]> git.donarmstrong.com Git - lilypond.git/commitdiff
Patch by Arvid Grotting for minor keys and <<
authorHan-Wen Nienhuys <hanwen@xs4all.nl>
Thu, 9 Oct 2003 12:30:21 +0000 (12:30 +0000)
committerHan-Wen Nienhuys <hanwen@xs4all.nl>
Thu, 9 Oct 2003 12:30:21 +0000 (12:30 +0000)
>> in \score.

ChangeLog
scripts/etf2ly.py

index 3946f1ec027ab175796a834921ba803b0a6c9cce..4d590b4dd34cf2c57e53e7a4e16ca09eabd29e95 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-09  Han-Wen Nienhuys  <hanwen@cs.uu.nl>
+
+       * scripts/etf2ly.py: Patch by Arvid Grotting for minor keys and <<
+       >> in \score.
+
 2003-10-05  Jan Nieuwenhuizen  <janneke@gnu.org>
 
        * scripts/convert-ly.py (sub_chords): Bugfix: convert to -[, so
index 335d363025033e8eaf29f2a9477fce7d0cc3d691..f8e06cbad1060a5b84d9e0b44bb215c33755117b 100644 (file)
@@ -97,17 +97,30 @@ have the correct number of accidentals
                while accidental_bits < 256:
                        p = transpose (p, (3,0))
                        accidental_bits = accidental_bits + 1
-                       
+
+       if bank_number == 1:
+               # minor scale
+               p = transpose (p, (5, 0))
        p  = (p[0] % 7, p[1])
 
-       return p
+       return KeySignature (p, bank_number)
 
 # should cache this.
-def find_scale (transposition):
+def find_scale (keysig):
        cscale = map (lambda x: (x,0), range (0,7))
-       trscale = map(lambda x, k=transposition: transpose(x, k), cscale)
-
+       print "cscale: ", cscale
+       ascale = map (lambda x: (x,0), range (-2,5))
+       print "ascale: ", ascale
+       transposition = keysig.pitch
+       if keysig.sig_type == 1:
+               transposition = transpose(transposition, (2, -1))
+               transposition = (transposition[0] % 7, transposition[1])
+               trscale = map(lambda x, k=transposition: transpose(x, k), ascale)
+       else:
+               trscale = map(lambda x, k=transposition: transpose(x, k), cscale)
+       print "trscale: ", trscale
        return trscale
+
 def EDU_to_duration (edu):
        log = 1
        d = 4096
@@ -384,7 +397,25 @@ class Verse:
                str = """\nverse%s = \\lyrics {\n %s}\n""" %  (encodeint (self.number - 1) ,str)
                return str
 
+class KeySignature:
+       def __init__(self, pitch, sig_type = 0):
+               self.pitch = pitch
+               self.sig_type = sig_type
        
+       def signature_type (self):
+               if self.sig_type == 1:
+                       return "\\minor"
+               else:
+                       # really only for 0, but we only know about 0 and 1
+                       return "\\major"
+       
+       def equal (self, other):
+               if other and other.pitch == self.pitch and other.sig_type == self.sig_type:
+                       return 1
+               else:
+                       return 0
+       
+
 class Measure:
        def __init__(self, no):
                self.number = no
@@ -502,9 +533,10 @@ class Staff:
                        e = ''
                        
                        if g:
-                               if last_key <> g.key_signature:
-                                       pitch= g.key_signature                                  
-                                       e = e + "\\key %s \\major " % (lily_notename (pitch))
+                               if g.key_signature and not g.key_signature.equal(last_key):
+                                       pitch= g.key_signature.pitch
+                                       e = e + "\\key %s %s " % (lily_notename (pitch),
+                                                                 g.key_signature.signature_type())
                                        
                                        last_key = g.key_signature
                                if last_time <> g.timesig :
@@ -1093,7 +1125,7 @@ class Etf_file:
                        sys.stderr.write ("\nLyrics found; edit to use \\addlyrics to couple to a staff\n")
                        
                if staffs:
-                       str = str + '\\score { < %s > } ' % string.join (staffs)
+                       str = str + '\\score { << %s >> } ' % string.join (staffs)
                        
                return str