class Register(Enum):
HIGH = GridUnit(0)
MEDIUM = GridUnit(1)
LOW = GridUnit(2)
H = HIGH
M = MEDIUM
L = LOW
def calculate_occupied_measures(event_data):
occupied_measures = set()
for event in event_data:
start_measure_num = int(Measure(event.pos_x).display_value)
end_measure_num = int(
Measure(event.pos_x + GridUnit(event.length) -
GridUnit(1)).display_value)
occupied_measures.update(
range(start_measure_num, end_measure_num + 1))
return occupied_measures
def draw_bar_lines(self):
for measure_num in range(self.measure_count + 1):
current_path = Path(
(Measure(measure_num), GridUnit(0)),
pen=Score._bar_line_pen,
parent=self,
)
drawing = False
for divider_num in range(len(self.instruments) + 1):
if self._bar_line_extends_below(measure_num, divider_num):
if not drawing:
current_path.move_to(
GridUnit(0), Score._instrument_pos_y(divider_num))
drawing = True
else:
if drawing:
current_path.line_to(
GridUnit(0), Score._instrument_pos_y(divider_num))
drawing = False
def draw_instrument_dividers(self):
for divider in range(len(self.instruments) + 1):
current_path = Path(
(Measure(0), Score._divider_pos_y(divider)),
pen=Score._instrument_divider_pen,
parent=self,
)
instrument_above = self.instruments[divider -
1] if divider > 0 else None
instrument_below = (self.instruments[divider]
if divider < len(self.instruments) else None)
drawing = False
for measure_num in range(self.measure_count + 1):
if Score._divider_visible(instrument_above, instrument_below,
measure_num):
if not drawing:
current_path.move_to(Measure(measure_num), GridUnit(0))
drawing = True
else:
if drawing:
current_path.line_to(Measure(measure_num), GridUnit(0))
drawing = False
class _EventBox(Path, Spanner):
box_pen = Pen(thickness=GridUnit(0.07), join_style=PenJoinStyle.MITER)
def __init__(self, parent, length):
Path.__init__(
self, (GridUnit(0), GridUnit(0)), pen=_EventBox.box_pen, parent=parent
)
Spanner.__init__(self, length, self)
self._construct_path()
def _construct_path(self):
self.line_to(self.end_x, GridUnit(0))
self.line_to(self.end_x, GridUnit(1))
self.line_to(GridUnit(0), GridUnit(1))
self.line_to(GridUnit(0), GridUnit(0))
self.close_subpath()
def _divider_pos_y(divider_index):
return GridUnit(3 * divider_index)
def _instrument_pos_y(instrument_index):
return GridUnit(3 * instrument_index)
class Score(ObjectGroup):
_TEXT_FONT_SIZE = GridUnit(0.6).base_value
_MUSIC_FONT_SIZE = Staff._make_unit_class(GridUnit(0.5))
_bar_line_pen = Pen(thickness=GridUnit(0.05), pattern=PenPattern.DOT)
_instrument_divider_pen = Pen(thickness=GridUnit(0.05))
def __init__(self, pos, instruments, parent):
super().__init__(pos, parent)
self.events = []
self.text_font = neoscore.default_font.modified(
size=Score._TEXT_FONT_SIZE, weight=60)
self.music_font = MusicFont(constants.DEFAULT_MUSIC_FONT_NAME,
Score._MUSIC_FONT_SIZE)
self.instruments = instruments
for i, instrument in enumerate(instruments):
for event_data in instrument.event_data:
self.events.append(self._create_event(i, event_data))
self.draw_instrument_dividers()
self.draw_bar_lines()
def _create_event(self, instrument_index, event_data):
if isinstance(event_data.text, GlyphName):
return self._create_music_text_event(instrument_index, event_data)
return self._create_text_event(instrument_index, event_data)
def _create_text_event(self, instrument_index, event_data):
return TextEvent(
(
event_data.pos_x,
(Score._instrument_pos_y(instrument_index) +
event_data.register.value),
),
self,
event_data.length,
event_data.text,
self.text_font,
)
def _create_music_text_event(self, instrument_index, event_data):
return MusicTextEvent(
(
event_data.pos_x,
