxf.x_scale = ocs.transform_length((dxf.x_scale, 0, 0),
reflection=dxf.x_scale)
if dxf.hasattr("thickness"):
dxf.thickness = ocs.transform_thickness(dxf.thickness)
dxf.extrusion = ocs.new_extrusion
self.post_transform(m)
return self
def transform(self, m: 'Matrix44') -> 'Shape':
""" Transform SHAPE entity by transformation matrix `m` inplace.
.. versionadded:: 0.13
"""
dxf = self.dxf
dxf.insert = m.transform(dxf.insert) # DXF Reference: WCS?
ocs = OCSTransform(self.dxf.extrusion, m)
dxf.rotation = ocs.transform_deg_angle(dxf.rotation)
dxf.size = ocs.transform_length((0, dxf.size, 0))
dxf.x_scale = ocs.transform_length((dxf.x_scale, 0, 0),
reflection=dxf.x_scale)
if dxf.hasattr('thickness'):
dxf.thickness = ocs.transform_length((0, 0, dxf.thickness),
reflection=dxf.thickness)
dxf.extrusion = ocs.new_extrusion
return self
