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ObjectAbstractLiteIterator
PolygonIterator
public final class PolygonIterator
A path iterator for the LiteShape class, specialized to iterate over Polygon objects.
Field Summary |
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Fields inherited from class AbstractLiteIterator |
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dcoords |
Fields inherited from interface PathIterator |
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SEG_CLOSE, SEG_CUBICTO, SEG_LINETO, SEG_MOVETO, SEG_QUADTO, WIND_EVEN_ODD, WIND_NON_ZERO |
Constructor Summary | |
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PolygonIterator(Polygon p,
AffineTransform at)
Creates a new PolygonIterator object. |
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PolygonIterator(Polygon p,
AffineTransform at,
boolean generalize)
Creates a new PolygonIterator object. |
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PolygonIterator(Polygon p,
AffineTransform at,
boolean generalize,
double maxDistance)
Creates a new PolygonIterator object. |
Method Summary | |
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int |
currentSegment(double[] coords)
Returns the coordinates and type of the current path segment in the iteration. |
double |
getMaxDistance()
Returns the distance limit for point skipping during distance based generalization |
int |
getWindingRule()
Return the winding rule for determining the interior of the path. |
boolean |
isDone()
Tests if the iteration is complete. |
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. |
void |
setMaxDistance(double distance)
Sets the distance limit for point skipping during distance based generalization |
protected void |
transform(double[] src,
int index,
double[] dest,
int destIndex,
int numPoints)
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Methods inherited from class AbstractLiteIterator |
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currentSegment |
Methods inherited from class Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PolygonIterator(Polygon p, AffineTransform at)
p
- The polygonat
- The affine transform applied to coordinates during iterationpublic PolygonIterator(Polygon p, AffineTransform at, boolean generalize)
p
- The polygonat
- The affine transform applied to coordinates during iterationgeneralize
- if true apply simple distance based generalizationpublic PolygonIterator(Polygon p, AffineTransform at, boolean generalize, double maxDistance)
p
- The polygonat
- The affine transform applied to coordinates during iterationgeneralize
- if true apply simple distance based generalizationmaxDistance
- during iteration, a point will be skipped if it's
distance from the previous is less than maxDistanceMethod Detail |
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public void setMaxDistance(double distance)
distance
- the maximum distance for point skippingpublic double getMaxDistance()
public int currentSegment(double[] coords)
coords
- an array that holds the data returned from this method
PathIterator.SEG_MOVETO
,
PathIterator.SEG_LINETO
,
PathIterator.SEG_QUADTO
,
PathIterator.SEG_CUBICTO
,
PathIterator.SEG_CLOSE
protected void transform(double[] src, int index, double[] dest, int destIndex, int numPoints)
public int getWindingRule()
WIND_EVEN_ODD
by default.public boolean isDone()
true
if all the segments have been read;
false
otherwise.public void next()
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