PSPDFUnitFrom

Objective-C

enum PSPDFUnitFrom : NSInteger {}

Swift

@frozen enum UnitFrom : Int, @unchecked Sendable

Possible units for distances on a document page. These are used with the from value in a MeasurementScale object.

  • Inches (default). 1 inch is 72 PDF points.

    Declaration

    Objective-C

    PSPDFUnitFromInch

    Swift

    case inch = 0

  • Millimeters

    Declaration

    Objective-C

    PSPDFUnitFromMillimeter

    Swift

    case millimeter = 1

  • Centimeters

    Declaration

    Objective-C

    PSPDFUnitFromCentimeter

    Swift

    case centimeter = 2

  • PDF points. A PDF point is 1/72 inch. All values in a PDF page coordinate space (e.g. an annotation’s bounding box) are specified in PDF points.

    Declaration

    Objective-C

    PSPDFUnitFromPoint

    Swift

    case point = 3