Sha256: 648969b10e640b158da1fed4f1d498d6cc8f22902b0c816a2283ccdf5eddf317
Contents?: true
Size: 1.12 KB
Versions: 26
Compression:
Stored size: 1.12 KB
Contents
class HeadMusic::GrandStaff
GRAND_STAVES = {
piano: {
instrument: :piano,
staves: [
{ clef: :treble, instrument: :piano },
{ clef: :bass, instrument: :piano }
]
},
organ: {
instrument: :organ,
staves: [
{ clef: :treble, instrument: :organ },
{ clef: :bass, instrument: :organ },
{ clef: :bass, instrument: :pedals }
]
}
}
def self.get(name)
@grand_staves ||= {}
hash_key = HeadMusic::Utilities::HashKey.for(name)
return nil unless GRAND_STAVES.keys.include?(hash_key)
@grand_staves[hash_key] ||= new(hash_key)
end
attr_reader :identifier, :data
def initialize(name)
@identifier = HeadMusic::Utilities::HashKey.for(name)
@data = GRAND_STAVES[identifier]
end
def instrument
@instrument ||= HeadMusic::Instrument.get(data[:instrument])
end
def staves
@staves ||= begin
data[:staves].map { |staff|
HeadMusic::Staff.new(staff[:clef], instrument: staff[:instrument] || instrument)
}
end
end
def brace_staves_index_first
0
end
def brace_staves_index_last
1
end
end
Version data entries
26 entries across 26 versions & 1 rubygems