openmapapppartcollection.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

// **********************************************************************
// 
// <copyright>
// 
//  BBN Technologies
//  10 Moulton Street
//  Cambridge, MA 02138
//  [phone]
// 
//  Copyright (C) BBNT Solutions LLC. All rights reserved.
// 
// </copyright>
// **********************************************************************
// 
// $Source:
// /cvs/distapps/openmap/src/openmap/com/bbn/openmap/tools/icon/OpenMapAppPartCollection.java,v
// $
// $RCSfile: OpenMapAppPartCollection.java,v $
// $Revision: 1.2.2.2 $
// $Date: 2004/10/14 18:27:43 $
// $Author: dietrick $
// 
// **********************************************************************

package com.bbn.openmap.tools.icon;

import java.awt.Polygon;
import java.awt.geom.AffineTransform;

public class OpenMapAppPartCollection extends IconPartCollection {

    static OpenMapAppPartCollection omparts;

    protected OpenMapAppPartCollection() {
        super("OpenMap", "Common parts used in OpenMap Application Icons");
        init();
    }

    public synchronized static OpenMapAppPartCollection getInstance() {
        if (omparts == null) {
            omparts = new OpenMapAppPartCollection();
        }
        return omparts;
    }

    protected void init() {
        add(BIG_BOX.getEntry());
        add(SMALL_BOX.getEntry());
        add(FILL_BOX.getEntry());
        add(UL_TRI.getEntry());
        add(LR_TRI.getEntry());
        add(LL_UR_LINE.getEntry());
        add(UL_LR_LINE.getEntry());
    }

    public final static OpenMapAppPart BIG_BOX = new OpenMapAppPart("BIG_BOX", "BIG_BOX", new int[] {
            10, 10, 90, 90, 10 }, new int[] { 10, 90, 90, 10, 10 });
    public final static OpenMapAppPart SMALL_BOX = new OpenMapAppPart("SMALL_BOX", "SMALL_BOX", new int[] {
            30, 30, 70, 70, 30 }, new int[] { 30, 70, 70, 30, 30 });
    public final static OpenMapAppPart FILL_BOX = new OpenMapAppPart("FILL_BOX", "FILL_BOX", new int[] {
            10, 10, 50, 50, 30, 30, 70, 70, 50, 50, 90, 90, 10 }, new int[] {
            10, 90, 90, 70, 70, 30, 30, 70, 70, 90, 90, 10, 10 });
    public final static OpenMapAppPart UL_TRI = new OpenMapAppPart("UL_TRI", "UL_TRI", new int[] {
            10, 10, 75, 10 }, new int[] { 10, 75, 10, 10 });
    public final static OpenMapAppPart LR_TRI = new OpenMapAppPart("LR_TRI", "LR_TRI", new int[] {
            25, 90, 90, 25 }, new int[] { 90, 90, 25, 90 });
    public final static OpenMapAppPart LL_UR_LINE = new OpenMapAppPart("LL_UR_LINE", "LL_UR_LINE", new int[] {
            10, 90 }, new int[] { 90, 10 });
    public final static OpenMapAppPart UL_LR_LINE = new OpenMapAppPart("UL_LR_LINE", "UL_LR_LINE", new int[] {
            10, 90 }, new int[] { 10, 90 });

    public static class OpenMapAppPart {
        int[] xpoints;
        int[] ypoints;
        String name;
        String description;
        AffineTransform af;

        public OpenMapAppPart(String n, String d, int[] xp, int[] yp) {
            this(n, d, xp, yp, null);
        }

        public OpenMapAppPart(String n, String d, int[] xp, int[] yp,
                AffineTransform affTrans) {
            name = n;
            description = d;
            xpoints = xp;
            ypoints = yp;
            af = affTrans;
        }

        public IconPartCollectionEntry getEntry() {
            return new IconPartCollectionEntry(name, description, new BasicIconPart(new Polygon(xpoints, ypoints, xpoints.length), af));
        }
    }
}