java.awt.geom

Class Arc2D.Double

    • 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.

        

      • 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.

        

    • 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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Document créé le 31/08/2006, dernière modification le 04/03/2020
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