def offset_xy(self, origin_x, origin_y, caller=None):
"""
Shifts this event to be in the coordinate frame whose origin, specified
in the event's coordinate frame, is (origin_x, origin_y).
Basically, a component calls event.offset_xy(\*self.position) to shift
the event into its own coordinate frame.
"""
self.push_transform(affine.affine_from_translation(-origin_x, -origin_y))
if caller is not None:
self.dispatch_history.append(caller)
return
def offset_xy(self, origin_x, origin_y, caller=None):
r"""
Shifts this event to be in the coordinate frame whose origin, specified
in the event's coordinate frame, is (origin_x, origin_y).
Basically, a component calls event.offset_xy(\*self.position) to shift
the event into its own coordinate frame.
"""
self.push_transform(
affine.affine_from_translation(-origin_x, -origin_y))
if caller is not None:
self.dispatch_history.append(caller)
return
def get_event_transform(self, event=None, suffix=""):
return affine.affine_from_translation(-self.x, -self.y)
def test_from_translation(self):
transform = affine.affine_from_translation(5., 6.)
pt1 = array([1., 1., 1.])
actual = dot(pt1, transform)
desired = pt1 + array((5., 6., 0.))
assert (alltrue(actual == desired))
def get_event_transform(self, event=None, suffix=""):
return affine.affine_from_translation(-self.x, -self.y)
def test_from_translation(self):
transform = affine.affine_from_translation(5.,6.)
pt1 = array([1.,1.,1.])
actual = dot(pt1,transform)
desired = pt1+array((5.,6.,0.))
assert(alltrue( actual == desired ))
def test_from_translation(self):
transform = affine.affine_from_translation(5.0, 6.0)
pt1 = array([1.0, 1.0, 1.0])
actual = dot(pt1, transform)
desired = pt1 + array((5.0, 6.0, 0.0))
assert alltrue(actual == desired)