Generate special note head shapes - Revision history

Lemzwerg at 15:05, 12 January 2026

2026-01-12T15:05:03Z

← Older revision		Revision as of 15:05, 12 January 2026
Line 1:		Line 1:
	When a note head with a special shape cannot easily be generated with graphic markup, a drawing specification for <code>ly:make-stencil</code> can be used to generate the shape. This ~~example~~ gives an example for a parallelogram-shaped note head.		When a note head with a special shape cannot easily be generated with graphic markup, a drawing specification for <code>ly:make-stencil</code> can be used to generate the shape. This snippet gives an example for a parallelogram-shaped note head.

	Unfortunately, the available commands in a drawing specification are currently not documented (this is tracked in {{Issue\|6874}}); in any case, the used <code>path</code> sub-command has the following signature, quite similar to the <code>make-path-stencil</code> Scheme function.		Unfortunately, the available commands in a drawing specification are currently not documented (this is tracked in {{Issue\|6874}}); in any case, the used <code>path</code> sub-command has the following signature, quite similar to the <code>make-path-stencil</code> Scheme function.

Lemzwerg at 07:47, 6 January 2026

2026-01-06T07:47:32Z

← Older revision		Revision as of 07:47, 6 January 2026
Line 1:		Line 1:
	When a note head with a special shape cannot easily be generated with graphic markup, a drawing specification for <code>ly:make-stencil</code> can be used to generate the shape. This example gives an example for a parallelogram-shaped note head.		When a note head with a special shape cannot easily be generated with graphic markup, a drawing specification for <code>ly:make-stencil</code> can be used to generate the shape. This example gives an example for a parallelogram-shaped note head.

	Unfortunately, the available commands in a drawing specification are ~~[https://gitlab.com/lilypond/lilypond/-/issues/6874~~ currently not documented]; in any case, the used <code>path</code> sub-command has the following signature, quite similar to the <code>make-path-stencil</code> Scheme function.		Unfortunately, the available commands in a drawing specification are currently not documented (this is tracked in {{Issue\|6874}}); in any case, the used <code>path</code> sub-command has the following signature, quite similar to the <code>make-path-stencil</code> Scheme function.

	(path <var>thickness</var> <var>command-list</var> <var>line-cap-style</var> <var>line-join-style</var> <var>fill</var>)		(path <var>thickness</var> <var>command-list</var> <var>line-cap-style</var> <var>line-join-style</var> <var>fill</var>)

Lemzwerg: Lemzwerg moved page Using PostScript to generate special note head shapes to Generate special note head shapes without leaving a redirect

2025-12-12T14:05:02Z

Lemzwerg moved page Using PostScript to generate special note head shapes to Generate special note head shapes without leaving a redirect

← Older revision	Revision as of 14:05, 12 December 2025
(No difference)

Lemzwerg: Fix note head shape; improve documentation

2025-12-12T14:04:42Z

Fix note head shape; improve documentation

← Older revision		Revision as of 14:04, 12 December 2025
Line 1:		Line 1:
	When a note head with a special shape cannot easily be generated with graphic markup, ~~PostScript~~ code can be used to generate the shape. This example ~~shows how~~ a parallelogram-shaped note head ~~is generated~~.		When a note head with a special shape cannot easily be generated with graphic markup, a drawing specification for <code>ly:make-stencil</code> can be used to generate the shape. This example gives an example for a parallelogram-shaped note head.

			Unfortunately, the available commands in a drawing specification are [https://gitlab.com/lilypond/lilypond/-/issues/6874 currently not documented]; in any case, the used <code>path</code> sub-command has the following signature, quite similar to the <code>make-path-stencil</code> Scheme function.

			(path <var>thickness</var> <var>command-list</var> <var>line-cap-style</var> <var>line-join-style</var> <var>fill</var>)

			The commands in <var>command-list</var> resemble PostScript drawing commands but with arguments after the command name.

