X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scripts%2Fmusicxml2ly.py;h=4256ea0504e52a4539db7cd4814ce52d94e7b1eb;hb=c9c268182e2e252406c87c4166d9a7f832b28eb4;hp=fcc24bf0e65db6ce9248ec1ee4a17bcce4e878e6;hpb=e39e7af9e3ed6fdd38a9a3d24e97b461fabfa21d;p=lilypond.git

diff --git a/scripts/musicxml2ly.py b/scripts/musicxml2ly.py
index fcc24bf0e6..4256ea0504 100644
--- a/scripts/musicxml2ly.py
+++ b/scripts/musicxml2ly.py
@@ -99,8 +99,108 @@ eyeglasses =  \markup { \with-dimensions #'(0 . 4.4) #'(0 . 2.5) \postscript #ey
            (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):
@@ -743,6 +843,8 @@ def musicxml_time_to_lily (attributes):
         return None
     change = musicexp.TimeSignatureChange()
     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'):
@@ -1735,8 +1837,9 @@ def musicxml_note_to_lily_main_event (n):
         # treated like an ordinary note pitch
         rest = n.get_maybe_exist_typed_child (musicxml.Rest)
         event = musicexp.RestEvent ()
-        pitch = musicxml_restdisplay_to_lily (rest)
-        event.pitch = pitch
+        if options.convert_rest_positions:
+            pitch = musicxml_restdisplay_to_lily (rest)
+            event.pitch = pitch
 
     elif n.instrument_name:
         event = musicexp.NoteEvent ()
@@ -2471,7 +2574,7 @@ If the given filename is -, musicxml2ly reads from the command line.
 
     p.version = ('''%prog (LilyPond) @TOPLEVEL_VERSION@\n\n'''
 +
-_ ("""Copyright (c) 2005--2008 by
+_ ("""Copyright (c) 2005--2009 by
     Han-Wen Nienhuys <hanwen@xs4all.nl>,
     Jan Nieuwenhuizen <janneke@gnu.org> and
     Reinhold Kainhofer <reinhold@kainhofer.com>
@@ -2526,6 +2629,12 @@ information.""") % 'lilypond')
                   dest = "convert_directions",
                   help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
 
+    p.add_option ('--nrp', '--no-rest-positions', 
+                  action = "store_false",
+                  default = True,
+                  dest = "convert_rest_positions",
+                  help = _ ("do not convert exact vertical positions of rests"))
+
     p.add_option ('--no-beaming', 
                   action = "store_false",
                   default = True,
@@ -2540,9 +2649,10 @@ information.""") % 'lilypond')
                   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):