Module org.jhotdraw8.draw

Package org.jhotdraw8.draw.render

Class NodeFinder

java.lang.Object

org.jhotdraw8.draw.render.NodeFinder

public class NodeFinder
extends Object

Provides methods for finding JavaFX nodes within a radius around a point.

Constructor Summary

Constructors

Constructor	Description
NodeFinder()

Method Summary

Modifier and Type	Method	Description
@Nullable Double	contains(@NonNull javafx.scene.Node node, @NonNull javafx.geometry.Point2D pointInLocal, double radiusInLocal)	Returns the distance to the node, if the node contains the specified point within a tolerance.
@Nullable javafx.scene.Node	findNodeRecursive(@NonNull javafx.scene.Node n, double vx, double vy, double radius)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NodeFinder

public NodeFinder()

Method Details

contains

public @Nullable Double contains(@NonNull javafx.scene.Node node,
 @NonNull javafx.geometry.Point2D pointInLocal,
 double radiusInLocal)

Returns the distance to the node, if the node contains the specified point within a tolerance.

Parameters:

node - The node

pointInLocal - The point in local coordinates

radiusInLocal - The maximal distance the point is allowed to be away from the node, in local coordinates

Returns:

a distance if the node contains the point, null otherwise

findNodeRecursive

public @Nullable javafx.scene.Node findNodeRecursive(@NonNull javafx.scene.Node n,
 double vx,
 double vy,
 double radius)