Class CubicCurve2D.Double

java.lang.Object

java.awt.geom.CubicCurve2D

java.awt.geom.CubicCurve2D.Double

All Implemented Interfaces:: Shape, Serializable, Cloneable

Enclosing class:: CubicCurve2D

public static class CubicCurve2D.Double extends CubicCurve2D implements Serializable

A cubic parametric curve segment specified with double coordinates.

Since:

1.2

See Also:

Nested Class Summary

Nested classes/interfaces declared in class CubicCurve2D

CubicCurve2D.Double, CubicCurve2D.Float

Modifier and Type	Class	Description
`static class`	`CubicCurve2D.Double`	A cubic parametric curve segment specified with `double` coordinates.
`static class`	`CubicCurve2D.Float`	A cubic parametric curve segment specified with `float` coordinates.

Field Summary

Modifier and Type	Field	Description
`double`	`ctrlx1`	The X coordinate of the first control point of the cubic curve segment.
`double`	`ctrlx2`	The X coordinate of the second control point of the cubic curve segment.
`double`	`ctrly1`	The Y coordinate of the first control point of the cubic curve segment.
`double`	`ctrly2`	The Y coordinate of the second control point of the cubic curve segment.
`double`	`x1`	The X coordinate of the start point of the cubic curve segment.
`double`	`x2`	The X coordinate of the end point of the cubic curve segment.
`double`	`y1`	The Y coordinate of the start point of the cubic curve segment.
`double`	`y2`	The Y coordinate of the end point of the cubic curve segment.

Constructor Summary

Constructor	Description
`Double()`	Constructs and initializes a CubicCurve with coordinates (0, 0, 0, 0, 0, 0, 0, 0).
`Double(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)`	Constructs and initializes a `CubicCurve2D` from the specified `double` coordinates.

Method Summary

Modifier and Type	Method	Description
`Point2D`	`getCtrlP1()`	Returns the first control point.
`Point2D`	`getCtrlP2()`	Returns the second control point.
`double`	`getCtrlX1()`	Returns the X coordinate of the first control point in double precision.
`double`	`getCtrlX2()`	Returns the X coordinate of the second control point in double precision.
`double`	`getCtrlY1()`	Returns the Y coordinate of the first control point in double precision.
`double`	`getCtrlY2()`	Returns the Y coordinate of the second control point in double precision.
`Point2D`	`getP1()`	Returns the start point.
`Point2D`	`getP2()`	Returns the end point.
`double`	`getX1()`	Returns the X coordinate of the start point in double precision.
`double`	`getX2()`	Returns the X coordinate of the end point in double precision.
`double`	`getY1()`	Returns the Y coordinate of the start point in double precision.
`double`	`getY2()`	Returns the Y coordinate of the end point in double precision.
`void`	`setCurve(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)`	Sets the location of the end points and control points of this curve to the specified double coordinates.

Methods declared in class CubicCurve2D

clone, contains, contains, contains, contains, getBounds, getBounds2D, getFlatness, getFlatness, getFlatness, getFlatnessSq, getFlatnessSq, getFlatnessSq, getPathIterator, getPathIterator, intersects, intersects, setCurve, setCurve, setCurve, setCurve, solveCubic, solveCubic, subdivide, subdivide, subdivide

