(den (if denominator denominator (ly:event-property ev 'denominator)))
(num (if numerator numerator (ly:event-property ev 'numerator))))
(format "~a:~a" den num)))
-"""
+""",
+ "compound-time-signature": """%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Formatting of (possibly complex) compound time signatures
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+#(define-public (insert-markups l m)
+ (let* ((ll (reverse l)))
+ (let join-markups ((markups (list (car ll)))
+ (remaining (cdr ll)))
+ (if (pair? remaining)
+ (join-markups (cons (car remaining) (cons m markups)) (cdr remaining))
+ markups))))
+
+% Use a centered-column inside a left-column, because the centered column
+% moves its reference point to the center, which the left-column undoes.
+% The center-column also aligns its contented centered, which is not undone...
+#(define-public (format-time-fraction time-sig-fraction)
+ (let* ((revargs (reverse (map number->string time-sig-fraction)))
+ (den (car revargs))
+ (nums (reverse (cdr revargs))))
+ (make-override-markup '(baseline-skip . 0)
+ (make-number-markup
+ (make-left-column-markup (list
+ (make-center-column-markup (list
+ (make-line-markup (insert-markups nums "+"))
+ den))))))))
+
+#(define-public (format-complex-compound-time time-sig)
+ (let* ((sigs (map format-time-fraction time-sig)))
+ (make-override-markup '(baseline-skip . 0)
+ (make-number-markup
+ (make-line-markup
+ (insert-markups sigs (make-vcenter-markup "+")))))))
+
+#(define-public (format-compound-time time-sig)
+ (cond
+ ((not (pair? time-sig)) (null-markup))
+ ((pair? (car time-sig)) (format-complex-compound-time time-sig))
+ (else (format-time-fraction time-sig))))
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Measure length calculation of (possibly complex) compound time signatures
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+#(define-public (calculate-time-fraction time-sig-fraction)
+ (let* ((revargs (reverse time-sig-fraction))
+ (den (car revargs))
+ (nums (cdr revargs)))
+ (ly:make-moment (apply + nums) den)))
+
+#(define-public (calculate-complex-compound-time time-sig)
+ (let* ((sigs (map calculate-time-fraction time-sig)))
+ (let add-moment ((moment ZERO-MOMENT)
+ (remaining sigs))
+ (if (pair? remaining)
+ (add-moment (ly:moment-add moment (car remaining)) (cdr remaining))
+ moment))))
+
+#(define-public (calculate-compound-measure-length time-sig)
+ (cond
+ ((not (pair? time-sig)) (ly:make-moment 4 4))
+ ((pair? (car time-sig)) (calculate-complex-compound-time time-sig))
+ (else (calculate-time-fraction time-sig))))
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Base beat lenth
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+#(define-public (calculate-compound-base-beat-full time-sig)
+ (let* ((den (map last time-sig)))
+ (apply max den)))
+
+#(define-public (calculate-compound-base-beat time-sig)
+ (ly:make-moment 1 (cond
+ ((not (pair? time-sig)) 4)
+ ((pair? (car time-sig)) (calculate-compound-base-beat-full time-sig))
+ (else (calculate-compound-base-beat-full (list time-sig))))))
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% The music function to set the complex time signature
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+compoundMeter =
+#(define-music-function (parser location args) (pair?)
+ (let ((mlen (calculate-compound-measure-length args))
+ (beat (calculate-compound-base-beat args)))
+ #{
+\once \override Staff.TimeSignature #'stencil = #ly:text-interface::print
+\once \override Staff.TimeSignature #'text = #(format-compound-time $args)
+% \set Staff.beatGrouping = #(reverse (cdr (reverse $args)))
+\set Timing.measureLength = $mlen
+\set Timing.timeSignatureFraction = #(cons (ly:moment-main-numerator $mlen)
+ (ly:moment-main-denominator $mlen))
+\set Timing.beatLength = $beat
+
+% TODO: Implement beatGrouping and auto-beam-settings!!!
