Revision 2204 org.gvsig.vectorediting/trunk/org.gvsig.vectorediting/org.gvsig.vectorediting.lib/org.gvsig.vectorediting.lib.prov/org.gvsig.vectorediting.lib.prov.extendline/src/main/java/org/gvsig/vectorediting/lib/prov/extendline/operation/CurveExtendLineOperation.java

View differences:

CurveExtendLineOperation.java
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import org.gvsig.fmap.dal.exception.DataException;


  		




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import org.gvsig.fmap.dal.feature.FeatureSelection;


  		




  
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import org.gvsig.fmap.geom.Geometry;


  		




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import org.gvsig.fmap.geom.GeometryLocator;


  		




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import org.gvsig.fmap.geom.GeometryManager;


  		




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import org.gvsig.fmap.geom.exception.CreateGeometryException;


  		




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        return extendedLine;


  		




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    }


  		




  
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    @Override


  		




  
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    public Curve extendLine(Curve lineToExtend, Point insertedPoint, Geometry boundaryObject) throws GeometryOperationNotSupportedException, GeometryOperationException, DataException, CreateGeometryException {


  		




  
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        GeometryManager geoManager = GeometryLocator.getGeometryManager();


  		




  
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        int subtype = lineToExtend.getGeometryType().getSubType();


  		




  
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        Curve extendedLine = geoManager.createLine(subtype);


  		




  
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        Point startVertex = lineToExtend.getVertex(0);


  		




  
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        Point endVertex =


  		




  
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            lineToExtend.getVertex(lineToExtend.getNumVertices() - 1);


  		




  
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        Point startIntersectionPoint = null;


  		




  
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        Point endIntersectionPoint = null;


  		




  
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        if (insertedPoint.distance(startVertex) < insertedPoint


  		




  
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            .distance(endVertex)) {


  		




  
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            startIntersectionPoint =


  		




  
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                ExtendLineOperationUtils.curveIntersection(lineToExtend,


  		




  
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                    ExtendLineOperationUtils.START_SIDE, boundaryObject);


  		




  
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        } else {


  		




  
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            endIntersectionPoint =


  		




  
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                ExtendLineOperationUtils.curveIntersection(lineToExtend,


  		




  
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                    ExtendLineOperationUtils.END_SIDE, boundaryObject);


  		




  
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        }


  		




  
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        if (startIntersectionPoint != null) {


  		




  
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            extendedLine.addVertex(startIntersectionPoint);


  		




  
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        }


  		




  
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        for (int i = 0; i < lineToExtend.getNumVertices(); i++) {


  		




  
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            extendedLine.addVertex(lineToExtend.getVertex(i));


  		




  
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        }


  		




  
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        if (endIntersectionPoint != null) {


  		




  
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            extendedLine.addVertex(endIntersectionPoint);


  		




  
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        }


  		




  
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        return extendedLine;


  		




  
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    }


  		




  
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}


  		












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