Package org.jfree.chart.util

Class LineUtils

java.lang.Object

org.jfree.chart.util.LineUtils

public class LineUtils
extends Object

Some utility methods for Line2D objects.

Constructor Summary

Constructors

Constructor	Description
LineUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	clipLine(Line2D line, Rectangle2D rect)	Clips the specified line to the given rectangle.
static Line2D	extendLine(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 Details

LineUtils

public LineUtils()

Method Details

clipLine

public static boolean clipLine(Line2D line,
 Rectangle2D rect)

Clips the specified line to the given rectangle. If any of the line coordinates is not finite, then the method returns false and the line is not modified.

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 Line2D extendLine(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.