rendermap.java

java+mapxtreme 开发校园房管系统

package com.oyc.mapxtreme.util;

import java.awt.Color;

import javax.servlet.http.HttpServletResponse;

import com.mapinfo.mapj.MapJ;
import com.mapinfo.mapxtreme.client.MapXtremeImageRenderer;
import com.mapinfo.xmlprot.mxtj.ImageRequestComposer;

/**
 * 渲染地图类
 * @author 三峡大学理学院 欧阳超
 *
 */
public class RenderMap {
	
	//地图属性对象
	private MapConfig mapCfg = MapConfig.getInstance();
	
	/**
	 * 渲染地图对象,输出地图
	 * @param myMap
	 * @param response
	 * @throws Exception
	 */
	public void renderMap(MapJ myMap, HttpServletResponse response) throws Exception {
		// 渲染并输出地图
		try {
			MapXtremeImageRenderer render=new MapXtremeImageRenderer(this.mapCfg.getMapxtremeurl());
			render.render(ImageRequestComposer.create(myMap, 256, Color.white, "image/gif"));
			
			render.toStream(response.getOutputStream());
			
		} catch (Exception e) {
			System.out.println("render error !");
			throw e;
		}
	}

}