org.jCharts.chartData.processors
Class TextProcessor

java.lang.Object
  |
  +--org.jCharts.chartData.processors.TextProcessor

public class TextProcessor

extends java.lang.Object

Field Summary

private float	tallestLabel
private java.util.ArrayList	textTags
private float	totalLabelWidths
private float	widestLabel

Constructor Summary

TextProcessor()
Constructor

Method Summary

void	addLabel(java.lang.String label, java.awt.Font font, java.awt.font.FontRenderContext fontRenderContext)
float	getTallestLabel()
TextTag	getTextTag(int index)
float	getTotalLabelWidths()
float	getWidestLabel() Calculates the width and height needed by the passed String when rendered // * @param iDataSeries / * @param font // * @param fontRenderContext public void processLabels( IDataSeries iDataSeries) { //LOOP for( int i = 0; i < iDataSeries.getNumberOfXAxisLabels(); i++ ) { this.axisLabelProcessor.processLabel( iDataSeries.getXAxisLabel( i ), axisLabelFont, fontRenderContext ); } TextLayout textLayout = new TextLayout( label, font, fontRenderContext ); //---WIDTH this.labelWidths[ counter ] = textLayout.getAdvance(); this.widestLabel = Math.max( this.labelWidths[ counter ], this.widestLabel ); this.totalLabelWidths += this.labelWidths[ counter ]; //---HEIGHT this.labelHeights[ counter ] = textLayout.getAscent() + textLayout.getDescent(); this.tallestLabel = Math.max( this.labelHeights[ counter ], this.tallestLabel ); //---need this to offset font rendering, as rendering is at the baseline not bottom or top, this.fontDescent = textLayout.getDescent(); this.counter++; } /******************************************************************************************
int	size() Returns the number of labels

Methods inherited from class java.lang.Object

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

Field Detail

widestLabel

private float widestLabel

tallestLabel

private float tallestLabel

totalLabelWidths

private float totalLabelWidths

textTags

private java.util.ArrayList textTags

Constructor Detail

TextProcessor

public TextProcessor()

Constructor

Method Detail

addLabel

public void addLabel(java.lang.String label,
                     java.awt.Font font,
                     java.awt.font.FontRenderContext fontRenderContext)

Parameters:

label -

font -

fontRenderContext -

size

public int size()

Returns the number of labels

Returns:

int

getWidestLabel

public float getWidestLabel()

Calculates the width and height needed by the passed String when rendered // * @param iDataSeries / * @param font // * @param fontRenderContext public void processLabels( IDataSeries iDataSeries) { //LOOP for( int i = 0; i < iDataSeries.getNumberOfXAxisLabels(); i++ ) { this.axisLabelProcessor.processLabel( iDataSeries.getXAxisLabel( i ), axisLabelFont, fontRenderContext ); } TextLayout textLayout = new TextLayout( label, font, fontRenderContext ); //---WIDTH this.labelWidths[ counter ] = textLayout.getAdvance(); this.widestLabel = Math.max( this.labelWidths[ counter ], this.widestLabel ); this.totalLabelWidths += this.labelWidths[ counter ]; //---HEIGHT this.labelHeights[ counter ] = textLayout.getAscent() + textLayout.getDescent(); this.tallestLabel = Math.max( this.labelHeights[ counter ], this.tallestLabel ); //---need this to offset font rendering, as rendering is at the baseline not bottom or top, this.fontDescent = textLayout.getDescent(); this.counter++; } /******************************************************************************************

getTallestLabel

public float getTallestLabel()

getTotalLabelWidths

public float getTotalLabelWidths()

getTextTag

public TextTag getTextTag(int index)

Parameters:

index -

Returns:

TextTag