Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / scm / music-functions.scm

diff --git a/scm/music-functions.scm b/scm/music-functions.scm
index 86d2f2e0ddd5a509acc3e900ed40ac46e511225d..bc8dad2e448c5d5517725b485e196d8976b13a1d 100644 (file)
--- a/scm/music-functions.scm
+++ b/scm/music-functions.scm
@@ -3,7 +3,7 @@
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
 ;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;;                 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;                 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 
 ;; (use-modules (ice-9 optargs)) 
 
@@ -16,9 +16,6 @@
   (make-procedure-with-setter ly:music-property
                              ly:music-set-property!))
 
-(define-safe-public (music-is-of-type? mus type)
-  "Does @code{mus} belong to the music class @code{type}?"
-  (memq type (ly:music-property mus 'types)))
 
 ;; TODO move this
 (define-public ly:grob-property
@@ -199,6 +196,8 @@ Returns `obj'.
          (set! (ly:music-property music 'duration) nd)))
     music))
 
+
+
 (define-public (shift-duration-log music shift dot)
   (music-map (lambda (x) (shift-one-duration-log x shift dot))
             music))
@@ -387,19 +386,60 @@ i.e.  this is not an override"
 
 ;; mmrest
 (define-public (make-multi-measure-rest duration location)
-  (make-music 'MultiMeasureRestMusic
+  (make-music 'MultiMeasureRestMusicGroup
              'origin location
-             'duration duration))
+             'elements (list (make-music 'BarCheck
+                                         'origin location)
+                             (make-event-chord (list (make-music 'MultiMeasureRestEvent
+                                                                 'origin location
+                                                                 'duration duration)))
+                             (make-music 'BarCheck
+                                         'origin location))))
+
+(define-public (glue-mm-rest-texts music)
+  "Check if we have R1*4-\\markup { .. }, and if applicable convert to
+a property set for MultiMeasureRestNumber."
+  (define (script-to-mmrest-text script-music)
+    "Extract 'direction and 'text from SCRIPT-MUSIC, and transform MultiMeasureTextEvent"
+    (let ((dir (ly:music-property script-music 'direction))
+         (p   (make-music 'MultiMeasureTextEvent
+                          'text (ly:music-property script-music 'text))))
+      (if (ly:dir? dir)
+         (set! (ly:music-property p 'direction) dir))
+      p))
+  
+  (if (eq? (ly:music-property music 'name) 'MultiMeasureRestMusicGroup)
+      (let* ((text? (lambda (x) (memq 'script-event (ly:music-property x 'types))))
+            (event? (lambda (x) (memq 'event (ly:music-property x 'types))))
+            (group-elts (ly:music-property  music 'elements))
+            (texts '())
+            (events '())
+            (others '()))
+
+       (set! texts 
+             (map script-to-mmrest-text (filter text? group-elts)))
+       (set! group-elts
+             (remove text? group-elts))
+
+       (set! events (filter event? group-elts))
+       (set! others (remove event? group-elts))
+       
+       (if (or (pair? texts) (pair? events))
+           (set! (ly:music-property music 'elements)
+                 (cons (make-event-chord
+                        (append texts events))
+                       others)))
+
+       ))
+
+  music)
+
 
 (define-public (make-property-set sym val)
   (make-music 'PropertySet
              'symbol sym
              'value val))
 
-(define-public (make-property-unset sym)
-  (make-music 'PropertyUnset
-             'symbol sym))
-
 (define-public (make-ottava-set octavation)
   (let ((m (make-music 'ApplyContext)))
     (define (ottava-modify context)
@@ -433,23 +473,6 @@ OTTAVATION to `8va', or whatever appropriate."
 (define-public (make-time-signature-set num den . rest)
   "Set properties for time signature NUM/DEN.  Rest can contain a list
 of beat groupings "
-
-  (define (standard-beat-grouping num den)
-
-    "Some standard subdivisions for time signatures."
-    (let*
-       ((key (cons num den))
-        (entry (assoc key '(((6 . 8) . (3 3))
-                        ((5 . 8) . (3 2))
-                        ((9 . 8) . (3 3 3))
-                        ((12 . 8) . (3 3 3 3))
-                        ((8 . 8) . (3 3 2))
-                        ))))
-
-      (if entry
-         (cdr entry)
-         '())))    
-  
   (let* ((set1 (make-property-set 'timeSignatureFraction (cons num den)))
         (beat (ly:make-moment 1 den))
         (len  (ly:make-moment num den))
@@ -457,7 +480,7 @@ of beat groupings "
         (set3 (make-property-set 'measureLength len))
         (set4 (make-property-set 'beatGrouping (if (pair? rest)
                                                    (car rest)
-                                                   (standard-beat-grouping num den))))
+                                                   '())))
         (basic  (list set1 set2 set3 set4)))
     (descend-to-context
      (context-spec-music (make-sequential-music basic) 'Timing) 'Score)))
@@ -811,6 +834,7 @@ if appropriate.
 (define-public toplevel-music-functions
   (list
    (lambda (music parser) (voicify-music music))
+   (lambda (x parser) (music-map glue-mm-rest-texts x))
    (lambda (x parser) (music-map music-check-error x))
    (lambda (x parser) (music-map precompute-music-length x))
    (lambda (music parser)