X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-lib.scm;h=b93eddaa9ac3d00d089d6b0dbb4987fcd6a83ee0;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=7281fee947a87e0dbb79956746ee14499c402785;hpb=7eaeba29769613cb105e71ac40a71746d1601d90;p=lilypond.git

diff --git a/scm/output-lib.scm b/scm/output-lib.scm
index 7281fee947..b93eddaa9a 100644
--- a/scm/output-lib.scm
+++ b/scm/output-lib.scm
@@ -2,7 +2,7 @@
 ;;;;
 ;;;;  source file of the GNU LilyPond music typesetter
 ;;;; 
-;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2008 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 
@@ -10,6 +10,8 @@
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; general
+(define-public (grob::has-interface grob iface)
+  (memq iface (ly:grob-interfaces grob)))
 
 (define-public (make-stencil-boxer thickness padding callback)
 
@@ -24,15 +26,9 @@
   (lambda (grob) (circle-stencil (callback grob) thickness padding)))
 
 (define-public (print-circled-text-callback grob)
-  (let* ((text (ly:grob-property grob 'text))
-	 
-	 (layout (ly:grob-layout grob))
-	 (defs (ly:output-def-lookup layout 'text-font-defaults))
-	 (props (ly:grob-alist-chain grob defs))
-	 (circle (ly:text-interface::interpret-markup
-		  layout props (make-circle-markup text))))
-    circle))
-
+  (grob-interpret-markup grob (make-circle-markup
+		   (ly:grob-property grob 'text))
+	     ))
 
 (define-public (event-cause grob)
   (let*
@@ -48,14 +44,28 @@
 
 ;; The TabNoteHead tablatureFormat callback.
 ;; Compute the text grob-property
-(define-public (fret-number-tablature-format string tuning pitch)
-  (make-whiteout-markup
-   (make-vcenter-markup  
-    (number->string
-     (- (ly:pitch-semitones pitch)
-	(list-ref tuning
-		  ;; remove 1 because list index starts at 0 and guitar string at 1. 
-		  (- string 1)))))))
+(define-public (fret-number-tablature-format string
+					     context event)
+  (let*
+      ((tuning (ly:context-property context 'stringTunings))
+       (pitch (ly:event-property event 'pitch))
+       (is-harmonic (apply
+		     functional-or
+		     (map
+		      (lambda (ev)
+			(eq? 'harmonic-event (ly:event-property ev 'class)))
+		      (ly:event-property event 'articulations)))))
+
+    
+    (make-whiteout-markup
+     (make-vcenter-markup
+      (format
+       "~a"
+       (- (ly:pitch-semitones pitch)
+	  (list-ref tuning
+		    ;; remove 1 because list index starts at 0 and guitar string at 1. 
+		    (- string 1))))))
+    ))
 
 ;; The 5-string banjo has got a extra string, the fifth (duh), wich
 ;; starts at the fifth fret on the neck. Frets on the fifth string
@@ -63,14 +73,20 @@
 ;;   the "first fret" on the fifth string is really the sixth fret
 ;;   on the banjo neck.
 ;; We solve this by defining a new fret-number-tablature function:
-(define-public (fret-number-tablature-format-banjo string tuning pitch)
+(define-public (fret-number-tablature-format-banjo string 
+					     context event)
+  (let*
+      ((tuning (ly:context-property context 'stringTunings))
+       (pitch (ly:event-property event 'pitch))
+	)
   (make-whiteout-markup
    (make-vcenter-markup  
     (let ((fret (- (ly:pitch-semitones pitch) (list-ref tuning (- string 1)))))
       (number->string (cond
 		       ((and (> fret 0) (= string 5))
 			(+ fret 5))
-		       (else fret)))))))
+		       (else fret))))))
+  ))
 
 
 ; default tunings for common string instruments
@@ -92,14 +108,35 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; note heads
 
-(define-public (note-head::calc-duration-log grob)
+
+(define-public (stem::calc-duration-log grob)
   (ly:duration-log
    (ly:event-property (event-cause grob) 'duration)))
 
