ConnectedObjectScanner.ElementVisitor

All Known Implementing Classes:: ConnectedObjectScanner.MaskElementCounter

Enclosing class:: ConnectedObjectScanner

Functional Interface:: This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface ConnectedObjectScanner.ElementVisitor

Visitor of matrix elements. Used by ConnectedObjectScanner class.

Method Summary

Modifier and Type

Method

Description

void

visit(long[] coordinatesInMatrix, long indexInArray)

Method, called by ConnectedObjectScanner.clear(ArrayContext, ConnectedObjectScanner.ElementVisitor, long[], boolean) for every visited unit element of the scanned matrix.

Method Details
- visit
  
  void visit(long[] coordinatesInMatrix, long indexInArray)
  
  Method, called by ConnectedObjectScanner.clear(ArrayContext, ConnectedObjectScanner.ElementVisitor, long[], boolean) for every visited unit element of the scanned matrix.
  Important: coordinatesInMatrix argument can be null here! So, if you need to know the coordinates, you must check this argument and use Matrix.coordinates(long, long[]) method (or equivalent code) when it is null.
  If coordinatesInMatrix is not null, this method may modify elements of the passed coordinatesInMatrix: it will not affect to the behavior of the scanning algorithms.
  
  Parameters:
  
  coordinatesInMatrix - the coordinates of the element in the bit matrix or, maybe, null.
  
  indexInArray - the index of this element in the underlying array.