org.jfree.chart.util

Class LineUtilities

java.lang.Object

org.jfree.chart.util.LineUtilities

public class LineUtilities
extends java.lang.Object

Some utility methods for Line2D objects.

Since:

1.0.12

Constructor Summary

Constructors

Constructor and Description
LineUtilities()

Method Summary

Modifier and Type	Method and Description
static boolean	clipLine(java.awt.geom.Line2D line, java.awt.geom.Rectangle2D rect) Clips the specified line to the given rectangle.
static java.awt.geom.Line2D	extendLine(java.awt.geom.Line2D line, double startPercent, double endPercent) Creates a new line by extending an existing line.

Methods inherited from class java.lang.Object

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

Constructor Detail

LineUtilities

public LineUtilities()

Method Detail

clipLine

public static boolean clipLine(java.awt.geom.Line2D line,
                               java.awt.geom.Rectangle2D rect)

Clips the specified line to the given rectangle.

Parameters:

line - the line (null not permitted).

rect - the clipping rectangle (null not permitted).

Returns:

true if the clipped line is visible, and false otherwise.

extendLine

public static java.awt.geom.Line2D extendLine(java.awt.geom.Line2D line,
                                              double startPercent,
                                              double endPercent)

Creates a new line by extending an existing line.

Parameters:

line - the line (null not permitted).

startPercent - the amount to extend the line at the start point end.

endPercent - the amount to extend the line at the end point end.

Returns:

A new line.

Since:

1.0.18