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<h4 class="unnumberedsubsec">line-interface</h4>
<p>Generic line objects. Any object using lines supports this. The property <code>style</code> can be <code>line</code>, <code>dashed-line</code>, <code>trill</code>, <code>dotted-line</code> or <code>zigzag</code>.
<p>For <code>dashed-line</code>, the length of the dashes is tuned with <code>dash-fraction</code>. If the latter is set to 0, a dotted line is produced. If <code>dash-period</code> is negative, the line is made transparent.
<h5 class="unnumberedsubsubsec">User settable properties:</h5>
<blockquote>
<dl>
<dt><code>arrow-length</code> (number)<dd>Arrow length.
<br><dt><code>arrow-width</code> (number)<dd>Arrow width.
<br><dt><code>dash-fraction</code> (number)<dd>Size of the dashes, relative to
<code>dash-period</code>. Should be between <code>0.0</code> (no line) and
<code>1.0</code> (continuous line).
<br><dt><code>dash-period</code> (number)<dd>The length of one dash together with
whitespace. If negative, no line is drawn at all.
<br><dt><code>style</code> (symbol)<dd>This setting determines in what style a grob is
typeset. Valid choices depend on the <code>stencil</code> callback reading
this property.
<br><dt><code>thickness</code> (number)<dd>Line thickness, generally measured in
<code>line-thickness</code>.
<br><dt><code>zigzag-length</code> (dimension, in staff space)<dd>The length of the lines of a
zigzag, relative to <code>zigzag-width</code>. A value of <code>1</code>
gives 60-degree zigzags.
<br><dt><code>zigzag-width</code> (dimension, in staff space)<dd>The width of one zigzag squiggle.
This number is adjusted slightly so that the glissando line can
be constructed from a whole number of squiggles.
</dl>
</blockquote>
<p>This grob interface is used in the following graphical object(s): <a href="DynamicTextSpanner.fr.html#DynamicTextSpanner">DynamicTextSpanner</a>, <a href="Glissando.fr.html#Glissando">Glissando</a>, <a href="Hairpin.fr.html#Hairpin">Hairpin</a>, <a href="HorizontalBracket.fr.html#HorizontalBracket">HorizontalBracket</a>, <a href="LigatureBracket.fr.html#LigatureBracket">LigatureBracket</a>, <a href="OttavaBracket.fr.html#OttavaBracket">OttavaBracket</a>, <a href="PianoPedalBracket.fr.html#PianoPedalBracket">PianoPedalBracket</a>, <a href="TrillSpanner.fr.html#TrillSpanner">TrillSpanner</a>, <a href="TupletBracket.fr.html#TupletBracket">TupletBracket</a>, <a href="VoiceFollower.fr.html#VoiceFollower">VoiceFollower</a> and <a href="VoltaBracket.fr.html#VoltaBracket">VoltaBracket</a>.
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