3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 2009 Marc Hohl <marc@hohlart.de>
7 ;; default tunings for common string instruments
9 (define-public guitar-tuning '(4 -1 -5 -10 -15 -20))
10 (define-public guitar-seven-string-tuning '(4 -1 -5 -10 -15 -20 -25))
11 (define-public guitar-drop-d-tuning '(4 -1 -5 -10 -15 -22))
12 (define-public guitar-open-g-tuning '(2 -1 -5 -10 -17 -22))
13 (define-public guitar-open-d-tuning '(2 -3 -6 -10 -15 -22))
14 (define-public guitar-dadgad-tuning '(2 -3 -7 -10 -15 -22))
15 (define-public guitar-lute-tuning '(4 -1 -6 -10 -15 -20))
16 (define-public guitar-asus4-tuning '(4 -3 -8 -10 -15 -20))
18 (define-public bass-tuning '(-17 -22 -27 -32))
19 (define-public bass-four-string-tuning '(-17 -22 -27 -32))
20 (define-public bass-drop-d-tuning '(-17 -22 -27 -34))
21 (define-public bass-five-string-tuning '(-17 -22 -27 -32 -37))
22 (define-public bass-six-string-tuning '(-12 -17 -22 -27 -32 -37))
24 (define-public mandolin-tuning '(16 9 2 -5))
25 ;; tunings for 5-string banjo
26 (define-public banjo-open-g-tuning '(2 -1 -5 -10 7))
27 (define-public banjo-c-tuning '(2 -1 -5 -12 7))
28 (define-public banjo-modal-tuning '(2 0 -5 -10 7))
29 (define-public banjo-open-d-tuning '(2 -3 -6 -10 9))
30 (define-public banjo-open-dm-tuning '(2 -3 -6 -10 9))
31 ;; convert 5-string banjo tuning to 4-string by removing the 5th string
32 (define-public (four-string-banjo tuning)
33 (reverse (cdr (reverse tuning))))
35 (define-public ukulele-tuning '(9 4 0 7)) ;ukulele a' e' c' g'
36 (define-public ukulele-d-tuning '(11 6 2 9)) ;ukulele d tuning, b' fis' d' a'
37 (define-public ukulele-tenor-tuning '(-5 0 4 9)) ;tenor ukulele, g c' e' a'
38 (define-public ukulele-baritone-tuning '(-10 -5 -1 4)) ;baritone ukulele, d g b e'
41 ;; for more control over glyph-name calculations,
42 ;; we use a custom callback for tab note heads
43 ;; which will ignore 'style = 'do
44 (define-public (tab-note-head::calc-glyph-name grob)
45 (let ((style (ly:grob-property grob 'style)))
50 ;; ensure we only call note head callback when
52 (define-public (tab-note-head::whiteout-if-style-set grob)
53 (let ((style (ly:grob-property grob 'style)))
55 (if (and (symbol? style)
57 (stencil-whiteout (ly:note-head::print grob))
58 (ly:text-interface::print grob))))
60 ;; definitions for the "moderntab" clef:
61 ;; the "moderntab" clef will be added to the list of known clefs,
62 ;; so it can be used as any other clef: \clef "moderntab"
63 (add-new-clef "moderntab" "markup.moderntab" 0 0 0)
65 ;; define sans serif-style tab-Clefs as a markup:
66 (define-builtin-markup-command (customTabClef
67 layout props num-strings staff-space)
71 "Draw a tab clef sans-serif style."
72 (define (square x) (* x x))
73 (let* ((scale-factor (/ staff-space 1.5))
74 (font-size (- (* num-strings 1.5 scale-factor) 7))
75 (base-skip (* (square (+ (* num-strings 0.195) 0.4)) scale-factor)))
77 (interpret-markup layout props
78 (markup #:vcenter #:bold
79 #:override (cons 'font-family 'sans)
81 #:override (cons 'baseline-skip base-skip)
82 #:left-align #:center-column ("T" "A" "B")))))
84 ;; this function decides which clef to take
85 (define-public (clef::print-modern-tab-if-set grob)
86 (let ((glyph (ly:grob-property grob 'glyph)))
88 ;; which clef is wanted?
89 (if (string=? glyph "markup.moderntab")
90 ;; if it is "moderntab", we'll draw it
91 (let* ((staff-symbol (ly:grob-object grob 'staff-symbol))
92 (line-count (ly:grob-property staff-symbol 'line-count))
93 (staff-space (ly:staff-symbol-staff-space grob)))
95 (grob-interpret-markup grob (make-customTabClef-markup line-count
97 ;; otherwise, we simply use the default printing routine
98 (ly:clef::print grob))))
100 ;; if stems are drawn, it is nice to have a double stem for
101 ;; (dotted) half notes to distinguish them from quarter notes:
102 (define-public (tabvoice::draw-double-stem-for-half-notes grob)
103 (let ((stem (ly:stem::print grob)))
105 ;; is the note a (dotted) half note?
