java提取視頻中的圖片水印（怎麼提取視頻中的水印）

• 1、java圖片水印的一些問題，請仔細看下問題補充。
• 2、用java給視頻水印LOGO
• 3、java圖片加水印代碼 最好有實例！！！先謝了！！
• 4、如何用java去除圖片水印？
• 5、java如何給視頻添加水印logo

你直接讀取壓縮後的文件流根本不是圖片格式，而是經過壓縮處理的二進位，Image類識別不了，所以為空，而如果你讀完每個壓縮文件後寫成單獨的圖片即是完整的解壓縮的圖片文件，這個時候可以進行Image的相關操作。

用過濾器,等我上線給你,不要結問題哦

package com.jc.ts.services;

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類

* */

public class WaterMark {

/**

* @param sizeContext添加水印文字

* @param request 請求流對象

* @param request 響應流對象

* */

@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 請求流對象

* @param request 響應流對象

**/

@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 請求流對象

* @param request 響應流對象

* @param width 水印圖片的寬度

* @param height 水印圖片的長度

**/

@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為你過濾圖片的寬度

int h=src.getHeight(null);//h為你過濾圖片的長度

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

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();

}

}

}

注意第三個方法的注釋地方g.drawImage(fimg,width,height,fw,fh,null);根據參數你在調調(放原圖下面的)

過濾器調用

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);

//注意路徑為絕對路徑且三個效果不能同時執行

}

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

希望你能滿意。。。。。。

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置水印文字出現的內容

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 —

* 目標文件

* @param x

* –x坐標

* @param y

* –y坐標

*/

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

int x, int y) {

try {

//目標文件

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);

//水印文件結束

g.dispose();

FileOutputStream out = new FileOutputStream(targetImg);

JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

encoder.encode(image);

out.close();

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 列印文字水印圖片

*

* @param pressText

* –文字

* @param targetImg —

* 目標圖片

* @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);

}

}

//運行以下程序即可

public class ImageInit {

BufferedImage image;

private int iw, ih;

private int[] pixels;

public ImageInit(BufferedImage image) {

this.image = image;

iw = image.getWidth();

ih = image.getHeight();

pixels = new int[iw * ih];

}

public BufferedImage changeGrey() {

PixelGrabber pg = new PixelGrabber(image.getSource(), 0, 0, iw, ih,

pixels, 0, iw);

try {

pg.grabPixels();

} catch (InterruptedException e) {

e.printStackTrace();

}

// 設定二值化的域值，默認值為100

int grey = 100;

// 對圖像進行二值化處理，Alpha值保持不變

ColorModel cm = ColorModel.getRGBdefault();

for (int i = 0; i  iw * ih; i++) {

int red, green, blue;

int alpha = cm.getAlpha(pixels[i]);

if (cm.getRed(pixels[i])  grey) {

red = 255;

} else {

red = 0;

}

if (cm.getGreen(pixels[i])  grey) {

green = 255;

} else {

green = 0;

}

if (cm.getBlue(pixels[i])  grey) {

blue = 255;

} else {

blue = 0;

}

pixels[i] = alpha  24 | red  16 | green  8 | blue; // 通過移位重新構成某一點像素的RGB值

}

// 將數組中的象素產生一個圖像

Image tempImg = Toolkit.getDefaultToolkit().createImage(

new MemoryImageSource(iw, ih, pixels, 0, iw));

image = new BufferedImage(tempImg.getWidth(null),

tempImg.getHeight(null), BufferedImage.TYPE_INT_BGR);

image.createGraphics().drawImage(tempImg, 0, 0, null);

return image;

}

public BufferedImage getMedian() {

PixelGrabber pg = new PixelGrabber(image.getSource(), 0, 0, iw, ih,

pixels, 0, iw);

try {

pg.grabPixels();

} catch (InterruptedException e) {

e.printStackTrace();

}

// 對圖像進行中值濾波，Alpha值保持不變

ColorModel cm = ColorModel.getRGBdefault();

for (int i = 1; i  ih – 1; i++) {

for (int j = 1; j  iw – 1; j++) {

int red, green, blue;

int alpha = cm.getAlpha(pixels[i * iw + j]);

// int red2 = cm.getRed(pixels[(i – 1) * iw + j]);

int red4 = cm.getRed(pixels[i * iw + j – 1]);

int red5 = cm.getRed(pixels[i * iw + j]);

int red6 = cm.getRed(pixels[i * iw + j + 1]);

