Package doodlepad

Class Polygon

java.lang.Object

doodlepad.Shape

doodlepad.Polygon

public class Polygon
extends Shape

A class that implements a general graphical polygon object made up of straight lines

Nested Class Summary

Nested classes/interfaces inherited from class doodlepad.Shape

Shape.ShapeMouseEventHandler, Shape.ShapeSelectionEventHandler

Field Summary

Fields inherited from class doodlepad.Shape

draggable, eventsEnabled, fillColor, filled, font, fontFamily, fontSize, fontStyle, height, layer, selectable, selected, shapeListener, strokeColor, stroked, strokeWidth, text, textFillColor, transform, visible, width, x, y

Constructor Summary

Constructors

Constructor	Description
Polygon(double[] xPoints, double[] yPoints)	Constructor for objects of class Polygon - double arrays
Polygon(double[] xPoints, double[] yPoints, Layer layer)	Constructor for objects of class Polygon - double arrays and Layer
Polygon(double[] xPoints, double[] yPoints, Pad pad)	Constructor for objects of class Polygon - double arrays and Pad
Polygon(int[] xPoints, int[] yPoints)	Constructor for objects of class Polygon - int arrays
Polygon(List<Point> points)	Constructor for objects of class Polygon
Polygon(List<Point> points, Layer layer)	Constructor for objects of class Polygon
Polygon(List<Point> points, Pad pad)	Constructor for objects of class Polygon

Method Summary

Modifier and Type	Method	Description
void	draw(Graphics2D g)	Draw the Polygon object
double	getX(int i)	Return the x-coordinate of the ith polygon point
double	getY(int i)	Return the y-coordinate of the ith polygon point
void	setLocation(double x, double y)	Set the current position of the polygon and redraw it.
void	setSize(double w, double h)	Update all polygon points to reflect new size
void	setX(int i, double x)	Update the x-coordinate of the ith polygon point
void	setY(int i, double y)	Update the y-coordinate of the ith polygon point
String	toString()	Generate a representation of the Polygon object.

Methods inherited from class doodlepad.Shape

contains, contains, drawText, getArea, getCenter, getDraggable, getEventsEnabled, getFillAlpha, getFillBlue, getFillColor, getFilled, getFillGreen, getFillRed, getFontFamily, getFontSize, getFontStyle, getHeight, getLayer, getLocation, getPad, getPadLocation, getSelectable, getSelected, getSize, getStrokeAlpha, getStrokeBlue, getStrokeColor, getStroked, getStrokeGreen, getStrokeRed, getStrokeWidth, getText, getTransform, getVisible, getWidth, getWindowLocation, getX, getY, intersects, move, onMouseClicked, onMouseDoubleClicked, onMouseDragged, onMouseEntered, onMouseExited, onMouseMoved, onMousePressed, onMouseReleased, onSelectionChanged, repaint, reset, rotate, rotate, scale, scale, scale, scale, setCenter, setCenter, setDraggable, setEventsEnabled, setFillColor, setFillColor, setFillColor, setFillColor, setFilled, setFontFamily, setFontSize, setFontStyle, setHeight, setLocation, setMouseClickedHandler, setMouseDoubleClickedHandler, setMouseDraggedHandler, setMouseEnteredHandler, setMouseExitedHandler, setMouseMovedHandler, setMousePressedHandler, setMouseReleasedHandler, setPadLocation, setSelectable, setSelected, setSelectionChangedHandler, setSize, setStrokeColor, setStrokeColor, setStrokeColor, setStrokeColor, setStroked, setStrokeWidth, setText, setTextColor, setTextColor, setTextColor, setTextColor, setTransform, setVisible, setWidth, setWindowLocation, setX, setY, toBack, toFront, toWindowCoords, toWindowCoords, translate

Methods inherited from class java.lang.Object

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

Constructor Details

Polygon

public Polygon(int[] xPoints,
 int[] yPoints)

Constructor for objects of class Polygon - int arrays

Parameters:

xPoints - The array of x-coordinates for all Polygon object points.

yPoints - The array of y-coordinates for all Polygon object points.

Polygon

public Polygon(double[] xPoints,
 double[] yPoints)

Constructor for objects of class Polygon - double arrays

Parameters:

xPoints - The array of x-coordinates for all Polygon object points.

yPoints - The array of y-coordinates for all Polygon object points.

Polygon

public Polygon(double[] xPoints,
 double[] yPoints,
 Pad pad)

Constructor for objects of class Polygon - double arrays and Pad

Parameters:

xPoints - The array of x-coordinates for all Polygon object points.

yPoints - The array of y-coordinates for all Polygon object points.

pad - The Pad to which the Polygon will be added.

Polygon

public Polygon(double[] xPoints,
 double[] yPoints,
 Layer layer)

Constructor for objects of class Polygon - double arrays and Layer

Parameters:

xPoints - The array of x-coordinates for all Polygon object points.

yPoints - The array of y-coordinates for all Polygon object points.

layer - The Layer object to which the Polygon will be added, or null if not to add to a Pad.

Polygon

public Polygon(List<Point> points)

Constructor for objects of class Polygon

Parameters:

points - List of Point objects that define coordinate points of Polygon

Polygon

public Polygon(List<Point> points,
 Pad pad)

Constructor for objects of class Polygon

Parameters:

points - List of Point objects that define coordinate points of Polygon

pad - The Pad to which the Polygon will be added.

Polygon

public Polygon(List<Point> points,
 Layer layer)

Constructor for objects of class Polygon

Parameters:

points - List of Point objects that define coordinate points of Polygon

layer - The Layer object to which the Polygon will be added, or null if not to add to a Pad.

Method Details

toString

public String toString()

Generate a representation of the Polygon object.

Overrides:

toString in class Shape

Returns:

String representation

setLocation

public void setLocation(double x,
 double y)

Set the current position of the polygon and redraw it.

Overrides:

setLocation in class Shape

Parameters:

x - the x-value of the position

y - the y-value of the position

setSize

public void setSize(double w,
 double h)

Update all polygon points to reflect new size

Overrides:

setSize in class Shape

Parameters:

w - New width

h - New height

getX

public double getX(int i)

Return the x-coordinate of the i^th polygon point

Parameters:

i - Point number

Returns:

x-coordinate of i^th point

setX

public void setX(int i,
 double x)

Update the x-coordinate of the i^th polygon point

Parameters:

i - Point number

x - New x-coordinate value for i^th point

getY

public double getY(int i)

Return the y-coordinate of the i^th polygon point

Parameters:

i - point number

Returns:

y-coordinate of i^th point

setY

public void setY(int i,
 double y)

Update the y-coordinate of the i^th polygon point

Parameters:

i - Point number

y - New y-coordinate value for i^th point

draw

public void draw(Graphics2D g)

Draw the Polygon object

Specified by:

draw in class Shape

Parameters:

g - The Graphics2D object on which to draw the Polygon