001/*
002 * To change this template, choose Tools | Templates
003 * and open the template in the editor.
004 */
005package sec.sun.awt.geom;
006
007/**
008 *
009 * @author Michael Deutch
010 */
011public class NZWindOp {
012
013    private int count;
014
015    public void newRow() {
016        count = 0;
017    }
018
019    public int classify(Edge e) {
020            // Note: the right curves should be an empty set with this op...
021        // assert(e.getCurveTag() == CTAG_LEFT);
022        int newCount = count;
023        int type = (newCount == 0 ? AreaOp2.ETAG_ENTER : AreaOp2.ETAG_IGNORE);
024        newCount += e.getCurve().getDirection();
025        count = newCount;
026        return (newCount == 0 ? AreaOp2.ETAG_EXIT : type);
027    }
028
029    public int getState() {
030        return ((count == 0) ? AreaOp2.RSTAG_OUTSIDE : AreaOp2.RSTAG_INSIDE);
031    }
032
033}