java实现把两张图片合并(Graphics2D)

package com.yin.text;

import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

/**
 * 把两张图片合并
 * @version 2018-2-27 上午11:12:09
 *
 */
public class Picture1
{
     private Graphics2D g        = null;  
      
    /**  
     * 导入本地图片到缓冲区  
     */  
    public BufferedImage loadImageLocal(String imgName) {  
        try {  
            return ImageIO.read(new File(imgName));  
        } catch (IOException e) {  
            System.out.println(e.getMessage());  
        }  
        return null;  
    } 
    
    public BufferedImage modifyImagetogeter(BufferedImage b, BufferedImage d) {  
        
        try {  
            int w = b.getWidth();  
            int h = b.getHeight();  
  
            g = d.createGraphics();  
            g.drawImage(b, 300, -800, w, h, null);  
            g.dispose();  
        } catch (Exception e) {  
            System.out.println(e.getMessage());  
        }  
  
        return d;  
    } 
    
    /**  
     * 生成新图片到本地  
     */  
    public void writeImageLocal(String newImage, BufferedImage img) {  
        if (newImage != null && img != null) {  
            try {  
                File outputfile = new File(newImage);  
                ImageIO.write(img, "jpg", outputfile);  
            } catch (IOException e) {  
                System.out.println(e.getMessage());  
            }  
        }  
    } 
        
    public static void main(String[] args) {  
        
        Picture1 tt = new Picture1();  
  
        BufferedImage d = tt.loadImageLocal("C:/1.jpg");  
        BufferedImage b = tt.loadImageLocal("C:/11.jpg");
        
        tt.writeImageLocal("C:/new10.jpg", tt.modifyImagetogeter(b, d));    
        //将多张图片合在一起    
        System.out.println("success");  
    } 
}