math.geom2d.domain
Interface Boundary2D

All Superinterfaces:

java.lang.Cloneable, Curve2D, GeometricObject2D, OrientedCurve2D, Shape2D

All Known Subinterfaces:

CircleLine2D, CirculinearBoundary2D, CirculinearContour2D, CirculinearRing2D, Conic2D, Contour2D, EllipseShape2D, SmoothContour2D

All Known Implementing Classes:

BoundaryPolyCirculinearCurve2D, BoundaryPolyCurve2D, Circle2D, CirculinearContourArray2D, ContourArray2D, Ellipse2D, GenericCirculinearRing2D, Hyperbola2D, HyperbolaBranch2D, LinearRing2D, Parabola2D, StraightLine2D

public interface Boundary2D
extends OrientedCurve2D

A Boundary2D is the curve which defines the contour of a domain in the plane. It is compound of one or several non-intersecting and oriented curves. Curves composing the boundary implements the Contour2D interface.

Author:

dlegland

See Also:

Contour2D

Field Summary

Fields inherited from interface math.geom2d.Shape2D

ACCURACY

Method Summary

java.util.Collection<? extends Contour2D>	continuousCurves() Overloads the declaration of continuousCurves to return a collection of contours (instances of Contour2D).
Domain2D	domain() Returns the domain delimited by this boundary.
void	fill(java.awt.Graphics2D g2) Fills the interior of the boundary, using the Graphics current Paint.
boolean	isInside(Point2D pt) Returns true if the point is 'inside' the domain bounded by the curve.
Boundary2D	reverse() Forces the subclasses to return an instance of Boundary2D.
Boundary2D	transform(AffineTransform2D trans) Forces the subclasses to return an instance of Boundary2D.

Methods inherited from interface math.geom2d.domain.OrientedCurve2D

clip, signedDistance, signedDistance, windingAngle

Methods inherited from interface math.geom2d.curve.Curve2D

asAwtShape, clone, draw, firstPoint, getT0, getT1, intersections, isSingular, lastPoint, point, position, project, singularPoints, subCurve, 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

Method Detail

isInside

boolean isInside(Point2D pt)

Returns true if the point is 'inside' the domain bounded by the curve.

Specified by:

isInside in interface OrientedCurve2D

Parameters:

pt - a point in the plane

Returns:

true if the point is on the left side of the curve.

continuousCurves

java.util.Collection<? extends Contour2D> continuousCurves()

Overloads the declaration of continuousCurves to return a collection of contours (instances of Contour2D).

Specified by:

continuousCurves in interface Curve2D

Returns:

a collection of continuous curves.

domain

Domain2D domain()

Returns the domain delimited by this boundary.

Returns:

the domain delimited by this boundary

reverse

Boundary2D reverse()

Forces the subclasses to return an instance of Boundary2D.

Specified by:

reverse in interface Curve2D

Specified by:

reverse in interface OrientedCurve2D

transform

Boundary2D transform(AffineTransform2D trans)

Forces the subclasses to return an instance of Boundary2D.

Specified by:

transform in interface Curve2D

Specified by:

transform in interface OrientedCurve2D

Specified by:

transform in interface Shape2D

Parameters:

trans - an affine transform

Returns:

the transformed shape

fill

void fill(java.awt.Graphics2D g2)

Fills the interior of the boundary, using the Graphics current Paint.

Parameters:

g2 - the Graphics to fill on