I wasn't very clear in my first post. I've included an example this time.
I am taking over the bendAfter stencil and drawing something else in its place. However the 'width' calculation in the code below doesn't account for double digit fret numbers. I think it is returning the width of a music note, not the width of a tab note. Changing ly:note-head to ly:tab-note-head doesn't work either.
I have a couple of questions.
1. How do you work out the position of the right side of the tab note head so I can position my markup correctly?
2. Is there a better way to do this or is taking over a stencil the right way to do this? In other words, what is the best way to draw stuff to the left or right of a tab note?
I am only concerned about TabStaff here so if the solution doesn't work for Staff it is not a problem.
Thanks for your help.
\version "2.18.2"
\header {
title = "Test Choke"
}
MUSIC = {
\key g \major
\time 4/4
e'4\2\bendAfter #1 a'4\2\bendAfter #1 s2
}
psBendArrow = #"
0.1 setlinewidth
0.0 -0.75 moveto
0.0 -0.75 0.2 -0.75 0.4 0 curveto
0.4 0.9 lineto
stroke
0.4 1.0 moveto
0.1 0.5 lineto
0.7 0.5 lineto
closepath fill
"
\score
{
\new TabStaff
\with { \omit StringNumber }
{
\tabFullNotation
\numericTimeSignature
\set TabStaff.tablatureFormat = #fret-number-tablature-format-banjo
\set TabStaff.stringTunings = #banjo-open-g-tuning
\override TabStaff.Clef #'stencil = ##f
\override TabStaff.BendAfter #'stencil = #(lambda (grob)
(let* (
(X-extent (ly:stencil-extent (ly:note-head::print grob) 0))
(width (- (cdr X-extent) (car X-extent)))
)
(grob-interpret-markup grob
#{
\markup\concat { \hspace #width \postscript #psBendArrow }
#})))
\MUSIC
}
}
\layout
{
indent = #0
ragged-last = ##t
}
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