CGPDFDictionaryGetBoolean(_:_:_:)
Returns whether there is a PDF Boolean value associated with a specified key in a PDF dictionary and, if so, retrieves the Boolean value.
Declaration
func CGPDFDictionaryGetBoolean(_ dict: CGPDFDictionaryRef, _ key: UnsafePointer<CChar>, _ value: UnsafeMutablePointer<CGPDFBoolean>?) -> BoolParameters
- 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 Boolean value. If the value associated with the specified key is a PDF Boolean value, then on return contains that value; otherwise the value is unspecified.
Return Value
Returns true if there is a PDF Boolean value associated with the specified key; otherwise, false.