Class ZipImageLoader

public class ZipImageLoader

extends Object

This class is designed to cut dynamic load time by allowing the code developer to zip a large number of images and laod them as arrays in their program. Not only does this save download time by only requesting one file, the contents can be compressed.

comp

myImages

PATH

tracker

url

ZipImageLoader(String, Applet)

Creates a new Instance of the class, so it can be used later.

addImage(Image[], Image)

Used to Add an Image to the end of an Array.

getImages(String)

Downloads a zip file and extracts the contents into an images array.

 private static final String PATH

 Image myImages[]

 MediaTracker tracker

 String url

 Applet comp

 public ZipImageLoader(String url,
                       Applet c)

Creates a new Instance of the class, so it can be used later.

Parameters:

url - Base URL, where all the Zip files are kept.

c - Instance of an Applet, for call backs.

 public Image[] getImages(String file)

Downloads a zip file and extracts the contents into an images array. This function also makes use a MediaTracker to make sure the images download and uses CRC32 to make sure the file integrity is good.

Parameters:

file - The file to download and extract

Returns:

and Image Array with the contents of the Zip File.

 private Image[] addImage(Image ary[],
                          Image im)

Used to Add an Image to the end of an Array.

Parameters:

ary - The old array.

im - New Image to add.

Returns:

The new array.