	<lilypond version="2.24">		<lilypond version="2.24">
	~~%% Updaters remark:~~
	~~%% For unkown reasons this snippet returns a gs-error, but only, if compiled~~
	~~%% with multiple others like: lilypond *.ly~~
	~~%% Thus changing to a path-stencil.~~
	~~%% TODO description needs to get adjusted --harm~~

	parallelogram =		parallelogram =
	#(ly:make-stencil		#(ly:make-stencil
	'(path 0.1		'(path 0.1
	(rmoveto 0 0.25		(rmoveto 0 0.25
	lineto 1.~~3125~~ 0.75		lineto 1.2 0.75
	lineto 1.~~3125~~ -0.25		lineto 1.2 -0.25
	lineto 0 -0.75)		lineto 0 -0.75
	round		lineto 0 0.25)
	round		round
	#t)		round
	(cons 0 1.~~3125~~)		#t)
			(cons -0.05 1.25)
	(cons -.75 .75))		(cons -.75 .75))

Line 32:		Line 33:
	</lilypond>		</lilypond>

			[[Category:Editorial annotations]]
			[[Category:Scheme]]
	[[Category:Tweaks and overrides]]		[[Category:Tweaks and overrides]]
	~~[[Category:Scheme]]~~
	~~[[Category:Editorial annotations]]~~
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]]
	~~[[Category:Really cool]]~~
	[[Category:Snippet]]		[[Category:Snippet]]

Lemzwerg: New category

2025-11-21T23:26:52Z

New category

← Older revision		Revision as of 23:26, 21 November 2025
Line 36:		Line 36:
	[[Category:Editorial annotations]]		[[Category:Editorial annotations]]
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]]
	[[Category:Really cool]][[Category:Snippet]]		[[Category:Really cool]]
			[[Category:Snippet]]

Lemzwerg at 23:02, 21 November 2025

2025-11-21T23:02:14Z

← Older revision		Revision as of 23:02, 21 November 2025
Line 36:		Line 36:
	[[Category:Editorial annotations]]		[[Category:Editorial annotations]]
	[[Category:Included in the official documentation]]		[[Category:Included in the official documentation]]
	[[Category:Really cool]]		[[Category:Really cool]][[Category:Snippet]]

Jean Abou Samra: Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

2025-11-16T18:56:32Z

Replace version="2.24.0" with version="2.24" now that the LilyWiki extension supports auto-selecting the latest release in a stable series

← Older revision		Revision as of 18:56, 16 November 2025
Line 1:		Line 1:
	When a note head with a special shape cannot easily be generated with graphic markup, PostScript code can be used to generate the shape. This example shows how a parallelogram-shaped note head is generated.		When a note head with a special shape cannot easily be generated with graphic markup, PostScript code can be used to generate the shape. This example shows how a parallelogram-shaped note head is generated.

	<lilypond version="2.24.0">		<lilypond version="2.24">
	%% Updaters remark:		%% Updaters remark:
	%% For unkown reasons this snippet returns a gs-error, but only, if compiled		%% For unkown reasons this snippet returns a gs-error, but only, if compiled

Jean Abou Samra: Import snippet from LSR

2025-10-26T22:43:11Z

Import snippet from LSR

New page

When a note head with a special shape cannot easily be generated with graphic markup, PostScript code can be used to generate the shape. This example shows how a parallelogram-shaped note head is generated.

<lilypond version="2.24.0">
%% Updaters remark:
%% For unkown reasons this snippet returns a gs-error, but only, if compiled
%% with multiple others like: lilypond *.ly
%% Thus changing to a path-stencil.
%% TODO description needs to get adjusted --harm

parallelogram =
#(ly:make-stencil
'(path 0.1
(rmoveto 0 0.25
lineto 1.3125 0.75
lineto 1.3125 -0.25
lineto 0 -0.75)
round
round
#t)
(cons 0 1.3125)
(cons -.75 .75))

myNoteHeads = \override NoteHead.stencil = \parallelogram
normalNoteHeads = \revert NoteHead.stencil

\relative c'' {
\myNoteHeads
g4 d'
\normalNoteHeads
<f, \tweak stencil \parallelogram b e>4 d
}
</lilypond>

[[Category:Tweaks and overrides]]
[[Category:Scheme]]
[[Category:Editorial annotations]]
[[Category:Included in the official documentation]]
[[Category:Really cool]]