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Java_ImageIO(图像处理)


 

以下为对java ImageIO处理图形的一些常用的方法进行的封装。全部测试通过,main方法中的均为测试代码,如果想用这个图像处理类,可以参考mian方法的例子。

另外代码中有些地方需要改进,效率也需要进一步提高。

 

package com.adam.dev.pic.easyImage;  
import java.awt.AlphaComposite;  
import java.awt.Color;  
import java.awt.Font;  
import java.awt.Graphics;  
import java.awt.Graphics2D;  
import java.awt.Point;  
import java.awt.Rectangle;  
import java.awt.color.ColorSpace;  
import java.awt.image.BufferedImage;  
import java.awt.image.ColorConvertOp;  
import java.io.BufferedReader;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.FileReader;  
import java.io.IOException;  
import java.io.InputStream;  
import java.io.OutputStream;  
import java.util.Iterator;  
import java.util.List;  
  
import javax.imageio.ImageIO;  
import javax.imageio.ImageReadParam;  
import javax.imageio.ImageReader;  
import javax.imageio.stream.ImageInputStream;  
  
import com.sun.image.codec.jpeg.JPEGCodec;  
import com.sun.image.codec.jpeg.JPEGImageEncoder;  
  
/** 
 * @author adam.胡升阳 
 * 创建日期 2012-2-29 
 */  
public class OperateImage{  
  
    public OperateImage() {  
        super();  
    }  
  
    /**  
     * 对图片裁剪,并把裁剪新图片保存  
     * @param srcPath 读取源图片路径 
     * @param toPath    写入图片路径 
     * @param x 剪切起始点x坐标 
     * @param y 剪切起始点y坐标 
     * @param width 剪切宽度 
     * @param height     剪切高度 
     * @param readImageFormat  读取图片格式 
     * @param writeImageFormat 写入图片格式 
     * @throws IOException 
     */  
    public void cropImage(String srcPath,String toPath,  
            int x,int y,int width,int height,  
            String readImageFormat,String writeImageFormat) throws IOException{     
        FileInputStream fis = null ;  
        ImageInputStream iis =null ;  
        try{     
            //读取图片文件  
            fis = new FileInputStream(srcPath);   
            Iterator it = ImageIO.getImageReadersByFormatName(readImageFormat);   
            ImageReader reader = (ImageReader) it.next();   
            //获取图片流   
            iis = ImageIO.createImageInputStream(fis);    
            reader.setInput(iis,true) ;  
            ImageReadParam param = reader.getDefaultReadParam();   
            //定义一个矩形  
            Rectangle rect = new Rectangle(x, y, width, height);   
            //提供一个 BufferedImage,将其用作解码像素数据的目标。   
            param.setSourceRegion(rect);  
            BufferedImage bi = reader.read(0,param);                  
            //保存新图片   
            ImageIO.write(bi, writeImageFormat, new File(toPath));       
        }finally{  
            if(fis!=null)  
                fis.close();         
            if(iis!=null)  
               iis.close();   
        }   
    }  
  
    /** 
     * 按倍率缩小图片 
     * @param srcImagePath 读取图片路径 
     * @param toImagePath 写入图片路径 
     * @param widthRatio    宽度缩小比例 
     * @param heightRatio    高度缩小比例 
     * @throws IOException 
     */  
    public void reduceImageByRatio(String srcImagePath,String toImagePath,int widthRatio,int heightRatio) throws IOException{  
        FileOutputStream out = null;  
        try{  
            //读入文件    
            File file = new File(srcImagePath);    
            // 构造Image对象    
            BufferedImage src = javax.imageio.ImageIO.read(file);    
            int width = src.getWidth();    
            int height = src.getHeight();    
            // 缩小边长   
            BufferedImage tag = new BufferedImage(width / widthRatio, height / heightRatio, BufferedImage.TYPE_INT_RGB);    
            // 绘制 缩小  后的图片   
            tag.getGraphics().drawImage(src, 0, 0, width / widthRatio, height / heightRatio, null);    
            out = new FileOutputStream(toImagePath);    
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);    
            encoder.encode(tag);    
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(out != null){  
                out.close();    
            }  
        }  
    }  
  
