Package lejos.robotics.geometry

Class Rectangle2D.Float

java.lang.Object

lejos.robotics.geometry.RectangularShape

lejos.robotics.geometry.Rectangle2D

lejos.robotics.geometry.Rectangle2D.Float

All Implemented Interfaces:

java.lang.Cloneable, Shape

Direct Known Subclasses:

Rectangle

Enclosing class:

Rectangle2D

public static class Rectangle2D.Float
extends Rectangle2D

A Rectangle2D with float coordinates.

Nested Class Summary

Nested classes/interfaces inherited from class lejos.robotics.geometry.Rectangle2D

Rectangle2D.Double, Rectangle2D.Float

Field Summary

Fields

Modifier and Type	Field	Description
float	height	The height of the rectangle;
float	width	The width of the rectangle
float	x	The x coordinate of the top left corner
float	y	The y coordinate of the top right corner

Fields inherited from class lejos.robotics.geometry.Rectangle2D

OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP

Constructor Summary

Constructors

Constructor	Description
Float()	Create an empty rectangle at (0,0)
Float(float x, float y, float width, float height)	Create a rectangle with float coordinates

Method Summary

Modifier and Type	Method	Description
Rectangle2D	getBounds2D()	Get the bounds as a Rectangle2D with float coordinates
double	getHeight()	Get the height as a double
double	getWidth()	Get the width as a double
double	getX()	Get the x coordinate as a double
double	getY()	Get the y coordinate as a double
boolean	isEmpty()	Test if the rectangular shape is empty
int	outcode(double x, double y)	Returns a mask value that specifies where a point lies with respect to this rectangle.
void	setRect(double x, double y, double w, double h)	Set this rectangle to a rectangle defined by double coordinates
void	setRect(float x, float y, float w, float h)	Set the rectangle using float coordinates
void	setRect(Rectangle2D r)	Set this Rectangle2D to be the same as a given Rectangle2D

Methods inherited from class lejos.robotics.geometry.Rectangle2D

contains, contains, equals, intersects, intersectsLine, outcode, setFrame

Methods inherited from class lejos.robotics.geometry.RectangularShape

clone, contains, contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x

public float x

The x coordinate of the top left corner

y

public float y

The y coordinate of the top right corner

width

public float width

The width of the rectangle

height

public float height

The height of the rectangle;

Constructor Detail

Float

public Float()

Create an empty rectangle at (0,0)

Float

public Float(float x,
             float y,
             float width,
             float height)

Create a rectangle with float coordinates

Parameters:

x - the x coordinate of the top left corner

y - the y coordinate of the top left corner

width - the width of the rectangle

height - the height of the rectangle

Method Detail

getX

public double getX()

Description copied from class: RectangularShape

Get the x coordinate as a double

Specified by:

getX in class RectangularShape

Returns:

the x coordinate

getY

public double getY()

Description copied from class: RectangularShape

Get the y coordinate as a double

Specified by:

getY in class RectangularShape

Returns:

the y coordinate

getWidth

public double getWidth()

Description copied from class: RectangularShape

Get the width as a double

Specified by:

getWidth in class RectangularShape

Returns:

the width

getHeight

public double getHeight()

Description copied from class: RectangularShape

Get the height as a double

Specified by:

getHeight in class RectangularShape

Returns:

the height

isEmpty

public boolean isEmpty()

Description copied from class: RectangularShape

Test if the rectangular shape is empty

Specified by:

isEmpty in class RectangularShape

Returns:

true iff the shape is empty

getBounds2D

public Rectangle2D getBounds2D()

Get the bounds as a Rectangle2D with float coordinates

Returns:

the bounding rectangle

setRect

public void setRect(float x,
                    float y,
                    float w,
                    float h)

Set the rectangle using float coordinates

Parameters:

x - the x coordinate of the top left corner

y - the y coordinate of the top left corner

w - the width

h - the height

setRect

public void setRect(Rectangle2D r)

Description copied from class: Rectangle2D

Set this Rectangle2D to be the same as a given Rectangle2D

Overrides:

setRect in class Rectangle2D

Parameters:

r - the Rectangle2D

setRect

public void setRect(double x,
                    double y,
                    double w,
                    double h)

Description copied from class: Rectangle2D

Set this rectangle to a rectangle defined by double coordinates

Specified by:

setRect in class Rectangle2D

Parameters:

x - the x coordinate of the top left corner

y - the y coordinate of the top right corner

w - the width of the rectangle

h - the height of the rectangle

outcode

public int outcode(double x,
                   double y)

Description copied from class: Rectangle2D

Returns a mask value that specifies where a point lies with respect to this rectangle.

Specified by:

outcode in class Rectangle2D

Parameters:

x - the x coordinate of the given point

y - the y coordinate of the given point

Returns:

the mask value