def _set_base_angle(self, value):
if value is None:
if self._get_x() != 0 and self._get_y() != 0:
value = 0
elif self._get_x() != 0 and self._get_y() == 0:
value = 90
elif self._get_x() == 0 and self._get_y() != 0:
value = 0
else:
value = 0
value = normalizers.normalizeRotationAngle(value)
self._set_angle(value)
def _get_base_angle(self):
value = self._get_angle()
if value is None:
if self._get_x() != 0 and self._get_y() != 0:
value = 0
elif self._get_x() != 0 and self._get_y() == 0:
value = 90
elif self._get_x() == 0 and self._get_y() != 0:
value = 0
else:
value = 0
value = normalizers.normalizeRotationAngle(value)
return value
def rotateBy(self, value, origin=None):
"""
Rotate the object.
>>> obj.transformBy(45)
>>> obj.transformBy(45, origin=(500, 500))
**value** must be a :ref:`type-int-float` values
defining the angle to rotate the object by. **origin**
defines the point at with the rotation should originate.
It must be a :ref:`type-coordinate` or ``None``.
The default is ``(0, 0)``.
"""
value = normalizers.normalizeRotationAngle(value)
if origin is None:
origin = (0, 0)
origin = normalizers.normalizeCoordinateTuple(origin)
self._rotateBy(value, origin=origin)
def rotateBy(self, value, origin=None):
"""
Rotate the object.
>>> obj.transformBy(45)
>>> obj.transformBy(45, origin=(500, 500))
**value** must be a :ref:`type-int-float` values
defining the angle to rotate the object by. **origin**
defines the point at with the rotation should originate.
It must be a :ref:`type-coordinate` or ``None``.
The default is ``(0, 0)``.
"""
value = normalizers.normalizeRotationAngle(value)
if origin is None:
origin = (0, 0)
origin = normalizers.normalizeCoordinateTuple(origin)
self._rotateBy(value, origin=origin)
