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。 

转载自：https://blog.csdn.net/qq_16855077/article/details/90238575

  
  
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();
}
}