Web-ja: update introduction

[lilypond.git] / ly / grace-init.ly

diff --git a/ly/grace-init.ly b/ly/grace-init.ly
index 09db889aca50af165412044023f16a124542fe41..a46111e4d91a2a62d36c6595b7a9e88da3047738 100644 (file)
--- a/ly/grace-init.ly
+++ b/ly/grace-init.ly
@@ -1,82 +1,38 @@
-\version "1.5.68"
+\version "2.17.6"
 
-startGraceMusic = {
-    \property Voice.Stem \override  #'direction = #1
-    \property Voice.Stem \override #'lengths = 
-        #(map (lambda (x) (* 0.8 x)) '(2.5 2.5 3.0 4.0 5.0))
-    \property Voice.Stem \override #'stem-shorten = 
-        #'(0.4 0)
-    \property Voice.Stem \override #'beamed-lengths =
-        #(map (lambda (x) (* 0.8 x)) '(3.26))
-    \property Voice.Stem \override #'beamed-minimum-free-lengths =
-        #(map (lambda (x) (* 0.8 x)) '(2.5 2.0 1.5))
-    \property Voice.Stem \override #'beamed-extreme-minimum-free-lengths =
-        #(map (lambda (x) (* 0.8 x)) '(1.83 1.5))
+startGraceSlur = #(make-music 'SlurEvent 'span-direction START 'spanner-id 'grace)
+stopGraceSlur = #(make-music 'SlurEvent 'span-direction STOP 'spanner-id 'grace)
 
-    \property Voice.Stem \override #'no-stem-extend = ##t
-    \property Voice.Stem \override #'stroke-style  = #"grace"
-    \property Voice.Beam \override #'thickness = #0.384
-    
-    %% Instead of calling Beam::space_function, we should invoke
-    %% the previously active beam function...
-    \property Voice.Beam \override #'space-function =
-      #(lambda (beam mult) (* 0.8 (Beam::space_function beam mult)))
 
-    \property Voice.Beam \override #'position-callbacks =
-      #`(,Beam::least_squares
-        ,Beam::check_concave
-        ,Beam::slope_damping)
-    
-    % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
-    % be smaller as well.
+startGraceMusic =  {
+}
 
-    \property Voice.fontSize = #-2
-    \property Staff.Accidental \override #'font-relative-size = #-2
-    \property Voice.Slur \override #'direction = #-1
+stopGraceMusic =  {
 }
 
+startAppoggiaturaMusic =
+{
+    <>\startGraceSlur
+}
 
-%% attention: order is significant: reversed from above
-%% (consistent ordering reduces memory usage.)
-stopGraceMusic = {
-    \property Voice.Slur \revert #'direction
-    \property Staff.Accidental \revert #'font-relative-size
-    \property Voice.Beam \revert #'thickness
+stopAppoggiaturaMusic =  {
+    <>\stopGraceSlur
+}
 
-    \property Voice.Stem \revert #'stroke-style
-    \property Voice.Stem \revert #'no-stem-extend
-    \property Voice.Stem \revert #'beamed-extreme-minimum-free-lengths
-    \property Voice.Stem \revert #'beamed-minimum-free-lengths
-    \property Voice.Stem \revert #'beamed-lengths
-    \property Voice.Stem \revert #'stem-shorten
-    \property Voice.Stem \revert #'lengths
-    \property Voice.Stem \revert #'direction    
-    \property Voice.Beam \revert #'space-function
-    
-    \property Voice.Beam \revert #'position-callbacks
-    
-    % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
-    % be smaller as well.
+startAcciaccaturaMusic =  {
+    <>\startGraceSlur
+    \temporary \override Flag.stroke-style = #"grace"
+}
 
-    \property Voice.fontSize \unset
+stopAcciaccaturaMusic =  {
+    \revert Flag.stroke-style
+    <>\stopGraceSlur
 }
 
-#(define (add-to-grace-init context object prop val)
-   " Override context.object #'property before entering grace context,
-and restore afterwards. Use this to add settings to default grace notes.
-"
-   (set! stopGraceMusic
-    (make-sequential-music
-     (cons
-      (context-spec-music  (make-grob-property-revert object prop) context)
-      (ly-get-mus-property stopGraceMusic 'elements)
-     )))
-   (set! startGraceMusic
-    (make-sequential-music
-     (append
-      (ly-get-mus-property startGraceMusic 'elements)
-      (list (context-spec-music  (make-grob-property-set object prop val) context))
-      )
-     )))
-   
+startSlashedGraceMusic =  {
+  \temporary \override Flag.stroke-style = #"grace"
+}
 
+stopSlashedGraceMusic =  {
+  \revert Flag.stroke-style
+}