def _get_value_from_pattern(patterns, current_stage, last):
if last is None:
start = Handler._cycle_next(patterns, current_stage)
else:
start = last
end = Handler._cycle_next(patterns, current_stage)
return start, end
def _get_value_from_pattern(patterns, current_stage, last):
if last is None:
start = Handler._cycle_next(patterns, current_stage)
else:
start = last
end = Handler._cycle_next(patterns, current_stage)
return start, end
def test__cycle_next(self):
patterns = [
[0],
[0, 1],
]
cycles = Handler._create_cycles(patterns)
next_cycle = Handler._cycle_next(cycles, 0)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 0)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 1)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 0)
def test__cycle_next(self):
patterns = [
[0],
[0, 1],
]
cycles = Handler._create_cycles(patterns)
next_cycle = Handler._cycle_next(cycles, 0)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 0)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 0)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 1)
next_cycle = Handler._cycle_next(cycles, 1)
self.assertEqual(next_cycle, 0)
def _handle_rhythm_voice(self, rhythm_voice, current_stage):
if (self._height_envelopes is None or
self._height_envelopes[current_stage] is None) and \
(self._height_envelope_patterns is None or
self._height_envelope_patterns[current_stage] is None):
return
previous_string_index = None
for tie, offset_start, offset_end, i, count in \
self._iterate_logical_ties(rhythm_voice):
# hide leaves if necessary
if not self._show_rhythmic_notation:
for leaf in tie:
Handler._hide_leaf(leaf)
if tie.is_pitched:
tremolo = Handler._cycle_next(
self._tremolo_patterns,
current_stage
)
string_index = Handler._cycle_next(
self._string_index_patterns,
current_stage
)
direction = Handler._cycle_next(
self._direction_patterns,
current_stage
)
if string_index != previous_string_index:
BowingHandler._attach_string_index(string_index, tie)
if direction:
BowingHandler._attach_direction(direction, tie)
if tremolo:
Handler._add_stem_tremolo(tie)
previous_string_index = string_index
else:
previous_string_index = None
def _handle_rhythm_voice(self, rhythm_voice, current_stage):
if (self._height_envelopes is None or
self._height_envelopes[current_stage] is None) and \
(self._height_envelope_patterns is None or
self._height_envelope_patterns[current_stage] is None):
return
previous_string_index = None
for tie, offset_start, offset_end, i, count in \
self._iterate_logical_ties(rhythm_voice):
# hide leaves if necessary
if not self._show_rhythmic_notation:
for leaf in tie:
Handler._hide_leaf(leaf)
if tie.is_pitched:
tremolo = Handler._cycle_next(self._tremolo_patterns,
current_stage)
string_index = Handler._cycle_next(self._string_index_patterns,
current_stage)
direction = Handler._cycle_next(self._direction_patterns,
current_stage)
if string_index != previous_string_index:
BowingHandler._attach_string_index(string_index, tie)
if direction:
BowingHandler._attach_direction(direction, tie)
if tremolo:
Handler._add_stem_tremolo(tie)
previous_string_index = string_index
else:
previous_string_index = None
def _handle_voice(self, voice, current_stage):
if (self._height_envelopes is None or
self._height_envelopes[current_stage] is None) and \
(self._height_envelope_patterns is None or
self._height_envelope_patterns[current_stage] is None):
return
last_height = None
last_pressure = None
for tie, offset_start, offset_end, i, count in \
Handler._iterate_logical_ties(voice):
if tie.is_pitched:
height_start, height_end = \
EnvelopeHandler._get_value(
self._height_envelopes,
self._height_envelope_patterns,
current_stage,
offset_start,
offset_end,
last_height,
)
pressure_start, pressure_end = \
EnvelopeHandler._get_value(
self._pressure_envelopes,
self._pressure_envelope_patterns,
current_stage,
offset_start,
offset_end,
last_pressure,
)
staccato = Handler._cycle_next(self._staccato_patterns,
current_stage)
if not staccato:
sweep = Handler._cycle_next(self._sweep_patterns,
current_stage)
tremolo = Handler._cycle_next(self._tremolo_patterns,
current_stage)
if sweep:
style = 'zigzag'
elif tremolo:
style = 'dashed-line'
else:
style = None
Handler._attach_glissando(
tie.head,
style=style,
color=scheme_rgb_color(
grayscale_to_rgb(
Handler._intensity_to_grayscale(
pressure_start))),
)
Handler._hidden_grace_after(tie.tail)
grace_container = abjad.inspect(tie.tail)\
.get_after_grace_container()
if grace_container is not None and \
len(grace_container) > 0:
self._set_y_offset(grace_container[0], height_end)
if count - 1 != i:
Handler._attach_glissando(
grace_container[0],
style=style,
color=scheme_rgb_color(
grayscale_to_rgb(
Handler._intensity_to_grayscale(
pressure_start))),
)
jete = Handler._cycle_next(self._jete_patterns, current_stage)
if jete:
BowingHandler._add_jete(tie.head)
self._set_y_offset(tie.head, height_start)
EnvelopeHandler._attach_notehead(tie, pressure_start)
if not tie.is_trivial:
for note in tie[1:]:
Handler._add_gliss_skip(note)
Handler._hide_note_head(note)
last_height = height_end
last_pressure = pressure_end
else:
last_height = None
last_pressure = None
def _handle_voice(self, voice, current_stage):
if (self._height_envelopes is None or
self._height_envelopes[current_stage] is None) and \
(self._height_envelope_patterns is None or
self._height_envelope_patterns[current_stage] is None):
return
last_height = None
last_pressure = None
for tie, offset_start, offset_end, i, count in \
Handler._iterate_logical_ties(voice):
if tie.is_pitched:
height_start, height_end = \
EnvelopeHandler._get_value(
self._height_envelopes,
self._height_envelope_patterns,
current_stage,
offset_start,
offset_end,
last_height,
)
pressure_start, pressure_end = \
EnvelopeHandler._get_value(
self._pressure_envelopes,
self._pressure_envelope_patterns,
current_stage,
offset_start,
offset_end,
last_pressure,
)
staccato = Handler._cycle_next(self._staccato_patterns,
current_stage)
if not staccato:
sweep = Handler._cycle_next(self._sweep_patterns,
current_stage)
tremolo = Handler._cycle_next(self._tremolo_patterns,
current_stage)
if sweep:
style = 'zigzag'
elif tremolo:
style = 'dashed-line'
else:
style = None
Handler._attach_glissando(
tie.head,
style=style,
color=scheme_rgb_color(
grayscale_to_rgb(
Handler._intensity_to_grayscale(pressure_start)
)
),
)
Handler._hidden_grace_after(tie.tail)
grace_container = abjad.inspect(tie.tail)\
.get_after_grace_container()
if grace_container is not None and \
len(grace_container) > 0:
self._set_y_offset(grace_container[0], height_end)
if count - 1 != i:
Handler._attach_glissando(
grace_container[0],
style=style,
color=scheme_rgb_color(
grayscale_to_rgb(
Handler._intensity_to_grayscale(
pressure_start)
)
),
)
jete = Handler._cycle_next(self._jete_patterns, current_stage)
if jete:
BowingHandler._add_jete(tie.head)
self._set_y_offset(tie.head, height_start)
EnvelopeHandler._attach_notehead(tie, pressure_start)
if not tie.is_trivial:
for note in tie[1:]:
Handler._add_gliss_skip(note)
Handler._hide_note_head(note)
last_height = height_end
last_pressure = pressure_end
else:
last_height = None
last_pressure = None