math.geom2d.spline

Class BezierCurve2D

java.lang.Object

math.geom2d.curve.AbstractContinuousCurve2D

math.geom2d.curve.AbstractSmoothCurve2D

math.geom2d.spline.CubicBezierCurve2D

math.geom2d.spline.BezierCurve2D

All Implemented Interfaces:

Serializable, Cloneable, ContinuousCurve2D, Curve2D, SmoothCurve2D, ContinuousOrientedCurve2D, OrientedCurve2D, Shape2D

Deprecated.

replaced by CubicBezierCurve2D (0.7.1)

@Deprecated
public class BezierCurve2D
extends CubicBezierCurve2D
implements Cloneable

An extension of the Bezier curve provided in java.awt.geom, with support for SmoothCurve2D and OrientedCurve2D.

Author:

Legland

See Also:

Serialized Form

Field Summary

Fields inherited from class math.geom2d.spline.CubicBezierCurve2D

ctrlx1, ctrlx2, ctrly1, ctrly2, x1, x2, y1, y2

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Constructor Summary

Constructors

Constructor and Description
BezierCurve2D() Deprecated.
BezierCurve2D(double[][] coefs) Deprecated. Build a new Bezier curve from its array of coefficients.
BezierCurve2D(double x1, double y1, double xctrl1, double yctrl1, double xctrl2, double yctrl2, double x2, double y2) Deprecated. Build a new Bezier curve of degree 3 by specifying position of extreme points and position of 2 control points.
BezierCurve2D(Point2D p1, Point2D ctrl1, Point2D ctrl2, Point2D p2) Deprecated. Build a new Bezier curve of degree 3 by specifying position of extreme points and position of 2 control points.
BezierCurve2D(Point2D p1, Vector2D v1, Point2D p2, Vector2D v2) Deprecated. Build a new Bezier curve of degree 3 by specifying position and tangent of first and last points.

Method Summary

Methods

Modifier and Type	Method and Description
CurveSet2D<? extends BezierCurve2D>	clip(Box2D box) Deprecated. Clip the Bezier curve by a box.
BezierCurve2D	clone() Deprecated. Overrides Object declaration to ensure Curve2D implementation are cloned as Curve2D.
boolean	equals(Object obj) Deprecated.
BezierCurve2D	getReverseCurve() Deprecated. Returns the Bezier curve given by control points taken in reverse order.
BezierCurve2D	getSubCurve(double t0, double t1) Deprecated. Computes portion of BezierCurve.
BezierCurve2D	transform(AffineTransform2D trans) Deprecated. Returns the Bezier Curve transformed by the given AffineTransform2D.

Methods inherited from class math.geom2d.spline.CubicBezierCurve2D

appendPath, contains, contains, create, create, getBoundingBox, getControl1, getControl2, getCtrlP1, getCtrlP2, getCurvature, getDistance, getDistance, getFirstPoint, getGeneralPath, getIntersections, getLastPoint, getP1, getP2, getParametric, getPoint, getPosition, getSignedDistance, getSignedDistance, getT0, getT1, getTangent, getWindingAngle, isBounded, isClosed, isEmpty, isInside, project

Methods inherited from class math.geom2d.curve.AbstractSmoothCurve2D

getLeftTangent, getRightTangent, getSingularPoints, getSmoothPieces, isSingular

Methods inherited from class math.geom2d.curve.AbstractContinuousCurve2D

draw, getAsAWTShape, getAsPolyline, getContinuousCurves, wrapCurve

Methods inherited from class java.lang.Object

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

Methods inherited from interface math.geom2d.curve.ContinuousCurve2D

getAsPolyline, getLeftTangent, getRightTangent, getSmoothPieces

Methods inherited from interface math.geom2d.curve.Curve2D

draw, getAsAWTShape, getContinuousCurves, getSingularPoints, isSingular

Constructor Detail

BezierCurve2D

public BezierCurve2D()

Deprecated.

BezierCurve2D

public BezierCurve2D(double[][] coefs)

Deprecated.

