diva.util.java2d

Class Polyline2D.Double

java.lang.Object

diva.util.java2d.Polyline2D

diva.util.java2d.Polyline2D.Double

All Implemented Interfaces:

java.awt.Shape

Enclosing class:

Polyline2D

public static class Polyline2D.Double
extends Polyline2D

The concrete Polyline class that stores coordinates internally as doubles.

Nested Class Summary

Nested classes/interfaces inherited from class diva.util.java2d.Polyline2D

Polyline2D.Double, Polyline2D.Float

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double[]	_coords The coordinates

Fields inherited from class diva.util.java2d.Polyline2D

_coordCount

Constructor Summary

Constructors

Constructor and Description
Double() Create a new polyline with no coordinates
Double(double x1, double y1, double x2, double y2) Create a new polyline with two vertices.
Double(int initSize) Create a new polyline with "initSize" number of vertices.
Double(Polyline2D in) Copy constructor for efficient copying of Polyline2D.

Method Summary

Modifier and Type	Method and Description
java.awt.geom.Rectangle2D	getBounds2D() Get the floating-point bounds of the polyline.
double	getX(int index) Get the given X-coordinate
double	getY(int index) Get the given Y-coordinate
void	lineTo(double x, double y) Add a new vertex to the end of the line.
void	moveTo(double x, double y) Move the start point of the vertex to the given position.
void	setX(int index, double x) Set the given X-coordinate.
void	setY(int index, double y) Set the given Y-coordinate
void	transform(java.awt.geom.AffineTransform at) Transform the polyline with the given transform.
void	translate(double x, double y) Translate the polyline the given distance.

Methods inherited from class diva.util.java2d.Polyline2D

contains, contains, contains, contains, getBounds, getPathIterator, getPathIterator, getVertexCount, intersects, intersects, reset, toString

Methods inherited from class java.lang.Object

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

Field Detail

_coords

double[] _coords

The coordinates

Constructor Detail

Double

public Double()

Create a new polyline with no coordinates

Double

public Double(int initSize)

Create a new polyline with "initSize" number of vertices.

Double

public Double(double x1,
              double y1,
              double x2,
              double y2)

Create a new polyline with two vertices.

Double

public Double(Polyline2D in)

Copy constructor for efficient copying of Polyline2D.

Method Detail

getBounds2D

public java.awt.geom.Rectangle2D getBounds2D()

Get the floating-point bounds of the polyline.

Specified by:

getBounds2D in interface java.awt.Shape

Specified by:

getBounds2D in class Polyline2D

getX

public double getX(int index)

Get the given X-coordinate

Specified by:

getX in class Polyline2D

Throws:

java.lang.IndexOutOfBoundsException - The index is out of bounds.

getY

public double getY(int index)

Get the given Y-coordinate

Specified by:

getY in class Polyline2D

Throws:

java.lang.IndexOutOfBoundsException - The index is out of bounds.

lineTo

public void lineTo(double x,
                   double y)

Add a new vertex to the end of the line.

Specified by:

lineTo in class Polyline2D

moveTo

public void moveTo(double x,
                   double y)

Move the start point of the vertex to the given position.

Specified by:

moveTo in class Polyline2D

Throws:

java.lang.UnsupportedOperationException - The polyline already has vertices

setX

public void setX(int index,
                 double x)

Set the given X-coordinate.

Specified by:

setX in class Polyline2D

Throws:

java.lang.IndexOutOfBoundsException - The index is out of bounds.

setY

public void setY(int index,
                 double y)

Set the given Y-coordinate

Specified by:

setY in class Polyline2D

Throws:

java.lang.IndexOutOfBoundsException - The index is out of bounds.

transform

public void transform(java.awt.geom.AffineTransform at)

Transform the polyline with the given transform.

Specified by:

transform in class Polyline2D

translate

public void translate(double x,
                      double y)

Translate the polyline the given distance.

Specified by:

translate in class Polyline2D