    /** 
     * 长高等比例缩小图片 
     * @param srcImagePath 读取图片路径 
     * @param toImagePath 写入图片路径 
     * @param ratio 缩小比例 
     * @throws IOException 
     */  
    public void reduceImageEqualProportion(String srcImagePath,String toImagePath,int ratio) throws IOException{  
        FileOutputStream out = null;  
        try{  
            //读入文件    
            File file = new File(srcImagePath);    
            // 构造Image对象    
            BufferedImage src = javax.imageio.ImageIO.read(file);    
            int width = src.getWidth();    
            int height = src.getHeight();    
            // 缩小边长   
            BufferedImage tag = new BufferedImage(width / ratio, height / ratio, BufferedImage.TYPE_INT_RGB);    
            // 绘制 缩小  后的图片   
            tag.getGraphics().drawImage(src, 0, 0, width / ratio, height / ratio, null);    
            out = new FileOutputStream(toImagePath);    
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);    
            encoder.encode(tag);    
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(out != null){  
                out.close();    
            }  
        }  
    }  
      
    /** 
     * 按倍率放大图片 
     * @param srcImagePath 读取图形路径 
     * @param toImagePath 写入入行路径 
     * @param widthRatio    宽度放大比例 
     * @param heightRatio 高度放大比例 
     * @throws IOException 
     */  
    public void enlargementImageByRatio(String srcImagePath,String toImagePath,int widthRatio,int heightRatio) throws IOException{  
        FileOutputStream out = null;  
        try{  
            //读入文件    
            File file = new File(srcImagePath);    
            // 构造Image对象    
            BufferedImage src = javax.imageio.ImageIO.read(file);    
            int width = src.getWidth();    
            int height = src.getHeight();    
            // 放大边长  
            BufferedImage tag = new BufferedImage(width * widthRatio, height * heightRatio, BufferedImage.TYPE_INT_RGB);    
            //绘制放大后的图片  
            tag.getGraphics().drawImage(src, 0, 0, width * widthRatio, height * heightRatio, null);    
            out = new FileOutputStream(toImagePath);    
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);    
            encoder.encode(tag);    
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(out != null){  
                out.close();    
            }  
        }  
    }  
      
      
    /** 
     * 长高等比例放大图片 
     * @param srcImagePath 读取图形路径 
     * @param toImagePath 写入入行路径 
     * @param ratio 放大比例 
     * @throws IOException 
     */  
    public void enlargementImageEqualProportion(String srcImagePath,String toImagePath,int ratio) throws IOException{  
        FileOutputStream out = null;  
        try{  
            //读入文件    
            File file = new File(srcImagePath);    
            // 构造Image对象    
            BufferedImage src = javax.imageio.ImageIO.read(file);    
            int width = src.getWidth();    
            int height = src.getHeight();    
            // 放大边长  
            BufferedImage tag = new BufferedImage(width * ratio, height * ratio, BufferedImage.TYPE_INT_RGB);    
            //绘制放大后的图片  
            tag.getGraphics().drawImage(src, 0, 0, width * ratio, height * ratio, null);    
            out = new FileOutputStream(toImagePath);    
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);    
            encoder.encode(tag);    
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(out != null){  
                out.close();    
            }  
        }  
    }  
      
    /** 
     * 重置图形的边长大小 
     * @param srcImagePath  
     * @param toImagePath 
     * @param width 
     * @param height 
     * @throws IOException 
     */  
    public void resizeImage(String srcImagePath,String toImagePath,int width,int height) throws IOException{  
        FileOutputStream out = null;  
        try{  
            //读入文件    
            File file = new File(srcImagePath);    
            // 构造Image对象    
            BufferedImage src = javax.imageio.ImageIO.read(file);    
            // 放大边长  
            BufferedImage tag = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);    
            //绘制放大后的图片  
            tag.getGraphics().drawImage(src, 0, 0, width, height, null);    
            out = new FileOutputStream(toImagePath);    
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);    
            encoder.encode(tag);    
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(out != null){  
                out.close();    
            }  
        }  
    }  
      
