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CGPDFDictionaryGetNumber(_:_:_:)

Returns whether there is a PDF number associated with a specified key in a PDF dictionary and, if so, retrieves that number.

Declaration

func CGPDFDictionaryGetNumber(_ dict: CGPDFDictionaryRef, _ key: UnsafePointer<CChar>, _ value: UnsafeMutablePointer<CGPDFReal>?) -> Bool

Parameters

  • dict:

    A PDF dictionary. If this parameter is not a valid PDF dictionary, the behavior is undefined.

  • key:

    The key for the value to retrieve.

  • value:

    On input, a pointer to a PDF number. If the value associated with the specified key is a PDF number (real or integer), then on return contains that value; otherwise the value is unspecified.

Return Value

Returns true if there is a PDF number associated with the specified key; otherwise, false.

See Also

Getting Data from a Dictionary