Class ImageCanvas 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----ImageCanvas
public class ImageCanvas
extends Canvas

ImageCanvas is a Canvas that holds an Image. The Image can be switched, but ImageCanvas assumes all Images have the same dimensions of the first image.

Constructor Index

o ImageCanvas()
This is provided for convenience only.
o ImageCanvas(ImageCanvasEventHandler, Image)
Creates an ImageCanvas with the specified event handler and initial image.

Method Index

o draw()
Draws the ImageCanvas
o minimumSize()
o mouseDown(Event, int, int)
Handles a mouseDown event by calling the ImageCanvas' callback (set in the constructor).
o mouseUp(Event, int, int)
Doesn't do anything right now
o paint(Graphics)
o preferredSize()
o setImage(Image)
Sets the ImageCanvas to a new Image.

Constructors

o ImageCanvas 
 public ImageCanvas()
This is provided for convenience only. ImageCanvas objects must be initialized by calling a constructor that has parameters.

o ImageCanvas 
 public ImageCanvas(ImageCanvasEventHandler handler,
                    Image image)
Creates an ImageCanvas with the specified event handler and initial image.

Parameters:
handler - a callback function that handles events generated by this ImageCanvas
Image - initial Image to be displayed. All subsequent Images set with setImage should have the same dimensions.

Methods

o preferredSize 
 public Dimension preferredSize()
Overrides:
preferredSize in class Component
o minimumSize 
 public Dimension minimumSize()
Overrides:
minimumSize in class Component
o paint 
 public void paint(Graphics g)
Overrides:
paint in class Canvas
o draw 
 public void draw()
Draws the ImageCanvas

o setImage 
 public void setImage(Image image)
Sets the ImageCanvas to a new Image. This should have the same dimensions as the initial Image.

o mouseDown 
 public boolean mouseDown(Event event,
                          int x,
                          int y)
Handles a mouseDown event by calling the ImageCanvas' callback (set in the constructor).

Overrides:
mouseDown in class Component
o mouseUp 
 public boolean mouseUp(Event event,
                        int x,
                        int y)
Doesn't do anything right now

Overrides:
mouseUp in class Component