xinca.components
Class XBoard

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JPanel
                          |
                          +--xinca.components.XBoard

All Implemented Interfaces:

javax.accessibility.Accessible, edu.gatech.coc.inca.arch.module.Accessor, edu.gatech.coc.inca.arch.constants.AttributeConstants, edu.gatech.coc.inca.arch.module.Capturer, Constants, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class XBoard

extends javax.swing.JPanel

implements edu.gatech.coc.inca.arch.module.Capturer, edu.gatech.coc.inca.arch.module.Accessor, Constants

The xINCA xBoard component - a shared whiteboard.

Copyright (c) 2002 ICMC-USP.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

Since:

JDK1.4

Author:

Renan Gonçalves Cattelan

See Also:

Serialized Form

Field Summary

Fields inherited from class javax.swing.JComponent

TOOL_TIP_TEXT_KEY, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface edu.gatech.coc.inca.arch.constants.AttributeConstants

ATTRIBUTE_NAME__APPLICATION, ATTRIBUTE_NAME__APPLICATION_EVENT, ATTRIBUTE_NAME__CONTEXT_TYPE, ATTRIBUTE_NAME__DATA_TYPE, ATTRIBUTE_NAME__EVENT, ATTRIBUTE_NAME__LOCATION, ATTRIBUTE_NAME__PERSON, ATTRIBUTE_NAME__TIMESTAMP, ATTRIBUTE_VALUE__AUDIO_DATA, ATTRIBUTE_VALUE__PEOPLE_PRESENT_CONTEXT, ATTRIBUTE_VALUE__VIDEO_DATA

Fields inherited from interface xinca.constants.Constants

CHAT_TOKEN, DEFAULT_BOARD_HEIGHT, DEFAULT_BOARD_WIDTH, DEFAULT_INCAD_HOST, DEFAULT_SESSION_ID, DEFAULT_SLIDE_ID, DEFAULT_STROKE_ID, DEFAULT_STROKE_WIDTH, JUMP_TO_TOKEN, NEW_SLIDE_TOKEN, PROXY_PORT, RECEIVE_STROKE_TOKEN, SLIDE_FROM_IMAGE_URL_TOKEN, SOUND_TOKEN, SOUND_TRANSMISSION_PACKAGE_SIZE, THICK_STROKE, THIN_STROKE, VIDEO_TOKEN, VIDEO_TRANSMISSION_PACKAGE_SIZE, WEBLOG_TOKEN, WHITEBOARD_TOKEN

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, int port, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, int port, java.util.Vector imageVector, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, java.util.Vector imageVector, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.util.Vector imageVector, boolean captureOn, boolean accessOn)
Constructor

XBoard(int sessionID, java.lang.String username, xinca.components.XBoardListener xBoardListener, java.util.Vector imageVector, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, java.util.Vector imageVector, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.lang.String host, java.util.Vector imageVector, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.util.Vector imageVector, boolean captureOn, boolean accessOn)
Constructor

XBoard(java.lang.String username, xinca.components.XBoardListener xBoardListener, java.util.Vector imageVector, java.awt.Dimension boardDimensions, boolean captureOn, boolean accessOn)
Constructor

Method Summary

java.awt.image.BufferedImage	board2Image() Creates an image from the whiteboard draw area
void	clear() Clears the main data members of the whiteboard
void	createSlideFromImage(java.awt.Image img) Inserts a new slide with background into the XBoard It does not multicast the new slide through INCA
void	createSlidesFromImages(java.util.Vector imageVector) Creates a set of slides from pre-loaded images
void	eraseAt(int x, int y) Erase slide near a point
int	getCurrentSlideIndex() Gets the current slide index
java.awt.Dimension	getMinimumSize() Gets the minimum dimension of the whiteboard
java.awt.Color	getPenColor() Gets the pen (drawing) color
java.awt.Dimension	getPreferredSize() Gets the preferred dimension of the whiteboard
int	getSessionID() Gets the current session id
int	getStrokeWidth() Gets the pen thickness
void	handle(edu.gatech.coc.inca.arch.data.DataObject data_object) Callback method to handle a data_object this accessor is being notified of
void	handle(edu.gatech.coc.inca.arch.data.DataVector data_vector) Callback method to handle a data_vector this accessor is being notified of
void	handleStroke(common.data.Stroke stroke) Handles a stroke received by the INCA access module
void	jumpToSlide(int index) Jumps to a new slide
void	newSlide() Creates a new (blank) slide after the actual slide index position (the following slides will be one position shifted
void	newSlideAt(int index) Inserts a new slide
void	newSlideAt(int index, java.awt.Image image) Inserts a new slide with a image background
void	nextSlide() Changes to next slide (if there is not a next slide, a blank new one will be created)
int	numberOfSlides() Gets the number of slides
void	paint(java.awt.Graphics g) Paints the whiteboard
void	previousSlide() Changes to previous slide (if there is not a previous slide, nothing happens)
void	replaceSlideAt(java.awt.Image img, int index) Replaces a existing slide by a new one created from an image It does not multicast the new slide through INCA
void	sendStroke(common.data.Stroke stroke) Sends stroke through INCA
void	setEraseMode(boolean erase_state) Sets the pen's mode flag
void	setPenColor(java.awt.Color color) Sets the pen (drawing) color
void	setSessionID(int id) Sets the current session id
void	setStrokeWidth(int width) Sets the pen thickness
void	stateChanged(edu.gatech.coc.inca.arch.module.AccessModule module, boolean ready) Callback method to the state change of the access module
void	stateChanged(edu.gatech.coc.inca.arch.module.CaptureModule module, boolean ready) Callback method to the state change of the capture module
void	update() Updates the whiteboard
void	update(edu.gatech.coc.inca.arch.data.DataObject old_data, edu.gatech.coc.inca.arch.data.DataObject new_data) Callback method to indicate a update event in the capture module
void	update(java.awt.Graphics g) Updates the whiteboard
boolean	usingBackgroundImages() Indicates the use or not of background images in the slides

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getNextFocusableComponent, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintImmediately, paintImmediately, print, printAll, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, createImage, createImage, createVolatileImage, createVolatileImage, dispatchEvent, enable, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.util.Vector imageVector,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              java.util.Vector imageVector,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.util.Vector imageVector,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

boardDimensions - are the whiteboard dimensions (width and height)

host - is the InCAd host

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              java.util.Vector imageVector,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

boardDimensions - are the whiteboard dimensions (width and height)

host - is the InCAd host

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.util.Vector imageVector,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

host - is the InCAd host

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              java.util.Vector imageVector,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

host - is the InCAd host

imageVector - is the vector of background images

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.util.Vector imageVector,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

imageVector - is the vector of background images

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              int port,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

host - is the InCAd host

port - is the InCAd port

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

XBoard

public XBoard(int sessionID,
              java.lang.String username,
              xinca.components.XBoardListener xBoardListener,
              java.lang.String host,
              int port,
              java.util.Vector imageVector,
              java.awt.Dimension boardDimensions,
              boolean captureOn,
              boolean accessOn)

Constructor

Parameters:

sessionID - is the current session UID

username - is the username UID

xBoardListener - is the listener for the xBoard

host - is the InCAd host

port - is the InCAd port

imageVector - is the vector of background images

boardDimensions - are the whiteboard dimensions (width and height)

captureOn - is the capture On/Off flag

accessOn - is the access On/Off flag

Method Detail

getSessionID

public int getSessionID()

Gets the current session id

Returns:

the session UID

setSessionID

public void setSessionID(int id)

Sets the current session id

getCurrentSlideIndex

public int getCurrentSlideIndex()

Gets the current slide index

Returns:

the current slide index

numberOfSlides

public int numberOfSlides()

Gets the number of slides

Returns:

the number of slides

setEraseMode

public void setEraseMode(boolean erase_state)

Sets the pen's mode flag

Parameters:

erase_state - is the boolean pen's mode (false for pen and true for erase)

getPenColor

public java.awt.Color getPenColor()

Gets the pen (drawing) color

Returns:

the current drawing color

setPenColor

public void setPenColor(java.awt.Color color)

Sets the pen (drawing) color

Parameters:

color - is the current drawing color

getStrokeWidth

public int getStrokeWidth()

Gets the pen thickness

Returns:

the pen thickness

setStrokeWidth

public void setStrokeWidth(int width)

Sets the pen thickness

usingBackgroundImages

public boolean usingBackgroundImages()

Indicates the use or not of background images in the slides

Returns:

true if at least one of the slides have a background image, and false otherwise

handleStroke

public void handleStroke(common.data.Stroke stroke)

Handles a stroke received by the INCA access module

Parameters:

stroke - is the stroke to handle

sendStroke

public void sendStroke(common.data.Stroke stroke)

Sends stroke through INCA

Parameters:

stroke - is the Stroke to send

createSlidesFromImages

public void createSlidesFromImages(java.util.Vector imageVector)

Creates a set of slides from pre-loaded images

Parameters:

imageVector - is the vector with the pre-loaded images

createSlideFromImage

public void createSlideFromImage(java.awt.Image img)

Inserts a new slide with background into the XBoard It does not multicast the new slide through INCA

Parameters:

img - is the new slide's background image

replaceSlideAt

public void replaceSlideAt(java.awt.Image img,
                           int index)

Replaces a existing slide by a new one created from an image It does not multicast the new slide through INCA

Parameters:

img - is the new slide's background image

index - is where to insert the new slide

board2Image

public java.awt.image.BufferedImage board2Image()

Creates an image from the whiteboard draw area

Returns:

an image representing the whiteboard canvas

update

public void update()

Updates the whiteboard

update

public void update(java.awt.Graphics g)

Updates the whiteboard

Overrides:

update in class javax.swing.JComponent

Parameters:

g - is the Graphics object to use to paint with

paint

public void paint(java.awt.Graphics g)

Paints the whiteboard

Overrides:

paint in class javax.swing.JComponent

Parameters:

g - is the Graphics object to use to paint with

getPreferredSize

public java.awt.Dimension getPreferredSize()

Gets the preferred dimension of the whiteboard

Overrides:

getPreferredSize in class javax.swing.JComponent

Returns:

the preferred Dimension

getMinimumSize

public java.awt.Dimension getMinimumSize()

Gets the minimum dimension of the whiteboard

Overrides:

getMinimumSize in class javax.swing.JComponent

Returns:

the minimum Dimension

eraseAt

public void eraseAt(int x,
                    int y)

Erase slide near a point

Parameters:

x - is the int value X coordinate where to erase

y - is the int value Y coordinate where to erase

nextSlide

public void nextSlide()

Changes to next slide (if there is not a next slide, a blank new one will be created)

previousSlide

public void previousSlide()

Changes to previous slide (if there is not a previous slide, nothing happens)

newSlide

public void newSlide()

Creates a new (blank) slide after the actual slide index position (the following slides will be one position shifted

newSlideAt

public void newSlideAt(int index)

Inserts a new slide

Parameters:

index - is the position where to insert the new slide

newSlideAt

public void newSlideAt(int index,
                       java.awt.Image image)

Inserts a new slide with a image background

Parameters:

index - is the position where to insert the new slide

image - is the image to use as background

jumpToSlide

public void jumpToSlide(int index)

Jumps to a new slide

Parameters:

index - is the index of the slide to jump to

stateChanged

public void stateChanged(edu.gatech.coc.inca.arch.module.CaptureModule module,
                         boolean ready)

Callback method to the state change of the capture module

Specified by:

stateChanged in interface edu.gatech.coc.inca.arch.module.Capturer

Parameters:

module - is the capture module

ready - is the boolean state of the capture module

update

public void update(edu.gatech.coc.inca.arch.data.DataObject old_data,
                   edu.gatech.coc.inca.arch.data.DataObject new_data)

Callback method to indicate a update event in the capture module

Specified by:

update in interface edu.gatech.coc.inca.arch.module.Accessor

Parameters:

old_data - is the old DataObject

new_data - is the updated DataObject

stateChanged

public void stateChanged(edu.gatech.coc.inca.arch.module.AccessModule module,
                         boolean ready)

Callback method to the state change of the access module

Specified by:

stateChanged in interface edu.gatech.coc.inca.arch.module.Accessor

Parameters:

module - is the access module

ready - is the boolean state of the access module

handle

public void handle(edu.gatech.coc.inca.arch.data.DataObject data_object)

Callback method to handle a data_object this accessor is being notified of

Parameters:

data_object - is the DataObject to handle

handle

public void handle(edu.gatech.coc.inca.arch.data.DataVector data_vector)

Callback method to handle a data_vector this accessor is being notified of

Specified by:

handle in interface edu.gatech.coc.inca.arch.module.Accessor

Parameters:

data_vector - is the DataVector to handle

clear

public void clear()

Clears the main data members of the whiteboard