Class DrawingLine

java.lang.Object

DrawingObject

DrawingLine

public class DrawingLine
extends DrawingObject

A DrawingLine is an extension of the DrawingObject abstract class. It is used to store the details pertaining to a line for the drawing program.

Constructor Summary

Constructors

Constructor and Description
DrawingLine(int x1, int y1, int x2, int y2) This constructs a new DrawingLine object.

Method Summary

Methods

Modifier and Type	Method and Description
void	drawObject(java.awt.Graphics2D g2) This function draws the line using the given Graphics2D context.
java.awt.Rectangle	getBoundingBox() This function returns a Bounding Box.
void	resizeObject(int x1, int y1, int x2, int y2) This resizes a DrawingLine object.
boolean	wasClicked(int px, int py) This function determines whether the given point (px, py), where the user has clicked, hits this line.

Methods inherited from class DrawingObject

clickHitEllipse, clickHitLine

Methods inherited from class java.lang.Object

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

Constructor Detail

DrawingLine

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

This constructs a new DrawingLine object. The line is defined by its two endpoints, (x1, y1) and (x2, y2).

Method Detail

resizeObject

public void resizeObject(int x1,
                int y1,
                int x2,
                int y2)

This resizes a DrawingLine object. The two endpoints, (x1, y1) and (x2, y2), that define the line are updated.

Specified by:

resizeObject in class DrawingObject

wasClicked

public boolean wasClicked(int px,
                 int py)

This function determines whether the given point (px, py), where the user has clicked, hits this line.

Specified by:

wasClicked in class DrawingObject

getBoundingBox

public java.awt.Rectangle getBoundingBox()

This function returns a Bounding Box. A bounding box is the smallest rectangle that contains the line.

Specified by:

getBoundingBox in class DrawingObject

drawObject

public void drawObject(java.awt.Graphics2D g2)

This function draws the line using the given Graphics2D context.

Specified by:

drawObject in class DrawingObject