event

Class BlobQueue

java.lang.Object

event.BlobQueue

public class BlobQueue
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
BlobQueue()

Method Summary

Methods

Modifier and Type	Method and Description
void	addCursor(int id, Point2 p) Called when a finger touches the multitouch surface
boolean	checkId(int id)
void	draw(java.awt.Graphics2D g) Draws the current fingers in contact with the surface using ellipses
java.util.Vector<Tuple2>	getBlobs()
int	getHighestID()
Point2	getLastPositionFromLHighestID()
Point2	getLastPositionFromLowestID()
Point2	getLastPositionFromRemainingBlob()
int	getNbFingers()
java.util.ArrayList<Point2>	getPointListFromHighestID()
java.util.ArrayList<Point2>	getPointListFromLowestID()
java.util.ArrayList<Point2>	getPointListFromSecondLowestID()
void	removeCursor(int id) Called when a finger is removed from the multitouch surface
void	updateCursor(int id, Point2 p) Called when a finger moves on the multitouch surface

Methods inherited from class java.lang.Object

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

Constructor Detail

BlobQueue

public BlobQueue()

Method Detail

addCursor

public void addCursor(int id,
             Point2 p)

Called when a finger touches the multitouch surface

Parameters:

id - unique identifier for the finger

p - current finger position

updateCursor

public void updateCursor(int id,
                Point2 p)

Called when a finger moves on the multitouch surface

Parameters:

id - unique finger identifier

p - current finger position

removeCursor

public void removeCursor(int id)

Called when a finger is removed from the multitouch surface

Parameters:

id - unique finger identifier

getNbFingers

public int getNbFingers()

Returns:

Returns the number of fingers in the Blobqueue

getLastPositionFromRemainingBlob

public Point2 getLastPositionFromRemainingBlob()

Returns:

Returns the last known position from the last finger in contact with the surface

getLastPositionFromLHighestID

public Point2 getLastPositionFromLHighestID()

Returns:

Returns the last position from the finger with the highest ID

getPointListFromHighestID

public java.util.ArrayList<Point2> getPointListFromHighestID()

Returns:

Returns the list of points from the finger with the highest ID

getPointListFromLowestID

public java.util.ArrayList<Point2> getPointListFromLowestID()

Returns:

Returns the list of points from the finger with the lowest ID

getPointListFromSecondLowestID

public java.util.ArrayList<Point2> getPointListFromSecondLowestID()

Returns:

Returns the list of points from the finger with the second lowest ID

getLastPositionFromLowestID

public Point2 getLastPositionFromLowestID()

Returns:

Returns the last known position form the finger with the lowest ID

getHighestID

public int getHighestID()

Returns:

Returns the highest ID from the blob queue

getBlobs

public java.util.Vector<Tuple2> getBlobs()

Returns:

Returns the current positions of fingers in contact

draw

public void draw(java.awt.Graphics2D g)

Draws the current fingers in contact with the surface using ellipses

Parameters:

g -

checkId

public boolean checkId(int id)

Parameters:

id - finger unique identifier

Returns:

Checks if finger identifier id belongs to the blob queue