Module org.arakhne.afc.core.mathgeom

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

Class Circle2ai.AbstractCirclePathIterator<IE extends PathElement2ai>

java.lang.Object

org.arakhne.afc.math.geometry.d2.ai.Circle2ai.AbstractCirclePathIterator<IE>

Type Parameters:

IE - is the type of the path elements.

All Implemented Interfaces:

Iterator<IE>, PathIterator2ai<IE>, PathIterator2D<IE>

Direct Known Subclasses:

Circle2ai.CirclePathIterator, Circle2ai.TransformedCirclePathIterator

Enclosing interface:

Circle2ai<ST extends Shape2ai<?,?,IE,P,V,B>,IT extends Circle2ai<?,?,IE,P,V,B>,IE extends PathElement2ai,P extends Point2D<? super P,? super V>,V extends Vector2D<? super V,? super P>,B extends Rectangle2ai<?,?,IE,P,V,B>>

public abstract static class Circle2ai.AbstractCirclePathIterator<IE extends PathElement2ai>
extends Object
implements PathIterator2ai<IE>

Abstract iterator on the path elements of the circle.

Since:

13.0

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 Circle2ai<?,?,IE,?,?,?>	circle	The element factory.
protected static double[][]	CTRL_PTS	ctrlpts contains 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 static double	CTRL_VAL	ArcIterator.btan(Math.PI/2).
protected static double	NCV	ctrlpts contains 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 static double	PCV	ctrlpts contains 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.

Constructor Summary

Constructors

Constructor	Description
AbstractCirclePathIterator(Circle2ai<?,?,IE,?,?,?> circle)	Constructor.

Method Summary

Modifier and Type	Method	Description
GeomFactory2ai<IE,?,?,?>	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.ai.PathIterator2ai

restartIterations

Field Detail

CTRL_VAL

protected static final double CTRL_VAL

ArcIterator.btan(Math.PI/2).

See Also:

Constant Field Values

PCV

protected static final double PCV

ctrlpts contains 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.

See Also:

Constant Field Values

NCV

protected static final double NCV

ctrlpts contains 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.

See Also:

Constant Field Values

CTRL_PTS

protected static final double[][] CTRL_PTS

ctrlpts contains 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.

circle

protected final Circle2ai<?,?,IE extends PathElement2ai,?,?,?> circle

The element factory.

Constructor Detail

AbstractCirclePathIterator

public AbstractCirclePathIterator(Circle2ai<?,?,IE,?,?,?> circle)

Constructor.

Parameters:

circle - the circle.

Method Detail

remove

public void remove()

Specified by:

remove in interface Iterator<IE extends PathElement2ai>

getWindingRule

@Pure
public PathWindingRule getWindingRule()

Description copied from interface: PathIterator2D

Replies the winding rule for the path.

Specified by:

getWindingRule in interface PathIterator2D<IE extends PathElement2ai>

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<IE extends PathElement2ai>

Returns:

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

getGeomFactory

public GeomFactory2ai<IE,?,?,?> getGeomFactory()

Description copied from interface: PathIterator2D

Replies the factory of geometrical elements.

Specified by:

getGeomFactory in interface PathIterator2ai<IE extends PathElement2ai>

Specified by:

getGeomFactory in interface PathIterator2D<IE extends PathElement2ai>

Returns:

the factory.

isCurved

public boolean isCurved()

Description copied from interface: PathIterator2D

Replies the path contains a curve.

Specified by:

isCurved in interface PathIterator2D<IE extends PathElement2ai>

Returns:

true if the path contains curve primitives, false otherwise.

isMultiParts

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<IE extends PathElement2ai>

Returns:

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

isPolygon

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<IE extends PathElement2ai>

Returns:

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