com.alee.utils

Class ShapeUtils

java.lang.Object

com.alee.utils.ShapeUtils

public final class ShapeUtils
extends java.lang.Object

This utility class can be used to implement shape caching withing any painter or component. This might be useful to improve component painting performance in case it uses complex shapes.

Constructor Summary

Constructors

Constructor and Description
ShapeUtils()

Method Summary

Modifier and Type	Method and Description
static java.awt.Shape	createRoundedShape(int round, java.awt.Point... points) Returns shape with rounded corners created using specified points.
static java.awt.Shape	createRoundedShape(java.awt.Point[] points, int[] round) Returns shape with rounded corners created using specified points.
static <T extends java.awt.Shape> T	getShape(java.awt.Component component, java.lang.String shapeId, DataProvider<T> shapeProvider, java.lang.Object... settings) Returns cached component shape.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShapeUtils

public ShapeUtils()

Method Detail

createRoundedShape

public static java.awt.Shape createRoundedShape(int round,
                                                java.awt.Point... points)

Returns shape with rounded corners created using specified points.

Parameters:

round - corners round

points - shape points

Returns:

shape with rounded corners created using specified points

createRoundedShape

public static java.awt.Shape createRoundedShape(java.awt.Point[] points,
                                                int[] round)

Returns shape with rounded corners created using specified points.

Parameters:

points - shape points

round - corners round

Returns:

shape with rounded corners created using specified points

getShape

public static <T extends java.awt.Shape> T getShape(java.awt.Component component,
                                                    java.lang.String shapeId,
                                                    DataProvider<T> shapeProvider,
                                                    java.lang.Object... settings)

Returns cached component shape. If shape is not yet cached it will be created. If shape settings are changed from the last time it was queued it will be re-created.

Type Parameters:

T - shape type

Parameters:

component - component for which shape is cached

shapeId - unique shape ID

shapeProvider - shape provider

settings - shape settings used as a shape key

Returns:

cached component shape