Application: gvSIG desktop

package com.iver.cit.gvsig.project.documents.table;

import java.awt.geom.PathIterator;

import java.util.ArrayList;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.v02.FConverter;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

/**

 * @author Vicente Caballero Navarro

 */

public abstract class GraphicOperator extends AbstractOperator{

        private FLyrVect lv=null;

        public void setLayer(FLyrVect lv) {

                this.lv=lv;

        }

        public FLyrVect getLayer() {

                return lv;

        }

        public abstract double process(Index index) throws DriverIOException;

        protected Double[][] getXY(IGeometry geometry) {

        ArrayList xs = new ArrayList();

        ArrayList ys = new ArrayList();

        double[] theData = new double[6];

        //double[] aux = new double[6];

        PathIterator theIterator;

        int theType;

        int numParts = 0;

        // boolean bFirst = true;

        // int xInt, yInt, antX = -1, antY = -1;

        theIterator = geometry.getPathIterator(null,FConverter.FLATNESS); //, flatness);

        // int numSegmentsAdded = 0;

        while (!theIterator.isDone()) {

            theType = theIterator.currentSegment(theData);

            switch (theType) {

            case PathIterator.SEG_MOVETO:

                numParts++;

                xs.add(new Double(theData[0]));

                ys.add(new Double(theData[1]));

                break;

            case PathIterator.SEG_LINETO:

                xs.add(new Double(theData[0]));

                ys.add(new Double(theData[1]));

                break;

            case PathIterator.SEG_CLOSE:

                xs.add(new Double(theData[0]));

                ys.add(new Double(theData[1]));

                break;

            } //end switch

            theIterator.next();

        } //end while loop

        Double[] x = (Double[]) xs.toArray(new Double[0]);

        Double[] y = (Double[]) ys.toArray(new Double[0]);

        return new Double[][] { x, y };

    }

}