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[Mirrorable / Flippable] Bifurcate mirror into flip (relative to line) vs mirror (relative to own offset/origin)

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Jan Petykiewicz 2026-02-15 00:05:53 -08:00
commit 44986bac67
11 changed files with 115 additions and 111 deletions
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masque/label.py
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@ -7,12 +7,12 @@ from numpy.typing import ArrayLike, NDArray
from .repetition import Repetition
from .utils import rotation_matrix_2d, annotations_t, annotations_eq, annotations_lt, rep2key
from .traits import PositionableImpl, Copyable, Pivotable, RepeatableImpl, Bounded
from .traits import PositionableImpl, Copyable, Pivotable, RepeatableImpl, Bounded, Flippable
from .traits import AnnotatableImpl
@functools.total_ordering
class Label(PositionableImpl, RepeatableImpl, AnnotatableImpl, Bounded, Pivotable, Copyable):
class Label(PositionableImpl, RepeatableImpl, AnnotatableImpl, Bounded, Pivotable, Copyable, Flippable):
"""
A text annotation with a position (but no size; it is not drawn)
"""
@ -102,6 +102,22 @@ class Label(PositionableImpl, RepeatableImpl, AnnotatableImpl, Bounded, Pivotabl
self.translate(+pivot)
return self
def flip_across(self, axis: int | None = None, *, x: float | None = None, y: float | None = None) -> Self:
"""
Mirror the object across a line.
Args:
axis: Axis to mirror across. 0 mirrors across x=0. 1 mirrors across y=0.
x: Vertical line x=val to mirror across.
y: Horizontal line y=val to mirror across.
Returns:
self
"""
if self.repetition is not None:
self.repetition.flip_across(axis=axis, x=x, y=y)
return self
def get_bounds_single(self) -> NDArray[numpy.float64]:
"""
Return the bounds of the label.