+(define-public (note-head::calc-duration-log grob)
+  (min 2 
+       (ly:duration-log
+	(ly:event-property (event-cause grob) 'duration))))
+
 (define-public (dots::calc-dot-count grob)
   (ly:duration-dot-count
    (ly:event-property (event-cause grob) 'duration)))
 
+(define-public (dots::calc-staff-position grob)
+  (let*
+      ((head (ly:grob-parent grob Y))
+       (log (ly:grob-property head 'duration-log)))
+
+    (cond
+     ((or (not (grob::has-interface head 'rest-interface))
+	 (not (integer? log))) 0)
+     ((= log 7) 4)
+     ((> log 4) 3)
+     ((= log 0) -1)
+     ((= log 1) 1)
+     ((= log -1) 1)
+     (else 0))))
+
 (define (note-head::calc-tablature-stem-attachment grob)
   (cons 0.0 1.35))
 
@@ -112,8 +149,15 @@
        (log (min 2 (ly:grob-property grob 'duration-log))))
     
     (case style
+      ;; "default" style is directly handled in note-head.cc as a
+      ;; special case (HW says, mainly for performance reasons).
+      ;; Therefore, style "default" does not appear in this case
+      ;; statement.  -- jr
       ((xcircle) "2xcircle")
       ((harmonic) "0harmonic")
+      ((harmonic-black) "2harmonic")
+      ((harmonic-mixed) (if (<= log 1) "0harmonic"
+                                       "2harmonic"))
       ((baroque) 
        ;; Oops, I actually would not call this "baroque", but, for
        ;; backwards compatibility to 1.4, this is supposed to take
@@ -130,16 +174,6 @@
 	   (string-append (number->string log) (symbol->string style))))
       ((neomensural)
        (string-append (number->string log) (symbol->string style)))
-      ((default)
-       ;; The default font in mf/feta-bolletjes.mf defines a brevis, but
-       ;; neither a longa nor a maxima.  Hence let us, for the moment,
-       ;; take these from the neo-mensural font.  TODO: mf/feta-bolletjes
-       ;; should define at least a longa for the default font.  The longa
-       ;; should look exactly like the brevis of the default font, but
-       ;; with a stem exactly like that of the quarter note. -- jr
-       (if (< log -1)
-	   (string-append (number->string log) "neomensural")
-	   (number->string log)))
       (else
        (if (string-match "vaticana*|hufnagel*|medicaea*" (symbol->string style))
 	   (symbol->string style)
@@ -168,67 +202,79 @@ centered, X==1 is at the right, X == -1 is at the left."
 
 (define-public (first-bar-number-invisible barnum) (> barnum 1))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; percent repeat counters
+
+(define-public ((every-nth-repeat-count-visible n) count context) (= 0 (modulo count n)))
+
+(define-public (all-repeat-counts-visible count context) #t)
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; break visibility
 
-(define-public begin-of-line-visible
-  #(#f #f #t))
-(define-public end-of-line-visible
-  #(#t #f #f))
-(define-public end-of-line-invisible
-  #(#f #t #t))
+(define-public all-visible             #(#t #t #t))
+(define-public begin-of-line-invisible #(#t #t #f))
+(define-public center-invisible        #(#t #f #t))
+(define-public end-of-line-invisible   #(#f #t #t))
+(define-public begin-of-line-visible   #(#f #f #t))
+(define-public center-visible          #(#f #t #f))
+(define-public end-of-line-visible     #(#t #f #f))
+(define-public all-invisible           #(#f #f #f))
+
 (define-public spanbar-begin-of-line-invisible
   #(#t #f #f))
-(define-public all-visible #(#t #t #t))
-(define-public all-invisible #(#f #f #f))
-(define-public begin-of-line-invisible
-  #(#t #t #f))
-(define-public center-invisible #(#t #f #t))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Bar lines.
 