Modifier and Type	Method	Description
`Object`	`clone()`	Creates a new object of the same class as this object.
`boolean`	`contains(double x, double y)`	Tests if the specified coordinates are inside the boundary of the `Shape`, as described by the definition of insideness.
`boolean`	`contains(double x, double y, double w, double h)`	Tests if the interior of the `Shape` entirely contains the specified rectangular area.
`boolean`	`contains(Point2D p)`	Tests if a specified `Point2D` is inside the boundary of the `Shape`, as described by the definition of insideness.
`boolean`	`contains(Rectangle2D r)`	Tests if the interior of the `Shape` entirely contains the specified `Rectangle2D`.
`Rectangle`	`getBounds()`	Returns an integer `Rectangle` that completely encloses the `Shape`.
`Rectangle2D`	`getBounds2D()`	Returns a high precision and more accurate bounding box of the `Shape` than the `getBounds` method.
`double`	`getFlatness()`	Returns the flatness of this curve.
`static double`	`getFlatness(double[] coords, int offset)`	Returns the flatness of the cubic curve specified by the control points stored in the indicated array at the indicated index.
`static double`	`getFlatness(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)`	Returns the flatness of the cubic curve specified by the indicated control points.
`double`	`getFlatnessSq()`	Returns the square of the flatness of this curve.
`static double`	`getFlatnessSq(double[] coords, int offset)`	Returns the square of the flatness of the cubic curve specified by the control points stored in the indicated array at the indicated index.
`static double`	`getFlatnessSq(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)`	Returns the square of the flatness of the cubic curve specified by the indicated control points.
`PathIterator`	`getPathIterator(AffineTransform at)`	Returns an iteration object that defines the boundary of the shape.
`PathIterator`	`getPathIterator(AffineTransform at, double flatness)`	Return an iteration object that defines the boundary of the flattened shape.
`boolean`	`intersects(double x, double y, double w, double h)`	Tests if the interior of the `Shape` intersects the interior of a specified rectangular area.
`boolean`	`intersects(Rectangle2D r)`	Tests if the interior of the `Shape` intersects the interior of a specified `Rectangle2D`.
`void`	`setCurve(double[] coords, int offset)`	Sets the location of the end points and control points of this curve to the double coordinates at the specified offset in the specified array.
`void`	`setCurve(CubicCurve2D c)`	Sets the location of the end points and control points of this curve to the same as those in the specified `CubicCurve2D`.
`void`	`setCurve(Point2D[] pts, int offset)`	Sets the location of the end points and control points of this curve to the coordinates of the `Point2D` objects at the specified offset in the specified array.
`void`	`setCurve(Point2D p1, Point2D cp1, Point2D cp2, Point2D p2)`	Sets the location of the end points and control points of this curve to the specified `Point2D` coordinates.
`static int`	`solveCubic(double[] eqn)`	Solves the cubic whose coefficients are in the `eqn` array and places the non-complex roots back into the same array, returning the number of roots.
`static int`	`solveCubic(double[] eqn, double[] res)`	Solve the cubic whose coefficients are in the `eqn` array and place the non-complex roots into the `res` array, returning the number of roots.
`static void`	`subdivide(double[] src, int srcoff, double[] left, int leftoff, double[] right, int rightoff)`	Subdivides the cubic curve specified by the coordinates stored in the `src` array at indices `srcoff` through (`srcoff` + 7) and stores the resulting two subdivided curves into the two result arrays at the corresponding indices.
`void`	`subdivide(CubicCurve2D left, CubicCurve2D right)`	Subdivides this cubic curve and stores the resulting two subdivided curves into the left and right curve parameters.
`static void`	`subdivide(CubicCurve2D src, CubicCurve2D left, CubicCurve2D right)`	Subdivides the cubic curve specified by the `src` parameter and stores the resulting two subdivided curves into the `left` and `right` curve parameters.

Methods declared in class Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()`	Returns a string representation of the object.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Field Details

x1

public double x1

The X coordinate of the start point of the cubic curve segment.

Since:: 1.2

y1

public double y1

The Y coordinate of the start point of the cubic curve segment.

Since:: 1.2

ctrlx1

public double ctrlx1

The X coordinate of the first control point of the cubic curve segment.

Since:: 1.2

ctrly1

public double ctrly1

The Y coordinate of the first control point of the cubic curve segment.

Since:: 1.2

ctrlx2

public double ctrlx2

The X coordinate of the second control point of the cubic curve segment.

Since:: 1.2

ctrly2

public double ctrly2

The Y coordinate of the second control point of the cubic curve segment.

Since:: 1.2

x2

public double x2

The X coordinate of the end point of the cubic curve segment.

Since:: 1.2

y2

public double y2

The Y coordinate of the end point of the cubic curve segment.

Since:: 1.2

Constructor Details

Double

public Double()

Constructs and initializes a CubicCurve with coordinates (0, 0, 0, 0, 0, 0, 0, 0).

Since:: 1.2

Double

public Double(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Constructs and initializes a CubicCurve2D from the specified double coordinates.

