java.lang.Object

com.arbergashi.charts.render.BaseRenderer

com.arbergashi.charts.render.standard.RangeRenderer

All Implemented Interfaces:: ChartRenderer

public final class RangeRenderer extends BaseRenderer

RangeRenderer - Range Area Chart

Professional range renderer for displaying data with min/max boundaries. Visualizes uncertainty, confidence intervals, or value ranges.

Features:

Range Area: Filled area between min and max values
Center Line: Optional median/mean line
Transparency: Semi-transparent fill for overlapping ranges
Smooth Edges: Anti-aliased boundaries

Data Mapping:

ChartPoint fields:
  x       → X coordinate
  y       → Center value (mean/median)
  min     → Lower boundary
  max     → Upper boundary

Use Cases:

Temperature ranges (daily min/max)
Stock price ranges (high/low/close)
Forecast confidence intervals
Sensor data with measurement uncertainty

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

RangeRenderer()
Method Summary

Modifier and Type

Method

Description

protected void

drawData(Graphics2D g, ChartModel model, PlotContext context)

Implementation-specific drawing logic.

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
- RangeRenderer
  
  public RangeRenderer()
Method Details
- drawData
  
  protected void drawData(Graphics2D g, ChartModel model, PlotContext context)
  
  Description copied from class: BaseRenderer
  
  Implementation-specific drawing logic. Must follow Zero-Allocation rules.
  
  Specified by:
  
  drawData in class BaseRenderer