Use the same line thickness as circle markup for box markup.

[lilypond.git] / python / musicexp.py

diff --git a/python/musicexp.py b/python/musicexp.py
index c70b396815939d4284ed384f51662f3f57e78027..8fb4e5c31976c972e3544b182b15ccb14104b2a6 100644 (file)
--- a/python/musicexp.py
+++ b/python/musicexp.py
@@ -5,6 +5,9 @@ import re
 
 from rational import Rational
 
+# Store previously converted pitch for \relative conversion as a global state variable
+previous_pitch = None
+relative_pitches = False
 
 def escape_instrument_string (input_string):
     retstring = string.replace (input_string, "\"", "\\\"")
@@ -127,8 +130,8 @@ class Output_printer:
         self.newline ()
         self._file.close ()
         self._file = None
-        
-        
+
+
 class Duration:
     def __init__ (self):
         self.duration_log = 0
@@ -183,7 +186,71 @@ class Duration:
 
         return base * dot_fact * self.factor
 
-    
+
+# Implement the different note names for the various languages
+def pitch_generic (pitch, notenames, accidentals):
+    str = notenames[pitch.step]
+    if pitch.alteration < 0:
+        str += accidentals[0] * (-pitch.alteration)
+    elif pitch.alteration > 0:
+        str += accidentals[3] * (pitch.alteration)
+    return str
+
+def pitch_general (pitch):
+    str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'b'], ['es', 'eh', 'ih', 'is'])
+    return str.replace ('aes', 'as').replace ('ees', 'es')
+
+def pitch_nederlands (pitch):
+    return pitch_general (pitch)
+
+def pitch_english (pitch):
+    str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'b'], ['f', 'qf', 'qs', 's'])
+    return str.replace ('aes', 'as').replace ('ees', 'es')
+
+def pitch_deutsch (pitch):
+    str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'h'], ['es', 'eh', 'ih', 'is'])
+    return str.replace ('hes', 'b').replace ('aes', 'as').replace ('ees', 'es')
+
+def pitch_norsk (pitch):
+    return pitch_deutsch (pitch)
+
+def pitch_svenska (pitch):
+    str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'h'], ['ess', '', '', 'iss'])
+    return str.replace ('hess', 'b').replace ('aes', 'as').replace ('ees', 'es')
+
+def pitch_italiano (pitch):
+    str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', 'sb', 'sd', 'd'])
+    return str
+
+def pitch_catalan (pitch):
+    return pitch_italiano (pitch)
+
+def pitch_espanol (pitch):
+    str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', '', '', 's'])
+    return str
+
+def pitch_vlaams (pitch):
+    str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', '', '', 'k'])
+    return str
+
+def set_pitch_language (language):
+    global pitch_generating_function
+    function_dict = {
+        "nederlands": pitch_nederlands,
+        "english": pitch_english,
+        "deutsch": pitch_deutsch,
+        "norsk": pitch_norsk,
+        "svenska": pitch_svenska,
+        "italiano": pitch_italiano,
+        "catalan": pitch_catalan,
+        "espanol": pitch_espanol,
+        "vlaams": pitch_vlaams}
+    pitch_generating_function = function_dict.get (language, pitch_general)
+
+# global variable to hold the formatting function.
+pitch_generating_function = pitch_general
+
+
 class Pitch:
     def __init__ (self):
         self.alteration = 0
@@ -230,21 +297,39 @@ class Pitch:
         return self.octave * 12 + [0,2,4,5,7,9,11][self.step] + self.alteration
     
     def ly_step_expression (self): 
-        str = 'cdefgab'[self.step]
-        if self.alteration > 0:
-            str += 'is'* (self.alteration)
-        elif self.alteration < 0:
-            str += 'es'* (-self.alteration)
+        return pitch_generating_function (self)
 
-        return str.replace ('aes', 'as').replace ('ees', 'es')
-    
-    def ly_expression (self):
-        str = self.ly_step_expression ()
+    def absolute_pitch (self):
         if self.octave >= 0:
-            str += "'" * (self.octave + 1) 
+            return "'" * (self.octave + 1)
         elif self.octave < -1:
-            str += "," * (-self.octave - 1) 
-            
+            return "," * (-self.octave - 1)
+        else:
+            return ''
+
+    def relative_pitch (self):
+        global previous_pitch
+        if not previous_pitch:
+            previous_pitch = self
+            return self.absolute_pitch ()
+        previous_pitch_steps = previous_pitch.octave * 7 + previous_pitch.step
+        this_pitch_steps = self.octave * 7 + self.step
+        pitch_diff = (this_pitch_steps - previous_pitch_steps)
+        previous_pitch = self
+        if pitch_diff > 3:
+            return "'" * ((pitch_diff + 3) / 7)
+        elif pitch_diff < -3:
+            return "," * ((-pitch_diff + 3) / 7)
+        else:
+            return ""
+
+    def ly_expression (self):
+        str = self.ly_step_expression ()
+        if relative_pitches:
+            str += self.relative_pitch ()
+        else:
+            str += self.absolute_pitch ()
+
         return str
     
     def print_ly (self, outputter):
@@ -332,6 +417,24 @@ class ModeChangingMusicWrapper (MusicWrapper):
         func ('\\%s' % self.mode)
         MusicWrapper.print_ly (self, func)
 
+class RelativeMusic (MusicWrapper):
+    def __init__ (self):
+        MusicWrapper.__init__ (self)
+        self.basepitch = None
+
+    def print_ly (self, func):
+        global previous_pitch
+        global relative_pitches
+        prev_relative_pitches = relative_pitches
+        relative_pitches = True
+        previous_pitch = self.basepitch
+        if not previous_pitch:
+            previous_pitch = Pitch ()
+        func ('\\relative %s%s' % (pitch_generating_function (previous_pitch), 
+                                   previous_pitch.absolute_pitch ()))
+        MusicWrapper.print_ly (self, func)
+        relative_pitches = prev_relative_pitches
+
 class TimeScaledMusic (MusicWrapper):
     def print_ly (self, func):
         func ('\\times %d/%d ' %
@@ -600,8 +703,15 @@ class EventChord (NestedMusic):
         elif len (note_events) == 1:
             note_events[0].print_ly (printer)
         elif note_events:
-            pitches = [x.pitch.ly_expression () for x in note_events]
+            global previous_pitch
+            pitches = []
+            basepitch = None
+            for x in note_events:
+                pitches.append (x.pitch.ly_expression ())
+                if not basepitch:
+                    basepitch = previous_pitch
             printer ('<%s>' % string.join (pitches))
+            previous_pitch = basepitch
             note_events[0].duration.print_ly (printer)
         else:
             pass