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Java Platform 1.2
Beta 4

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Class java.awt.geom.Arc2D.Double

java.lang.Object
  |
  +--java.awt.geom.RectangularShape
        |
        +--java.awt.geom.Arc2D
              |
              +--java.awt.geom.Arc2D.Double

public static class Arc2D.Double

extends Arc2D

An arc specified in double precision,

Inner classes inherited from class java.awt.geom.Arc2D

Arc2D.Double , Arc2D.Float

Field Summary

double	extent The angular extent of the arc in degrees.
double	height The overall height of the full ellipse (not considering the angular extents).
double	start The starting angle of the arc in degrees.
double	width The overall width of the full ellipse (not considering the angular extents).
double	x The x coordinate of the upper left corner of the arc.
double	y The y coordinate of the upper left corner of the arc.

Fields inherited from class java.awt.geom.Arc2D

CHORD , OPEN , PIE

Constructor Summary

Arc2D.Double()
Constructs a new OPEN arc, initialized to location (0, 0)

Arc2D.Double(double x, double y, double w, double h, double start, double extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.

Arc2D.Double(int type)
Constructs a new arc, initialized to location (0, 0)

Arc2D.Double(Rectangle2D ellipseBounds, double start, double extent, int type)
Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.

Method Summary

double	getAngleExtent() Returns the arc length (angular extent) of the arc (in degrees).
double	getAngleStart() Returns the starting angle of the arc (in degrees).
double	getHeight() Returns the overall height of the arc in double precision.
double	getWidth() Returns the overall width of the arc in double precision.
double	getX() Returns the X coordinate of the upper left corner of the arc in double precision.
double	getY() Returns the Y coordinate of the upper left corner of the arc in double precision.
boolean	isEmpty() Determines whether the rectangular shape is empty.
protected Rectangle2D	makeBounds(double x, double y, double w, double h) Return the high precision bounding box of the shape.
void	setAngleExtent(double angExt) Sets the angular extent of this arc to the specified double value (in degrees).
void	setAngleStart(double angSt) Sets the starting angle of this arc to the specified double value (in degrees).
void	setArc(double x, double y, double w, double h, double angSt, double angExt, int closure) Sets the location, size, angular extents, and closure type of this arc to the specified double values.

Methods inherited from class java.awt.geom.Arc2D

contains , contains , contains , containsAngle , getArcType , getBounds2D , getEndPoint , getPathIterator , getStartPoint , intersects , setAngles , setAngles , setAngleStart , setArc , setArc , setArc , setArcByCenter , setArcByTangent , setArcType , setFrame

Methods inherited from class java.awt.geom.RectangularShape

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

Methods inherited from class java.lang.Object

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

Field Detail

x

public double x

The x coordinate of the upper left corner of the arc.

y

public double y

The y coordinate of the upper left corner of the arc.

width

public double width

The overall width of the full ellipse (not considering the angular extents).

height

public double height

The overall height of the full ellipse (not considering the angular extents).

start

public double start

The starting angle of the arc in degrees.

extent

public double extent

The angular extent of the arc in degrees.

Constructor Detail

Arc2D.Double

public Arc2D.Double()

Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).

Arc2D.Double

public Arc2D.Double(int type)

Constructs a new arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type.

Arc2D.Double

public Arc2D.Double(double x,
                    double y,
                    double w,
                    double h,
                    double start,
                    double extent,
                    int type)

Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.

Arc2D.Double

public Arc2D.Double(Rectangle2D ellipseBounds,
                    double start,
                    double extent,
                    int type)

Constructs a new arc, initialized to the specified location, size, angular extents, and closure type.

Method Detail

getX

public double getX()

Returns the X coordinate of the upper left corner of the arc in double precision.

Overrides:

getX in class RectangularShape

getY

public double getY()

Returns the Y coordinate of the upper left corner of the arc in double precision.

Overrides:

getY in class RectangularShape

getWidth

public double getWidth()

Returns the overall width of the arc in double precision.

Overrides:

getWidth in class RectangularShape

getHeight

public double getHeight()

Returns the overall height of the arc in double precision.

Overrides:

getHeight in class RectangularShape

getAngleStart

public double getAngleStart()

Returns the starting angle of the arc (in degrees).

Overrides:

getAngleStart in class Arc2D

getAngleExtent

public double getAngleExtent()

Returns the arc length (angular extent) of the arc (in degrees).

Overrides:

getAngleExtent in class Arc2D

isEmpty

public boolean isEmpty()

Determines whether the rectangular shape is empty.

Overrides:

isEmpty in class RectangularShape

setArc

public void setArc(double x,
                   double y,
                   double w,
                   double h,
                   double angSt,
                   double angExt,
                   int closure)

Sets the location, size, angular extents, and closure type of this arc to the specified double values.

Overrides:

setArc in class Arc2D

setAngleStart

public void setAngleStart(double angSt)

Sets the starting angle of this arc to the specified double value (in degrees).

Overrides:

setAngleStart in class Arc2D

setAngleExtent

public void setAngleExtent(double angExt)

Sets the angular extent of this arc to the specified double value (in degrees).

Overrides:

setAngleExtent in class Arc2D

makeBounds

protected Rectangle2D makeBounds(double x,
                                 double y,
                                 double w,
                                 double h)

Return the high precision bounding box of the shape.

Overrides:

makeBounds in class Arc2D