Revision 5261 trunk/extensions/extCAD/src/com/iver/cit/gvsig/gui/cad/snapping/SnappingVisitor.java

View differences:

SnappingVisitor.java
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	ISnapper snapper;
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	Point2D snapPoint = null;
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	Point2D queryPoint = null;
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	Point2D lastPointEntered = null;
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	double minDist = Double.MAX_VALUE;
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	double distActual;
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	double tolerance;
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	public SnappingVisitor(ISnapper snapper, Point2D queryPoint, double tolerance)
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	public SnappingVisitor(ISnapper snapper, Point2D queryPoint, double tolerance, Point2D lastPointEntered)
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	{
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		this.snapper = snapper;
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		this.tolerance = tolerance;
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		this.queryPoint = queryPoint;
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		this.lastPointEntered = lastPointEntered;
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		distActual = tolerance;
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		snapper.setSnapPoint(null);
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	}
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	public void visitItem(Object item) {
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		IGeometry geom = (IGeometry) item;
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		Point2D aux  = snapper.getSnapPoint(queryPoint, geom, distActual);
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		Point2D aux  = snapper.getSnapPoint(queryPoint, geom, distActual, lastPointEntered);
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		if (aux != null)
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		{
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			snapPoint = aux;
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			minDist = snapPoint.distance(queryPoint);
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			distActual = minDist;
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			snapper.setSnapPoint(snapPoint);
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		}
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	}

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