jdsl.geomobj.ref
Class AbstractLinearCurve2D

java.lang.Object
  |
  +--jdsl.geomobj.ref.AbstractGeomObject2D
        |
        +--jdsl.geomobj.ref.AbstractLinearCurve2D

All Implemented Interfaces:

Curve2D, GeomObject, GeomObject2D, LinearCurve2D, OpenCurve2D

Direct Known Subclasses:

AbstractIntLinearCurve2D, AbstractRatLinearCurve2D, AbstractRealLinearCurve2D

public abstract class AbstractLinearCurve2D

extends AbstractGeomObject2D

implements LinearCurve2D

An abstract class extended by AbstractIntLinearCurve2D and AbstractRatLinearCurve2D.

Version:

$Id: AbstractLinearCurve2D.java,v 1.4 2001/05/16 13:44:56 lv Exp $

Author:

Luca Vismara (lv)

Inner classes inherited from class jdsl.geomobj.api.GeomObject2D

GeomObject2D.NoneGeomObject2D

Field Summary

protected Point2D	bottom_
protected static int	INFINITE
protected Point2D	left_
protected static int	NEGATIVE
protected static int	POSITIVE
protected Point2D	right_
protected int	slope_
protected Point2D	top_
protected static int	ZERO

Fields inherited from class jdsl.geomobj.ref.AbstractGeomObject2D

gt, jn

Fields inherited from interface jdsl.geomobj.api.GeomObject2D

NONE

Constructor Summary

AbstractLinearCurve2D()

Method Summary

boolean	isDecreasing()
boolean	isHorizontal()
boolean	isIncreasing()
boolean	isVertical()
java.lang.String	toString()

Methods inherited from class jdsl.geomobj.ref.AbstractGeomObject2D

dim

Methods inherited from class java.lang.Object

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

Methods inherited from interface jdsl.geomobj.api.LinearCurve2D

direction

Methods inherited from interface jdsl.geomobj.api.OpenCurve2D

points

Methods inherited from interface jdsl.geomobj.api.GeomObject

arithmeticType, dim

Field Detail

NEGATIVE

protected static final int NEGATIVE

ZERO

protected static final int ZERO

POSITIVE

protected static final int POSITIVE

INFINITE

protected static final int INFINITE

slope_

protected int slope_

bottom_

protected Point2D bottom_

top_

protected Point2D top_

left_

protected Point2D left_

right_

protected Point2D right_

Constructor Detail

AbstractLinearCurve2D

public AbstractLinearCurve2D()

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

isHorizontal

public boolean isHorizontal()

Specified by:

isHorizontal in interface LinearCurve2D

Following copied from interface: jdsl.geomobj.api.LinearCurve2D

Returns:

whether this is horizontal

isVertical

public boolean isVertical()

Specified by:

isVertical in interface LinearCurve2D

Following copied from interface: jdsl.geomobj.api.LinearCurve2D

Returns:

whether this is vertical

isIncreasing

public boolean isIncreasing()

Specified by:

isIncreasing in interface LinearCurve2D

Following copied from interface: jdsl.geomobj.api.LinearCurve2D

Returns:

whether this has a finite positive slope

isDecreasing

public boolean isDecreasing()

Specified by:

isDecreasing in interface LinearCurve2D

Following copied from interface: jdsl.geomobj.api.LinearCurve2D

Returns:

whether this has a finite negative slope