org.apache.batik.ext.awt.geom

Class AbstractSegment

java.lang.Object

org.apache.batik.ext.awt.geom.AbstractSegment

All Implemented Interfaces:

Cloneable, Segment

Direct Known Subclasses:

Cubic, Quadradic

public abstract class AbstractSegment
extends Object
implements Segment

An abstract class for path segments.

Version:

$Id: AbstractSegment.java 1733416 2016-03-03 07:07:13Z gadams $

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.batik.ext.awt.geom.Segment

Segment.SplitResults

Constructor Summary

Constructors

Constructor and Description
AbstractSegment()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract int	findRoots(double y, double[] roots)
static double	matchSign(double a, double b)
static int	solveCubic(double a3, double a2, double a1, double a0, double[] roots)
static int	solveLine(double a, double b, double[] roots)
static int	solveQuad(double a, double b, double c, double[] roots)
Segment.SplitResults	split(double y)
Segment	splitAfter(double t)
Segment	splitBefore(double t)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.batik.ext.awt.geom.Segment

eval, evalDt, getBounds2D, getLength, getLength, getSegment, maxX, maxY, minX, minY, subdivide, subdivide

Constructor Detail

AbstractSegment

public AbstractSegment()

Method Detail

findRoots

protected abstract int findRoots(double y,
            double[] roots)

split

public Segment.SplitResults split(double y)

Specified by:

split in interface Segment

splitBefore

public Segment splitBefore(double t)

Specified by:

splitBefore in interface Segment

splitAfter

public Segment splitAfter(double t)

Specified by:

splitAfter in interface Segment

solveLine

public static int solveLine(double a,
            double b,
            double[] roots)

solveQuad

public static int solveQuad(double a,
            double b,
            double c,
            double[] roots)

matchSign

public static double matchSign(double a,
               double b)

solveCubic

public static int solveCubic(double a3,
             double a2,
             double a1,
             double a0,
             double[] roots)