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

All Implemented Interfaces:

Shape, Serializable, Cloneable

Enclosing class:

Arc2D
```
public static class Arc2D.Double
extends Arc2D
implements Serializable
```
This class defines an arc specified in double precision.

Since:

1.2

See Also:
Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.awt.geom.Arc2D
  Arc2D.Double, Arc2D.Float

Field Summary

Fields
Modifier and Type	Field and Description
`double`	`extent` The angular extent of the arc in degrees.
`double`	`height` The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
`double`	`start` The starting angle of the arc in degrees.
`double`	`width` The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
`double`	`x` The X coordinate of the upper-left corner of the framing rectangle of the arc.
`double`	`y` The Y coordinate of the upper-left corner of the framing rectangle of the arc.

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Fields inherited from class java.awt.geom.Arc2D
CHORD, OPEN, PIE

Constructor Summary

Constructors
Constructor and Description
`Arc2D.Double()` Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 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), size (0, 0), angular extents (start = 0, extent = 0), and the specified closure type.
`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.

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Method Summary

Methods
Modifier and Type	Method and Description
`double`	`getAngleExtent()` Returns the angular extent of the arc.
`double`	`getAngleStart()` Returns the starting angle of the arc.
`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.
`protected Rectangle2D`	`makeBounds(double x, double y, double w, double h)` Constructs a `Rectangle2D` of the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.
`void`	`setAngleExtent(double angExt)` Sets the angular extent of this arc to the specified double value.
`void`	`setAngleStart(double angSt)` Sets the starting angle of this arc to the specified double value.
`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.

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Methods inherited from class java.awt.geom.Arc2D
contains, contains, contains, containsAngle, equals, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, hashCode, 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
finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - x
```
public double x
```
    The X coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - y
```
public double y
```
    The Y coordinate of the upper-left corner of the framing rectangle of the arc.
    
    Since:
    
    1.2
  - width
```
public double width
```
    The overall width of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - height
```
public double height
```
    The overall height of the full ellipse of which this arc is a partial section (not considering the angular extents).
    
    Since:
    
    1.2
  - start
```
public double start
```
    The starting angle of the arc in degrees.
    
    Since:
    
    1.2
  - extent
```
public double extent
```
    The angular extent of the arc in degrees.
    
    Since:
    
    1.2
- 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).
    
    Since:
    
    1.2
  - 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.
    
    Parameters:
    type - The closure type for the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Since:
    
    1.2
  - 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.
    
    Parameters:
    x - The X coordinate of the upper-left corner of the arc's framing rectangle.
    y - The Y coordinate of the upper-left corner of the arc's framing rectangle.
    w - The overall width of the full ellipse of which this arc is a partial section.
    h - The overall height of the full ellipse of which this arc is a partial section.
    start - The starting angle of the arc in degrees.
    extent - The angular extent of the arc in degrees.
    type - The closure type for the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Since:
    
    1.2
  - 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.
    
    Parameters:
    ellipseBounds - The framing rectangle that defines the outer boundary of the full ellipse of which this arc is a partial section.
    start - The starting angle of the arc in degrees.
    extent - The angular extent of the arc in degrees.
    type - The closure type for the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Since:
    
    1.2
- Method Detail
  - getX
```
public double getX()
```
    Returns the X coordinate of the upper-left corner of the framing rectangle in double precision. Note that the arc partially inscribes the framing rectangle of this RectangularShape.
    
    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. Note that the arc partially inscribes the framing rectangle of this RectangularShape.
    
    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. Note that the arc partially inscribes the framing rectangle of this RectangularShape.
    
    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. Note that the arc partially inscribes the framing rectangle of this RectangularShape.
    
    Specified by:
    
    getHeight in class RectangularShape
    
    Returns:
    the height of the framing rectangle.
    Since:
    
    1.2
  - getAngleStart
```
public double getAngleStart()
```
    Returns the starting angle of the arc.
    
    Specified by:
    
    getAngleStart in class Arc2D
    
    Returns:
    A double value that represents the starting angle of the arc in degrees.
    Since:
    
    1.2
    
    See Also:
    Arc2D.setAngleStart(double)
  - getAngleExtent
```
public double getAngleExtent()
```
    Returns the angular extent of the arc.
    
    Specified by:
    
    getAngleExtent in class Arc2D
    
    Returns:
    A double value that represents the angular extent of the arc in degrees.
    Since:
    
    1.2
    
    See Also:
    Arc2D.setAngleExtent(double)
  - 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
  - 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.
    
    Specified by:
    
    setArc in class Arc2D
    
    Parameters:
    x - The X coordinate of the upper-left corner of the arc.
    y - The Y coordinate of the upper-left corner of the arc.
    w - The overall width of the full ellipse of which this arc is a partial section.
    h - The overall height of the full ellipse of which this arc is a partial section.
    angSt - The starting angle of the arc in degrees.
    angExt - The angular extent of the arc in degrees.
    closure - The closure type for the arc: Arc2D.OPEN, Arc2D.CHORD, or Arc2D.PIE.
    Since:
    
    1.2
  - setAngleStart
```
public void setAngleStart(double angSt)
```
    Sets the starting angle of this arc to the specified double value.
    
    Specified by:
    
    setAngleStart in class Arc2D
    
    Parameters:
    angSt - The starting angle of the arc in degrees.
    Since:
    
    1.2
    
    See Also:
    Arc2D.getAngleStart()
  - setAngleExtent
```
public void setAngleExtent(double angExt)
```
    Sets the angular extent of this arc to the specified double value.
    
    Specified by:
    
    setAngleExtent in class Arc2D
    
    Parameters:
    angExt - The angular extent of the arc in degrees.
    Since:
    
    1.2
    
    See Also:
    Arc2D.getAngleExtent()
  - makeBounds
```
protected Rectangle2D makeBounds(double x,
                     double y,
                     double w,
                     double h)
```
    Constructs a Rectangle2D of the appropriate precision to hold the parameters calculated to be the framing rectangle of this arc.
    
    Specified by:
    
    makeBounds in class Arc2D
    
    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.
    
    Returns:
    a Rectangle2D that is the framing rectangle of this arc.
    Since:
    
    1.2

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Dokument erstellt 11/06/2005, zuletzt geändert 04/03/2020
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/java-api-rf-java/awt/geom/arc2d.double.html

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Referenzen

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Inhaltsverzeichnis Haut

Class Arc2D.Double

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Arc2D

Field Summary

Fields inherited from class java.awt.geom.Arc2D

Constructor Summary

Method Summary

Methods inherited from class java.awt.geom.Arc2D

Methods inherited from class java.awt.geom.RectangularShape

Methods inherited from class java.lang.Object

Field Detail

x

y

width

height

start

extent

Constructor Detail

Arc2D.Double

Arc2D.Double

Arc2D.Double

Arc2D.Double

Method Detail

getX

getY

getWidth

getHeight

getAngleStart

getAngleExtent

isEmpty

setArc

setAngleStart

setAngleExtent

makeBounds

Referenzen