 ;;
 ;; How should a  bar line behave at a break? 
-;;
-;; Why prepend `default-' to every scm identifier?
+(define bar-glyph-alist
+  '((":|:" . (":|" . "|:"))
+    (":|.|:" . (":|" . "|:"))
+    (":|.:" . (":|" . "|:"))
+    ("||:" . ("||" . "|:"))
+    ("dashed" . ("dashed" . '())) 
+    ("|" . ("|" . ()))
+    ("||:" . ("||" . "|:"))
+    ("|s" . (() . "|"))
+    ("|:" . ("|" . "|:"))
+    ("|." . ("|." . ()))
+    
+    ;; hmm... should we end with a bar line here?
+    (".|" . ("|" . ".|"))
+    (":|" . (":|" . ()))
+    ("||" . ("||" . ()))
+    (".|." . (".|." . ()))
+    ("|.|" . ("|.|" . ()))
+    ("" . ("" . ""))
+    (":" . (":" . ""))
+    ("." . ("." . ()))
+    ("empty" . (() . ()))
+    ("brace" . (() . "brace"))
+    ("bracket" . (() . "bracket")) 
+    ))
+
 (define-public (bar-line::calc-glyph-name grob)
   (let* (
 	 (glyph (ly:grob-property grob 'glyph))
 	 (dir (ly:item-break-dir grob))
-	 (result (assoc glyph 
-		       '((":|:" . (":|" . "|:"))
-			 ("||:" . ("||" . "|:"))
-			 ("dashed" . ("dashed" . '())) 
-			 ("|" . ("|" . ()))
-			 ("||:" . ("||" . "|:"))
-			 ("|s" . (() . "|"))
-			 ("|:" . ("|" . "|:"))
-			 ("|." . ("|." . ()))
-
-			 ;; hmm... should we end with a bar line here?
-			 (".|" . ("|" . ".|"))
-			 (":|" . (":|" . ()))
-			 ("||" . ("||" . ()))
-			 (".|." . (".|." . ()))
-			 ("" . ("" . ""))
-			 (":" . (":" . ""))
-			 ("." . ("." . ()))
-			 ("empty" . (() . ()))
-			 ("brace" . (() . "brace"))
-			 ("bracket" . (() . "bracket"))  )))
+	 (result (assoc glyph  bar-glyph-alist))
 	 (glyph-name (if (= dir CENTER)
 			 glyph
 		         (if (and result (string? (index-cell (cdr result) dir)))
 			     (index-cell (cdr result) dir)
 			     #f)))
 	 )
-
-    (if (not glyph-name)
-	(ly:grob-suicide! grob))
-
     glyph-name))
 
+(define-public (bar-line::calc-break-visibility grob)
+  (let* ((glyph (ly:grob-property grob 'glyph))
+	 (result (assoc glyph bar-glyph-alist)))
+    (if result
+	(vector (string? (cadr result)) #t (string? (cddr result)))
+	#(#f #f #f))))
+
 
 (define-public (shift-right-at-line-begin g)
   "Shift an item to the right, but only at the start of the line."
@@ -241,23 +287,21 @@ centered, X==1 is at the right, X == -1 is at the left."
 ;; Tuplets
 
 (define-public (tuplet-number::calc-denominator-text grob)
-  (let*
-      ((ev (ly:grob-property grob 'cause)))
-    
-    (number->string (ly:event-property ev 'denominator))))
-
+  (number->string (ly:event-property (event-cause grob) 'denominator)))
 
 (define-public (tuplet-number::calc-fraction-text grob)
   (let*
-      ((ev (ly:grob-property grob 'cause)))
+      ((ev (event-cause grob)))
+
     (format "~a:~a" 
-      (ly:event-property ev 'denominator)
-      (ly:event-property ev 'numerator))))
+	    (ly:event-property ev 'denominator)
+	    (ly:event-property ev 'numerator))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Color
 
 (define-public color? list?)
+(define-public (rgb-color r g b) (list r g b))
 
