//**********************************************************************////<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/TurbulanceShapeDecoration.java,v $//$RCSfile: TurbulanceShapeDecoration.java,v $//$Revision: 1.1.2.4 $//$Date: 2005/08/11 21:03:26 $//$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 turbulance conditions. */public class TurbulanceShapeDecoration extends AbstractShapeDecoration {    /** We use to draw them red ! */    public static Color COLOR = Color.blue;    /**     * Filled half circles for surface fronts, empty ones for altitude     * fronts     */    private boolean filled = true;    /**     * Constructor.     *      * @param length     * @param radius     */    public TurbulanceShapeDecoration(int length, int radius) {        super(length, radius, 1);        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;        double xcoord1 = points[0].getX();        double ycoord1 = points[0].getY();        double xcoord2 = points[nbpts - 1].getX();        double ycoord2 = points[nbpts - 1].getY();        if (complete) {            // Compute cosinus and sinus of rotation angle            double dx = xcoord2 - xcoord1;            double dy = ycoord2 - ycoord1;            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 = getWidth();            // rotate            int x = (int) (xcoord1 + r * rcos);            int y = (int) (ycoord1 + r * rsin);            g.fillOval((int) (x - w / 2),                    (int) (y - w / 2),                    (int) (w),                    (int) (w));        }        restoreGraphics(g);    }    /**     * Returns the filled boolean.     *      * @return boolean     */    public boolean isFilled() {        return filled;    }    /**     * Sets the filled (draw a half disk or a half circle ?).     *      * @param filled The filled to set     */    public void setFilled(boolean filled) {        this.filled = filled;    }}