nl.colorize.multimedialib.math

Class Polygon

java.lang.Object

nl.colorize.multimedialib.math.Polygon

All Implemented Interfaces:

Shape

public class Polygon
extends java.lang.Object
implements Shape

Describes a two-dimensional convex polygon with integer precision coordinates. The polygon is described by an array of points, e.g. [x0, y0, x1, y1, ...].

Constructor Summary

Constructors

Constructor and Description
Polygon(int[] points)

Method Summary

Modifier and Type	Method and Description
boolean	contains(int px, int py) Returns true if the specified point is located within this shape.
boolean	contains(Point2D p) Returns true if the specified point p is located within this shape.
boolean	contains(Shape s) Returns true if the shape s is entirely located within this shape.
boolean	equals(java.lang.Object o)
int	getNumPoints()
int[]	getPoints()
int	getPointX(int n)
int	getPointY(int n)
int	hashCode()
boolean	intersects(Shape s) Returns true if the shape s is entirely or partially located within this shape.
void	move(int dx, int dy)
void	rotateDegrees(int degrees, int ox, int oy)
void	rotateRadians(double radians, int ox, int oy)
void	setPoints(int[] points)
Polygon	toPolygon()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Polygon

public Polygon(int[] points)

Method Detail

setPoints

public void setPoints(int[] points)

getPoints

public int[] getPoints()

getNumPoints

public int getNumPoints()

getPointX

public int getPointX(int n)

getPointY

public int getPointY(int n)

move

public void move(int dx,
                 int dy)

rotateDegrees

public void rotateDegrees(int degrees,
                          int ox,
                          int oy)

rotateRadians

public void rotateRadians(double radians,
                          int ox,
                          int oy)

contains

public boolean contains(Point2D p)

Description copied from interface: Shape

Returns true if the specified point p is located within this shape. This includes cases where the point is located on one of the edges.

Specified by:

contains in interface Shape

contains

public boolean contains(int px,
                        int py)

Description copied from interface: Shape

Returns true if the specified point is located within this shape. This includes cases where the point is located on one of the edges.

Specified by:

contains in interface Shape

contains

public boolean contains(Shape s)

Description copied from interface: Shape

Returns true if the shape s is entirely located within this shape. This includes cases where the shape is located on this shape's edges.

Specified by:

contains in interface Shape

intersects

public boolean intersects(Shape s)

Description copied from interface: Shape

Returns true if the shape s is entirely or partially located within this shape.

Specified by:

intersects in interface Shape

toPolygon

public Polygon toPolygon()

Specified by:

toPolygon in interface Shape

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object