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Add further type annotations

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Harry Dalton 2025-01-03 14:55:28 +00:00 committed by Behdad Esfahbod
parent 2865d19ff0
commit ef07e3b2cc
1 changed files with 8 additions and 8 deletions
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16
Lib/fontTools/misc/transform.py
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@ -67,7 +67,7 @@ _ONE_EPSILON = 1 - _EPSILON
_MINUS_ONE_EPSILON = -1 + _EPSILON _MINUS_ONE_EPSILON = -1 + _EPSILON
def _normSinCos(v): def _normSinCos(v: float) -> float:
if abs(v) < _EPSILON: if abs(v) < _EPSILON:
v = 0 v = 0
elif v > _ONE_EPSILON: elif v > _ONE_EPSILON:
@ -243,7 +243,7 @@ class Transform(NamedTuple):
y = x y = x
return self.transform((x, 0, 0, y, 0, 0)) return self.transform((x, 0, 0, y, 0, 0))
def rotate(self, angle): def rotate(self, angle: float):
"""Return a new transformation, rotated by 'angle' (radians). """Return a new transformation, rotated by 'angle' (radians).
:Example: :Example:
@ -334,7 +334,7 @@ class Transform(NamedTuple):
dx, dy = -xx * dx - yx * dy, -xy * dx - yy * dy dx, dy = -xx * dx - yx * dy, -xy * dx - yy * dy
return self.__class__(xx, xy, yx, yy, dx, dy) return self.__class__(xx, xy, yx, yy, dx, dy)
def toPS(self): def toPS(self) -> str:
"""Return a PostScript representation """Return a PostScript representation
:Example: :Example:
@ -350,7 +350,7 @@ class Transform(NamedTuple):
"""Decompose into a DecomposedTransform.""" """Decompose into a DecomposedTransform."""
return DecomposedTransform.fromTransform(self) return DecomposedTransform.fromTransform(self)
def __bool__(self): def __bool__(self) -> bool:
"""Returns True if transform is not identity, False otherwise. """Returns True if transform is not identity, False otherwise.
:Example: :Example:
@ -372,14 +372,14 @@ class Transform(NamedTuple):
""" """
return self != Identity return self != Identity
def __repr__(self): def __repr__(self) -> str:
return "<%s [%g %g %g %g %g %g]>" % ((self.__class__.__name__,) + self) return "<%s [%g %g %g %g %g %g]>" % ((self.__class__.__name__,) + self)
Identity = Transform() Identity = Transform()
def Offset(x: float = 0, y: float = 0): def Offset(x: float = 0, y: float = 0) -> Transform:
"""Return the identity transformation offset by x, y. """Return the identity transformation offset by x, y.
:Example: :Example:
@ -390,7 +390,7 @@ def Offset(x: float = 0, y: float = 0):
return Transform(1, 0, 0, 1, x, y) return Transform(1, 0, 0, 1, x, y)
def Scale(x: float, y: float | None = None): def Scale(x: float, y: float | None = None) -> Transform:
"""Return the identity transformation scaled by x, y. The 'y' argument """Return the identity transformation scaled by x, y. The 'y' argument
may be None, which implies to use the x value for y as well. may be None, which implies to use the x value for y as well.
@ -490,7 +490,7 @@ class DecomposedTransform:
0, 0,
) )
def toTransform(self): def toTransform(self) -> Transform:
"""Return the Transform() equivalent of this transformation. """Return the Transform() equivalent of this transformation.
:Example: :Example: