用java實(shí)現(xiàn)對(duì)視頻添加水印的代碼或思路

package com.jc.ts.services;

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import java.awt.Color;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.image.BufferedImage;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import javax.imageio.ImageIO;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.sun.image.codec.jpeg.ImageFormatException;

import com.sun.image.codec.jpeg.JPEGCodec;

import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**

*添加圖片水印的服務(wù)類

* */

public class WaterMark {

/**

* @param sizeContext添加水印文字

* @param request 請(qǐng)求流對(duì)象

* @param request 響應(yīng)流對(duì)象

* */

@SuppressWarnings("deprecation")

public static void createMarkSize(String sizeContext,HttpServletRequest request,HttpServletResponse response) {

try {

String path=request.getRealPath(request.getServletPath());

FileInputStream in=new FileInputStream(path);

Image src=ImageIO.read(in);

int w=src.getWidth(null);

int h=src.getHeight(null);

BufferedImage img=new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);//構(gòu)建畫板

Graphics g=img.getGraphics();//得到畫筆

g.drawImage(src,0,0,w,h,null);//把源圖片寫入畫板

g.setColor(Color.red);

g.drawString(sizeContext,10,5); // 添加文字

g.dispose();//生成圖片

JPEGImageEncoder e=JPEGCodec.createJPEGEncoder(response.getOutputStream());

e.encode(img);

response.getOutputStream().close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (ImageFormatException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

/**

* @param localPath 添加水印LOGO路徑

* @param request 請(qǐng)求流對(duì)象

* @param request 響應(yīng)流對(duì)象

**/

@SuppressWarnings("deprecation")

public static void createMarkLogo(String localPath,HttpServletRequest request,HttpServletResponse response) {

try {

FileInputStream file=new FileInputStream(localPath);

Image fimg=ImageIO.read(file);

int fw=fimg.getWidth(null);

int fh=fimg.getHeight(null);

String path=request.getRealPath(request.getServletPath());

FileInputStream in=new FileInputStream(path);

Image src=ImageIO.read(in);

int w=src.getWidth(null);

int h=src.getHeight(null);

BufferedImage img=new BufferedImage(w,h,BufferedImage.TYPE_INT_RGB);//構(gòu)建畫板

Graphics g=img.getGraphics();//得到畫筆

g.drawImage(src,0,0,w,h,null);//把原圖片寫入畫板

g.drawImage(fimg,w-20,h-15,fw,fh,null);//把水印圖片寫入畫板

g.dispose();//生成圖片

JPEGImageEncoder e=JPEGCodec.createJPEGEncoder(response.getOutputStream());

e.encode(img);

response.getOutputStream().close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (ImageFormatException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

/**

* @param localPath 添加水印圖片路徑

* @param request 請(qǐng)求流對(duì)象

* @param request 響應(yīng)流對(duì)象

* @param width 水印圖片的寬度

* @param height 水印圖片的長(zhǎng)度

**/

@SuppressWarnings("deprecation")

public static void createMarkLogo(String localPath,HttpServletRequest request,HttpServletResponse response,int width,int height) {

try {

FileInputStream file=new FileInputStream(localPath);

Image fimg=ImageIO.read(file);

int fw=fimg.getWidth(null);

int fh=fimg.getHeight(null);

String path=request.getRealPath(request.getServletPath());

FileInputStream in=new FileInputStream(path);

Image src=ImageIO.read(in);

int w=src.getWidth(null);//w為你過(guò)濾圖片的寬度

int h=src.getHeight(null);//h為你過(guò)濾圖片的長(zhǎng)度

BufferedImage img=new BufferedImage(w+width,h+height,BufferedImage.TYPE_INT_RGB);//構(gòu)建畫板(畫板的寬度為兩個(gè)圖片之和)

Graphics g=img.getGraphics();//得到畫筆

g.drawImage(src,0,0,w,h,null);//把原圖片寫入畫板

g.drawImage(fimg,width,height,fw,fh,null);//把水印圖片寫入畫板

g.dispose();//生成圖片

JPEGImageEncoder e=JPEGCodec.createJPEGEncoder(response.getOutputStream());

e.encode(img);

response.getOutputStream().close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (ImageFormatException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

