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In the next module, I will teach you how to invert images and how to display images using Ericson's PictureExplorer object.
While not a requirement of the course, you can select the following links to view optional online video lectures on the material in thismodule.
This section contains a variety of miscellaneous information.
Financial : Although the Connexions site makes it possible for you to download a PDF file for thismodule at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, you should beaware that some of the HTML elements in this module may not translate well into PDF.
I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version of the module.
In the past, unknown individuals have misappropriated copies of my modules from cnx.org, converted them to Kindle books, andplaced them for sale on Amazon.com showing me as the author. I receive no compensation for those sales and don't know who doesreceive compensation. If you purchase such a book, please be aware that it is a bootleg copy of a module that is freelyavailable on cnx.org.
Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.
A complete listing of the program discussed in this module is shown in Listing 9 below.
| Listing 9 . Source code for Prob01 . |
|---|
/*File Prob01 Copyright 2008 R.G.Baldwin
Command-line outputjavac 1.6.0_14
java version "1.6.0_14"Java(TM) SE Runtime Environment (build 1.6.0_14-b08)Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode,
sharing)Dick Baldwin.
A 300 by 274 world with 2 turtles in it.joe turtle at 44, 143 heading -135.0.
sue turtle at 250, 237 heading 0.0.*********************************************************/
import java.awt.Color;public class Prob01{//Driver class
public static void main(String[]args){
Prob01Runner obj = new Prob01Runner();obj.run();
System.out.println(obj.getMars());System.out.println(obj.getJoe());
System.out.println(obj.getSue());}//end main
}//end class Prob01//*******************************************************/
class Prob01Runner{//Instantiate the World and Turtle objects.
private World mars = new World(300,274);private Turtle joe = new Turtle(mars);
private Turtle sue = new Turtle(mars);public Prob01Runner(){//constructor
System.out.println("Dick Baldwin.");}//end constructor
//----------------------------------------------------////Accessor methods
public Turtle getJoe(){return joe;}public Turtle getSue(){return sue;}
public World getMars(){return mars;}//----------------------------------------------------//
//This method is where the action is.public void run(){
//Replace the default all-white picture with another// picture.
mars.setPicture(new Picture("Prob01.jpg"));mars.getPicture().addMessage(
"Dick Baldwin",10,20);//Manipulate the turtle named joe.
joe.setName("joe");joe.setBodyColor(Color.RED);
joe.setShellColor(Color.BLUE);joe.setPenColor(Color.YELLOW);
joe.setPenWidth(3);joe.forward();
joe.turn(-135);joe.setPenColor(Color.BLUE);
joe.forward(150);//Manipulate the turtle named sue
sue.setName("sue");sue.setPenWidth(2);
sue.setPenColor(Color.RED);sue.moveTo(183,170);
sue.setPenDown(false);sue.moveTo(216,203);
sue.setPenDown(true);sue.moveTo(250,237);
}//end run method}//end class Prob01Runner |
-end-
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