MusicXML: Implement different styles of tuplet brackets and numbers

[lilypond.git] / python / musicexp.py

diff --git a/python/musicexp.py b/python/musicexp.py
index c0b298f36797fd9a775c0afb588c77ea9bff4a37..bdd707476198a031ce5ca783dad876d03cda5fb3 100644 (file)
--- a/python/musicexp.py
+++ b/python/musicexp.py
@@ -452,7 +452,47 @@ class RelativeMusic (MusicWrapper):
         relative_pitches = prev_relative_pitches
 
 class TimeScaledMusic (MusicWrapper):
+    def __init__ (self):
+        MusicWrapper.__init__ (self)
+        self.display_number = "actual" # valid values "actual" | "both" | None
+        # Display the basic note length for the tuplet:
+        self.display_type = None       # value values "actual" | "both" | None
+        self.display_bracket = "bracket" # valid values "bracket" | "curved" | None
+
     def print_ly (self, func):
+        if self.display_bracket == None:
+            func ("\\once \\override TupletBracket #'stencil = ##f")
+            func.newline ()
+        elif self.display_bracket == "curved":
+            warning (_ ("Tuplet brackets of curved shape are not correctly implemented"))
+            func ("\\once \\override TupletBracket #'stencil = #ly:slur::print")
+            func.newline ()
+
+        base_number_function = {None: "#f", 
+             "actual": "tuplet-number::calc-denominator-text", 
+             "both": "tuplet-number::calc-fraction-text"}.get (self.display_number, None)
+
+        if self.display_type == "actual":
+            base_duration = "8" # TODO!!!
+            func ("\\once \\override TupletNumber #'text = #(tuplet-number::append-note-wrapper %s \"%s\")" %
+                (base_number_function, base_duration))
+            func.newline ()
+        elif self.display_type == None:
+            if self.display_number == None:
+                func ("\\once \\override TupletNumber #'stencil = ##f")
+                func.newline ()
+            elif self.display_number == "both":
+                func ("\\once \\override TupletNumber #'text = #%s" % base_number_function)
+                func.newline ()
+        elif self.display_type == "both":
+            warning (_ ("Tuplet brackets displaying both note durations are not implemented, using default"))
+            if self.display_number == None:
+                func ("\\once \\override TupletNumber #'stencil = ##f")
+                func.newline ()
+            elif self.display_number == "both":
+                func ("\\once \\override TupletNumber #'text = #%s" % base_number_function)
+                func.newline ()
+
         func ('\\times %d/%d ' %
            (self.numerator, self.denominator))
         func.add_factor (Rational (self.numerator, self.denominator))