client
Class DoubleBufferedContainer

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--client.DoubleBufferedContainer

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class DoubleBufferedContainer

extends java.awt.Container

A double buffered container.

Author:

Garrett Wampole

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

DoubleBufferedContainer()
Creates an empty DoubleBufferedContainer.

DoubleBufferedContainer(java.awt.Image wallPaperImage)
Creates a DoubleBufferedContainer with the specified background image.

Method Summary

void	blitBackgroundToScreen(java.awt.Rectangle r) Does the same thing as blitBackGroundToWorkplace( Rectangle r ).
void	blitBackgroundToWorkplace() Blits the entire backingstore to the front buffer
void	blitBackgroundToWorkplace(java.awt.Rectangle r) Blits the specified rectangle to the front buffer.
void	blitWorkplaceToScreen() Does the same thing as blitBackgroundtoWorkplace().
void	blitWorkplaceToScreen(java.awt.Rectangle r) Does the same thing as blitBackGroundToWorkplace( Rectangle r ).
void	eraseComponent(java.awt.Component comp) Deletes the specified component as soon as possible.
void	eraseComponent(java.awt.Component comp, boolean update) Deletes the specified component.
java.awt.Image	getBackgroundBuffer() Returns an Image representing the back buffer.
java.awt.Graphics	getBackgroundGraphics() Returns the graphics context of the back buffer.
java.awt.Image	getWorkplaceBuffer() Returns an Image representing the front buffer.
java.awt.Graphics	getWorkplaceGraphics() Returns the graphics context of the front buffer.
void	moveComponent(java.awt.Component comp, java.awt.Point location) Moves the specified component to the specifies point.
void	moveComponent(java.awt.Component comp, java.awt.Point newLoc, boolean update) Moves the specified component to the specified point.
void	paint(java.awt.Graphics g) Paints components on the container.
protected void	paintBackground() Paints the background Image.
protected void	paintBackground(java.awt.Graphics g) Paints the background Image.
protected void	paintBackground(java.awt.Rectangle clip) Paints the specified portion of the background Image.
void	paintComponent(java.awt.Component comp) Paints the specified component as soon as possible.
void	paintComponent(java.awt.Component comp, boolean update) Paints the specified compoents as soon as possible.
void	paintComponents(java.awt.Rectangle clip, boolean update) Paints all the compoents in the specified rectangle.
protected void	paintOverlappingComponents(java.awt.Component comp) Correctly paints overlapping components.
void	setWallpaperImage(java.awt.Image wallPaperImage) Sets the wallpaper image.
void	update(java.awt.Graphics g) Calls paint().
protected boolean	windowDamaged(java.awt.Graphics g) Returns true or false based on if the front and back buffers to not match.

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addNotify, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleBufferedContainer

public DoubleBufferedContainer()

Creates an empty DoubleBufferedContainer.

DoubleBufferedContainer

public DoubleBufferedContainer(java.awt.Image wallPaperImage)

Creates a DoubleBufferedContainer with the specified background image.

Parameters:

wallPaperImage - A background image

Method Detail

setWallpaperImage

public void setWallpaperImage(java.awt.Image wallPaperImage)

Sets the wallpaper image.

Parameters:

wallPaperImage - A background Image

update

public void update(java.awt.Graphics g)

Calls paint().

Overrides:

update in class java.awt.Container

Parameters:

g - A graphics context

paint

public void paint(java.awt.Graphics g)

Paints components on the container.

Overrides:

paint in class java.awt.Container

Parameters:

g - A graphics context

paintComponents

public void paintComponents(java.awt.Rectangle clip,
                            boolean update)

Paints all the compoents in the specified rectangle.

Parameters:

clip - The bounding rectangle

update - Flags whether or not the background gets redrawn

paintComponent

public void paintComponent(java.awt.Component comp)

Paints the specified component as soon as possible.

Parameters:

comp - The component to be painted

eraseComponent

public void eraseComponent(java.awt.Component comp)

Deletes the specified component as soon as possible.

Parameters:

comp - The component to be deleted

moveComponent

public void moveComponent(java.awt.Component comp,
                          java.awt.Point location)

Moves the specified component to the specifies point.

Parameters:

comp - The component to be moved

location - The point where the component is to be moved

paintComponent

public void paintComponent(java.awt.Component comp,
                           boolean update)

Paints the specified compoents as soon as possible.

Parameters:

comp - The component to be painted

update - Flags whether or not the background gets redrawn

eraseComponent

public void eraseComponent(java.awt.Component comp,
                           boolean update)

Deletes the specified component.

Parameters:

comp - The component to be deleted

update - Flags whether or not the background gets redrawn

moveComponent

public void moveComponent(java.awt.Component comp,
                          java.awt.Point newLoc,
                          boolean update)

Moves the specified component to the specified point.

Parameters:

comp - The component to be moved

newLoc - The point where the component is to be moved

update - Flags whether or not the background gets redrawn

getWorkplaceGraphics

public java.awt.Graphics getWorkplaceGraphics()

Returns the graphics context of the front buffer.

Returns:

A graphics context

getBackgroundGraphics

public java.awt.Graphics getBackgroundGraphics()

Returns the graphics context of the back buffer.

Returns:

A graphics context

blitBackgroundToWorkplace

public void blitBackgroundToWorkplace()

Blits the entire backingstore to the front buffer

blitWorkplaceToScreen

public void blitWorkplaceToScreen()

Does the same thing as blitBackgroundtoWorkplace().

blitBackgroundToWorkplace

public void blitBackgroundToWorkplace(java.awt.Rectangle r)

Blits the specified rectangle to the front buffer.

Parameters:

r - The bounding rectangle

blitWorkplaceToScreen

public void blitWorkplaceToScreen(java.awt.Rectangle r)

Does the same thing as blitBackGroundToWorkplace( Rectangle r ).

blitBackgroundToScreen

public void blitBackgroundToScreen(java.awt.Rectangle r)

Does the same thing as blitBackGroundToWorkplace( Rectangle r ).

getWorkplaceBuffer

public java.awt.Image getWorkplaceBuffer()

Returns an Image representing the front buffer.

Returns:

An Image

getBackgroundBuffer

public java.awt.Image getBackgroundBuffer()

Returns an Image representing the back buffer.

Returns:

An Image

windowDamaged

protected boolean windowDamaged(java.awt.Graphics g)

Returns true or false based on if the front and back buffers to not match.

Parameters:

g - A graphics context

Returns:

True or false

paintOverlappingComponents

protected void paintOverlappingComponents(java.awt.Component comp)

Correctly paints overlapping components.

Parameters:

comp - A overlapped component

paintBackground

protected void paintBackground()

Paints the background Image.

paintBackground

protected void paintBackground(java.awt.Rectangle clip)

Paints the specified portion of the background Image.

Parameters:

clip - The bounding rectangle

paintBackground

protected void paintBackground(java.awt.Graphics g)

Paints the background Image.

Parameters:

g - A graphics context