question: protected double findMaximumTickLabelWidth ( List ticks , Graphics2D g2 , Rectangle2D drawArea , boolean vertical ) { RectangleInsets insets = getTickLabelInsets ( ) ; Font font = getTickLabelFont ( ) ; double maxWidth = 0.0 ; if ( ! vertical ) { FontMetrics fm = g2 . getFontMetrics ( font ) ; Iterator iterator = ticks . iterator ( ) ; while ( iterator . hasNext ( ) ) { Tick tick = ( Tick ) iterator . next ( ) ; Rectangle2D labelBounds = null ; if ( tick instanceof LogTick ) { LogTick lt = ( LogTick ) tick ; if ( lt . getAttributedLabel ( ) != null ) { labelBounds = AttrStringUtils . getTextBounds ( lt . getAttributedLabel ( ) , g2 ) ; } } else if ( tick . getText ( ) != null ) { labelBounds = TextUtilities . getTextBounds ( tick . getText ( ) , g2 , fm ) ; } if ( labelBounds != null && labelBounds . getWidth ( ) + insets . getLeft ( ) + insets . getRight ( ) > maxWidth ) { maxWidth = labelBounds . getWidth ( ) + insets . getLeft ( ) + insets . getRight ( ) ; } } } else { LineMetrics metrics = font . getLineMetrics ( "ABCxyz" , g2 . getFontRenderContext ( ) ) ; maxWidth = metrics . getHeight ( ) + insets . getTop ( ) + insets . getBottom ( ) ; } return maxWidth ; }
target:  A utility method for determining the width of the widest tick label.