for e in self.elements:
l = max(l, e.get_length())
return l
-
+
+ def get_duration (self):
+ note_events = [e for e in self.elements if
+ isinstance (e, NoteEvent) or isinstance (e, RestEvent)]
+ if note_events:
+ return note_events[0].duration
+ else:
+ return None
+
def print_ly (self, printer):
note_events = [e for e in self.elements if
isinstance (e, NoteEvent)]
basepitch = previous_pitch
printer ('<%s>' % string.join (pitches))
previous_pitch = basepitch
- note_events[0].duration.print_ly (printer)
+ duration = self.get_duration ()
+ if duration:
+ duration.print_ly (printer)
else:
pass
else:
return ''
+class ChordPitch:
+ def __init__ (self):
+ self.alteration = 0
+ self.step = 0
+ def __repr__(self):
+ return self.ly_expression()
+ def ly_expression (self):
+ return pitch_generating_function (self)
+
+class ChordModification:
+ def __init__ (self):
+ self.alteration = 0
+ self.step = 0
+ self.type = 0
+ def ly_expression (self):
+ if self.type:
+ val = {1: ".", -1: "^" }.get (self.type, "")
+ val += "%s" % self.step
+ val += {1: "+", -1: "-"}.get (self.alteration, "")
+ return val
+ else:
+ return ''
+
+class ChordNameEvent (Event):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.root = None
+ self.kind = None
+ self.duration = None
+ self.modifications = []
+ self.bass = None
+ def add_modification (self, mod):
+ self.modifications.append (mod)
+ def ly_expression (self):
+ if not self.root:
+ return ''
+ value = self.root.ly_expression ()
+ if self.duration:
+ value += self.duration.ly_expression ()
+ if self.kind:
+ value += ":"
+ value += self.kind
+ # First print all additions/changes, and only afterwards all subtractions
+ for m in self.modifications:
+ if m.type == 1:
+ value += m.ly_expression ()
+ for m in self.modifications:
+ if m.type == -1:
+ value += m.ly_expression ()
+ if self.bass:
+ value += "/+%s" % self.bass.ly_expression ()
+ return value
+
+
class TremoloEvent (ArticulationEvent):
def __init__ (self):
Event.__init__ (self)
sub_staff_type = self.stafftype
for [staff_id, voices] in self.part_information:
+ # Chord names need to come before the staff itself!
+ for [v, lyrics, figuredbass, chordnames] in voices:
+ if chordnames:
+ printer ('\context ChordNames = "%s" \\%s' % (chordnames, chordnames))
+
+ # now comes the real staff definition:
if staff_id:
printer ('\\context %s = "%s" << ' % (sub_staff_type, staff_id))
else:
printer.newline ()
n = 0
nr_voices = len (voices)
- for [v, lyrics, figuredbass] in voices:
+ for [v, lyrics, figuredbass, chordnames] in voices:
n += 1
voice_count_text = ''
if nr_voices > 1: