Comment #1 on issue 2042 by reinhold...@gmail.com: Enhancement request for
new representation of augmented pitch name/designation
http://code.google.com/p/lilypond/issues/detail?id=2042
Despite my lack of metafont knowledge, I have started tweaking some of the
glyphs:
http://codereview.appspot.com/5683051
Please note: That patch is not yet ready for review, it is simply to show
some ideas, which need to be improved a lot!
That patch simply takes the digits 2, 4 and 5 of the feta font, stretches
the one line that will be slashed, and adds a vertical box as a slash
through it. These glyphs are not yet used by the figured bass formatting
functions, but you can already use them via the musicglyph markup function.
Attached is a simple test file showing the glyphs.
Some issues:
-) I have no idea how to properly implement the 6+ (the upper arc should
have much less curvature and the slash is drawn through it. I would like
the flare to have less turning angle, but with beta != +-90 it is no circle
any more).
-) Currently I place the slashes at more or less hardcoded positions and
they are straight vertical. In particular for the 2 it might make sense to
calculate the real intersection of the slash with the lower wavy line, so
the slash is vertically centered. It might also be slanted to be
perpendicular to the line it slashes through. Similarly, I'm not sure if
the 5 should get a slightly slanted slash...
-) I have no idea whether I should adjust the height of the boxes to
include the slash.
-) etc.
It would be great if someone with more metafont knowledge could improve
those issues.
Attachments:
figured-bass-slashed-figures-test.ly 483 bytes
figured-bass-slashed-figures-test.preview.pdf 20.0 KB
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