def execute_against_score(self, score):
r'''Execute note head color set expression against `score`.
'''
color = self.source_expression.payload
for leaf in self._iterate_selected_leaves_in_score(score):
labeltools.color_leaf(leaf, color)
leaf.override.beam.color = color
leaf.override.flag.color = color
leaf.override.stem.color = color
def color_leaves_in_expr(expr, color):
r"""Color leaves in `expr`:
::
>>> staff = Staff("cs'8. [ r8. s8. <c' cs' a'>8. ]")
.. doctest::
>>> print(format(staff))
\new Staff {
cs'8. [
r8.
s8.
<c' cs' a'>8. ]
}
::
>>> show(staff) # doctest: +SKIP
::
>>> labeltools.color_leaves_in_expr(staff, 'red')
.. doctest::
>>> print(format(staff))
\new Staff {
\once \override Accidental #'color = #red
\once \override Beam #'color = #red
\once \override Dots #'color = #red
\once \override NoteHead #'color = #red
\once \override Stem #'color = #red
cs'8. [
\once \override Dots #'color = #red
\once \override Rest #'color = #red
r8.
s8.
\once \override Accidental #'color = #red
\once \override Beam #'color = #red
\once \override Dots #'color = #red
\once \override NoteHead #'color = #red
\once \override Stem #'color = #red
<c' cs' a'>8. ]
}
::
>>> show(staff) # doctest: +SKIP
Returns none.
"""
from abjad.tools import labeltools
for leaf in iterate(expr).by_class(scoretools.Leaf):
labeltools.color_leaf(leaf, color)
def color_leaves_in_expr(expr, color):
r"""Color leaves in `expr`:
::
>>> staff = Staff("cs'8. [ r8. s8. <c' cs' a'>8. ]")
.. doctest::
>>> print format(staff)
\new Staff {
cs'8. [
r8.
s8.
<c' cs' a'>8. ]
}
::
>>> show(staff) # doctest: +SKIP
::
>>> labeltools.color_leaves_in_expr(staff, 'red')
.. doctest::
>>> print format(staff)
\new Staff {
\once \override Accidental #'color = #red
\once \override Beam #'color = #red
\once \override Dots #'color = #red
\once \override NoteHead #'color = #red
\once \override Stem #'color = #red
cs'8. [
\once \override Dots #'color = #red
\once \override Rest #'color = #red
r8.
s8.
\once \override Accidental #'color = #red
\once \override Beam #'color = #red
\once \override Dots #'color = #red
\once \override NoteHead #'color = #red
\once \override Stem #'color = #red
<c' cs' a'>8. ]
}
::
>>> show(staff) # doctest: +SKIP
Returns none.
"""
from abjad.tools import labeltools
for leaf in iterate(expr).by_class(scoretools.Leaf):
labeltools.color_leaf(leaf, color)
def execute_against_score(self, score):
r'''Execute note head color set expression against `score`.
'''
color = self.source_expression.payload
for leaf in self._iterate_selected_leaves_in_score(score):
labeltools.color_leaf(leaf, color)
override(leaf).beam.color = color
override(leaf).flag.color = color
override(leaf).stem.color = color