+#} ))
+"""
}
def round_to_two_digits (val):
tsm.element = seq
new_list.append (tsm)
+ #TODO: Handle nested tuplets!!!!
new_list.extend (music_list[last:])
return new_list
return change
def musicxml_time_to_lily (attributes):
- (beats, type) = attributes.get_time_signature ()
-
+ sig = attributes.get_time_signature ()
+ if not sig:
+ return None
change = musicexp.TimeSignatureChange()
- change.fraction = (beats, type)
-
+ change.fractions = sig
+ if (len(sig) != 2) or isinstance (sig[0], list):
+ needed_additional_definitions.append ("compound-time-signature")
+
+ time_elm = attributes.get_maybe_exist_named_child ('time')
+ if time_elm and hasattr (time_elm, 'symbol'):
+ change.style = { 'single-number': "'single-digit",
+ 'cut': None,
+ 'common': None,
+ 'normal': "'()"}.get (time_elm.symbol, "'()")
+ else:
+ change.style = "'()"
+
+ # TODO: Handle senza-misura measures
+ # TODO: Handle hidden time signatures (print-object="no")
+ # TODO: What shall we do if the symbol clashes with the sig? e.g. "cut"
+ # with 3/8 or "single-number" with (2+3)/8 or 3/8+2/4?
+
return change
def musicxml_key_to_lily (attributes):
- start_pitch = musicexp.Pitch ()
- (fifths, mode) = attributes.get_key_signature ()
- try:
- (n,a) = {
- 'major' : (0,0),
- 'minor' : (5,0),
- 'ionian' : (0,0),
- 'dorian' : (1,0),
- 'phrygian' : (2,0),
- 'lydian' : (3,0),
- 'mixolydian': (4,0),
- 'aeolian' : (5,0),
- 'locrian' : (6,0),
- }[mode]
- start_pitch.step = n
- start_pitch.alteration = a
- except KeyError:
- error_message (_ ("unknown mode %s, expecting 'major' or 'minor'") % mode)
-
- fifth = musicexp.Pitch()
- fifth.step = 4
- if fifths < 0:
- fifths *= -1
- fifth.step *= -1
- fifth.normalize ()
+ key_sig = attributes.get_key_signature ()
+ if not key_sig or not (isinstance (key_sig, list) or isinstance (key_sig, tuple)):
+ error_message (_ ("Unable to extract key signature!"))
+ return None
+
+ change = musicexp.KeySignatureChange()
- for x in range (fifths):
- start_pitch = start_pitch.transposed (fifth)
+ if len (key_sig) == 2 and not isinstance (key_sig[0], list):
+ # standard key signature, (fifths, mode)
+ (fifths, mode) = key_sig
+ change.mode = mode
- start_pitch.octave = 0
+ start_pitch = musicexp.Pitch ()
+ start_pitch.octave = 0
+ try:
+ (n,a) = {
+ 'major' : (0,0),
+ 'minor' : (5,0),
+ 'ionian' : (0,0),
+ 'dorian' : (1,0),
+ 'phrygian' : (2,0),
+ 'lydian' : (3,0),
+ 'mixolydian': (4,0),
+ 'aeolian' : (5,0),
+ 'locrian' : (6,0),
+ }[mode]
+ start_pitch.step = n
+ start_pitch.alteration = a
+ except KeyError:
+ error_message (_ ("unknown mode %s, expecting 'major' or 'minor' "
+ "or a church mode!") % mode)
+
+ fifth = musicexp.Pitch()
+ fifth.step = 4
+ if fifths < 0:
+ fifths *= -1
+ fifth.step *= -1
+ fifth.normalize ()
+ for x in range (fifths):
+ start_pitch = start_pitch.transposed (fifth)
+ change.tonic = start_pitch
- change = musicexp.KeySignatureChange()
- change.mode = mode
- change.tonic = start_pitch
+ else:
+ # Non-standard key signature of the form [[step,alter<,octave>],...]