 ; predefined colors
 (define-public black       '(0.0 0.0 0.0))
@@ -277,10 +321,148 @@ centered, X==1 is at the right, X == -1 is at the left."
 (define-public darkmagenta '(0.5 0.0 0.5))
 (define-public darkyellow  '(0.5 0.5 0.0))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; key signature
+
+
+(define-public (key-signature-interface::alteration-position step alter c0-position)
+  ;; TODO: memoize - this is mostly constant.
+  
+  ;; fes, ges, as and bes typeset in lower octave
+  (define FLAT_TOP_PITCH 2)
+  
+  ;; ais and bis typeset in lower octave
+  (define SHARP_TOP_PITCH 4)
+
+  (if (pair? step)
+      (+ (cdr step) (* (car step) 7)  c0-position)
+      (let*
+	  ((from-bottom-pos (modulo (+ 4 49 c0-position)  7))
+	   (p step)
+	   (c0 (- from-bottom-pos  4)))
+	
+	(if
+	 (or (and (< alter 0) (or (> p FLAT_TOP_PITCH) (> (+ p c0) 4)) (> (+ p c0) 1))
+	     (and (> alter 0) (or (> p SHARP_TOP_PITCH) (> (+ p c0) 5)) (> (+ p c0) 2))
+	     )
+
+	 ;; Typeset below c_position 
+	 (set! p (- p 7)))
+
+	;; Provide for the four cases in which there's a glitch
+	;; it's a hack, but probably not worth
+	;; the effort of finding a nicer solution.
+	;; --dl. 
+	(cond
+	 ((and (= c0 2) (= p 3) (> alter 0))
+	  (set! p (- p 7)))
+	 ((and (= c0 -3) (= p -1) (> alter 0))
+	  (set! p (+ p 7)))
+	 ((and (= c0 -4) (= p -1) (< alter 0))
+	  (set! p (+ p 7)))
+	 ((and (= c0 -2) (= p -3) (< alter 0))
+	  (set! p (+ p 7))))
+
+	(+ c0 p))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; accidentals
+
+(define-public (accidental-interface::calc-alteration grob)
+  (ly:pitch-alteration  (ly:event-property (event-cause grob) 'pitch)))
+
+
+(define-public cancellation-glyph-name-alist
+  '((0 . "accidentals.natural")))
+
+(define-public standard-alteration-glyph-name-alist
+     '(
+       ;; ordered for optimal performance.
+       (0 . "accidentals.natural")
+       (-1/2 . "accidentals.flat")
+       (1/2 . "accidentals.sharp")
+
+       (1 . "accidentals.doublesharp")
+       (-1 . "accidentals.flatflat")
+       
+       (3/4 . "accidentals.sharp.slashslash.stemstemstem")
+       (1/4 . "accidentals.sharp.slashslash.stem")
+       (-1/4 . "accidentals.mirroredflat")
+       (-3/4 . "accidentals.mirroredflat.flat")
+       ))
+
+;; FIXME: standard vs default, alteration-FOO vs FOO-alteration
+(define-public alteration-default-glyph-name-alist standard-alteration-glyph-name-alist)
+
+(define-public makam-alteration-glyph-name-alist
+     '((1 . "accidentals.doublesharp")
+       (8/9 . "accidentals.sharp.slashslashslash.stemstem")
+       (5/9 . "accidentals.sharp.slashslashslash.stem")
+       (4/9 . "accidentals.sharp")
+       (1/9 . "accidentals.sharp.slashslash.stem")
+       (0 . "accidentals.natural")
+       (-1/9 . "accidentals.mirroredflat")
+       (-4/9 . "accidentals.flat.slash")
+       (-5/9 . "accidentals.flat")
+       (-8/9 . "accidentals.flat.slashslash")
+       (-1 . "accidentals.flatflat")
+       ))
+  
+(define-public alteration-hufnagel-glyph-name-alist
+   '((-1/2 . "accidentals.hufnagelM1")
+     (0 . "accidentals.vaticana0")
+     (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-medicaea-glyph-name-alist
+   '((-1/2 . "accidentals.medicaeaM1")
+     (0 . "accidentals.vaticana0")
+     (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-vaticana-glyph-name-alist
+   '((-1/2 . "accidentals.vaticanaM1")
+     (0 . "accidentals.vaticana0")
+     (1/2 . "accidentals.mensural1")))
+
+(define-public alteration-mensural-glyph-name-alist
+   '((-1/2 . "accidentals.mensuralM1")
+     (0 . "accidentals.vaticana0")
+     (1/2 . "accidentals.mensural1")))
+
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; * Pitch Trill Heads
 ;; * Parentheses
 
