cs101.awt
Class Line

java.lang.Object
  cs101.awt.Line

public class Line

extends java.lang.Object

Implements a 4-coordinate (+ optional Color) line abstraction with its own drawing method. Also, implements a translation between Line objects and String objects for handling by less intelligent protocols.

Copyright 1996 Massachusetts Institute of Technology

Version:

$Id: Line.java,v 1.1.1.1 2002/06/05 21:56:32 root Exp $

Author:

Maciej Stachowiak, maciej@ai.mit.edu, Lynn Andrea Stein, las@ai.mit.edu

See Also:

Graphics

Field Summary

static java.awt.Color

DEFAULT_COLOR This specifies the default color for a line.

Constructor Summary

Line(int startX, int startY, int endX, int endY)
Construct a line, specifying all 4 coordinates and using the default color.

Line(int startX, int startY, int endX, int endY, java.awt.Color c)
Construct a line, specifying all 4 coordinates and a specific color.

Method Summary

void	drawOn(java.awt.Graphics g)
static Line	extractLine(java.lang.String s) Given a String that was originally created by packLine, this function will return a reference to a new Line object that represents the original Line.
static java.lang.String	packLine(Line l) This method converts a Line into a String.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_COLOR

public static final java.awt.Color DEFAULT_COLOR

This specifies the default color for a line. It may not be changed.

Constructor Detail

Line

public Line(int startX,
            int startY,
            int endX,
            int endY)

Construct a line, specifying all 4 coordinates and using the default color.

Line

public Line(int startX,
            int startY,
            int endX,
            int endY,
            java.awt.Color c)

Construct a line, specifying all 4 coordinates and a specific color.

See Also:

Color

Method Detail

drawOn

public void drawOn(java.awt.Graphics g)

extractLine

public static Line extractLine(java.lang.String s)

Given a String that was originally created by packLine, this function will return a reference to a new Line object that represents the original Line.

See Also:

packLine(cs101.awt.Line)

packLine

public static java.lang.String packLine(Line l)

This method converts a Line into a String.

See Also:

extractLine(java.lang.String)