CGPDFOperatorTableSetCallback(_:_:_:)

Sets a callback function for a PDF operator.

Declaration

func CGPDFOperatorTableSetCallback(_ table: CGPDFOperatorTableRef, _ name: UnsafePointer<CChar>, _ callback: CGPDFOperatorCallback)

Parameters

table:
A PDF operator table.
name:
The name of the PDF operator you want to set a callback for.
callback:
The callback to invoke for the PDF operator specified by the name parameter.

Discussion

You call the function CGPDFOperatorTableSetCallback(_:_:_:) for each PDF operator for which you want to provide a callback. See Appendix A in the PDF Reference, Second Edition, version 1.3, Adobe Systems Incorporated for a summary of PDF operators.