注意第三個(gè)方法的注釋地方g.drawImage(fimg,width,height,fw,fh,null);根據(jù)參數(shù)你在調(diào)調(diào)(放原圖下面的)

過(guò)濾器調(diào)用

package com.jc.ts.filter;

import java.io.IOException;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.jc.ts.services.WaterMark;

public class WaterFilter implements Filter {

public void destroy() {

// TODO Auto-generated method stub

}

public void doFilter(ServletRequest arg0, ServletResponse arg1,

FilterChain arg2) throws IOException, ServletException {

HttpServletRequest request=(HttpServletRequest)arg0;

HttpServletResponse response=(HttpServletResponse)arg1;

//WaterMark.createMarkSize("南京ts", request, response);

//WaterMark.createMarkLogo("D:\\workspace\\mybook\\WebRoot\\images\\logo\\book.jpg", request, response);

WaterMark.createMarkLogo("D:\\workspace\\mybook\\WebRoot\\images\\logo\\book.jpg", request, response,20,30);

//注意路徑為絕對(duì)路徑且三個(gè)效果不能同時(shí)執(zhí)行

}

public void init(FilterConfig arg0) throws ServletException {

// TODO Auto-generated method stub

}

}

web.xml配置(寫在servlet上面)

filter

descriptionThis is the description of my J2EE component/description

display-nameThis is the display name of my J2EE component/display-name

filter-nameWaterFilter/filter-name

filter-classcom.jc.ts.filter.WaterFilter/filter-class

/filter

怎么用java代碼給word加水印

目前能夠支持Java語(yǔ)言去操作word文檔的框架很多，什么Jacob，jcom，poi，Java2word等等，但是那一種是支持給word加水印的框架呢？最好是開源的框架。

java圖片加水印代碼 最好有實(shí)例！??！先謝了??！

文字水印

import java.awt.*;

import java.awt.image.*;

import java.io.*;

import javax.swing.*;

import com.sun.image.codec.jpeg.*;

public class WaterSet {

/**

* 給圖片添加水印

*

* @param filePath

* 需要添加水印的圖片的路徑

* @param markContent

* 水印的文字

* @param markContentColor

* 水印文字的顏色

* @param qualNum

* 圖片質(zhì)量

* @return

*/

public boolean createMark(String filePath, String markContent,

Color markContentColor, float qualNum) {

ImageIcon imgIcon = new ImageIcon(filePath);

Image theImg = imgIcon.getImage();

int width = theImg.getWidth(null);

int height = theImg.getHeight(null);

BufferedImage bimage = new BufferedImage(width, height,

BufferedImage.TYPE_INT_RGB);

Graphics2D g = bimage.createGraphics();

g.setColor(markContentColor);

g.setBackground(Color.white);

g.drawImage(theImg, 0, 0, null);

g.drawString(markContent, width / 5, height / 5); // 添加水印的文字和設(shè)置水印文字出現(xiàn)的內(nèi)容

g.dispose();

try {

FileOutputStream out = new FileOutputStream(filePath);

JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bimage);

param.setQuality(qualNum, true);

encoder.encode(bimage, param);

out.close();

} catch (Exception e) {

return false;

}

return true;

}

}

圖片水印

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.FileOutputStream;

import javax.imageio.ImageIO;

import com.sun.image.codec.jpeg.JPEGCodec;

import com.sun.image.codec.jpeg.JPEGImageEncoder;

public final class ImageUtils {

public ImageUtils() {

}

/*

* public final static String getPressImgPath() { return ApplicationContext

* .getRealPath("/template/data/util/shuiyin.gif"); }

*/

/**

* 把圖片印刷到圖片上

*

* @param pressImg --

* 水印文件

* @param targetImg --

* 目標(biāo)文件

* @param x

* --x坐標(biāo)

* @param y

* --y坐標(biāo)

*/

public final static void pressImage(String pressImg, String targetImg,

int x, int y) {

try {

//目標(biāo)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, (wideth - wideth_biao) / 2,

(height - height_biao) / 2, wideth_biao, height_biao, null);

//水印文件結(jié)束

g.dispose();

FileOutputStream out = new FileOutputStream(targetImg);

JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

encoder.encode(image);

out.close();