106 (if (= 1 (ly:grob-property grob 'duration-log))
107 ;; yes -> draw double stem
108 (ly:stencil-combine-at-edge stem X RIGHT stem 0.5)
109 ;; no -> draw simple stem
112 ;; as default, the glissando line between fret numbers goes
113 ;; upwards, here we have a function to correct this behavior:
114 (define-public (glissando::calc-tab-extra-dy grob)
115 (let* ((original (ly:grob-original grob))
116 (left-bound (ly:spanner-bound original LEFT))
117 (right-bound (ly:spanner-bound original RIGHT))
118 (left-pitch (ly:event-property (event-cause left-bound) 'pitch))
119 (right-pitch (ly:event-property (event-cause right-bound) 'pitch)))
121 (if (< (ly:pitch-semitones right-pitch) (ly:pitch-semitones left-pitch))
125 ;; for ties in tablature, fret numbers that are tied to should be invisible,
126 ;; except for 'tied to' numbers after a line break;; these will be
127 ;; parenthesized (thanks to Neil for his solution):
128 (define-public (parenthesize-tab-note-head grob)
129 ;; Helper function to parenthesize tab noteheads,
130 ;; since we can't use ParenthesesItem at this stage
131 ;; This is basically the same as the C++ function
132 ;; in accidental.cc, converted to Scheme
133 (let* ((font (ly:grob-default-font grob))
134 (open (stencil-whiteout
135 (ly:font-get-glyph font "accidentals.leftparen")))
136 (close (stencil-whiteout
137 (ly:font-get-glyph font "accidentals.rightparen")))
138 (me (ly:text-interface::print grob)))
140 (ly:stencil-combine-at-edge
141 (ly:stencil-combine-at-edge me X LEFT open) X RIGHT close)))
143 ;; ParenthesesItem doesn't work very well for TabNoteHead, since
144 ;; the parentheses are too small and clash with the staff-lines
145 ;; Define a callback for the 'stencils property which will tweak
146 ;; the parentheses' appearance for TabNoteHead
147 (define-public (parentheses-item::calc-tabstaff-parenthesis-stencils grob)
148 ;; the grob we want to parenthesize
149 (let ((victim (ly:grob-array-ref (ly:grob-object grob 'elements) 0)))
151 ;; check whether it's a note head
152 (if (grob::has-interface victim 'note-head-interface)
154 ;; tweak appearance before retrieving
155 ;; list of stencils '(left-paren right-paren)
156 ;; get the font-size from victim (=TabNoteHead) to handle
157 ;; grace notes properly
158 (ly:grob-set-property! grob 'font-size
159 (ly:grob-property victim 'font-size))
160 (ly:grob-set-property! grob 'padding 0)
161 ;; apply whiteout to each element of the list
162 (map stencil-whiteout
163 (parentheses-item::calc-parenthesis-stencils grob)))
164 (parentheses-item::calc-parenthesis-stencils grob))))
166 ;; the handler for ties in tablature; according to TabNoteHead #'details,
167 ;; the 'tied to' note is handled differently after a line break
168 (define-public (tie::handle-tab-note-head grob)
169 (let* ((original (ly:grob-original grob))
170 (tied-tab-note-head (ly:spanner-bound grob RIGHT))
171 (siblings (if (ly:grob? original)
172 (ly:spanner-broken-into original) '())))
174 (if (and (>= (length siblings) 2)
175 (eq? (car (last-pair siblings)) grob))
176 ;; tie is split -> get TabNoteHead #'details
177 (let* ((details (ly:grob-property tied-tab-note-head 'details))
178 (tied-properties (assoc-get 'tied-properties details '()))
179 (tab-note-head-parenthesized (assoc-get 'parenthesize tied-properties #t))
180 ;; we need the begin-of-line entry in the 'break-visibility vector
181 (tab-note-head-visible
182 (vector-ref (assoc-get 'break-visibility
183 tied-properties #(#f #f #t)) 2)))
185 (if tab-note-head-visible
186 ;; tab note head is visible
187 (if tab-note-head-parenthesized
188 (ly:grob-set-property! tied-tab-note-head 'stencil
190 (parenthesize-tab-note-head grob))))
191 ;; tab note head is invisible
192 (ly:grob-set-property! tied-tab-note-head 'transparent #t)))
194 ;; tie is not split -> make fret number invisible
195 (ly:grob-set-property! tied-tab-note-head 'transparent #t))))
197 ;; repeat ties occur within alternatives in a repeat construct;
198 ;; TabNoteHead #'details handles the appearance in this case
199 (define-public (repeat-tie::handle-tab-note-head grob)
200 (let* ((tied-tab-note-head (ly:grob-object grob 'note-head))
201 (details (ly:grob-property tied-tab-note-head 'details))
202 (repeat-tied-properties (assoc-get 'repeat-tied-properties details '()))
203 (tab-note-head-visible (assoc-get 'note-head-visible repeat-tied-properties #t))
204 (tab-note-head-parenthesized (assoc-get 'parenthesize repeat-tied-properties #t)))
206 (if tab-note-head-visible
207 ;; tab note head is visible
208 (if tab-note-head-parenthesized
209 (ly:grob-set-property! tied-tab-note-head 'stencil
211 (parenthesize-tab-note-head grob))))
212 ;; tab note head is invisible
213 (ly:grob-set-property! tied-tab-note-head 'transparent #t))))
215 ;; the slurs should not be too far apart from the corresponding fret number, so
216 ;; we move the slur towards the TabNoteHeads:
217 (define-public (slur::draw-tab-slur grob)
218 ;; TODO: use a less "brute-force" method to decrease
219 ;; the distance between the slur ends and the fret numbers
220 (let* ((staff-space (ly:staff-symbol-staff-space grob))
221 (control-points (ly:grob-property grob 'control-points))
222 (new-control-points (map
227 (ly:grob-property grob 'direction)
231 (ly:grob-set-property! grob 'control-points new-control-points)
232 (ly:slur::print grob)))