Class AbstractShape

java.lang.Object
  AbstractShape

Direct Known Subclasses:

RectangleShape

public abstract class AbstractShape
extends Object

Class AbstractShape: abstract class for shapes that can be represented with 2 points Copyright Georgia Institute of Technology 2007

Author:

Barb Ericson ericson@cc.gatech.edu

Field Summary

protected Color	color the color of this shape
static String	OVAL
protected Point	p1 the first point in the shape
protected Point	p2 the second point in the shape
static String	RECTANGLE

Constructor Summary

AbstractShape()
Constructor that takes no arguments

AbstractShape(int x1, int y1, int x2, int y2)
Constructor that takes x1,y1,x2,y2

AbstractShape(Point firstPoint, Point secondPoint)
Constructor that takes the first and second point

Method Summary

abstract void	draw(Graphics g) Abstract method to draw the shape given the graphics context
int	getHeight() Method to get the height of the bounding rectangle
int	getMinX() Method to get minimum x value of the bounding rectangle
int	getMinY() Method to get the minimum y value of the bounding rectangle
int	getWidth() Method to get the width of the bounding rectangle
void	setPoint1Values(int newX, int newY) Method to set the point values for point1 that defines the shape
void	setPoint2Values(int newX, int newY) Method to set the point values for point2 that defines the shape

Methods inherited from class java.lang.Object

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

Field Detail

RECTANGLE

public static final String RECTANGLE

See Also:

Constant Field Values

OVAL

public static final String OVAL

See Also:

Constant Field Values

color

protected Color color

the color of this shape

p1

protected Point p1

the first point in the shape

p2

protected Point p2

the second point in the shape

Constructor Detail

AbstractShape

public AbstractShape()

Constructor that takes no arguments

AbstractShape

public AbstractShape(Point firstPoint,
                     Point secondPoint)

Constructor that takes the first and second point

Parameters:

firstPoint - the first point that defines the shape

secondPoint - the second point that defines the shape

AbstractShape

public AbstractShape(int x1,
                     int y1,
                     int x2,
                     int y2)

Constructor that takes x1,y1,x2,y2

Parameters:

x1 - x value of the first point that defines the shape

y1 - y value of the first point that defines the shape

x2 - x value of the second point that defines the shape

y2 - y value of the second point that defines the shape

Method Detail

getMinX

public int getMinX()

Method to get minimum x value of the bounding rectangle

Returns:

the minimum x value of the two points that define the shape

getMinY

public int getMinY()

Method to get the minimum y value of the bounding rectangle

Returns:

the minimum y value of the two points that define the shape

getWidth

public int getWidth()

Method to get the width of the bounding rectangle

Returns:

the width of the bounding rectangle

getHeight

public int getHeight()

Method to get the height of the bounding rectangle

Returns:

the height of the bounding rectangle

setPoint1Values

public void setPoint1Values(int newX,
                            int newY)

Method to set the point values for point1 that defines the shape

Parameters:

newX - the new x value for point 1

newY - the new y value for point 1

setPoint2Values

public void setPoint2Values(int newX,
                            int newY)

Method to set the point values for point2 that defines the shape

Parameters:

newX - the new x value for point 2

newY - the new y value for point 2

draw

public abstract void draw(Graphics g)

Abstract method to draw the shape given the graphics context

Parameters:

g - the graphics context to draw the shape on