Class CompositePool

java.lang.Object

com.arbergashi.charts.internal.CompositePool

public final class CompositePool
extends Object

Lightweight cache for AlphaComposite instances to avoid allocations in tight render loops. Uses a ConcurrentHashMap to allow thread-safe access from worker threads.

Since:

2026-01-01

Version:

1.0.0

Author:

Arber Gashi

Method Summary

Modifier and Type	Method	Description
static Composite	get(float alpha)	Returns an AlphaComposite corresponding to the given alpha in the range [0,1].

Methods inherited from class Object

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

Method Details

get

public static Composite get(float alpha)

Returns an AlphaComposite corresponding to the given alpha in the range [0,1]. For stability and cache hits we quantize alpha to 0..255 integer steps.