Sofia API Reference

public class
ZIndexComparator

extends Object
implements Comparator<T>

Inheritance

java.lang.Object
- sofia.graphics.ZIndexComparator

Class Overview

A comparator for shapes that orders them by increasing z-index, or for identical z-indices, orders them by increasing insertion time (i.e., newer shapes are after older shapes).

Summary

Public Constructors
	`ZIndexComparator()`

Public Methods
`int`	`compare(Shape shape1, Shape shape2)`

Protected Methods
`int`	`compareTimestamps(Shape shape1, Shape shape2)` Compare the insertion times of two shapes.

Methods inherited from `class java.lang.Object`
`Object`	`clone()`
`boolean`	`equals(Object arg0)`
`void`	`finalize()`
`final Class<?>`	`getClass()`
`int`	`hashCode()`
`final void`	`notify()`
`final void`	`notifyAll()`
`String`	`toString()`
`final void`	`wait()`
`final void`	`wait(long arg0, int arg1)`
`final void`	`wait(long arg0)`

Methods inherited from `interface java.util.Comparator`
`abstract int`	`compare(T arg0, T arg1)`
`abstract boolean`	`equals(Object arg0)`

Public Constructors

public ZIndexComparator ()

Public Methods

public int compare (Shape shape1, Shape shape2)

Protected Methods

protected int compareTimestamps (Shape shape1, Shape shape2)

Compare the insertion times of two shapes.

Parameters

shape1: The first shape.
shape2: The second shape.

Returns

-1 if shape1 was added to the ShapeSet before shape2, 0 if they were added at the same time, or 1 if shape2 was added before shape1.