com.itextpdf.text.pdf.internal
Class PolylineShapeIterator

java.lang.Object
  extended by com.itextpdf.text.pdf.internal.PolylineShapeIterator
All Implemented Interfaces:
PathIterator

public class PolylineShapeIterator
extends Object
implements PathIterator

PathIterator for PolylineShape. This class was originally written by wil - amristar.com.au and integrated into iText by Bruno.


Field Summary
protected  AffineTransform affine
          an affine transformation to be performed on the polyline.
protected  int index
          the index of the current segment in the iterator.
protected  PolylineShape poly
          The polyline over which we are going to iterate.
 
Fields inherited from interface java.awt.geom.PathIterator
SEG_CLOSE, SEG_CUBICTO, SEG_LINETO, SEG_MOVETO, SEG_QUADTO, WIND_EVEN_ODD, WIND_NON_ZERO
 
Constructor Summary
PolylineShapeIterator(PolylineShape l, AffineTransform at)
          Creates a PolylineShapeIterator.
 
Method Summary
 int currentSegment(double[] coords)
          Returns the coordinates and type of the current path segment in the iteration.
 int currentSegment(float[] coords)
          Returns the coordinates and type of the current path segment in the iteration.
 int getWindingRule()
          Return the winding rule for determining the insideness of the path.
 boolean isDone()
          Tests if there are more points to read.
 void next()
          Moves the iterator to the next segment of the path forwards along the primary direction of traversal as long as there are more points in that direction.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

poly

protected PolylineShape poly
The polyline over which we are going to iterate.


affine

protected AffineTransform affine
an affine transformation to be performed on the polyline.


index

protected int index
the index of the current segment in the iterator.

Constructor Detail

PolylineShapeIterator

PolylineShapeIterator(PolylineShape l,
                      AffineTransform at)
Creates a PolylineShapeIterator.

Method Detail

currentSegment

public int currentSegment(double[] coords)
Returns the coordinates and type of the current path segment in the iteration. The return value is the path segment type: SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE. A double array of length 6 must be passed in and may be used to store the coordinates of the point(s). Each point is stored as a pair of double x,y coordinates. SEG_MOVETO and SEG_LINETO types will return one point, SEG_QUADTO will return two points, SEG_CUBICTO will return 3 points and SEG_CLOSE will not return any points.

Specified by:
currentSegment in interface PathIterator
See Also:
PathIterator.SEG_MOVETO, PathIterator.SEG_LINETO, PathIterator.SEG_QUADTO, PathIterator.SEG_CUBICTO, PathIterator.SEG_CLOSE, PathIterator.currentSegment(double[])

currentSegment

public int currentSegment(float[] coords)
Returns the coordinates and type of the current path segment in the iteration. The return value is the path segment type: SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE. A double array of length 6 must be passed in and may be used to store the coordinates of the point(s). Each point is stored as a pair of double x,y coordinates. SEG_MOVETO and SEG_LINETO types will return one point, SEG_QUADTO will return two points, SEG_CUBICTO will return 3 points and SEG_CLOSE will not return any points.

Specified by:
currentSegment in interface PathIterator
See Also:
PathIterator.SEG_MOVETO, PathIterator.SEG_LINETO, PathIterator.SEG_QUADTO, PathIterator.SEG_CUBICTO, PathIterator.SEG_CLOSE, PathIterator.currentSegment(float[])

getWindingRule

public int getWindingRule()
Return the winding rule for determining the insideness of the path.

Specified by:
getWindingRule in interface PathIterator
See Also:
PathIterator.WIND_EVEN_ODD, PathIterator.WIND_NON_ZERO, PathIterator.getWindingRule()

isDone

public boolean isDone()
Tests if there are more points to read.

Specified by:
isDone in interface PathIterator
Returns:
true if there are more points to read
See Also:
PathIterator.isDone()

next

public void next()
Moves the iterator to the next segment of the path forwards along the primary direction of traversal as long as there are more points in that direction.

Specified by:
next in interface PathIterator
See Also:
PathIterator.next()

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