Class AdaptiveFunctionRenderer

java.lang.Object

com.arbergashi.charts.render.BaseRenderer

com.arbergashi.charts.render.analysis.AdaptiveFunctionRenderer

All Implemented Interfaces:

ChartRenderer

public class AdaptiveFunctionRenderer
extends BaseRenderer

Adaptive function renderer (JDK 25 standard). Draws mathematical functions f(x) with adaptive sampling. Uses virtual threads for parallel background computation of points.

Optimized for zero-allocation rendering and FlatLaf integration.

Since:

2026-01-01

Version:

1.0.0

Author:

Arber Gashi

Field Summary

Fields inherited from class BaseRenderer

PIXEL_BUF, PIXEL_BUF4

Constructor Summary

Constructors

Constructor	Description
AdaptiveFunctionRenderer(DoubleUnaryOperator function)

Method Summary

Modifier and Type	Method	Description
protected void	drawData(Graphics2D g2, ChartModel model, PlotContext context)	Implementation-specific drawing logic.
void	setRepaintCallback(Runnable callback)	Sets a callback invoked when new data becomes available.

Methods inherited from class BaseRenderer

drawHighlightPoint, drawI18nLabel, drawLabel, getArc, getCachedFont, getCachedGradient, getCachedStroke, getCachedStroke, getCachedStroke, getCubicCurve, getEllipse, getId, getLayerIndex, getLegendColor, getLine, getName, getPathCache, getPointAt, getRect, getRoundRectangle, getSeriesColor, getSeriesStroke, getTheme, getTooltipText, isLegendRequired, isMultiColor, pBuffer, pBuffer4, render, resolveTheme, seriesOrBase, setLayerIndex, setMultiColor, setTheme, setupQualityHints, themeAccent, themeAxisLabel, themeBackground, themeBearish, themeBullish, themeForeground, themeGrid, themeSeries

Methods inherited from class Object

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

Methods inherited from interface ChartRenderer

clearHover, createContext, getFocusValues, getPreferredYRange, renderEmptyState, supportsEmptyState

Constructor Details

AdaptiveFunctionRenderer

public AdaptiveFunctionRenderer(DoubleUnaryOperator function)

Method Details

drawData

protected void drawData(Graphics2D g2,
 ChartModel model,
 PlotContext context)

Description copied from class: BaseRenderer

Implementation-specific drawing logic. Must follow Zero-Allocation rules.

Specified by:

drawData in class BaseRenderer

setRepaintCallback

public void setRepaintCallback(Runnable callback)

Sets a callback invoked when new data becomes available.

Parameters:

callback - Runnable for repaint (e.g., chart::repaint)