create Calibration Line Annotation
open fun createCalibrationLineAnnotation(@IntRange(from = 0 ) pageIndex: Int, @NonNull point1: PointF, @NonNull point2: PointF): LineAnnotation
Creates a new LineAnnotation with the `isCalibration` flag set to true. Internal use only
Parameters
page Index
Page to which this annotation will be attached to.
point1
Starting point of the line in PDF coordinates.
point2
End point of the line in PDF coordinates.