Module java.desktop
Package java.awt.geom

Class Arc2D.Double

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

  • Field Details

    • 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 Details

    • Double

      public Double()
      Constructs a new OPEN arc, initialized to location (0, 0), size (0, 0), angular extents (start = 0, extent = 0).
      Since:
      1.2

    • Double

      public 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

    • Double

      public 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

    • Double

      public 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 Details

    • 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