(Score._instrument_pos_y(instrument_index) +
event_data.register.value),
),
self,
event_data.length,
event_data.text,
self.music_font,
)
@property
def measure_count(self):
return (max(
max(int(Measure(e.pos_x).display_value) for e in i.event_data)
for i in self.instruments) + 1)
@staticmethod
def _instrument_pos_y(instrument_index):
return GridUnit(3 * instrument_index)
@staticmethod
def _divider_pos_y(divider_index):
return GridUnit(3 * divider_index)
@staticmethod
def _divider_visible(
instrument_above: Union[InstrumentData, None],
instrument_below: Union[InstrumentData, None],
measure_num: int,
) -> bool:
return (instrument_above is not None
and instrument_above.measure_has_events(measure_num)) or (
instrument_below is not None
and instrument_below.measure_has_events(measure_num))
def _bar_line_extends_below(self, measure_num: int,
divider_num: int) -> bool:
if divider_num >= len(self.instruments):
return False
instrument = self.instruments[divider_num]
return instrument.measure_has_events(
measure_num - 1) or instrument.measure_has_events(measure_num)
def draw_instrument_dividers(self):
for divider in range(len(self.instruments) + 1):
current_path = Path(
(Measure(0), Score._divider_pos_y(divider)),
pen=Score._instrument_divider_pen,
parent=self,
)
instrument_above = self.instruments[divider -
1] if divider > 0 else None
instrument_below = (self.instruments[divider]
if divider < len(self.instruments) else None)
drawing = False
for measure_num in range(self.measure_count + 1):
if Score._divider_visible(instrument_above, instrument_below,
measure_num):
if not drawing:
current_path.move_to(Measure(measure_num), GridUnit(0))
drawing = True
else:
if drawing:
current_path.line_to(Measure(measure_num), GridUnit(0))
drawing = False
def draw_bar_lines(self):
for measure_num in range(self.measure_count + 1):
current_path = Path(
(Measure(measure_num), GridUnit(0)),
pen=Score._bar_line_pen,
parent=self,
)
drawing = False
for divider_num in range(len(self.instruments) + 1):
if self._bar_line_extends_below(measure_num, divider_num):
if not drawing:
current_path.move_to(
GridUnit(0), Score._instrument_pos_y(divider_num))
drawing = True
else:
if drawing:
current_path.line_to(
GridUnit(0), Score._instrument_pos_y(divider_num))
drawing = False
def _center_music_text(music_text):
text_rect = music_text.bounding_rect
x = (GridUnit(1 - MusicTextEvent._STEM_OFFSET_GRID_UNITS) - text_rect.width) / 2
y = GridUnit(0.5)
music_text.pos = Point(x, y)
def test_calculate_occupied_measures_one_grid_unit_event(self):
data = [EventData("", Measure(0) + GridUnit(3), Register.M, "", GridUnit(1))]
assert InstrumentData.calculate_occupied_measures(data) == {0}
def _calculate_text_pos(text, font):
text_rect = font.bounding_rect_of(text)
x = (GridUnit(1) - text_rect.width) / 2
y = GridUnit(1) - ((GridUnit(1) - text_rect.height) / 2)
return Point(x, y)
def _construct_path(self):
self.line_to(self.end_x, GridUnit(0))
self.line_to(self.end_x, GridUnit(1))
self.line_to(GridUnit(0), GridUnit(1))
self.line_to(GridUnit(0), GridUnit(0))
self.close_subpath()
def __init__(self, parent, length):
Path.__init__(
self, (GridUnit(0), GridUnit(0)), pen=_EventBox.box_pen, parent=parent
)
Spanner.__init__(self, length, self)
self._construct_path()
from neoscore.core import neoscore from examples.feldman_projections_2.content import instruments from examples.feldman_projections_2.grid_unit import GridUnit from examples.feldman_projections_2.score import Score neoscore.setup() # flowable = Flowable((GridUnit(0), GridUnit(0)), Measure(100), GridUnit(10)) score = Score((GridUnit(0), GridUnit(0)), instruments, None) neoscore.show()