Documentation/user/lilypond-book.itely: Build fix.

[lilypond.git] / scm / layout-beam.scm

diff --git a/scm/layout-beam.scm b/scm/layout-beam.scm
index 6c790e02b5e3f37aafb4b0a071fbe71be41b410c..d946890049fbb6653e4088f4dd7cdb736391a884 100644 (file)
--- a/scm/layout-beam.scm
+++ b/scm/layout-beam.scm
@@ -3,27 +3,17 @@
 ;;;;
 ;;;; source file of the GNU LilyPond music typesetter
 ;;;; 
-;;;; (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;;
 
-;;
-;; width in staff space.
-;;
-(define (beam-flag-width-function type)
-  (cond
-   ((eq? type 1) 1.98) 
-   ((eq? type 1) 1.65) ;; FIXME: check what this should be and why
-   (else 1.32)))
-
-(define ((check-beam-quant posl posr) beam)
+(define ((check-beam-quant posl posr) beam posns)
   "Check whether BEAM has POSL and POSR quants.  POSL are (POSITION
 . QUANT) pairs, where QUANT is -1 (hang), 0 (center), 1 (sit) or -2/ 2 (inter) 
 
 "
-  (let* ((posns (ly:grob-property beam 'positions))
-        (thick (ly:grob-property beam 'thickness))
+  (let* ((thick (ly:grob-property beam 'thickness))
         (layout (ly:grob-layout beam))
-        (lthick (ly:output-def-lookup layout 'linethickness))
+        (lthick (ly:output-def-lookup layout 'line-thickness))
         (staff-thick lthick) ; fixme.
         (quant->coord (lambda (p q)
                         (if (= 2 (abs q))
@@ -40,12 +30,15 @@
                      want-l want-r posns)
          (set! (ly:grob-property beam 'quant-score)
                (format "(~S,~S)" want-l want-r)))
-       (set! (ly:grob-property beam 'quant-score) ""))))
+       (set! (ly:grob-property beam 'quant-score) ""))
+
+    posns
+    ))
 
-(define ((check-beam-slope-sign comparison) beam)
+
+(define ((check-beam-slope-sign comparison) beam posns)
   "Check whether the slope of BEAM is correct wrt. COMPARISON."
-  (let* ((posns (ly:grob-property beam 'positions))
-        (slope-sign (- (cdr posns) (car posns)))
+  (let* ((slope-sign (- (cdr posns) (car posns)))
         (correct (comparison slope-sign 0)))
 
     (if (not correct)
@@ -54,22 +47,24 @@
                      (procedure-name comparison) "0" slope-sign)
          (set! (ly:grob-property beam 'quant-score)
                (format "~S 0" (procedure-name comparison))))
-       (set! (ly:grob-property beam 'quant-score) ""))))
 
-(define-public (check-quant-callbacks l r)
-  (list Beam::least_squares
-       Beam::check_concave
-       Beam::slope_damping
-       Beam::shift_region_to_valid
-       Beam::quanting
-       (check-beam-quant l r)))
+       (set! (ly:grob-property beam 'quant-score) ""))
+    posns))
 
 
-(define-public (check-slope-callbacks comparison)
-  (list Beam::least_squares
-       Beam::check_concave
-       Beam::slope_damping
-       Beam::shift_region_to_valid
-       Beam::quanting
-       (check-beam-slope-sign comparison)))
+(define-public (check-quant-callbacks l r)
+  (list ly:beam::calc-least-squares-positions
+       ly:beam::slope-damping
+       ly:beam::shift-region-to-valid
+       ly:beam::quanting
+       (check-beam-quant l r)
+       ))
+                       
 
+(define-public (check-slope-callbacks comparison)
+  (list ly:beam::calc-least-squares-positions
+       ly:beam::slope-damping
+       ly:beam::shift-region-to-valid
+       ly:beam::quanting
+       (check-beam-slope-sign comparison)      
+       ))