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3.1.63 Hairpin

A hairpin. See also DynamicLineSpanner.

Hairpin objects are created by: Dynamic_engraver.

Standard settings:

after-line-breaking (boolean):

ly:spanner::kill-zero-spanned-time

Dummy property, used to trigger callback for after-line-breaking.

bound-padding (number):

1.0

The amount of padding to insert around spanner bounds.

broken-bound-padding (number):

ly:hairpin::broken-bound-padding

The amount of padding to insert when a spanner is broken at a line break.

circled-tip (boolean):

#f

Put a circle at start/end of hairpins (al/del niente).

endpoint-alignments (pair of numbers):
'(-1 . 1)

A pair of numbers representing the alignments of an object’s endpoints. E.g., the ends of a hairpin relative to NoteColumn grobs.

grow-direction (direction):

hairpin::calc-grow-direction

Crescendo or decrescendo?

height (dimension, in staff space):

0.6666

Height of an object in staff-space units.

minimum-length (dimension, in staff space):

2.0

Try to make a spanner at least this long, normally in the horizontal direction. This requires an appropriate callback for the springs-and-rods property. If added to a Tie, this sets the minimum distance between noteheads.

self-alignment-Y (number):

0

Like self-alignment-X but for the Y axis.

springs-and-rods (boolean):

ly:spanner::set-spacing-rods

Dummy variable for triggering spacing routines.

stencil (stencil):

ly:hairpin::print

The symbol to print.

thickness (number):

1.0

For grobs made up of lines, this is the thickness of the line. For slurs and ties, this is the distance between the two arcs of the curve’s outline at its thickest point, not counting the diameter of the virtual “pen” that draws the arcs. This property is expressed as a multiple of the current staff-line thickness (i.e., the visual output is influenced by changes to Staff.StaffSymbol.thickness).

to-barline (boolean):

#t

If true, the spanner will stop at the bar line just before it would otherwise stop.

vertical-skylines (pair of skylines):

#<unpure-pure-container #<program 72cb18096410 5e7e8a4e1960> #<program 72cb18096640 5e7e8a4e18a0> >

Two skylines, one above and one below this grob.

Y-extent (pair of numbers):

#<unpure-pure-container #<program 72cb18173bc0 5e7e8a4f2370> #<program 72cb1816e0c0 5e7e8a4f22e0> >

Extent (size) in the Y direction, measured in staff-space units, relative to object’s reference point.

Y-offset (number):

#<unpure-pure-container #<program 72cb18112cb0 5e7e8a4e2a90> #<program 72cb18112bd0 5e7e8a4e2af0> >

The vertical amount that this object is moved relative to its Y-parent.

This object supports the following interface(s): dynamic-interface, grob-interface, hairpin-interface, line-interface, outside-staff-interface, self-alignment-interface and spanner-interface.

This object is of class Spanner (characterized by spanner-interface).

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LilyPond – Internals Reference v2.24.4 (stable-branch).