| Class Summary | 
| AImage | The most important class in the worldimages package. | 
| CircleImage | An outlined circle | 
| ColoredImage | Any image that explicitly stores a color and a mode. | 
| Crop | A rectangular window on an existing image. | 
| DrawTest | A bunch of test cases that draw examples on the screen. | 
| EllipseImage | An outlined ellipse | 
| FreezeImage | An image with a memoized raster rendering. | 
| FromFileImage | The class to represent an image that came from a .png file and 
 is to be drawn by the  
 world when drawing on its Canvas. | 
| FromURLImage | An image loaded from a URL over the network. | 
| ImageMaker | This class allows the user to read image data from a .png file
 and save it as a RenderedImagein the format that
 is used for theWorldwhen drawing on its canvas. | 
| ImageMakerApplet | This class allows the user to read image data from a .png file
 and save it as a RenderedImagein the format that
 is used for theWorldwhen drawing on itsWorldCanvas. | 
| LinearImage | An image which is a translation of another existing image. | 
| LoadedImages | Singleton class to hold a table of already-loaded images. | 
| LooksTheSame | A singleton class to represent the operation of checking whether two images render the same. | 
| OverlayImage | The overlay of two images. | 
| PolygonImage | The class to represent filled Polygon images drawn by the
 world when drawing on its Canvas. | 
| Posn | To represent a point on the drawing WorldCanvasorAppletCanvaas | 
| RasterImage | An image stored explicitly in raster form. | 
| RectangleImage | A filled  or outlined rectangle | 
| RectangularImage | An image that directly stores its own width and height. | 
| SampleImages | A home for sample images students can use without worrying about files and URL's. | 
| TestAImage | A bunch of test cases for various methods in AImage. | 
| TextImage | An image of some text. | 
| WorldEnd | The class to represent a pair of values booleanand.WorldImage |