Build a new Bezier curve from its array of coefficients. The array must have size 2*4.

Parameters:

coefs - the coefficients of the BezierCurve2D.

BezierCurve2D

public BezierCurve2D(Point2D p1,
             Point2D ctrl1,
             Point2D ctrl2,
             Point2D p2)

Deprecated.

Build a new Bezier curve of degree 3 by specifying position of extreme points and position of 2 control points. The resulting curve is totally contained in the convex polygon formed by the 4 control points.

Parameters:

p1 - first point

ctrl1 - first control point

ctrl2 - second control point

p2 - last point

BezierCurve2D

public BezierCurve2D(Point2D p1,
             Vector2D v1,
             Point2D p2,
             Vector2D v2)

Deprecated.

Build a new Bezier curve of degree 3 by specifying position and tangent of first and last points.

Parameters:

p1 - first point

v1 - first tangent vector

p2 - position of last point

v2 - last tangent vector

BezierCurve2D

public BezierCurve2D(double x1,
             double y1,
             double xctrl1,
             double yctrl1,
             double xctrl2,
             double yctrl2,
             double x2,
             double y2)

Deprecated.

Build a new Bezier curve of degree 3 by specifying position of extreme points and position of 2 control points. The resulting curve is totally containe in the convex polygon formed by the 4 control points.

Method Detail

getReverseCurve

public BezierCurve2D getReverseCurve()

Deprecated.

Returns the Bezier curve given by control points taken in reverse order.

Specified by:

getReverseCurve in interface ContinuousCurve2D

Specified by:

getReverseCurve in interface Curve2D

Specified by:

getReverseCurve in interface SmoothCurve2D

Specified by:

getReverseCurve in interface ContinuousOrientedCurve2D

Specified by:

getReverseCurve in interface OrientedCurve2D

Overrides:

getReverseCurve in class CubicBezierCurve2D

getSubCurve

public BezierCurve2D getSubCurve(double t0,
                        double t1)

Deprecated.

Computes portion of BezierCurve. If t1

Specified by:

getSubCurve in interface ContinuousCurve2D

Specified by:

getSubCurve in interface Curve2D

Specified by:

getSubCurve in interface SmoothCurve2D

Specified by:

getSubCurve in interface ContinuousOrientedCurve2D

Overrides:

getSubCurve in class CubicBezierCurve2D

Parameters:

t0 - position of the start of the sub-curve

t1 - position of the end of the sub-curve

Returns:

the portion of original curve comprised between t0 and t1.

clip

public CurveSet2D<? extends BezierCurve2D> clip(Box2D box)

Deprecated.

Clip the Bezier curve by a box. REturn a set of BezierCurve2D.

Specified by:

clip in interface ContinuousCurve2D

Specified by:

clip in interface Curve2D

Specified by:

clip in interface SmoothCurve2D

Specified by:

clip in interface ContinuousOrientedCurve2D

Specified by:

clip in interface OrientedCurve2D

Specified by:

clip in interface Shape2D

Overrides:

clip in class CubicBezierCurve2D

Parameters:

box - the clipping box

Returns:

the clipped shape

transform

public BezierCurve2D transform(AffineTransform2D trans)

Deprecated.

Returns the Bezier Curve transformed by the given AffineTransform2D. This is simply done by transforming control points of the curve.

Specified by:

transform in interface ContinuousCurve2D

Specified by:

transform in interface Curve2D

Specified by:

transform in interface SmoothCurve2D

Specified by:

transform in interface ContinuousOrientedCurve2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Overrides:

transform in class CubicBezierCurve2D

Parameters:

trans - an affine transform

Returns:

the transformed shape

equals

public boolean equals(Object obj)

Deprecated.

Overrides:

equals in class CubicBezierCurve2D

clone

public BezierCurve2D clone()

Deprecated.

Description copied from interface: Curve2D

Overrides Object declaration to ensure Curve2D implementation are cloned as Curve2D.

Specified by:

clone in interface Curve2D

Overrides:

clone in class CubicBezierCurve2D

Returns:

the cloned curve