def __init__(
self,
components=None,
direction=None,
overrides=None,
):
BeamSpanner.__init__(
self,
components,
direction=direction,
overrides=overrides,
)
def _format_before_leaf(self, leaf):
r'''Spanner format contribution to output before leaf.
'''
result = []
result.extend(BeamSpanner._format_before_leaf(self, leaf))
if self.is_beamable_component(leaf):
if self._is_my_only_leaf(leaf):
left, right = self._get_left_right_for_lone_leaf(leaf)
elif self._is_exterior_leaf(leaf):
left, right = self._get_left_right_for_exterior_leaf(leaf)
else:
left, right = self._get_left_right_for_interior_leaf(leaf)
if left is not None:
result.append(r'\set stemLeftBeamCount = #%s' % left)
if right is not None:
result.append(r'\set stemRightBeamCount = #%s' % right)
return result
def _copy_keyword_args(self, new):
BeamSpanner._copy_keyword_args(self, new)
new.lone = self.lone