+(define-public (parentheses-item::calc-parenthesis-stencils grob)
+  (let* ((font (ly:grob-default-font grob))
+	 (lp (ly:font-get-glyph font "accidentals.leftparen"))
+	 (rp (ly:font-get-glyph font "accidentals.rightparen")))
+
+    (list lp rp)))
+
+
+(define-public (grob-interpret-markup grob text)
+  (let*
+      ((layout (ly:grob-layout grob))
+       (defs (ly:output-def-lookup layout 'text-font-defaults))
+       (props (ly:grob-alist-chain grob defs)))
+
+    (ly:text-interface::interpret-markup
+     layout props text)))
+
+(define-public (parentheses-item::calc-angled-bracket-stencils grob)
+  (let* (
+	 (font (ly:grob-default-font grob))
+	 (lp (ly:stencil-aligned-to (ly:stencil-aligned-to (grob-interpret-markup grob (ly:wide-char->utf-8 #x2329))
+							   Y CENTER)  X RIGHT))
+	 (rp (ly:stencil-aligned-to (ly:stencil-aligned-to (grob-interpret-markup grob (ly:wide-char->utf-8 #x232A))
+							   Y CENTER) X LEFT))
+	 )
+
+    (list (stencil-whiteout lp)
+	  (stencil-whiteout rp))))
+
 (define (parenthesize-elements grob . rest)
   (let*
       ((refp (if (null? rest)
@@ -288,10 +470,9 @@ centered, X==1 is at the right, X == -1 is at the left."
 		 (car rest)))
        (elts (ly:grob-object grob 'elements))
        (x-ext (ly:relative-group-extent elts refp X))
-
-       (font (ly:grob-default-font grob))
-       (lp (ly:font-get-glyph font "accidentals.leftparen"))
-       (rp (ly:font-get-glyph font "accidentals.rightparen"))
+       (stencils (ly:grob-property grob 'stencils))
+       (lp (car stencils))
+       (rp (cadr stencils))
        (padding (ly:grob-property grob 'padding 0.1)))
     
     (ly:stencil-add
@@ -319,8 +500,7 @@ centered, X==1 is at the right, X == -1 is at the left."
        (ly:grob-relative-coordinate me y-ref Y))))
     ))
 
-       
-       
+
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; 
@@ -334,12 +514,19 @@ centered, X==1 is at the right, X == -1 is at the left."
   value)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; falls
+;; falls/doits
 
-(define-public (fall::print spanner)
+(define-public (bend::print spanner)
+  (define (close  a b)
+    (< (abs (- a b)) 0.01))
+  
   (let*
       ((delta-y (* 0.5 (ly:grob-property spanner 'delta-position)))
        (left-span (ly:spanner-bound spanner LEFT))
+       (dots (if (and (grob::has-interface left-span 'note-head-interface)
+		      (ly:grob? (ly:grob-object left-span 'dot)))
+		 (ly:grob-object left-span 'dot) #f))
+		 
        (right-span (ly:spanner-bound spanner RIGHT))
        (thickness (* (ly:grob-property spanner 'thickness)
 		     (ly:output-def-lookup (ly:grob-layout spanner)
@@ -347,10 +534,22 @@ centered, X==1 is at the right, X == -1 is at the left."
        (padding (ly:grob-property spanner 'padding 0.5))
        (common (ly:grob-common-refpoint right-span
 					(ly:grob-common-refpoint spanner
-						left-span X)
+								 left-span X)
 					X))
-       (left-x (+ padding  (interval-end  (ly:grob-robust-relative-extent left-span common X))))
-       (right-x (- (interval-start  (ly:grob-robust-relative-extent right-span common X)) padding))
+       (common-y (ly:grob-common-refpoint spanner left-span Y))
+       (left-x (+ padding
+		  (max (interval-end (ly:grob-robust-relative-extent
+				      left-span common X))
+		        (if (and
+			     dots
+			     (close (ly:grob-relative-coordinate dots common-y Y)
+					(ly:grob-relative-coordinate spanner common-y Y)))
+			    (interval-end (ly:grob-robust-relative-extent dots common X))
+			    -10000) ;; TODO: use real infinity constant.
+			)))
+       (right-x (- (interval-start
+		    (ly:grob-robust-relative-extent right-span common X))
+		   padding))
        (self-x (ly:grob-relative-coordinate spanner common X))
        (dx (- right-x left-x))
        (exp (list 'path thickness 
@@ -363,12 +562,11 @@ centered, X==1 is at the right, X == -1 is at the left."
 		     0
 		     ,dx ,(* 0.66 delta-y)
 		     ,dx ,delta-y
-		     ))))
-       )
+		     )))))
 
