纯java处理图片拼接（背景上边添加文字和图片）

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package com.pic;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.imageio.ImageIO;


/**
 * 纯java处理图片拼接（背景上边添加文字和图片）
 * @author Administrator
 *
 */
public class JoinMutiImage {
	private static SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	public static void main(String[] args) throws IOException {
		JoinMutiImage.makePicture();
	}
	private static void drawImage(int x,int y,BufferedImage ImageNew,BufferedImage ImageOne) throws IOException{
		int width = ImageOne.getWidth();//图片宽度
		int height = ImageOne.getHeight();//图片高度
		int[] ImageArrayTop = new int[width*height];
		ImageArrayTop = ImageOne.getRGB(0,0,width,height,ImageArrayTop,0,width);
		ImageNew.setRGB(x,y,width,height,ImageArrayTop,0,width);//设置头部的RGB
	}

	public static byte[] makePicture() throws IOException{
		
//		String imagePath = ImageUtil.class.getResource("/").getPath();
//		System.out.println(imagePath);
//		int idx1 = imagePath.indexOf("WEB-INF");
//		imagePath = imagePath.substring(0, idx1).concat("images/shopping_basket/");
		
		String imagePath = "";
		
		File image_1_top = new File(imagePath.concat("food-cart---save---product_01.png"));
		File image_2_food = new File(imagePath.concat("food-cart---save---product_01-02.png"));
		
		File image_3_shadow = new File(imagePath.concat("food-cart---save---product_01-03.png"));
		File image_4_space = new File(imagePath.concat("food-cart---save---product_05.png"));
		File image_5_code = new File(imagePath.concat("food-cart---save---product_06.png"));
		
		
		BufferedImage bf_image_1_top =ImageIO.read(image_1_top);
		BufferedImage bf_image_2_food =ImageIO.read(image_2_food);
		BufferedImage bf_image_3_shadow =ImageIO.read(image_3_shadow);
		BufferedImage bf_image_4_space =ImageIO.read(image_4_space);
		BufferedImage bf_image_5_code =ImageIO.read(image_5_code);

		int width = bf_image_1_top.getWidth();

		int heightTotal = 1+1+1;//根据多个内容求和算总高度
		
		BufferedImage ImageNew = new BufferedImage(width,heightTotal,BufferedImage.TYPE_INT_RGB);
		
		int currentY = 0;
		//第一个图拼接
		drawImage(0,0,ImageNew,bf_image_1_top);
		currentY+=bf_image_1_top.getHeight();
		
		//第二个图拼接
//		for (int i = 0; i < 集合.size(); i++) {
//			drawProduct(0,currentY,ImageNew,bf_image_2_food,foods.get(i));
//			currentY+=bf_image_2_food.getHeight();
//		}
		
		
		Graphics g = ImageNew.getGraphics();
		Font f2 = new Font("",Font.BOLD,12);
	    g.setFont(f2);
		g.drawString(format.format(new Date()),width-130,heightTotal-30);
		g.dispose();
		
		//File outFile = new File(outFilePath);
	    //ImageIO.write(ImageNew, "png", outFile);//写图片
		//
		ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
		ImageIO.write(ImageNew, "JPEG", jpegOutputStream);
		byte[] captchaChallengeAsJpeg = null;
		captchaChallengeAsJpeg = jpegOutputStream.toByteArray();
		jpegOutputStream.close();
		
