Stefan Thomas wrote:
Dear Graham,
absolutely, I would like to define a list of notenames, for e.g. pitches
that are about 15cents lower, But I have no idea how to do it, when I use
the HE-font for the accidentals.
For the code I have, pitch names are defined as:
HEPitchNames = #`(
(c . ,(ly:make-pitch -1 0 0))
(g . ,(ly:make-pitch -1 4 10/1023))
(edown . ,(ly:make-pitch -1 2 -75/1096))
(bflatseven . ,(ly:make-pitch -1 6 -162/247))
(d . ,(ly:make-pitch -1 1 20/1023))
and so on.
If you want more pitches, you add them. The parameters are
documented for ly:make-pitch under Scheme Functions.
Off course, I had a look in makam.ly
and I found there
makamGlyphs = #`((1 . "accidentals.doublesharp")
(8/9 . "accidentals.sharp.slashslashslash.stemstem")
)
But how could I define a "Helmholtz-Glyph"?
This table is different when you use an external font. The
relevant table, as I have it, starts like this:
HEStrings = #`(
(0 "\x6e" (0 . 1) (-0.5 . 0.5))
(10/1023 "\x6e" (0 . 0.6) (-0.5 . 0.5))
(-75/1096 "\x6d" (0 . 0.6) (-1.1 . 0.5))
(-162/247 "\x3c\x65" (-2 . 2) (-0.5 . 0.5))
(20/1023 "\x6e" (0 . 0.6) (-1.1 . 0.5))
In each of those lists, the first entry is the alteration in
whole tones (1/1 = 200 cents). The second entry is the
UTF-8 encoded string to display. The other two pairs are
the X- and Y-extents that determine how much space LilyPond
allows for the accidentals. We currently don't know how to
make sensible guesses for these so they have to be hard coded.
The alteration for very accidental in the first table has to
match a row in the second one.
Graham
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