[MU3] Add support for triple sharp and triple flat #6744
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Jojo-Schmitz
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I'm puzzled about those mtest failures in this PR here, they didn't happen in #6002? Edit: A couple rather stupid copy&paste errors were the culprit... |
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| // preset lines list with accidentals for given key | ||
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| void AccidentalState::init(Key key) |
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There are very tricky calculations here
@Jojo-Schmitz @mattmcclinch Looks like you're studied this method, is it possible for you to add a comment that would explain what is going on here?
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Hmm, the changes of this PR don't seem complicated at all, they are just adjusted to the change number of accidentals (that affect playback in semitones), replacing 'magic numbers' by something more sensible and readable. The underling formula indeed looks quite complex, but I didn't even try to understand it ;-)
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See mattmcclinch@345042b. I think it adds a bit more clarity. The variable octave is perhaps a bit misleading. octaveStart might be better.
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SMuFL provides glyphs for triple sharp and triple flat, so they might as well be available to use in MuseScore. This involves adding 14 new TPCs and expanding the range of the AccidentalVal enum class.
This was requested on the forum topic in Triple sharps and triple flats (sort of, ignore the digressions into politics and key signatures).
See https://seanyeh.com/pages/alkans_triple_sharp/ for an example of a triple sharp being used in a piece of music from the Romantic period.
Rebased version of #6002 (@mattmcclinch, please review).
"If the mountain won't come to Mohammed, Mohammed must go to the mountain." ;-)