LedgerLineSpanner

LedgerLineSpanner objects are created by: Ledger_line_engraver

Standard settings:

print-function (procedure):

Ledger_line_spanner::print

Function taking grob as argument, returning a Stencil object.

X-extent-callback (procedure):

#f

Procedure that calculates the extent of this object. If this value is set to #f, the object is empty in the X direction. The procedure takes a grob and axis argument, and returns a number-pair.

Y-extent-callback (procedure):

#f

see X-extent-callback.

minimum-length-fraction (number):

0.25

Minimum length of ledger line as fraction of note head size.

length-fraction (number):

0.25

Length of ledger line as fraction of note head size.

spacing-procedure (procedure):

Ledger_line_spanner::set_spacing_rods

Procedure for calculating spacing parameters. The routine is called after before-line-breaking-callback.

print-function (procedure):

Ledger_line_spanner::print

Function taking grob as argument, returning a Stencil object.

layer (number):

0

The output layer [0..2]: layers define the order of printing objects. Objects in lower layers are overprinted by objects in higher layers.

This object supports the following interfaces: ledger-line-interface, spanner-interface and grob-interface

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