org.kabeja.dxf.helpers
Class HatchLineIterator

java.lang.Object
  org.kabeja.dxf.helpers.HatchLineIterator

All Implemented Interfaces:

java.util.Iterator

public class HatchLineIterator
extends java.lang.Object
implements java.util.Iterator

Author:

Field Summary

protected double	angle
protected java.util.List	bounderyEdges
protected double	currentWalkingStep
protected Bounds	hatchBounds
protected double	length
static double	LIMIT
protected HatchLineFamily	pattern
protected ParametricLine	patternLine
protected Vector	r
protected double	tmax
protected double	tmin
protected Vector	v
protected double	walkingLength

Constructor Summary

HatchLineIterator(DXFHatch hatch, HatchLineFamily pattern)

Method Summary

protected void	calculateIntersection(double x, double y)
protected Point	getPoint(double m, double n)
protected double[]	getRasterValues(double x, double y) calculate the m and n raster values of a given point.
boolean	hasNext()
protected void	initialize()
java.lang.Object	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

LIMIT

public static final double LIMIT

See Also:

Constant Field Values

angle

protected double angle

hatchBounds

protected Bounds hatchBounds

pattern

protected HatchLineFamily pattern

length

protected double length

v

protected Vector v

r

protected Vector r

bounderyEdges

protected java.util.List bounderyEdges

patternLine

protected ParametricLine patternLine

tmin

protected double tmin

tmax

protected double tmax

walkingLength

protected double walkingLength

currentWalkingStep

protected double currentWalkingStep

Constructor Detail

HatchLineIterator

public HatchLineIterator(DXFHatch hatch,
                         HatchLineFamily pattern)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

initialize

protected void initialize()

calculateIntersection

protected void calculateIntersection(double x,
                                     double y)

getRasterValues

protected double[] getRasterValues(double x,
                                   double y)

calculate the m and n raster values of a given point.

Returns:

the raster values, where v[0]=m and v[1]=n

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

getPoint

protected Point getPoint(double m,
                         double n)