+ change.non_standard_alterations = key_sig
return change
def musicxml_transpose_to_lily (attributes):
for (k, func) in attr_dispatch.items ():
children = attrs.get_named_children (k)
if children:
- elts.append (func (attrs))
+ ev = func (attrs)
+ if ev:
+ elts.append (ev)
return elts
'cross': None, # TODO: + shaped note head
'x': '\'cross',
'circle-x': '\'xcircle',
- 'inverted triangle': None, # TOD: Implement
- 'arrow down': None, # TOD: Implement
- 'arrow up': None, # TOD: Implement
- 'slashed': None, # TOD: Implement
- 'back slashed': None, # TOD: Implement
+ 'inverted triangle': None, # TODO: Implement
+ 'arrow down': None, # TODO: Implement
+ 'arrow up': None, # TODO: Implement
+ 'slashed': None, # TODO: Implement
+ 'back slashed': None, # TODO: Implement
'normal': None,
- 'cluster': None, # TOD: Implement
+ 'cluster': None, # TODO: Implement
'none': '#f',
'do': '\'do',
're': '\'re',
def musicxml_lyrics_to_text (lyrics):
# TODO: Implement text styles for lyrics syllables
continued = False
+ extended = False
text = ''
for e in lyrics.get_all_children ():
if isinstance (e, musicxml.Syllabic):
if text:
text += " "
continued = False
+ extended = False
+ elif isinstance (e, musicxml.Extend):
+ if text:
+ text += " "
+ extended = True
if text == "-" and continued:
return "--"
- elif text == "_" and continued:
+ elif text == "_" and extended:
return "__"
elif continued and text:
return musicxml.escape_ly_output_string (text) + " --"
elif continued:
return "--"
+ elif extended and text:
+ return musicxml.escape_ly_output_string (text) + " __"
+ elif extended:
+ return "__"
elif text:
return musicxml.escape_ly_output_string (text)
else:
self.pending_multibar = Rational (0)
self.ignore_skips = False
self.has_relevant_elements = False
- self.measure_length = (4, 4)
+ self.measure_length = Rational (4, 4)
def _insert_multibar (self):
layout_information.set_context_item ('Score', 'skipBars = ##t')
r = musicexp.MultiMeasureRest ()
- lenfrac = Rational (self.measure_length[0], self.measure_length[1])
+ lenfrac = self.measure_length
r.duration = rational_to_lily_duration (lenfrac)
r.duration.factor *= self.pending_multibar / lenfrac
self.elements.append (r)
return None
def measure_length_from_attributes (attr, current_measure_length):
- mxl = attr.get_named_attribute ('time')
- if mxl:
- return attr.get_time_signature ()
- else:
- return current_measure_length
+ len = attr.get_measure_length ()
+ if not len:
+ len = current_measure_length
+ return len
def musicxml_voice_to_lily_voice (voice):
tuplet_events = []
voice_builder = LilyPondVoiceBuilder ()
figured_bass_builder = LilyPondVoiceBuilder ()
chordnames_builder = LilyPondVoiceBuilder ()
- current_measure_length = (4, 4)
+ current_measure_length = Rational (4, 4)
voice_builder.set_measure_length (current_measure_length)
for n in voice._elements:
dest = 'output_name',
help = _ ("set output filename to FILE, stdout if -"))
p.add_option_group ('',
- description = (_ ("Report bugs via")
- + ''' http://post.gmane.org/post.php'''
- '''?group=gmane.comp.gnu.lilypond.bugs\n'''))
+ description = (
+ _ ("Report bugs via %s")
+ % 'http://post.gmane.org/post.php'
+ '?group=gmane.comp.gnu.lilypond.bugs') + '\n')
return p
def music_xml_voice_name_to_lily_name (part_id, name):