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Function to create WYGIWYM chord names: Difference between revisions

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This function is an update to an earlier version which can be found here: http://lists.gnu.org/archive/html/lilypond-user/2009-02/msg00293.html
This function is an update to an earlier version which can be found here: http://lists.gnu.org/archive/html/lilypond-user/2009-02/msg00293.html


The function is customised to work with a special font which can also be found in the above link. It shouldn't be too difficult to get the function to work with other fonts.
The function is customised to work with a special font that can also be found in the above link. It shouldn't be too difficult to get the function to work with other fonts.


I created this function because the internal ChordNames context generates chord symbols only by chord entry ( <code>&lt;c e g&gt;</code> ) which often leads to misinterpretation and strange chord symbols are the result.
I created this function because the <code>ChordNames</code> context generates chord symbols only by chord entry (<code><c e g></code>), which often leads to misinterpretation and strange chord symbols as a result.


What this function basically does is taking note-input and converting it to a lyric-context. For example <code>c-&quot;7&quot;</code> will print C7 chord symbol.
What this function basically does is taking note-input and converting it to a <code>Lyrics</code> context. For example, <code>c-"7"</code> will print the C7 chord symbol.


The advantage of this function is that the input can still be transposed before it gets converted, i.e. <code>\transpose c d c-&quot;7&quot;</code> will print D7 chord symbol.
The advantage of this function is that the input can still be transposed before it gets converted, i.e., <code>\transpose c d c-"7"</code> will print the D7 chord symbol.


The following entries are possible:
The following entries are possible:


<code>c</code>
* <code>c</code> → C
* <code>c-"7"</code> → C7
* <code><c e></code> → C/E
* <code><c e&>-"7"</code> → C7/E
* <code>r</code> → N.C.
* <code>s</code> → (empty)
* <code>s-"text"</code> → text [not affected by transposition]


→ C
These three additional functions work with any of the above (except for skip).


<code>c-&quot;7&quot;</code>
* <code>\parenLeft c</code> → (C
 
* <code>\parenRight c</code> → C)
→ C7
* <code>\parenBoth c</code> → (C)
 
<code>&lt;c e&gt;</code>
 
→ C/E
 
<code>&lt;c e&gt;-&quot;7&quot;</code>
 
→ C7/E
 
<code>r</code>
 
→ N.C.
 
<code>s</code>
 
→
 
<code>s-&quot;text&quot;</code>
 
→ text [not affected by transposition]
 
and these three additional functions work with any of the above (except for skip)
 
<code>\parenLeft c</code>
 
→ (C
 
<code>\parenRight c</code>
 
→ C)
 
<code>\parenBoth c</code>
 
→ (C)


<lilypond version="2.24">
<lilypond version="2.24">
%% http://lsr.di.unimi.it/LSR/Item?id=608
%% see also http://lilypond.1069038.n5.nabble.com/LSR-v-2-18-quot-Function-to-create-WYGIWYM-Chord-Names-quot-does-not-compile-tc159364.html
%LSR created by TaoCG
%LSR created by TaoCG


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