    /** 
     * 横向拼接图片(两张) 
     * @param firstSrcImagePath 第一张图片的路径 
     * @param secondSrcImagePath    第二张图片的路径 
     * @param imageFormat   拼接生成图片的格式 
     * @param toPath    拼接生成图片的路径 
     */  
    public void joinImagesHorizontal(String firstSrcImagePath, String secondSrcImagePath,String imageFormat, String toPath){    
        try {    
            //读取第一张图片      
            File  fileOne  =  new  File(firstSrcImagePath);      
            BufferedImage  imageOne = ImageIO.read(fileOne);      
            int  width  =  imageOne.getWidth();//图片宽度      
            int  height  =  imageOne.getHeight();//图片高度      
            //从图片中读取RGB      
            int[]  imageArrayOne  =  new  int[width*height];      
            imageArrayOne  =  imageOne.getRGB(0,0,width,height,imageArrayOne,0,width);      
             
            //对第二张图片做相同的处理      
            File  fileTwo  =  new  File(secondSrcImagePath);      
            BufferedImage  imageTwo  =  ImageIO.read(fileTwo);   
            int width2 = imageTwo.getWidth();  
            int height2 = imageTwo.getHeight();  
            int[]   ImageArrayTwo  =  new  int[width2*height2];      
            ImageArrayTwo  =  imageTwo.getRGB(0,0,width,height,ImageArrayTwo,0,width);      
            //ImageArrayTwo  =  imageTwo.getRGB(0,0,width2,height2,ImageArrayTwo,0,width2);   
             
            //生成新图片  
            //int height3 = (height>height2 || height==height2)?height:height2;  
            BufferedImage  imageNew  =  new  BufferedImage(width*2,height,BufferedImage.TYPE_INT_RGB);      
            //BufferedImage  imageNew  =  new  BufferedImage(width+width2,height3,BufferedImage.TYPE_INT_RGB);      
            imageNew.setRGB(0,0,width,height,imageArrayOne,0,width);//设置左半部分的RGB    
            imageNew.setRGB(width,0,width,height,ImageArrayTwo,0,width);//设置右半部分的RGB   
            //imageNew.setRGB(width,0,width2,height2,ImageArrayTwo,0,width2);//设置右半部分的RGB      
             
            File  outFile  =  new  File(toPath);      
            ImageIO.write(imageNew,  imageFormat,  outFile);//写图片  
        } catch (Exception e) {    
            e.printStackTrace();    
        }    
    }  
      
    /** 
     * 横向拼接一组(多张)图像 
     * @param pics  将要拼接的图像 
     * @param type 图像写入格式 
     * @param dst_pic 图像写入路径 
     * @return 
     */  
    public  boolean joinImageListHorizontal(String[] pics, String type, String dst_pic) {     
        try {    
            int len = pics.length;    
            if (len < 1) {    
                System.out.println("pics len < 1");    
                return false;    
            }    
            File[] src = new File[len];    
            BufferedImage[] images = new BufferedImage[len];    
            int[][] imageArrays = new int[len][];    
            for (int i = 0; i < len; i++) {    
                src[i] = new File(pics[i]);    
                images[i] = ImageIO.read(src[i]);    
                int width = images[i].getWidth();    
                int height = images[i].getHeight();    
                imageArrays[i] = new int[width * height];// 从图片中读取RGB      
                imageArrays[i] = images[i].getRGB(0, 0, width, height,  imageArrays[i], 0, width);    
            }    
              
