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2020.10.19

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Seymour Shlien
2020-10-20 11:52:56 -04:00
parent a1f745bb30
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@@ -13936,5 +13936,36 @@ an extern (in parseabc.h). In addition a new struct (voice_context)
has been introduced in parseabc.h.
October 19 2020
James Allwright has implement the abc draft standard 2.2 clef parameters.
This specifies the clef by letter and line number on which it sits.
See http://abcnotation.com/wiki/abc:standard:v2.2#clefs . An
example is given below.
X:1
T: clef test
M: 4/4
L: 1/4
K: D clef=G2
"Treble" DEFG|AGFE|ABcd|
K: D clef=G1
"French violin" DEFG|AGFE|ABcd|
K: D clef=F5
"Sub-bass" DEFG|AGFE|ABcd|
K: D clef=F3
"Baritone" DEFG|AGFE|ABcd|
The implementation involved major changes to parseabc.c and the creation of
new files music_utils.c and music_utils.h. The function isclef() in parseabc.c
has been revised and now calls get_standard_clef() or
get_extended_clef_details() that are defined in music_utils.c.
The clef is represent by a new structure cleftype_t. parseclef() and
event_key() defined in parseabc.c have a new parameter, a structure newclef.
Minor changes were made to store.c, toabc.c, matchsup.c. and debug.c.
Significant changes were made to yapstree.c and drawtune.c.
The makefiles folder has been moved to legacy_code.