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 打印文字水印圖片

*

* @param pressText

* --文字

* @param targetImg --

* 目標(biāo)圖片

* @param fontName --

* 字體名

* @param fontStyle --

* 字體樣式

* @param color --

* 字體顏色

* @param fontSize --

* 字體大小

* @param x --

* 偏移量

* @param y

*/

public static void pressText(String pressText, String targetImg,

String fontName, int fontStyle, int color, int fontSize, int x,

int y) {

try {

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);

// String s="";

g.setColor(Color.RED);

g.setFont(new Font(fontName, fontStyle, fontSize));

g.drawString(pressText, wideth - fontSize - x, height - fontSize

/ 2 - y);

g.dispose();

FileOutputStream out = new FileOutputStream(targetImg);

JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

encoder.encode(image);

out.close();

} catch (Exception e) {

System.out.println(e);

}

}

public static void main(String[] args) {

pressImage("F:/logo.png", "F:/123.jpg", 0, 0);

}

}

java 如何給pdf文件加水印

可以使用Spire.PDF for Java通過(guò)Java來(lái)添加水印。

首先，您需要在 Java 程序中添加 Spire.Pdf.jar 文件作為依賴項(xiàng)。您可以從這個(gè)鏈接下載 JAR 文件；如果您使用?Maven，則可以通過(guò)在 pom.xml 文件中添加以下代碼導(dǎo)入 JAR 文件。

repositories

repository

idcom.e-iceblue/id

url;/url

/repository/repositoriesdependencies

dependency

groupIde-iceblue/groupId

artifactIdspire.pdf/artifactId

version5.3.1/version

/dependency/dependencies

1.添加圖片水印

代碼如下：

import com.spire.pdf.*;

import java.awt.geom.Rectangle2D;

public class watermark {

public static void main(String[] args) {

//加載PDF文檔

PdfDocument doc = new PdfDocument();

doc.loadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pdf");

//獲取第一頁(yè)

PdfPageBase page = doc.getPages().get(0); ?

//設(shè)置背景圖片

page.setBackgroundImage("C:\\Users\\Administrator\\Desktop\\logo.png");

//設(shè)置背景區(qū)域

Rectangle2D.Float rect = new Rectangle2D.Float();

rect.setRect(280, 300, 150, 150);

page.setBackgroundRegion(rect);

//保存文檔

doc.saveToFile("output/imageWaterMark.pdf");

doc.close();

}

}

2.添加文本水印

代碼如下：

import com.spire.pdf.*;

import com.spire.pdf.graphics.*;

import java.awt.*;

import java.awt.geom.*;

public class Textwatermark {

public static void main(String[] args) {

//創(chuàng)建PdfDocument對(duì)象

PdfDocument pdf = new PdfDocument();

//加載示例文檔

pdf.loadFromFile("C:\\Users\\Administrator\\Desktop\\Sample.pdf");

//獲取第一頁(yè)

PdfPageBase page = pdf.getPages().get(0);

//調(diào)用insertWatermark方法插入文本水印

insertWatermark(page, "E-ICEBLUE");

//保存文檔

pdf.saveToFile("out/textWaterMark.pdf");

}

static void insertWatermark(PdfPageBase page, String watermark) {

Dimension2D dimension2D = new Dimension();

dimension2D.setSize(page.getCanvas().getClientSize().getWidth() / 2, page.getCanvas().getClientSize().getHeight() / 3);

PdfTilingBrush brush = new PdfTilingBrush(dimension2D);

brush.getGraphics().setTransparency(0.3F);

brush.getGraphics().save();

brush.getGraphics().translateTransform((float) brush.getSize().getWidth() / 2, (float) brush.getSize().getHeight() / 2);

brush.getGraphics().rotateTransform(-45);

brush.getGraphics().drawString(watermark, new PdfFont(PdfFontFamily.Helvetica, 24), PdfBrushes.getViolet(), 0, 0, new PdfStringFormat(PdfTextAlignment.Center));

brush.getGraphics().restore();

brush.getGraphics().setTransparency(1);

Rectangle2D loRect = new Rectangle2D.Float();

loRect.setFrame(new Point2D.Float(0, 0), page.getCanvas().getClientSize());

page.getCanvas().drawRectangle(brush, loRect);

}

}

希望對(duì)您有幫助。

文章名稱：java打水印代碼 java去水印jar
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