josx.vision
Class Region

java.lang.Object
  josx.vision.Region

public class Region

extends Object

Representation of a region in the camera's field of view

Field Summary

static int

MAX_REGIONS

Constructor Summary

Region(int x, int y, int w, int h)
Create a region

Method Summary

void	addColorListener(ColorListener cl, int color) Add a color listener
void	addLightListener(LightListener ll) Add a light listener
void	addMotionListener(MotionListener ml) Add a motion listener
ColorListener[]	getColorListeners() Return the array of color listeners
int[]	getColors() Return the array of colors corresponding to the color listeners
int	getHeight() Get the height of the region
LightListener[]	getLightListeners() Return the array of light listeners
MotionListener[]	getMotionListeners() Return the array of motion listeners
int	getWidth() Get the width of the region
int	getX() Get the X coordinate of the bottom left corner
int	getY() Get the Y coordinate of the bottom left corner
boolean	inRegion(int tx, int ty) Test if point is in the region

Methods inherited from class java.lang.Object

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

Field Detail

MAX_REGIONS

public static int MAX_REGIONS

Constructor Detail

Region

public Region(int x,
              int y,
              int w,
              int h)

Create a region

Parameters:

x - the x coordinate of the botton left corner

y - the y coordinate of the botton left corner

w - the width of the region

h - the height of the region

Method Detail

getX

public int getX()

Get the X coordinate of the bottom left corner

getY

public int getY()

Get the Y coordinate of the bottom left corner

getWidth

public int getWidth()

Get the width of the region

Returns:

the width of the region

getHeight

public int getHeight()

Get the height of the region

Returns:

the height of the region

inRegion

public boolean inRegion(int tx,
                        int ty)

Test if point is in the region

Parameters:

tx - test x coordinate

ty - test y coordinate

addMotionListener

public void addMotionListener(MotionListener ml)

Add a motion listener

Parameters:

ml - the listener to add

addColorListener

public void addColorListener(ColorListener cl,
                             int color)

Add a color listener

Parameters:

cl - the listener to add

color - the color to look for

addLightListener

public void addLightListener(LightListener ll)

Add a light listener

Parameters:

ll - the listener to add

getMotionListeners

public MotionListener[] getMotionListeners()

Return the array of motion listeners

Returns:

the motion listener array

getColorListeners

public ColorListener[] getColorListeners()

Return the array of color listeners

Returns:

the color listener array

getColors

public int[] getColors()

Return the array of colors corresponding to the color listeners

Returns:

the array of colors

getLightListeners

public LightListener[] getLightListeners()

Return the array of light listeners

Returns:

the light listener array