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Java Standard Edition (SE)

QuadCurve2D.Double


java.awt.geom

Class QuadCurve2D.Double

    • Field Detail

      • x1

        public double x1
        The X coordinate of the start point of the quadratic curve segment.
        Since:
        1.2
      • y1

        public double y1
        The Y coordinate of the start point of the quadratic curve segment.
        Since:
        1.2
      • ctrlx

        public double ctrlx
        The X coordinate of the control point of the quadratic curve segment.
        Since:
        1.2
      • ctrly

        public double ctrly
        The Y coordinate of the control point of the quadratic curve segment.
        Since:
        1.2
      • x2

        public double x2
        The X coordinate of the end point of the quadratic curve segment.
        Since:
        1.2
      • y2

        public double y2
        The Y coordinate of the end point of the quadratic curve segment.
        Since:
        1.2
    • Constructor Detail

      • Double

        public Double()
        Constructs and initializes a QuadCurve2D with coordinates (0, 0, 0, 0, 0, 0).
        Since:
        1.2
      • Double

        public Double(double x1,
                      double y1,
                      double ctrlx,
                      double ctrly,
                      double x2,
                      double y2)
        Constructs and initializes a QuadCurve2D from the specified double coordinates.
        Parameters:
        x1 - the X coordinate of the start point
        y1 - the Y coordinate of the start point
        ctrlx - the X coordinate of the control point
        ctrly - the Y coordinate of the control point
        x2 - the X coordinate of the end point
        y2 - the Y coordinate of the end point
        Since:
        1.2
    • Method Detail

      • getX1

        public double getX1()
        Returns the X coordinate of the start point in double in precision.
        Specified by:
        getX1 in class QuadCurve2D
        Returns:
        the X coordinate of the start point.
        Since:
        1.2
      • getY1

        public double getY1()
        Returns the Y coordinate of the start point in double precision.
        Specified by:
        getY1 in class QuadCurve2D
        Returns:
        the Y coordinate of the start point.
        Since:
        1.2
      • getP1

        public Point2D getP1()
        Returns the start point.
        Specified by:
        getP1 in class QuadCurve2D
        Returns:
        a Point2D that is the start point of this QuadCurve2D.
        Since:
        1.2
      • getCtrlX

        public double getCtrlX()
        Returns the X coordinate of the control point in double precision.
        Specified by:
        getCtrlX in class QuadCurve2D
        Returns:
        X coordinate the control point
        Since:
        1.2
      • getCtrlY

        public double getCtrlY()
        Returns the Y coordinate of the control point in double precision.
        Specified by:
        getCtrlY in class QuadCurve2D
        Returns:
        the Y coordinate of the control point.
        Since:
        1.2
      • getCtrlPt

        public Point2D getCtrlPt()
        Returns the control point.
        Specified by:
        getCtrlPt in class QuadCurve2D
        Returns:
        a Point2D that is the control point of this Point2D.
        Since:
        1.2
      • getX2

        public double getX2()
        Returns the X coordinate of the end point in double precision.
        Specified by:
        getX2 in class QuadCurve2D
        Returns:
        the x coordinate of the end point.
        Since:
        1.2
      • getY2

        public double getY2()
        Returns the Y coordinate of the end point in double precision.
        Specified by:
        getY2 in class QuadCurve2D
        Returns:
        the Y coordinate of the end point.
        Since:
        1.2
      • getP2

        public Point2D getP2()
        Returns the end point.
        Specified by:
        getP2 in class QuadCurve2D
        Returns:
        a Point object that is the end point of this Point2D.
        Since:
        1.2
      • setCurve

        public void setCurve(double x1,
                             double y1,
                             double ctrlx,
                             double ctrly,
                             double x2,
                             double y2)
        Sets the location of the end points and control point of this curve to the specified double coordinates.
        Specified by:
        setCurve in class QuadCurve2D
        Parameters:
        x1 - the X coordinate of the start point
        y1 - the Y coordinate of the start point
        ctrlx - the X coordinate of the control point
        ctrly - the Y coordinate of the control point
        x2 - the X coordinate of the end point
        y2 - the Y coordinate of the end point
        Since:
        1.2
      • 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()


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