math.geom2d.conic
Interface EllipseShape2D

All Superinterfaces:

Boundary2D, java.lang.Cloneable, Conic2D, ContinuousCurve2D, ContinuousOrientedCurve2D, Contour2D, Curve2D, GeometricObject2D, OrientedCurve2D, Shape2D, SmoothContour2D, SmoothCurve2D, SmoothOrientedCurve2D

All Known Implementing Classes:

Circle2D, Ellipse2D

public interface EllipseShape2D
extends SmoothContour2D, Conic2D

A common interface for Circle2D and Ellipse2D.

Author:

dlegland

Nested Class Summary

Nested classes/interfaces inherited from interface math.geom2d.conic.Conic2D

Conic2D.Type

Field Summary

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Method Summary

Point2D	center() Returns center of the ellipse shape.
java.util.Collection<? extends EllipseShape2D>	continuousCurves() Returns the collection of continuous curves which constitute this curve.
boolean	isCircle() Returns true if this ellipse shape is similar to a circle, i.e. has same length for both semi-axes.
boolean	isDirect() If an ellipse shape is direct, it is the boundary of a convex domain.
EllipseShape2D	reverse() Reverses the contour, and returns an instance of SmoothContour2D.
EllipseShape2D	transform(AffineTransform2D trans) Transforms the contour, and returns an instance of SmoothContour2D.

Methods inherited from interface math.geom2d.domain.SmoothOrientedCurve2D

clip, subCurve

Methods inherited from interface math.geom2d.curve.SmoothCurve2D

normal, tangent

Methods inherited from interface math.geom2d.domain.Boundary2D

domain, fill, isInside

Methods inherited from interface math.geom2d.curve.ContinuousCurve2D

appendPath, asPolyline, curvature, isClosed, leftTangent, rightTangent, smoothPieces

Methods inherited from interface math.geom2d.domain.OrientedCurve2D

signedDistance, signedDistance, windingAngle

Methods inherited from interface math.geom2d.curve.Curve2D

asAwtShape, clone, draw, firstPoint, getT0, getT1, intersections, isSingular, lastPoint, point, position, project, singularPoints, t0, t1, vertices

Methods inherited from interface math.geom2d.Shape2D

boundingBox, contains, contains, distance, distance, isBounded, isEmpty

Methods inherited from interface math.geom2d.GeometricObject2D

almostEquals

Methods inherited from interface math.geom2d.conic.Conic2D

clip, conicCoefficients, conicType, eccentricity

Method Detail

center

Point2D center()

Returns center of the ellipse shape.

isCircle

boolean isCircle()

Returns true if this ellipse shape is similar to a circle, i.e. has same length for both semi-axes.

isDirect

boolean isDirect()

If an ellipse shape is direct, it is the boundary of a convex domain. Otherwise, the complementary of the bounded domain is convex.

reverse

EllipseShape2D reverse()

Description copied from interface: SmoothContour2D

Reverses the contour, and returns an instance of SmoothContour2D.

Specified by:

reverse in interface Boundary2D

Specified by:

reverse in interface Conic2D

Specified by:

reverse in interface ContinuousCurve2D

Specified by:

reverse in interface ContinuousOrientedCurve2D

Specified by:

reverse in interface Contour2D

Specified by:

reverse in interface Curve2D

Specified by:

reverse in interface OrientedCurve2D

Specified by:

reverse in interface SmoothContour2D

Specified by:

reverse in interface SmoothCurve2D

Specified by:

reverse in interface SmoothOrientedCurve2D

continuousCurves

java.util.Collection<? extends EllipseShape2D> continuousCurves()

Description copied from interface: Curve2D

Returns the collection of continuous curves which constitute this curve.

Specified by:

continuousCurves in interface Boundary2D

Specified by:

continuousCurves in interface Curve2D

Returns:

a collection of continuous curves.

transform

EllipseShape2D transform(AffineTransform2D trans)

Description copied from interface: SmoothContour2D

Transforms the contour, and returns an instance of SmoothContour2D.

Specified by:

transform in interface Boundary2D

Specified by:

transform in interface Conic2D

Specified by:

transform in interface ContinuousCurve2D

Specified by:

transform in interface ContinuousOrientedCurve2D

Specified by:

transform in interface Contour2D

Specified by:

transform in interface Curve2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Specified by:

transform in interface SmoothContour2D

Specified by:

transform in interface SmoothCurve2D

Specified by:

transform in interface SmoothOrientedCurve2D

Parameters:

trans - an affine transform

Returns:

the transformed shape