PointerSpeed

All Implemented Interfaces:
```
public interface PointerSpeed

                    
```
Base type for any pointing device: it provides services to analyze the pointer's movement.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`abstract Point`	`getCurrentPosition()`	Gets the pointer's current position.
`abstract Point`	`getOldPosition()`	Gets the pointer's old position.
`abstract Point`	`getVariation()`	Gets the vector [current position - old position].
`abstract void`	`setCurrentPosition(Point point)`	Sets the pointer's current position and, consequently, updates the old one.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
- Method Detail
  - getCurrentPosition
```
 abstract Point getCurrentPosition()
```
    Gets the pointer's current position.
    
    Returns:
    
    a Point instance representing the pointer's current position
  - getOldPosition
```
 abstract Point getOldPosition()
```
    Gets the pointer's old position.
    
    Returns:
    
    a Point instance representing the pointer's old position
  - getVariation
```
 abstract Point getVariation()
```
    Gets the vector [current position - old position].
    
    Returns:
    
    a Point instance whose coordinates are [cP.x - oP.x; cP.y - cP.y]
  - setCurrentPosition
```
 abstract void setCurrentPosition(Point point)
```
    Sets the pointer's current position and, consequently, updates the old one.
    
    Parameters:
    
    point - is the Point instance representing the pointer's current position