     (ly:make-stencil
      exp
-     (cons 0 dx)
+     (cons (- left-x self-x) (- right-x self-x))
      (cons (min 0 delta-y)
 	   (max 0 delta-y)))))
 
@@ -381,8 +579,10 @@ centered, X==1 is at the right, X == -1 is at the left."
      ((cols (ly:grob-object grob 'columns))
       (get-difference
        (lambda (idx)
-	 (ly:moment-sub (ly:grob-property (ly:grob-array-ref cols (1+ idx)) 'when)
-			(ly:grob-property (ly:grob-array-ref cols idx) 'when))))
+	 (ly:moment-sub (ly:grob-property
+			 (ly:grob-array-ref cols (1+ idx)) 'when)
+			(ly:grob-property
+			 (ly:grob-array-ref cols idx) 'when))))
       
       (moment-min (lambda (x y)
 		    (cond
@@ -403,20 +603,70 @@ centered, X==1 is at the right, X == -1 is at the left."
 
 (define-public (fingering::calc-text grob)
   (let*
-      ((event (ly:grob-property grob 'cause))
+      ((event (event-cause grob))
        (digit (ly:event-property event 'digit)))
     
     (if (> digit 5)
-	(ly:input-message (ly:music-property event 'origin)
-			  "Music for the martians"))
+	(ly:input-message (ly:event-property event 'origin)
+			  "Warning: Fingering notation for finger number ~a" digit))
 
     (number->string digit 10)
   ))
 
 (define-public (string-number::calc-text grob)
   (let*
-      ((event (ly:grob-property grob 'cause))
-       (digit (ly:event-property event 'string-number)))
+      ((digit (ly:event-property (event-cause  grob) 'string-number)))
     
     (number->string digit 10)
   ))
+
+
+(define-public (stroke-finger::calc-text grob)
+  (let*
+      ((digit (ly:event-property (event-cause grob) 'digit))
+       (text (ly:event-property (event-cause grob) 'text)))
+
+    (if (string? text)
+	text
+	(vector-ref (ly:grob-property grob 'digit-names)  (1- (max (min 5 digit) 1))))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; dynamics
+(define-public (hairpin::calc-grow-direction grob)
+  (if (eq? (ly:event-property (event-cause grob) 'class) 'decrescendo-event)
+      START
+      STOP
+      ))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; lyrics
+
+(define-public (lyric-text::print grob)
+  "Allow interpretation of tildes as lyric tieing marks."
+  
+  (let*
+      ((text (ly:grob-property grob 'text)))
+
+    (grob-interpret-markup grob 
+	       (if (string? text)
+		   (make-tied-lyric-markup text)
+		   text))))
+
+(define-public ((grob::calc-property-by-copy prop) grob)
+  (ly:event-property (event-cause grob) prop))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; fret boards
+
+(define-public (fret-board::calc-stencil grob)
+    (grob-interpret-markup 
+      grob
+      (make-fret-diagram-verbose-markup
+        (ly:grob-property grob 'dot-placement-list))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; scripts
+
+(define-public (script-interface::calc-x-offset grob)
+  (ly:grob-property grob 'positioning-done)
+  (ly:self-alignment-interface::centered-on-x-parent grob))