Module org.arakhne.afc.core.mathgeom

Package org.arakhne.afc.math.geometry.d2.afp

Class Ellipse2afp.AbstractEllipsePathIterator<T extends PathElement2afp>

java.lang.Object

org.arakhne.afc.math.geometry.d2.afp.Ellipse2afp.AbstractEllipsePathIterator<T>

Type Parameters:

T - the type of the path elements.

All Implemented Interfaces:

Cloneable, Iterator<T>, PathIterator2afp<T>, PathIterator2D<T>

Direct Known Subclasses:

Ellipse2afp.EllipsePathIterator, Ellipse2afp.TransformedEllipsePathIterator

Enclosing interface:

Ellipse2afp<ST extends Shape2afp<?,?,IE,P,V,B>,IT extends Ellipse2afp<?,?,IE,P,V,B>,IE extends PathElement2afp,P extends Point2D<? super P,? super V>,V extends Vector2D<? super V,? super P>,B extends Rectangle2afp<?,?,IE,P,V,B>>

public abstract static class Ellipse2afp.AbstractEllipsePathIterator<T extends PathElement2afp>
extends Object
implements PathIterator2afp<T>

Abstract iterator on the path elements of the ellipse.

Version:

17.0 2020-01-04 14:41:43

Author:

Stéphane GALLAND

Maven Group Id:

org.arakhne.afc.core

Maven Artifact Id:

mathgeom

Field Summary

Fields

Modifier and Type	Field	Description
protected static double[][]	BEZIER_CONTROL_POINTS	The control points for a set of 4 cubic bezier curves that approximate a circle of radius 0.5 centered at 0.5, 0.5.
protected Ellipse2afp<?,?,T,?,?,?>	ellipse	The iterated shape.
protected static double	NCV	Negative curve tangent size.
protected static int	NUMBER_ELEMENTS	4 segments + close.
protected static double	PCV	Positive curve tangent size.

Constructor Summary

Constructors

Constructor	Description
AbstractEllipsePathIterator(Ellipse2afp<?,?,T,?,?,?> ellipse)	Constructor.

Method Summary

Modifier and Type	Method	Description
GeomFactory2afp<T,?,?,?>	getGeomFactory()	Replies the factory of geometrical elements.
PathWindingRule	getWindingRule()	Replies the winding rule for the path.
boolean	isCurved()	Replies the path contains a curve.
boolean	isMultiParts()	Replies the path has multiple parts, i.e. multiple MOVE_TO are inside.
boolean	isPolygon()	Replies the path is composed only by one MOVE_TO, a sequence of LINE_TO or QUAD_TO or CURVE_TO or ARC_TO, and a single CLOSE primitives.
boolean	isPolyline()	Replies the path is composed only by one MOVE_TO, and a sequence of LINE_TO primitives.
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next

Methods inherited from interface org.arakhne.afc.math.geometry.d2.afp.PathIterator2afp

restartIterations

Field Detail

PCV

protected static final double PCV

Positive curve tangent size.

See Also:

Constant Field Values

NCV

protected static final double NCV

Negative curve tangent size.

See Also:

Constant Field Values

BEZIER_CONTROL_POINTS

protected static final double[][] BEZIER_CONTROL_POINTS

The control points for a set of 4 cubic bezier curves that approximate a circle of radius 0.5 centered at 0.5, 0.5.

NUMBER_ELEMENTS

protected static final int NUMBER_ELEMENTS

4 segments + close.

See Also:

Constant Field Values

ellipse

protected final Ellipse2afp<?,?,T extends PathElement2afp,?,?,?> ellipse

The iterated shape.

Constructor Detail

AbstractEllipsePathIterator

public AbstractEllipsePathIterator(Ellipse2afp<?,?,T,?,?,?> ellipse)

Constructor.

Parameters:

ellipse - the ellipse to iterate on.

Method Detail

getGeomFactory

public GeomFactory2afp<T,?,?,?> getGeomFactory()

Description copied from interface: PathIterator2D

Replies the factory of geometrical elements.

Specified by:

getGeomFactory in interface PathIterator2afp<T extends PathElement2afp>

Specified by:

getGeomFactory in interface PathIterator2D<T extends PathElement2afp>

Returns:

the factory.

remove

public void remove()

Specified by:

remove in interface Iterator<T extends PathElement2afp>

getWindingRule

@Pure
public PathWindingRule getWindingRule()

Description copied from interface: PathIterator2D

Replies the winding rule for the path.

Specified by:

getWindingRule in interface PathIterator2D<T extends PathElement2afp>

Returns:

the winding rule for the path.

isPolyline

@Pure
public boolean isPolyline()

Description copied from interface: PathIterator2D

Replies the path is composed only by one MOVE_TO, and a sequence of LINE_TO primitives.

Specified by:

isPolyline in interface PathIterator2D<T extends PathElement2afp>

Returns:

true if the path does not contain curve primitives, false otherwise.

isCurved

@Pure
public boolean isCurved()

Description copied from interface: PathIterator2D

Replies the path contains a curve.

Specified by:

isCurved in interface PathIterator2D<T extends PathElement2afp>

Returns:

true if the path contains curve primitives, false otherwise.

isPolygon

@Pure
public boolean isPolygon()

Description copied from interface: PathIterator2D

Replies the path is composed only by one MOVE_TO, a sequence of LINE_TO or QUAD_TO or CURVE_TO or ARC_TO, and a single CLOSE primitives.

Specified by:

isPolygon in interface PathIterator2D<T extends PathElement2afp>

Returns:

true if the path does not contain curve primitives, false otherwise.

isMultiParts

@Pure
public boolean isMultiParts()

Description copied from interface: PathIterator2D

Replies the path has multiple parts, i.e. multiple MOVE_TO are inside. primitives.

Specified by:

isMultiParts in interface PathIterator2D<T extends PathElement2afp>

Returns:

true if the path has multiple move-to primitive, false otherwise.