            int dst_width = 0;    
            int dst_height = images[0].getHeight();    
            for (int i = 0; i < images.length; i++) {    
                dst_height = dst_height > images[i].getHeight() ? dst_height : images[i].getHeight();    
                dst_width += images[i].getWidth();  
            }    
            //System.out.println(dst_width);    
            //System.out.println(dst_height);    
            if (dst_height < 1) {    
                System.out.println("dst_height < 1");    
                return false;    
            }   
            /* 
             * 生成新图片 
             */     
            BufferedImage ImageNew = new BufferedImage(dst_width, dst_height,  BufferedImage.TYPE_INT_RGB);    
            int width_i = 0;  
            for (int i = 0; i < images.length; i++) {    
                ImageNew.setRGB(width_i, 0, images[i].getWidth(), dst_height,  imageArrays[i], 0, images[i].getWidth());    
                width_i += images[i].getWidth();  
            }    
            File outFile = new File(dst_pic);    
            ImageIO.write(ImageNew, type, outFile);// 写图片     
        } catch (Exception e) {    
            e.printStackTrace();    
            return false;    
        }    
        return true;    
    }  
      
    /** 
     * 纵向拼接图片(两张) 
     * @param firstSrcImagePath 读取的第一张图片 
     * @param secondSrcImagePath    读取的第二张图片 
     * @param imageFormat 图片写入格式 
     * @param toPath    图片写入路径 
     */  
    public void joinImagesVertical(String firstSrcImagePath, String secondSrcImagePath,String imageFormat, String toPath){    
        try {    
            //读取第一张图片      
            File  fileOne  =  new  File(firstSrcImagePath);      
            BufferedImage  imageOne = ImageIO.read(fileOne);      
            int  width  =  imageOne.getWidth();//图片宽度      
            int  height  =  imageOne.getHeight();//图片高度      
            //从图片中读取RGB      
            int[]  imageArrayOne  =  new  int[width*height];      
            imageArrayOne  =  imageOne.getRGB(0,0,width,height,imageArrayOne,0,width);      
         
            //对第二张图片做相同的处理      
            File  fileTwo  =  new  File(secondSrcImagePath);      
            BufferedImage  imageTwo  =  ImageIO.read(fileTwo);   
            int width2 = imageTwo.getWidth();  
            int height2 = imageTwo.getHeight();  
            int[]   ImageArrayTwo  =  new  int[width2*height2];      
            ImageArrayTwo  =  imageTwo.getRGB(0,0,width,height,ImageArrayTwo,0,width);      
            //ImageArrayTwo  =  imageTwo.getRGB(0,0,width2,height2,ImageArrayTwo,0,width2);   
         
            //生成新图片  
            //int width3 = (width>width2 || width==width2)?width:width2;  
            BufferedImage  imageNew  =  new  BufferedImage(width,height*2,BufferedImage.TYPE_INT_RGB);      
            //BufferedImage  imageNew  =  new  BufferedImage(width3,height+height2,BufferedImage.TYPE_INT_RGB);      
            imageNew.setRGB(0,0,width,height,imageArrayOne,0,width);//设置上半部分的RGB      
            imageNew.setRGB(0,height,width,height,ImageArrayTwo,0,width);//设置下半部分的RGB  
            //imageNew.setRGB(0,height,width2,height2,ImageArrayTwo,0,width2);//设置下半部分的RGB      
         
            File  outFile  =  new  File(toPath);      
            ImageIO.write(imageNew,  imageFormat,  outFile);//写图片  
        } catch (Exception e) {    
            e.printStackTrace();    
        }    
    }  
      
    /** 
     * 纵向拼接一组(多张)图像 
     * @param pics      将要拼接的图像数组 
     * @param type  写入图像类型 
     * @param dst_pic   写入图像路径 
     * @return 
     */  
    public  boolean joinImageListVertical(String[] pics, String type, String dst_pic) {     
        try {    
            int len = pics.length;    
            if (len < 1) {    
                System.out.println("pics len < 1");    
                return false;    
            }    
             File[] src = new File[len];    
             BufferedImage[] images = new BufferedImage[len];    
             int[][] imageArrays = new int[len][];    
             for (int i = 0; i < len; i++) {    
                //System.out.println(i);  
                src[i] = new File(pics[i]);    
                images[i] = ImageIO.read(src[i]);    
                int width = images[i].getWidth();    
                int height = images[i].getHeight();    
                imageArrays[i] = new int[width * height];// 从图片中读取RGB     
                imageArrays[i] = images[i].getRGB(0, 0, width, height,  imageArrays[i], 0, width);    
            }    
               
