<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <!-- header_tag --> <html lang="en"> <head> <title>Key_engraver - LilyPond program-reference</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="description" content="LilyPond program-reference"> <meta name="generator" content="makeinfo 4.11"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Engravers-and-Performers.html#Engravers-and-Performers" title="Engravers and Performers"> <link rel="prev" href="Instrument_005fswitch_005fengraver.html#Instrument_005fswitch_005fengraver" title="Instrument_switch_engraver"> <link rel="next" href="Key_005fperformer.html#Key_005fperformer" title="Key_performer"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } hr { border:0; height:1; color: #000000; background-color: #000000; } /* hr { border: none; height: 1px; color: #666666; background-color: #666666; } body { border-left: 1px solid #666666; border-right: 1px solid #666666; color: #332d28; margin-right: auto; margin-left: auto; width: 60em; list-style-type: square; font-family: Arial,Helvetica,sans-serif; padding-right: 1em; padding-left: 1em; } a { border-bottom: 1px dashed #344242; text-decoration: none; color: #344242; } a:link { text-decoration: none; } a:visited { border-bottom: 1px dashed #666666; color: #666666; } a:active { border-bottom: 1px solid #00cccc; color: #00cccc; } a:hover { border-bottom: 1px solid #1d7b85; color: #1d7b85; } blockquote { border: 1px solid #cccccc; padding: 3px; width: 40em; } .node { border-left: 1px solid #666666; margin: -0.5em 0px 1em; padding: 2px 1px 0px; font-style: italic; } .node a { border: none; text-decoration: underline; font-style: normal; font-weight: bold; } .verbatim { font-family: "Courier New",Courier,monospace; } .unnumberedsubsubsec { font-size: large; color: #1d7b85; } .subsubheading { font-size: large; color: #3b220d; } .contents { border: 1px dashed #339999; margin: 3px 2em; list-style-type: square; padding-right: 1em; width: 40em; background-color: #fcfff9; } .contents a { border-bottom: 1px dashed #423d34; text-decoration: none; color: #423d34; } .contents a:visited { border-bottom: 1px dashed #666666; color: #666666; } .contents a:active { border-bottom: 1px solid #f0d86d; color: #f0d86d; } .contents a:hover { border-bottom: 1px solid #3b220d; color: #3b220d; } .menu { border-left: 1px dashed #339999; margin: 3px 2em 1em; list-style-type: square; padding-left: 1.4em; width: 40em; } .unnumbered { } h2 { font-size: x-large; color: #1d7b85; } */ --></style> </head> <BODY BGCOLOR=WHITE TEXT=BLACK> <div class="node"> <p> <a name="Key_engraver"></a> <a name="Key_005fengraver"></a> Next: <a rel="next" accesskey="n" href="Key_005fperformer.html#Key_005fperformer">Key_performer</a>, Previous: <a rel="previous" accesskey="p" href="Instrument_005fswitch_005fengraver.html#Instrument_005fswitch_005fengraver">Instrument_switch_engraver</a>, Up: <a rel="up" accesskey="u" href="Engravers-and-Performers.html#Engravers-and-Performers">Engravers and Performers</a> <hr> </div> <h4 class="unnumberedsubsec">Key_engraver</h4> <p>Engrave a key signature. <p>Music types accepted: <p><a href="key_002dchange_002devent.html#key_002dchange_002devent">key-change-event</a> <p>Properties (read) <blockquote> <dl> <dt><code>createKeyOnClefChange</code> (boolean)<dd>Print a key signature whenever the clef is changed. <br><dt><code>explicitKeySignatureVisibility</code> (vector)<dd>‘<samp><span class="samp">break-visibility</span></samp>’ function for explicit key changes. ‘<samp><span class="samp">\override</span></samp>’ of the <code>break-visibility</code> property will set the visibility for normal (i.e., at the start of the line) key signatures. <br><dt><code>extraNatural</code> (boolean)<dd>Whether to typeset an extra natural sign before accidentals changing from a non-natural to another non-natural. <br><dt><code>keyAlterationOrder</code> (list)<dd>An alist that defines in what order alterations should be printed. The format is <code>(</code><var>step</var><code> . </code><var>alter</var><code>)</code>, where <var>step</var> is a number from 0 to 6 and <var>alter</var> from -2 (sharp) to 2 (flat). <br><dt><code>keySignature</code> (list)<dd>The current key signature. This is an alist containing <code>(</code><var>step</var><code> . </code><var>alter</var><code>)</code> or <code>((</code><var>octave</var><code> . </code><var>step</var><code>) . </code><var>alter</var><code>)</code>, where <var>step</var> is a number in the range 0 to 6 and <var>alter</var> a fraction, denoting alteration. For alterations, use symbols, e.g. <code>keySignature = #`((6 . ,FLAT))</code>. <br><dt><code>lastKeySignature</code> (list)<dd>Last key signature before a key signature change. <br><dt><code>printKeyCancellation</code> (boolean)<dd>Print restoration alterations before a key signature change. </dl> </blockquote> Properties (write) <blockquote> <dl> <dt><code>keySignature</code> (list)<dd>The current key signature. This is an alist containing <code>(</code><var>step</var><code> . </code><var>alter</var><code>)</code> or <code>((</code><var>octave</var><code> . </code><var>step</var><code>) . </code><var>alter</var><code>)</code>, where <var>step</var> is a number in the range 0 to 6 and <var>alter</var> a fraction, denoting alteration. For alterations, use symbols, e.g. <code>keySignature = #`((6 . ,FLAT))</code>. <br><dt><code>lastKeySignature</code> (list)<dd>Last key signature before a key signature change. <br><dt><code>tonic</code> (pitch)<dd>The tonic of the current scale. </dl> </blockquote> <p>This engraver creates the following layout object(s): <p><a href="KeySignature.html#KeySignature">KeySignature</a>. <p><code>Key_engraver</code> is part of the following context(s): <a href="GregorianTranscriptionStaff.html#GregorianTranscriptionStaff">GregorianTranscriptionStaff</a>, <a href="MensuralStaff.html#MensuralStaff">MensuralStaff</a>, <a href="Staff.html#Staff">Staff</a> and <a href="VaticanaStaff.html#VaticanaStaff">VaticanaStaff</a>. <!-- footer_tag --><br><hr> <div class="node"> <p> <a name="Key_005fengraver"></a> Next: <a rel="next" accesskey="n" href="Key_005fperformer.html#Key_005fperformer">Key_performer</a>, Previous: <a rel="previous" accesskey="p" href="Instrument_005fswitch_005fengraver.html#Instrument_005fswitch_005fengraver">Instrument_switch_engraver</a>, Up: <a rel="up" accesskey="u" href="Engravers-and-Performers.html#Engravers-and-Performers">Engravers and Performers</a> </div> <div style="background-color: #e8ffe8; padding: 2; border: #c0ffc0 1px solid;"> <p> <font size="-1"> This page is for LilyPond-2.11.57 (development-branch). <br> <address> Report errors to <a href="http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs">http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs</a>. </address> <br> Your <a href="http://lilypond.org/web/devel/participating/documentation-adding">suggestions for the documentation</a> are welcome. </font> </p> </div> </BODY></html>