com.datamessenger.awt
Class BarCanvas

java.lang.Object

  |

  +--java.awt.Component

        |

        +--java.awt.Canvas

              |

              +--com.datamessenger.awt.BarCanvas

Direct Known Subclasses:

TimeLine

public class BarCanvas

extends java.awt.Canvas

Copyright (c) 1999-2000 Produx House, Corp. All rights reserved.

Version:

1.0, September 30 2000

Author:

Jon L. Boynton

See Also:

Serialized Form

Field Summary

protected BarContext	bar
protected ColorScheme	color
protected java.awt.Rectangle	shade
protected double	transparency

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Constructor Summary

BarCanvas(BarContext bar, ColorScheme color)
A new blank BarCanvas.

Method Summary

BarContext	getContext()
void	paint(java.awt.Graphics g) Calls update.
void	setBounds(int x, int y, int width, int height)
void	setShadeArea(java.awt.Rectangle shade)
void	setShadeTransparency(double trans)
void	update(java.awt.Graphics g) Paints button with a Graphics object.

Methods inherited from class java.awt.Canvas

addNotify

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getName, getParent, getPeer, getPreferredSize, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFont, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, validate

Methods inherited from class java.lang.Object

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

Field Detail

bar

protected BarContext bar

shade

protected java.awt.Rectangle shade

color

protected ColorScheme color

transparency

protected double transparency

Constructor Detail

BarCanvas

public BarCanvas(BarContext bar,

                 ColorScheme color)

A new blank BarCanvas.

Method Detail

setBounds

public void setBounds(int x,

                      int y,

                      int width,

                      int height)

Overrides:

setBounds in class java.awt.Component

setShadeTransparency

public void setShadeTransparency(double trans)

setShadeArea

public void setShadeArea(java.awt.Rectangle shade)

getContext

public BarContext getContext()

paint

public void paint(java.awt.Graphics g)

Calls update.

Overrides:

paint in class java.awt.Canvas

Parameters:

g - the graphics context of this component.

update

public void update(java.awt.Graphics g)

Paints button with a Graphics object.

Overrides:

update in class java.awt.Component

Parameters:

g - the graphics context of this component.