Parameters:: x1 - the X coordinate for the start point of the resulting CubicCurve2D; y1 - the Y coordinate for the start point of the resulting CubicCurve2D; ctrlx1 - the X coordinate for the first control point of the resulting CubicCurve2D; ctrly1 - the Y coordinate for the first control point of the resulting CubicCurve2D; ctrlx2 - the X coordinate for the second control point of the resulting CubicCurve2D; ctrly2 - the Y coordinate for the second control point of the resulting CubicCurve2D; x2 - the X coordinate for the end point of the resulting CubicCurve2D; y2 - the Y coordinate for the end point of the resulting CubicCurve2D
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 CubicCurve2D
Returns:: the X coordinate of the start point of the CubicCurve2D.
Since:: 1.2

getY1

public double getY1()

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

Specified by:: getY1 in class CubicCurve2D
Returns:: the Y coordinate of the start point of the CubicCurve2D.
Since:: 1.2

getP1

public Point2D getP1()

Returns the start point.

Specified by:: getP1 in class CubicCurve2D
Returns:: a Point2D that is the start point of the CubicCurve2D.
Since:: 1.2

getCtrlX1

public double getCtrlX1()

Returns the X coordinate of the first control point in double precision.

Specified by:: getCtrlX1 in class CubicCurve2D
Returns:: the X coordinate of the first control point of the CubicCurve2D.
Since:: 1.2

getCtrlY1

public double getCtrlY1()

Returns the Y coordinate of the first control point in double precision.

Specified by:: getCtrlY1 in class CubicCurve2D
Returns:: the Y coordinate of the first control point of the CubicCurve2D.
Since:: 1.2

getCtrlP1

public Point2D getCtrlP1()

Returns the first control point.

Specified by:: getCtrlP1 in class CubicCurve2D
Returns:: a Point2D that is the first control point of the CubicCurve2D.
Since:: 1.2

getCtrlX2

public double getCtrlX2()

Returns the X coordinate of the second control point in double precision.

Specified by:: getCtrlX2 in class CubicCurve2D
Returns:: the X coordinate of the second control point of the CubicCurve2D.
Since:: 1.2

getCtrlY2

public double getCtrlY2()

Returns the Y coordinate of the second control point in double precision.

Specified by:: getCtrlY2 in class CubicCurve2D
Returns:: the Y coordinate of the second control point of the CubicCurve2D.
Since:: 1.2

getCtrlP2

public Point2D getCtrlP2()

Returns the second control point.

Specified by:: getCtrlP2 in class CubicCurve2D
Returns:: a Point2D that is the second control point of the CubicCurve2D.
Since:: 1.2

getX2

public double getX2()

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

Specified by:: getX2 in class CubicCurve2D
Returns:: the X coordinate of the end point of the CubicCurve2D.
Since:: 1.2

getY2

public double getY2()

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

Specified by:: getY2 in class CubicCurve2D
Returns:: the Y coordinate of the end point of the CubicCurve2D.
Since:: 1.2

getP2

public Point2D getP2()

Returns the end point.

Specified by:: getP2 in class CubicCurve2D
Returns:: a Point2D that is the end point of the CubicCurve2D.
Since:: 1.2

setCurve

public void setCurve(double x1, double y1, double ctrlx1, double ctrly1, double ctrlx2, double ctrly2, double x2, double y2)

Sets the location of the end points and control points of this curve to the specified double coordinates.

Specified by:: setCurve in class CubicCurve2D
Parameters:: x1 - the X coordinate used to set the start point of this CubicCurve2D; y1 - the Y coordinate used to set the start point of this CubicCurve2D; ctrlx1 - the X coordinate used to set the first control point of this CubicCurve2D; ctrly1 - the Y coordinate used to set the first control point of this CubicCurve2D; ctrlx2 - the X coordinate used to set the second control point of this CubicCurve2D; ctrly2 - the Y coordinate used to set the second control point of this CubicCurve2D; x2 - the X coordinate used to set the end point of this CubicCurve2D; y2 - the Y coordinate used to set the end point of this CubicCurve2D
Since:: 1.2

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.