Package snap.geom

Class Path2DX

java.lang.Object

snap.geom.Shape

snap.geom.ShapeBuilder

snap.geom.Path2D

snap.geom.Path2DX

All Implemented Interfaces:

Cloneable

public class Path2DX
extends Path2D

This extended Path2D provides extra features like ArcLength measurement.

Field Summary

Fields inherited from class snap.geom.Path2D

_pointCount, _points, _segCount, _segPointIndexes, _segs

Fields inherited from class snap.geom.Shape

_bounds, WIND_EVEN_ODD, WIND_NON_ZERO

Constructor Summary

Constructors

Constructor	Description
Path2DX()	Constructor.
Path2DX(Shape aShape)	Constructor with given shape.

Method Summary

Modifier and Type	Method	Description
double	getArcLength()	Returns the total arc length of path.
double[]	getArcLengths()	Returns the lengths array.
Seg	getSegAndSegmentPointsForIndex(int anIndex, double[] theCoords, Transform aTrans)	Returns all points (start/control/end) for a given seg index, by copying to given array (should be length of 8).
double	getSegArcLength(int anIndex)	Returns the total arc length of path.
Segment	getSegment(int anIndex, Transform aTrans)	Returns the segment at index.
protected void	shapeChanged()	Override to clear ArcLengths.

Methods inherited from class snap.geom.Path2D

addPoint, addSeg, clear, clone, close, copyFor, curveTo, equals, fitToCurveFromPointIndex, getLastPoint, getLastPointX, getLastPointY, getLastSeg, getPathIter, getPoint, getPointCount, getSeg, getSegAndPointsForIndex, getSegCount, getSegIndexForPointIndex, getSegPointIndex, getWinding, lineTo, moveTo, quadTo, removeLastSeg, setPoint, setWinding

Methods inherited from class snap.geom.ShapeBuilder

appendPathIter, appendSegment, appendShape, appendSvgString, arcTo, curveToFlat, hlineTo, lineBy, quadToFlat, vlineTo

Methods inherited from class snap.geom.Shape

addShapes, contains, contains, contains, contains, containsSeg, copyFor, copyForBounds, crossesSeg, getBounds, getBoundsImpl, getCrossings, getDistance, getFlattenedShape, getFlattenedShape, getHeight, getNotSelfIntersectingShape, getSvgString, getWidth, getX, getY, intersects, intersects, intersects, intersectShapes, intersectsSeg, isClosed, isFlat, isMultiCycle, isSelfIntersecting, isSingleCycle, subtractShapes, toString

Methods inherited from class java.lang.Object

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

Constructor Details

Path2DX

public Path2DX()

Constructor.

Path2DX

public Path2DX(Shape aShape)

Constructor with given shape.

Method Details

getSegment

public Segment getSegment(int anIndex,
 Transform aTrans)

Returns the segment at index.

getSegAndSegmentPointsForIndex

public Seg getSegAndSegmentPointsForIndex(int anIndex,
 double[] theCoords,
 Transform aTrans)

Returns all points (start/control/end) for a given seg index, by copying to given array (should be length of 8).

getArcLength

public double getArcLength()

Returns the total arc length of path.

Overrides:

getArcLength in class Shape

getSegArcLength

public double getSegArcLength(int anIndex)

Returns the total arc length of path.

getArcLengths

public double[] getArcLengths()

Returns the lengths array.

shapeChanged

protected void shapeChanged()

Override to clear ArcLengths.

Overrides:

shapeChanged in class Shape