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diva.util.java2d
Class Polygon2D.Float

java.lang.Object
 extended bydiva.util.java2d.Polygon2D
 extended bydiva.util.java2d.Polygon2D.Float

All Implemented Interfaces:

java.awt.Shape

Enclosing class:

Polygon2D

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public static class Polygon2D.Float

extends Polygon2D

The concrete Polygon class that stores coordinates internally as floats.

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Nested Class Summary

Nested classes inherited from class diva.util.java2d.Polygon2D

Polygon2D.Double, Polygon2D.Float

Field Summary

Fields inherited from class diva.util.java2d.Polygon2D

_closed, _coordCount

Constructor Summary

Polygon2D.Float() Create a new polygon with no vertices.

Polygon2D.Float(float[] coords) Create a new polygon with space for the given number of vertices.

Polygon2D.Float(float x, float y) Create a new polygon with a single start point

Polygon2D.Float(int size) Create a new polygon with space for the given number of vertices.

Method Summary
java.awt.geom.Rectangle2D	getBounds2D() Get the floating-point bounds of the polygon.
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 polygon with the given transform.
void	translate(double x, double y) Translate the polygon the given distance.

Methods inherited from class diva.util.java2d.Polygon2D

closePath, 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

Constructor Detail

Polygon2D.Float

public Polygon2D.Float(int size)

Create a new polygon with space for the given number of vertices.

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Polygon2D.Float

public Polygon2D.Float(float[] coords)

Create a new polygon with space for the given number of vertices.

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Polygon2D.Float

public Polygon2D.Float()

Create a new polygon with no vertices.

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Polygon2D.Float

public Polygon2D.Float(float x,
 float y)

Create a new polygon with a single start point

Method Detail

getBounds2D

public java.awt.geom.Rectangle2D getBounds2D()

Get the floating-point bounds of the polygon.

Specified by:

getBounds2D in interface java.awt.Shape

Specified by:

getBounds2D in class Polygon2D

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getX

public double getX(int index)

Get the given X-coordinate

Specified by:

getX in class Polygon2D

Throws:

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

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getY

public double getY(int index)

Get the given Y-coordinate

Specified by:

getY in class Polygon2D

Throws:

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

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lineTo

public void lineTo(double x,
 double y)

Add a new vertex to the end of the line.

Specified by:

lineTo in class Polygon2D

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moveTo

public void moveTo(double x,
 double y)

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

Specified by:

moveTo in class Polygon2D

Throws:

java.lang.UnsupportedOperationException - The polygon already has vertices

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setX

public void setX(int index,
 double x)

Set the given X-coordinate.

Specified by:

setX in class Polygon2D

Throws:

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

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setY

public void setY(int index,
 double y)

Set the given Y-coordinate

Specified by:

setY in class Polygon2D

Throws:

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

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transform

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

Transform the polygon with the given transform.

Specified by:

transform in class Polygon2D

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translate

public void translate(double x,
 double y)

Translate the polygon the given distance.

Specified by:

translate in class Polygon2D

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