// int red8 = cm.getRed(pixels[(i + 1) * iw + j]);

// 水平方向進行中值濾波

if (red4 = red5) {

if (red5 = red6) {

red = red5;

} else {

if (red4 = red6) {

red = red6;

} else {

red = red4;

}

}

} else {

if (red4  red6) {

red = red4;

} else {

if (red5  red6) {

red = red6;

} else {

red = red5;

}

}

}

int green4 = cm.getGreen(pixels[i * iw + j – 1]);

int green5 = cm.getGreen(pixels[i * iw + j]);

int green6 = cm.getGreen(pixels[i * iw + j + 1]);

// 水平方向進行中值濾波

if (green4 = green5) {

if (green5 = green6) {

green = green5;

} else {

if (green4 = green6) {

green = green6;

} else {

green = green4;

}

}

} else {

if (green4  green6) {

green = green4;

} else {

if (green5  green6) {

green = green6;

} else {

green = green5;

}

}

}

// int blue2 = cm.getBlue(pixels[(i – 1) * iw + j]);

int blue4 = cm.getBlue(pixels[i * iw + j – 1]);

int blue5 = cm.getBlue(pixels[i * iw + j]);

int blue6 = cm.getBlue(pixels[i * iw + j + 1]);

// int blue8 = cm.getBlue(pixels[(i + 1) * iw + j]);

// 水平方向進行中值濾波

if (blue4 = blue5) {

if (blue5 = blue6) {

blue = blue5;

} else {

if (blue4 = blue6) {

blue = blue6;

} else {

blue = blue4;

}

}

} else {

if (blue4  blue6) {

blue = blue4;

} else {

if (blue5  blue6) {

blue = blue6;

} else {

blue = blue5;

}

}

}

pixels[i * iw + j] = alpha  24 | red  16 | green  8

| blue;

}

}

// 將數組中的象素產生一個圖像

Image tempImg = Toolkit.getDefaultToolkit().createImage(

new MemoryImageSource(iw, ih, pixels, 0, iw));

image = new BufferedImage(tempImg.getWidth(null),

tempImg.getHeight(null), BufferedImage.TYPE_INT_BGR);

image.createGraphics().drawImage(tempImg, 0, 0, null);

return image;

}

public BufferedImage getGrey() {

ColorConvertOp ccp = new ColorConvertOp(

ColorSpace.getInstance(ColorSpace.CS_GRAY), null);

return image = ccp.filter(image, null);

}

// Brighten using a linear formula that increases all color values

public BufferedImage getBrighten() {

RescaleOp rop = new RescaleOp(1.25f, 0, null);

return image = rop.filter(image, null);

}

// Blur by “convolving” the image with a matrix

public BufferedImage getBlur() {

float[] data = { .1111f, .1111f, .1111f, .1111f, .1111f, .1111f,

.1111f, .1111f, .1111f, };

ConvolveOp cop = new ConvolveOp(new Kernel(3, 3, data));

return image = cop.filter(image, null);

}

// Sharpen by using a different matrix

public BufferedImage getSharpen() {

float[] data = { 0.0f, -0.75f, 0.0f, -0.75f, 4.0f, -0.75f, 0.0f,

-0.75f, 0.0f };

ConvolveOp cop = new ConvolveOp(new Kernel(3, 3, data));

return image = cop.filter(image, null);

}

// 11) Rotate the image 180 degrees about its center point

public BufferedImage getRotate() {

AffineTransformOp atop = new AffineTransformOp(

AffineTransform.getRotateInstance(Math.PI,

image.getWidth() / 2, image.getHeight() / 2),

AffineTransformOp.TYPE_NEAREST_NEIGHBOR);

return image = atop.filter(image, null);

}

public BufferedImage getProcessedImg() {

return image;

}

public static void main(String[] args) throws IOException {

String filePath=”F:/k7qp5.png”;

FileInputStream fin = new FileInputStream(filePath);

BufferedImage bi = ImageIO.read(fin);

ImageInit flt = new ImageInit(bi);

flt.changeGrey();

flt.getGrey();

flt.getBrighten();

bi = flt.getProcessedImg();

String pname = filePath.substring(0, filePath.lastIndexOf(“.”));

File file = new File(pname + “.jpg”);

ImageIO.write(bi, “jpg”, file);

}

}

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);

//注意路徑為絕對路徑且三個效果不能同時執行

}

public void init(FilterConfig arg0) throws ServletException {

// TODO Auto-generated method stub

}

}