《ffmepg入门学习》 四 java给图片添加图片水印

package com.qihui.qxj.utils;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import javax.imageio.ImageIO;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class Main {
	public static void main(String[] args) throws IOException {
      /*  String sourceImg="D:\\test.jpg"; //源图片地址
        String targetImg="D:\\123.jpg"; //新存储的地址
        addWatermark(sourceImg, targetImg);*/
		pressImage("d:/1557906953.jpg","d:/1557814473(1).jpg");
	}
	
	 /**
     * 把图片印刷到图片上
     * 
     * @param pressImg --
     *            水印文件
     * @param targetImg --
     *            目标文件
     */
    public final static void pressImage(String pressImg, String targetImg) {
        try {
            //目标文件
            File _file = new File(targetImg);
            Image src = ImageIO.read(_file);
            int wideth = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(wideth, height,
                    BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, wideth, height, null);
 
            //水印文件
            File _filebiao = new File(pressImg);
            Image src_biao = ImageIO.read(_filebiao);
            int wideth_biao = src_biao.getWidth(null);
            int height_biao = src_biao.getHeight(null);
            g.drawImage(src_biao, 3000,
            		2020, wideth_biao, height_biao, null);
            //水印文件结束
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

	
	
	/** 设置文字水印
     * @param sourceImg 源图片路径
     * @param targetImg 保存的图片路径
	 * @throws IOException 
     */
    public static void addWatermark(String sourceImg, String targetImg) throws IOException {
            File srcImgFile = new File(sourceImg);
            Image srcImg = ImageIO.read(srcImgFile);
            int srcImgWidth = srcImg.getWidth(null);
            int srcImgHeight = srcImg.getHeight(null);
            int fontSize=75;
            Font font = new Font("黑体，Arial", 1, fontSize);
            BufferedImage bufImg = new BufferedImage(srcImgWidth, srcImgHeight, BufferedImage.TYPE_INT_RGB);
            Graphics2D g = bufImg.createGraphics();
            g.drawImage(srcImg, 0, 0, srcImgWidth, srcImgHeight, null);
            g.setColor(Color.BLACK);
            g.setFont(font);
        
            //设置水印的坐标
            g.drawString("测试", 3196, 150); 
            g.drawString("性别:男", 3196, 150+(120*1)); 
            g.drawString("毕业学校:XXX大学", 3196, 150+(120*2));  
            g.setColor(Color.white);
            font = new Font("黑体，Arial", 1, 120);
            g.setFont(font);
            g.drawString("广东省深圳(SHENZHEN)", 3000, 2020); 
            g.dispose();  
            // 输出图片  
            FileOutputStream outImgStream = new FileOutputStream(targetImg);  
            ImageIO.write(bufImg, "jpg", outImgStream);
            System.out.println("添加水印完成");  
            outImgStream.flush();  
            outImgStream.close();  
    }
}

红色选中的部分是添加的水印。 

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