| gvSIG desktop 1

package es.prodevelop.gvsig.mobile.fmap.core.acetate;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import es.prodevelop.gvsig.mobile.fmap.core.FPolyline2D;

import es.prodevelop.gvsig.mobile.fmap.core.GeneralPathX;

import es.prodevelop.gvsig.mobile.fmap.util.graph2d.Graph2DUtilities;

public class AcetateTrail extends FPolyline2D implements IAcetateElement {

        public static final int MAX_VERTICES = 100;

        public static final Color ACETATE_TRAILER_COLOR = Color.RED;

        private int maxVertices;

        private GeneralPathX generalPath;

        private int nOfPoints = 0;

        private boolean visible = false;

        public AcetateTrail(int maxv, GeneralPathX gpx) {

                super(gpx);

                maxVertices = maxv;

                generalPath = gpx;

        }

        public void reset() {

                generalPath = new GeneralPathX();

                nOfPoints = 0;

        }

        public void addVertex(double x, double y) {

                if (nOfPoints == 0) {

                        generalPath.moveTo(x, y);

                } else {

                        generalPath.lineTo(x, y);

                }

                nOfPoints++;

        }

        public double getRotation() {

                return 0;

        }

        public void setRotation(double r) {

        }

        public void draw(Graphics2D g, AffineTransform at) {

                if ((nOfPoints == 0) || (!visible)) {

                        return;

                }

                // System.out.println("Drawing TRAIL...");

                g.setColor(ACETATE_TRAILER_COLOR);

                Graph2DUtilities.drawPathIteratorLastVertices(

                                g, generalPath.getPathIterator(at), null, nOfPoints, MAX_VERTICES);

        }

        public void setVisible(boolean b) {

                visible = b;

        }

}