imagedemo.java.svn-base

开发框架。 一.说明： 此框架的意图是解决手机软件开发中常遇到

package org.gggeye.easymf.demo.util;

import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;

import org.gggeye.easymf.demo.Action;
import org.gggeye.easymf.ui.EventListener;
import org.gggeye.easymf.ui.Menu;
import org.gggeye.easymf.ui.MenuItem;
import org.gggeye.easymf.ui.Panel;
import org.gggeye.easymf.ui.View;
import org.gggeye.easymf.util.Tools;

public class ImageDemo extends Panel implements EventListener {
	Image logo = Tools.readImage("/logo.png");
	public ImageDemo() {
		super("Image Demo");
		this.viewBuilder.addImageView(null, logo, null);
		this.createMenu();
		this.setEventListener(this);
	}
	
	final void createMenu(){
		Menu tMenu = new Menu(this);		
		tMenu.addMenuItem(null, "放大1倍", 1, null);
		tMenu.addMenuItem(null, "缩小一倍", 2, null);
		tMenu.addMenuItem(null, "透明", 3, null);
		tMenu.addMenuItem(null, "对话框", 4, null);
		tMenu.setEventListener(this);
		tMenu.setRightMenu("返回", Action.GO_BACK);
		this.setMenu(tMenu);
	}

	public void viewDoClick(int _keyCode, View element) {
		 
		
	}

	public void menuDoClick(MenuItem _item, Displayable _displayable) {
		 int flag = _item.flag;
		 switch(flag){
		 case 1:{
			 logo = Tools.scale(logo, logo.getWidth()*2, logo.getHeight()*2);
			 this.viewBuilder.addImageView(null, logo, null);
			 break;
		 }
		 case 2: {
			 logo = Tools.scale(logo, logo.getWidth()/2, logo.getHeight()/2);
			 this.viewBuilder.addImageView(null, logo, null);
			 break;
		 }
		 case 3:{
			 logo = Tools.alphaImage(logo, 100);
			 this.viewBuilder.addImageView(null, logo, null);
			 break;
		 }
		 case 4:{
			 break;
		 }
		 }
		
	}

}