Application: gvSIG desktop

import java.awt.geom.AffineTransform;

import java.awt.geom.PathIterator;

import org.gvsig.fmap.geom.jts.gputils.DefaultGeneralPathX;

import org.gvsig.fmap.geom.jts.gputils.GeneralPathXIterator;

import org.gvsig.fmap.geom.jts.util.JTSUtils;

import org.gvsig.fmap.geom.primitive.GeneralPathX;

    /*

     * (non-Javadoc)

     *

     * @see org.gvsig.fmap.geom.Geometry#getGeneralPath()

     */

    public GeneralPathX getGeneralPath() {

        return new DefaultGeneralPathX(new PointIterator(null),false,0);

    }

    /*

     * (non-Javadoc)

     *

     * @see

     * org.gvsig.fmap.geom.Geometry#getPathIterator(java.awt.geom.AffineTransform

     * )

     */

    public PathIterator getPathIterator(AffineTransform at) {

        PointIterator pi = new PointIterator(at);

        return pi;

    }

    public class PointIterator extends GeneralPathXIterator {

        /** Transform applied on the coordinates during iteration */

        private AffineTransform at;

        /** True when the point has been read once */

        private boolean done;

        /**

         * Creates a new PointIterator object.

         *

         * @param p The polygon

         * @param at The affine transform applied to coordinates during iteration

         */

        public PointIterator(AffineTransform at) {

            super(new GeneralPathX());

            if (at == null) {

                at = new AffineTransform();

            }

            this.at = at;

            done = false;

        }

        /**

         * Return the winding rule for determining the interior of the path.

         *

         * @return <code>WIND_EVEN_ODD</code> by default.

         */

        public int getWindingRule() {

            return PathIterator.WIND_EVEN_ODD;

        }

        /**

         * @see java.awt.geom.PathIterator#next()

         */

        public void next() {

            done = true;

        }

        /**

         * @see java.awt.geom.PathIterator#isDone()

         */

        public boolean isDone() {

            return done;

        }

        /**

         * @see java.awt.geom.PathIterator#currentSegment(double[])

         */

        public int currentSegment(double[] coords) {

            coords[0] = getX();

            coords[1] = getY();

            at.transform(coords, 0, coords, 0, 1);

            return PathIterator.SEG_MOVETO;

        }

        /* (non-Javadoc)

         * @see java.awt.geom.PathIterator#currentSegment(float[])

         */

        public int currentSegment(float[] coords) {

            coords[0] = (float) getX();

            coords[1] = (float) getY();

            at.transform(coords, 0, coords, 0, 1);

            return PathIterator.SEG_MOVETO;

        }

    }