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3.2.9 bar-line-interface

Print a special bar symbol. It replaces the regular bar symbol with a special symbol. The argument bartype is a string which specifies the kind of bar line to print.

The list of allowed glyphs and predefined bar lines can be found in ‘scm/bar-line.scm’.

gap is used for the gaps in dashed bar lines.

User settable properties:

allow-span-bar (boolean)

If false, no inter-staff bar line will be created below this bar line.

bar-extent (pair of numbers)

The Y-extent of the actual bar line. This may differ from Y-extent because it does not include the dots in a repeat bar line.

gap (dimension, in staff space)

Size of a gap in a variable symbol.

glyph (string)

A string determining what ‘style’ of glyph is typeset. Valid choices depend on the function that is reading this property.

In combination with (span) bar lines, it is a string resembling the bar line appearance in ASCII form.

glyph-name (string)

The glyph name within the font.

In the context of (span) bar lines, glyph-name represents a processed form of glyph, where decisions about line breaking etc. are already taken.

hair-thickness (number)

Thickness of the thin line in a bar line, expressed as a multiple of the default staff-line thickness (i.e. the visual output is not influenced by changes to Staff.StaffSymbol.thickness).

kern (dimension, in staff space)

The space between bar lines in any type of double bar, expressed as a multiple of the default staff-line thickness (i.e. the visual output is not influenced by changes to Staff.StaffSymbol.thickness).

rounded (boolean)

Decide whether lines should be drawn rounded or not.

thin-kern (number)

The space after a hair-line in a bar line.

thick-thickness (number)

Thickness of the thick line in a bar line, expressed as a multiple of the default staff-line thickness (i.e. the visual output is not influenced by changes to Staff.StaffSymbol.thickness).

Internal properties:

has-span-bar (pair)

A pair of grobs containing the span bars to be drawn below and above the staff. If no span bar is in a position, the respective element is set to #f.

This grob interface is used in the following graphical object(s): BarLine and SpanBar.

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Internals Reference v2.19.10 (ontwikkelingstak).