Package com.dkt.graphics.elements

Class GRegPoly

java.lang.Object

com.dkt.graphics.elements.GraphicE

com.dkt.graphics.elements.GFillableE

com.dkt.graphics.elements.GMultiPoint

com.dkt.graphics.elements.GPoly

com.dkt.graphics.elements.GRegPoly

All Implemented Interfaces:

Cloneable, Iterable<GPoint>

public class GRegPoly
extends GPoly

Author:

Federico Vera <[email protected]>

Field Summary

Fields inherited from class com.dkt.graphics.elements.GMultiPoint

modCount, mutex, size, xs, ys

Fields inherited from class com.dkt.graphics.elements.GraphicE

STROKE

Constructor Summary

Constructors

Constructor	Description
GRegPoly(int x, int y, int r, int n, double a)	Constructs a regular polygon contained in a circle
GRegPoly(GRegPoly e)	Copy constructor

Method Summary

Modifier and Type	Method	Description
double	area()	Calculates the area of this polygon
GRegPoly	clone()
boolean	contains(int xx, int yy)	Tells if a point is contained in the polygon
boolean	contains(GPoint p)	Tells if a GPoint is contained in the polygon
boolean	equals(Object obj)
int	getRadius()	Returns the radius of the circle used to create
int	getX()	Retrieves the X coordinate of the center of the polygon
int	getY()	Retrieves the Y coordinate of the center of the polygon
int	hashCode()
double	perimeter()	Calculated the perimeter of this polygon
void	radRotate(double angle)	Rotates the current GRegPoly a given angle
void	rotate(double angle)	Rotates the current GRegPoly a given angle
void	traslate(int x, int y)	Traslates this element on X and Y

Methods inherited from class com.dkt.graphics.elements.GPoly

draw

Methods inherited from class com.dkt.graphics.elements.GMultiPoint

append, append, appendNR, clear, ensureCapacity, getPointAt, getPoints, getShape, indexOf, indexOf, indexOf, indexOf, isEmpty, iterator, remove, remove, remove, size, sortByX, trimToSize

Methods inherited from class com.dkt.graphics.elements.GFillableE

fill, getFillPaint, setFill, setFillPaint

Methods inherited from class com.dkt.graphics.elements.GraphicE

getPaint, getStroke, setPaint, setStroke

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

GRegPoly

public GRegPoly(GRegPoly e)

Copy constructor

Parameters:

e - GRegPoly to copy

Throws:

IllegalArgumentException - if e is null

GRegPoly

public GRegPoly(int x,
 int y,
 int r,
 int n,
 double a)

Constructs a regular polygon contained in a circle

Parameters:

x - X coordinate of the center of the circle

y - Y coordinate of the center of the circle

r - radius of the circle

n - number of sides

a - angle of the first point

Method Details

getX

public int getX()

Retrieves the X coordinate of the center of the polygon

Returns:

x coordinate of the center

getY

public int getY()

Retrieves the Y coordinate of the center of the polygon

Returns:

y coordinate of the center

getRadius

public int getRadius()

Returns the radius of the circle used to create

Returns:

radius

area

public double area()

Calculates the area of this polygon

Returns:

area of the polygon

perimeter

public double perimeter()

Calculated the perimeter of this polygon

Returns:

perimeter

contains

public boolean contains(GPoint p)
                 throws IllegalArgumentException

Tells if a GPoint is contained in the polygon

Parameters:

p - GPoint to evaluate

Returns:

true if the point is contained and false otherwise

Throws:

IllegalArgumentException - if p is null

contains

public boolean contains(int xx,
 int yy)

Tells if a point is contained in the polygon

Parameters:

xx - X coordinate of the point

yy - Y coordinate of the point

Returns:

true if the point is contained and false otherwise

rotate

public void rotate(double angle)

Rotates the current GRegPoly a given angle

Parameters:

angle - angle in degrees

radRotate

public void radRotate(double angle)

Rotates the current GRegPoly a given angle

Parameters:

angle - angle in radians

traslate

public void traslate(int x,
 int y)

Description copied from class: GraphicE

Traslates this element on X and Y

Overrides:

traslate in class GMultiPoint

Parameters:

x - size in px of the horizontal translation

y - size in px of the vertical translation

clone

public GRegPoly clone()

Overrides:

clone in class GPoly

hashCode

public int hashCode()

Overrides:

hashCode in class GMultiPoint

equals

public boolean equals(Object obj)

Overrides:

equals in class GMultiPoint