svn-gvsig-desktop / branches / v2_0_0_prep / extensions / extExpressionField / src / com / iver / cit / gvsig / project / documents / table / GraphicOperator.java @ 27752
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package com.iver.cit.gvsig.project.documents.table; |
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import java.awt.geom.PathIterator; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.util.Converter; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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/**
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* @author Vicente Caballero Navarro
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*/
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public abstract class GraphicOperator extends AbstractOperator{ |
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private FLyrVect lv=null; |
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public void setLayer(FLyrVect lv) { |
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this.lv=lv;
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} |
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public FLyrVect getLayer() {
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return lv;
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} |
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public abstract double process(org.gvsig.fmap.dal.feature.Feature feature); |
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protected ArrayList getXY(Geometry geometry) { |
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ArrayList xs = new ArrayList(); |
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ArrayList ys = new ArrayList(); |
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ArrayList parts=new ArrayList(); |
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double[] theData = new double[6]; |
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//double[] aux = new double[6];
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PathIterator theIterator;
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int theType;
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int numParts = 0; |
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theIterator = geometry.getPathIterator(null,Converter.FLATNESS); //, flatness); |
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boolean isClosed = false; |
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while (!theIterator.isDone()) {
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theType = theIterator.currentSegment(theData); |
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switch (theType) {
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case PathIterator.SEG_MOVETO: |
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if (numParts==0){ |
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xs.add(new Double(theData[0])); |
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ys.add(new Double(theData[1])); |
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}else{
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if (!isClosed){
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Double[] x = (Double[]) xs.toArray(new Double[0]); |
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Double[] y = (Double[]) ys.toArray(new Double[0]); |
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parts.add(new Double[][] { x, y }); |
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xs.clear(); |
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ys.clear(); |
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} |
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xs.add(new Double(theData[0])); |
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ys.add(new Double(theData[1])); |
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} |
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numParts++; |
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isClosed = false;
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break;
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case PathIterator.SEG_LINETO: |
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isClosed=false;
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xs.add(new Double(theData[0])); |
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ys.add(new Double(theData[1])); |
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break;
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case PathIterator.SEG_CLOSE: |
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isClosed=true;
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xs.add(new Double(theData[0])); |
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ys.add(new Double(theData[1])); |
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Double[] x = (Double[]) xs.toArray(new Double[0]); |
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Double[] y = (Double[]) ys.toArray(new Double[0]); |
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parts.add(new Double[][] { x, y }); |
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xs.clear(); |
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ys.clear(); |
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break;
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} //end switch
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theIterator.next(); |
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} //end while loop
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if (!isClosed){
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isClosed=true;
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xs.add(new Double(theData[0])); |
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ys.add(new Double(theData[1])); |
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Double[] x = (Double[]) xs.toArray(new Double[0]); |
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Double[] y = (Double[]) ys.toArray(new Double[0]); |
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parts.add(new Double[][] { x, y }); |
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xs.clear(); |
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ys.clear(); |
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} |
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return parts;
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} |
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} |