zio
Class ZPixels

java.lang.Object

  zio.ZObject

      zio.ZPixels

public class ZPixels

extends ZObject

This, AS YET UNIMPLEMENTED, class will define an area of the screen where you can plot colored points.

Constructor Summary

ZPixels()

Method Summary

protected void	action(boolean isLeftButton, java.awt.Point point) For execution when user clicks the mouse over the ZPixels.
ZPixels	background(java.awt.Color c) Suffix that sets the background color.
void	clear()
ZPixels	color(java.awt.Color c) Sets the background color of the ZPixels.
void	draw()
protected void	enableMouseAction() Method for causing the action() method to be executed upon mouse clicks.
void	plot(java.awt.Color color, java.awt.Point p)
ZPixels	size(java.awt.Dimension desiredSize) Suffix that overrides the default size.

Methods inherited from class zio.ZObject

getSize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ZPixels

public ZPixels()

Method Detail

size

public final ZPixels size(java.awt.Dimension desiredSize)

Suffix that overrides the default size.

Parameters:

desiredSize - the desired size

color

public final ZPixels color(java.awt.Color c)

Sets the background color of the ZPixels. Need not be used as a suffix but when it is used as a suffix the effect is the same as the background suffix

Parameters:

c - the desired color

background

public final ZPixels background(java.awt.Color c)

Suffix that sets the background color. The effect is identical to the color method.

Parameters:

c - the desired background color

plot

public final void plot(java.awt.Color color,
                       java.awt.Point p)

clear

public final void clear()

draw

public final void draw()

enableMouseAction

protected void enableMouseAction()

Method for causing the action() method to be executed upon mouse clicks. Has no discernable effect unless the action() method is overridden in a subclass.

action

protected void action(boolean isLeftButton,
                      java.awt.Point point)

For execution when user clicks the mouse over the ZPixels. In this base class the action() method does nothing and is not invoked.

To cause this method to be invoked whenever the user clicks the mouse,

1. override the method in a subclass, and
2. in the your subclass's constructor, execute enableMouseAction()

You can also execute suffixes inside this constructor rather than waiting for an object to be created. (When overriding a ZObject class, it is usually easier to use suffixes this way.)

The point passed to action() has the upper lefthand corner of the component as its origin. The y coordinate is positive in a downward direction.

Parameters:

isLeftButton - true when the clicked button was the left or "first" button

point - coordinates of the point where the left mouse button was released

See Also:

Point