toGrayscale

Undocumented in source. Be warned that the author may not have intended to support it.
  1. T toGrayscale(T r, T g, T b)
    package @safe pure nothrow @nogc pure
    T
    toGrayscale
    (
    bool linear
    T
    )
    (
    T r
    ,
    T g
    ,
    T b
    )
    if (
    isFloatingPoint!T
    )
  2. T toGrayscale(T r, T g, T b)

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