Lab 7: Graphics and Applets

1. Review the example graphics files mentioned in Lecture 8.
2. Create an empty directory named javalab7/ in your directory.
3. Create an HTML file named bargraph.html in your folder.
   • Copy HelloWorld.html to bargraph.html and change appropriately:
     • Change the title to Bar Graph Applet by Your Name.
     • Change the applet tag to use your applet code.
     • Change the width to 400, height 300.
   • In the applet tag, add parameter lines for each of the following:
     • three labels, label1, label2 and label3. Provide any three strings for the label values.
     • three values, value1, value2 and value3. Provide any three integers between 0 and 200.
4. Create an applet named BarGraphApplet.java in your folder.
   • Copy HelloWorldApplet.java to BarGraphApplet.java.
     • Change the class name to BarGraphApplet.
   • Read the six parameters using the getParameter() function for each.
     • The labels should be strings. Cast the values to integers.
   • Paint three label strings at x=10 and y positions 50, 150 and 250.
   • Paint three filled rectangles to represent the three values.
     • Use three different colors e.g. cyan, magenta and yellow.
     • The x positions should be 200. The y positions should be 0, 100 and 200.
     • Use the values as the widths. The heights should be 100.
   • Paint strings for the three values at x=210 and the same y positions.
     • Return the foreground color to black first.
5. Compile the applet by typing javac BarGraphApplet.java.
6. Open bargraph.html to test and debug the applet.
7. Compress the folder using the Ark archiving program to produce javalab7.zip.
8. Send the javalab7.zip file to gvogl@umu.ac.ug as an attachment in a message with subject java lab 7.