//**********************************************************************////<copyright>////BBN Technologies//10 Moulton Street//Cambridge, MA 02138//(617) 873-8000////Copyright (C) BBNT Solutions LLC. All rights reserved.////</copyright>//**********************************************************************////$Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/omGraphics/meteo/ColdFrontShapeDecoration.java,v $//$RCSfile: ColdFrontShapeDecoration.java,v $//$Revision: 1.5.2.2 $//$Date: 2005/08/09 21:17:50 $//$Author: dietrick $////**********************************************************************package com.bbn.openmap.omGraphics.meteo;import java.awt.Color;import java.awt.Graphics;import java.awt.geom.Point2D;import com.bbn.openmap.omGraphics.awt.AbstractShapeDecoration;/** * A ShapeDecoration for meteorological cold fronts. *  * @author Eric LEPICIER * @version 28 juil. 2002 */public class ColdFrontShapeDecoration extends AbstractShapeDecoration {    /** We use to draw them blue ! */    public static Color COLOR = Color.blue;    /**     * Filled half triangles for surface fronts, empty ones for     * altitude fronts     */    private boolean filled = true;    /**     * Constructor.     *      * @param length     * @param width     * @param orientation     */    public ColdFrontShapeDecoration(int length, int width, int orientation) {        super(length, width, orientation);        setPaint(COLOR);    }    /**     * @see com.bbn.openmap.omGraphics.awt.ShapeDecoration#draw(Graphics,     *      Point2D[], boolean)     */    public void draw(Graphics g, Point2D[] points, boolean complete) {        setGraphics(g);        int nbpts = points.length;        int xcoord[] = new int[nbpts + 2];        int ycoord[] = new int[nbpts + 2];        for (int i = 0; i < nbpts; i++) {            xcoord[i] = (int) points[i].getX();            ycoord[i] = (int) points[i].getY();        }        if (complete) {            int orient = getOrientation() == LEFT ? -1 : 1;            // Compute cosinus and sinus of rotation angle            double dx = points[nbpts - 1].getX() - points[0].getX();            double dy = points[nbpts - 1].getY() - points[0].getY();            double norm = Math.sqrt(dx * dx + dy * dy);            double rcos = dx / norm;            double rsin = dy / norm;            // Compute vertices            double r = getLength() / 2.0; // x radius before rotation            double w = orient * getWidth(); // y radius before                                            // rotation            // rotate            xcoord[nbpts] = (int) (points[0].getX() + r * rcos - w * rsin);            ycoord[nbpts++] = (int) (points[0].getY() + r * rsin + w * rcos);            // link to start            xcoord[nbpts] = (int) points[0].getX();            ycoord[nbpts++] = (int) points[0].getY();            if (filled)                g.fillPolygon(xcoord, ycoord, nbpts);        }        g.drawPolyline(xcoord, ycoord, nbpts);        restoreGraphics(g);    }    /**     * Returns the filled boolean.     *      * @return boolean     */    public boolean isFilled() {        return filled;    }    /**     * Sets the filled (draw a polygon or a polyline ?).     *      * @param filled The filled to set     */    public void setFilled(boolean filled) {        this.filled = filled;    }}