import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.Calendar;

import javax.imageio.ImageIO;

import org.junit.Test;


public class imgecreate{



@Test
  public void graphicsGeneration() { 
    try {
      int imageWidth = 3507;// 圖片的寬度 
      int imageHeight = 2480;// 圖片的高度 
      BufferedImage image = new BufferedImage(imageWidth, imageHeight, 
          BufferedImage.TYPE_INT_RGB); 
      Graphics graphics = image.getGraphics(); 
      graphics.setColor(Color.white); 
      graphics.fillRect(0, 0, imageWidth, imageHeight); 
      graphics.setColor(Color.black); 
      graphics.setFont(new Font("宋體", Font.PLAIN, 70)); 
      String address="山東省飛史蒂夫肯德基首付款艱苦奮斗就勝多負少的飛電風扇";
      //為控制字符串過長換行
      graphics.drawString(address.substring(0,13), 985,1416);
      graphics.drawString(address.substring(13), 985,1484);
      Calendar now = Calendar.getInstance(); 
      //證書有效期為3年，所以截止日減去1天
      now.set(Calendar.DATE, now.get(Calendar.DATE)-1);
      now.add(Calendar.YEAR, 3);//
      BufferedImage small = ImageIO.read(new File("D://t.jpg"));//生成的圖片中插入另一張圖片
      graphics.drawImage(small, 2524, 943, 385,385, null);
      graphics.dispose();
      createImage("D://test1.jpg", image); 
    }catch(Exception e) {
      e.printStackTrace();
    }
  } 

private static void createImage(String fileLocation, BufferedImage image) { 
  try { 
    ImageIO.write(image, "jpeg" , new File(fileLocation));
    image.flush(); 
  } catch (Exception e) { 
    e.printStackTrace(); 
  } 
} 


  public static void main(String[] args){ 


}