Class Ellipse2D.Float

java.lang.Object

java.awt.geom.RectangularShape

java.awt.geom.Ellipse2D

java.awt.geom.Ellipse2D.Float

All Implemented Interfaces:

Shape, Serializable, Cloneable

Enclosing class:

Ellipse2D

public static class Ellipse2D.Float
extends Ellipse2D
implements Serializable

The Float class defines an ellipse specified in float precision.

Since:

1.2

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces declared in class Ellipse2D

Ellipse2D.Double, Ellipse2D.Float

Modifier and Type	Class	Description
static class	Ellipse2D.Double	The Double class defines an ellipse specified in double precision.
static class	Ellipse2D.Float	The Float class defines an ellipse specified in float precision.

Field Summary

Fields

Modifier and Type	Field	Description
float	height	The overall height of this Ellipse2D.
float	width	The overall width of this Ellipse2D.
float	x	The X coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.
float	y	The Y coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.

Constructor Summary

Constructors

Constructor	Description
Float()	Constructs a new Ellipse2D, initialized to location (0, 0) and size (0, 0).
Float(float x, float y, float w, float h)	Constructs and initializes an Ellipse2D from the specified coordinates.

Method Summary

Modifier and Type	Method	Description
Rectangle2D	getBounds2D()	Returns a high precision and more accurate bounding box of the Shape than the getBounds method.
double	getHeight()	Returns the height of the framing rectangle in double precision.
double	getWidth()	Returns the width of the framing rectangle in double precision.
double	getX()	Returns the X coordinate of the upper-left corner of the framing rectangle in double precision.
double	getY()	Returns the Y coordinate of the upper-left corner of the framing rectangle in double precision.
boolean	isEmpty()	Determines whether the RectangularShape is empty.
void	setFrame(double x, double y, double w, double h)	Sets the location and size of the framing rectangle of this Shape to the specified rectangular values.
void	setFrame(float x, float y, float w, float h)	Sets the location and size of the framing rectangle of this Shape to the specified rectangular values.

Methods declared in class Ellipse2D

contains, contains, equals, getPathIterator, hashCode, intersects

Modifier and Type	Method	Description
boolean	contains(double x, double y)	Tests if the specified coordinates are inside the boundary of the Shape, as described by the definition of insideness.
boolean	contains(double x, double y, double w, double h)	Tests if the interior of the Shape entirely contains the specified rectangular area.
boolean	equals(Object obj)	Determines whether or not the specified Object is equal to this Ellipse2D.
PathIterator	getPathIterator(AffineTransform at)	Returns an iteration object that defines the boundary of this Ellipse2D.
int	hashCode()	Returns the hashcode for this Ellipse2D.
boolean	intersects(double x, double y, double w, double h)	Tests if the interior of the Shape intersects the interior of a specified rectangular area.

Methods declared in class RectangularShape

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

Modifier and Type	Method	Description
Object	clone()	Creates a new object of the same class and with the same contents as this object.
boolean	contains(Point2D p)	Tests if a specified Point2D is inside the boundary of the Shape, as described by the definition of insideness.
boolean	contains(Rectangle2D r)	Tests if the interior of the Shape entirely contains the specified Rectangle2D.
Rectangle	getBounds()	Returns an integer Rectangle that completely encloses the Shape.
double	getCenterX()	Returns the X coordinate of the center of the framing rectangle of the Shape in double precision.
double	getCenterY()	Returns the Y coordinate of the center of the framing rectangle of the Shape in double precision.
Rectangle2D	getFrame()	Returns the framing Rectangle2D that defines the overall shape of this object.
double	getMaxX()	Returns the largest X coordinate of the framing rectangle of the Shape in double precision.
double	getMaxY()	Returns the largest Y coordinate of the framing rectangle of the Shape in double precision.
double	getMinX()	Returns the smallest X coordinate of the framing rectangle of the Shape in double precision.
double	getMinY()	Returns the smallest Y coordinate of the framing rectangle of the Shape in double precision.
PathIterator	getPathIterator(AffineTransform at, double flatness)	Returns an iterator object that iterates along the Shape object's boundary and provides access to a flattened view of the outline of the Shape object's geometry.
boolean	intersects(Rectangle2D r)	Tests if the interior of the Shape intersects the interior of a specified Rectangle2D.
void	setFrame(Point2D loc, Dimension2D size)	Sets the location and size of the framing rectangle of this Shape to the specified Point2D and Dimension2D, respectively.
void	setFrame(Rectangle2D r)	Sets the framing rectangle of this Shape to be the specified Rectangle2D.
void	setFrameFromCenter(double centerX, double centerY, double cornerX, double cornerY)	Sets the framing rectangle of this Shape based on the specified center point coordinates and corner point coordinates.
void	setFrameFromCenter(Point2D center, Point2D corner)	Sets the framing rectangle of this Shape based on a specified center Point2D and corner Point2D.
void	setFrameFromDiagonal(double x1, double y1, double x2, double y2)	Sets the diagonal of the framing rectangle of this Shape based on the two specified coordinates.
void	setFrameFromDiagonal(Point2D p1, Point2D p2)	Sets the diagonal of the framing rectangle of this Shape based on two specified Point2D objects.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
String	toString()	Returns a string representation of the object.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

x

public float x

The X coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.

Since:

1.2

y

public float y

The Y coordinate of the upper-left corner of the framing rectangle of this Ellipse2D.

Since:

1.2

width

public float width

The overall width of this Ellipse2D.

Since:

1.2

height

public float height

The overall height of this Ellipse2D.

Since:

1.2

Constructor Details

Float

public Float()

Constructs a new Ellipse2D, initialized to location (0, 0) and size (0, 0).

Since:

1.2

Float

public Float(float x,
 float y,
 float w,
 float h)

Constructs and initializes an Ellipse2D from the specified coordinates.

Parameters:

x - the X coordinate of the upper-left corner of the framing rectangle

y - the Y coordinate of the upper-left corner of the framing rectangle

w - the width of the framing rectangle

h - the height of the framing rectangle

Since:

1.2

Method Details

getX

public double getX()

Returns the X coordinate of the upper-left corner of the framing rectangle in double precision.

Specified by:

getX in class RectangularShape

Returns:

the X coordinate of the upper-left corner of the framing rectangle.

Since:

1.2

getY

public double getY()

Returns the Y coordinate of the upper-left corner of the framing rectangle in double precision.

Specified by:

getY in class RectangularShape

Returns:

the Y coordinate of the upper-left corner of the framing rectangle.

Since:

1.2

getWidth

public double getWidth()

Returns the width of the framing rectangle in double precision.

Specified by:

getWidth in class RectangularShape

Returns:

the width of the framing rectangle.

Since:

1.2

getHeight

public double getHeight()

Returns the height of the framing rectangle in double precision.

Specified by:

getHeight in class RectangularShape

Returns:

the height of the framing rectangle.

Since:

1.2

isEmpty

public boolean isEmpty()

Determines whether the RectangularShape is empty. When the RectangularShape is empty, it encloses no area.

Specified by:

isEmpty in class RectangularShape

Returns:

true if the RectangularShape is empty; false otherwise.

Since:

1.2

setFrame

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

Sets the location and size of the framing rectangle of this Shape to the specified rectangular values.

Parameters:

x - the X coordinate of the upper-left corner of the specified rectangular shape

y - the Y coordinate of the upper-left corner of the specified rectangular shape

w - the width of the specified rectangular shape

h - the height of the specified rectangular shape

Since:

1.2

setFrame

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

Sets the location and size of the framing rectangle of this Shape to the specified rectangular values.

Specified by:

setFrame in class RectangularShape

Parameters:

x - the X coordinate of the upper-left corner of the specified rectangular shape

y - the Y coordinate of the upper-left corner of the specified rectangular shape

w - the width of the specified rectangular shape

h - the height of the specified rectangular shape

Since:

1.2

See Also:

• RectangularShape.getFrame()

getBounds2D

public Rectangle2D getBounds2D()

Returns a high precision and more accurate bounding box of the Shape than the getBounds method. Note that there is no guarantee that the returned Rectangle2D is the smallest bounding box that encloses the Shape, only that the Shape lies entirely within the indicated Rectangle2D. The bounding box returned by this method is usually tighter than that returned by the getBounds method and never fails due to overflow problems since the return value can be an instance of the Rectangle2D that uses double precision values to store the dimensions.

Note that the definition of insideness can lead to situations where points on the defining outline of the shape may not be considered contained in the returned bounds object, but only in cases where those points are also not considered contained in the original shape.

If a point is inside the shape according to the contains(point) method, then it must be inside the returned Rectangle2D bounds object according to the contains(point) method of the bounds. Specifically:

shape.contains(p) requires bounds.contains(p)

If a point is not inside the shape, then it might still be contained in the bounds object:

bounds.contains(p) does not imply shape.contains(p)

Specified by:

getBounds2D in interface Shape

Returns:

an instance of Rectangle2D that is a high-precision bounding box of the Shape.

Since:

1.2

See Also:

• Shape.getBounds()