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Showing content from https://docs.oracle.com/en/java/javase/19/docs/api/java.desktop/java/awt/geom/Line2D.Float.html below:

Line2D.Float (Java SE 19 & JDK 19)

All Implemented Interfaces:

Shape, Serializable, Cloneable

Enclosing class:

Line2D

A line segment specified with float coordinates.

Since:

1.2

See Also:

• Serialized Form

• Nested Class Summary
• Field Summary

  Fields

  float

  The X coordinate of the start point of the line segment.

  float

  The X coordinate of the end point of the line segment.

  float

  The Y coordinate of the start point of the line segment.

  float

  The Y coordinate of the end point of the line segment.

• Constructor Summary

  Constructors

  Constructs and initializes a Line with coordinates (0, 0) → (0, 0).

  Float(float x1, float y1, float x2, float y2)

  Constructs and initializes a Line from the specified coordinates.

  Constructs and initializes a Line2D from the specified Point2D objects.

• Method Summary

  Returns a high precision and more accurate bounding box of the Shape than the getBounds method.

  Returns the start Point2D of this Line2D.

  Returns the end Point2D of this Line2D.

  double

  Returns the X coordinate of the start point in double precision.

  double

  Returns the X coordinate of the end point in double precision.

  double

  Returns the Y coordinate of the start point in double precision.

  double

  Returns the Y coordinate of the end point in double precision.

  void

  setLine(double x1, double y1, double x2, double y2)

  Sets the location of the end points of this Line2D to the specified double coordinates.

  void

  setLine(float x1, float y1, float x2, float y2)

  Sets the location of the end points of this Line2D to the specified float coordinates.

  Methods declared in class java.awt.geom.Line2Dclone, contains, contains, contains, contains, getBounds, getPathIterator, getPathIterator, intersects, intersects, intersectsLine, intersectsLine, linesIntersect, ptLineDist, ptLineDist, ptLineDist, ptLineDistSq, ptLineDistSq, ptLineDistSq, ptSegDist, ptSegDist, ptSegDist, ptSegDistSq, ptSegDistSq, ptSegDistSq, relativeCCW, relativeCCW, relativeCCW, setLine, setLine

• Field Details
  • x1

    public float x1

    The X coordinate of the start point of the line segment.

    Since:

    1.2

  • y1

    public float y1

    The Y coordinate of the start point of the line segment.

    Since:

    1.2

  • x2

    public float x2

    The X coordinate of the end point of the line segment.

    Since:

    1.2

  • y2

    public float y2

    The Y coordinate of the end point of the line segment.

    Since:

    1.2

• Constructor Details
  • Float

    public Float()

    Constructs and initializes a Line with coordinates (0, 0) → (0, 0).

    Since:

    1.2

  • Float

    public Float(float x1, float y1, float x2, float y2)

    Constructs and initializes a Line from the specified coordinates.

    Parameters:

    x1 - the X coordinate of the start point

    y1 - the Y coordinate of the start point

    x2 - the X coordinate of the end point

    y2 - the Y coordinate of the end point

    Since:

    1.2

  • Float

    Constructs and initializes a Line2D from the specified Point2D objects.

    Parameters:

    p1 - the start Point2D of this line segment

    p2 - the end Point2D of this line segment

    Since:

    1.2

• Method Details
  • getX1

    public double getX1()

    Returns the X coordinate of the start point in double precision.

    Specified by:

    getX1 in class Line2D

    Returns:

    the X coordinate of the start point of this Line2D object.

    Since:

    1.2

  • getY1

    public double getY1()

    Returns the Y coordinate of the start point in double precision.

    Specified by:

    getY1 in class Line2D

    Returns:

    the Y coordinate of the start point of this Line2D object.

    Since:

    1.2

  • getP1

    Returns the start Point2D of this Line2D.

    Specified by:

    getP1 in class Line2D

    Returns:

    the start Point2D of this Line2D.

    Since:

    1.2

  • getX2

    public double getX2()

    Returns the X coordinate of the end point in double precision.

    Specified by:

    getX2 in class Line2D

    Returns:

    the X coordinate of the end point of this Line2D object.

    Since:

    1.2

  • getY2

    public double getY2()

    Returns the Y coordinate of the end point in double precision.

    Specified by:

    getY2 in class Line2D

    Returns:

    the Y coordinate of the end point of this Line2D object.

    Since:

    1.2

  • getP2

    Returns the end Point2D of this Line2D.

    Specified by:

    getP2 in class Line2D

    Returns:

    the end Point2D of this Line2D.

    Since:

    1.2

  • setLine

    public void setLine(double x1, double y1, double x2, double y2)

    Sets the location of the end points of this Line2D to the specified double coordinates.

    Specified by:

    setLine in class Line2D

    Parameters:

    x1 - the X coordinate of the start point

    y1 - the Y coordinate of the start point

    x2 - the X coordinate of the end point

    y2 - the Y coordinate of the end point

    Since:

    1.2

  • setLine

    public void setLine(float x1, float y1, float x2, float y2)

    Sets the location of the end points of this Line2D to the specified float coordinates.

    Parameters:

    x1 - the X coordinate of the start point

    y1 - the Y coordinate of the start point

    x2 - the X coordinate of the end point

    y2 - the Y coordinate of the end point

    Since:

    1.2

  • 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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