		//InputStream is = new ByteArrayInputStream(captchaChallengeAsJpeg);
		//return is;
		
		return captchaChallengeAsJpeg;
		//
		
	}
	
//	private static void drawTop(int x,int y,BufferedImage ImageNew,BufferedImage ImageOne) throws IOException{
//		int width = ImageOne.getWidth();//图片宽度
//		int height = ImageOne.getHeight();//图片高度
//		int[] ImageArrayTop = new int[width*height];
//		ImageArrayTop = ImageOne.getRGB(0,0,width,height,ImageArrayTop,0,width);
//		ImageNew.setRGB(x,y,width,height,ImageArrayTop,0,width);//设置头部的RGB
//	}
	
	private static void drawProduct(int x,int y,BufferedImage ImageNew,BufferedImage ImageTwo) throws IOException{
		int widthTwo = ImageTwo.getWidth();//图片高度
		int heightTwo = ImageTwo.getHeight();//图片高度
		int[] ImageArrayTwo = new int[widthTwo*heightTwo];
		ImageArrayTwo = ImageTwo.getRGB(0,0,widthTwo,heightTwo,ImageArrayTwo,0,widthTwo);
		ImageNew.setRGB(x,y,widthTwo,heightTwo,ImageArrayTwo,0,widthTwo);
		
		
		URL url = new URL("图片");
		URLConnection conn = url.openConnection();
		InputStream inStream = conn.getInputStream();

	    BufferedImage ImagePuduct = ImageIO.read(inStream);    
	    int widthPuduct = ImagePuduct.getWidth();
	    int heightPuduct = ImagePuduct.getHeight();//图片高度
	    
	    Image image=ImagePuduct.getScaledInstance(100,80,Image.SCALE_DEFAULT);//获取缩略图
	    /*再创建一个BufferedImage对象 用于创建100*100大小的图像*/
	    BufferedImage oimage; 
	    oimage = new BufferedImage(100,80,Image.SCALE_DEFAULT); 
	    /*获取图像上下文对象，然后把刚才的Image对象画到BufferedImage中去
	     	切忌， drawImage()方法有很多重载方法，一定要选用下面的这个，它会95%的复制原图的图片质量。其他重载方法你也可以试试，可能生成出来的图片很丑噢~哈哈
	     */
	    oimage.getGraphics().drawImage(image,0,0, null); 
	    
	    widthPuduct = 100;
	    heightPuduct = 80;
	    int[] ImageArrayPuduct = new int[widthPuduct*heightPuduct];
	    ImageArrayPuduct = oimage.getRGB(0,0,widthPuduct,heightPuduct,ImageArrayPuduct,0,widthPuduct);
	    ImageNew.setRGB(60,y+20,widthPuduct,heightPuduct,ImageArrayPuduct,0,widthPuduct);
		
		drawProductText(x,y,widthPuduct,heightPuduct,ImageNew);
	}
	
	private static void drawProductText(int x,int y,int widthProduct,int heightProduct,BufferedImage ImageNew){
	      Graphics g = ImageNew.getGraphics();
	      Font f = new Font("",Font.BOLD,24);
	      g.setColor(Color.decode("#333"));
	      g.setFont(f);
	      g.drawString("内容",x+60+widthProduct+20,y+40);
	      
	      
	      f = new Font("",Font.BOLD,18);
	      g.setFont(f);
	      g.setColor(Color.decode("#F4CAC9"));
	      g.drawString("内容",60+widthProduct+59,y+20+20+32);
	      

//	      
	      g.dispose();
	}
	/*
	private static void drawBottom(int x,int y,BufferedImage ImageNew,BufferedImage ImageBottom) throws IOException{
		int width = ImageBottom.getWidth();//图片高度
		int heightBottom = ImageBottom.getHeight();//图片高度
		int[] ImageArrayBottom = new int[width*heightBottom];
//		Graphics g = ImageNew.getGraphics();
//		int xx =10;
//		int yy =10;
//		Font f2 = new Font("",Font.BOLD,12);
//	    g.setFont(f2);
//		g.drawString(format.format(new Date()),xx,yy);
//		g.dispose();
		ImageArrayBottom = ImageBottom.getRGB(0,0,width,heightBottom,ImageArrayBottom,0,width);
		ImageNew.setRGB(x,y,width,heightBottom,ImageArrayBottom,0,width);
	}
	*/
}