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3.2.9 bar-line-interface
Bar line.
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. Options are |
, :|
, |:
, :|:
, :|.|:
, :|.:
, .
, ||
, |.
, .|
, .|.
, |.|
, :
, dashed
, '
and S
.
These produce, respectively, a normal bar line, a right repeat, a left repeat, a thick double repeat, a thin-thick-thin double repeat, a thin-thick double repeat, a thick bar, a double bar, a start bar, an end bar, a thick double bar, a thin-thick-thin bar, a dotted bar, a dashed bar, a tick as bar line and a segno bar.
In addition, there is an option ||:
which is equivalent to |:
except at line breaks, where it produces a double bar (||
) at the end of the line and a repeat sign (|:
) at the beginning of the new line.
For segno, S
produces a segno sign except at line breaks, where it produces a double bar (||
) at the end of the line and a segno sign at the beginning of the new line. |S
is equivalent to S
but produces a simple bar line (|
) instead of a double bar line (||
) at line breaks. S|
produces the segno sign at line breaks and starts the following line without special bar lines.
S|:
and :|S
are used for repeat/segno combinations that are separated at line breaks. Alternatively, .S|:
and :|S.
may be used which combine repeat signs and segno at the same line in case of a line break. :|S|:
is a combination of a left repeat (:|
), a segno (S
) and a right repeat |:
which splits before the segno at line breaks; :|S.|:
splits after the segno sign.
If bartype is set to empty
then nothing is printed, but a line break is allowed at that spot.
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.
gap
(dimension, in staff space)Size of a gap in a variable symbol.
kern
(dimension, in staff space)Amount of extra white space to add. For bar lines, this is the amount of space after a thick line.
thin-kern
(number)The space after a hair-line in a bar line.
hair-thickness
(number)Thickness of the thin line in a bar line.
thick-thickness
(number)Bar line thickness, measured in
line-thickness
.glyph
(string)A string determining what ‘style’ of glyph is typeset. Valid choices depend on the function that is reading this property.
glyph-name
(string)The glyph name within the font.
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.
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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