            int dst_height = 0;    
            int dst_width = images[0].getWidth();    
            for (int i = 0; i < images.length; i++) {    
                dst_width = dst_width > images[i].getWidth() ? dst_width : images[i].getWidth();    
                dst_height += images[i].getHeight();    
            }    
            //System.out.println(dst_width);    
            //System.out.println(dst_height);    
            if (dst_height < 1) {    
                System.out.println("dst_height < 1");    
                return false;    
            }    
            /* 
             * 生成新图片 
             */     
            BufferedImage ImageNew = new BufferedImage(dst_width, dst_height,  BufferedImage.TYPE_INT_RGB);    
            int height_i = 0;    
            for (int i = 0; i < images.length; i++) {    
                ImageNew.setRGB(0, height_i, dst_width, images[i].getHeight(),  imageArrays[i], 0, dst_width);    
                height_i += images[i].getHeight();    
            }    
            File outFile = new File(dst_pic);    
            ImageIO.write(ImageNew, type, outFile);// 写图片     
        } catch (Exception e) {    
            e.printStackTrace();    
            return false;    
        }    
        return true;    
    }    
      
    /** 
     * 合并图片(按指定初始x、y坐标将附加图片贴到底图之上) 
     * @param negativeImagePath 背景图片路径 
     * @param additionImagePath 附加图片路径 
     * @param x 附加图片的起始点x坐标 
     * @param y  附加图片的起始点y坐标 
     * @param toPath 图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImage(String negativeImagePath,String additionImagePath,int x,int y,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,x,y,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /**  
     * 将一组图片一次性附加合并到底图上 
     * @param negativeImagePath     源图像(底图)路径 
     * @param additionImageList 附加图像信息列表 
     * @param imageFormat   图像写入格式 
     * @param toPath    图像写入路径 
     * @throws IOException 
     */  
    public void mergeImageList(String negativeImagePath,List additionImageList,String imageFormat, String toPath) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            BufferedImage image=ImageIO.read(is);  
            //Graphics g=image.getGraphics();  
            Graphics2D g = image.createGraphics();;  
            BufferedImage image2 = null;  
            if(additionImageList != null){  
                for(int i=0;i<additionImageList.size();i++){  
                    //解析附加图片信息:x坐标、 y坐标、 additionImagePath附加图片路径  
                    //图片信息存储在一个数组中  
                    String[] additionImageInfo = (String[]) additionImageList.get(i);  
                    int x = Integer.parseInt(additionImageInfo[0]);  
                    int y = Integer.parseInt(additionImageInfo[1]);  
                    String additionImagePath = additionImageInfo[2];  
                    //读取文件输入流,并合并图片  
                    is2 = new FileInputStream(additionImagePath);  
                    //System.out.println(x+"  :  "+y+"  :  "+additionImagePath);  
                    image2 = ImageIO.read(is2);  
                    g.drawImage(image2,x,y,null);  
                }  
            }  
            os = new FileOutputStream(toPath);  
            ImageIO.write(image,  imageFormat,  os);//写图片  
            //JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            //enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的左上角 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageTopleftcorner(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,0,0,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的右上角 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageToprightcorner(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()-image2.getWidth(),0,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的左下角 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageLeftbottom(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,0,image.getHeight()-image2.getHeight(),null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的左下角 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageRightbottom(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()-image2.getWidth(),image.getHeight()-image2.getHeight(),null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的正中央 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageCenter(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()/2-image2.getWidth()/2,image.getHeight()/2-image2.getHeight()/2,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的上边中央 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageTopcenter(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()/2-image2.getWidth()/2,0,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的下边中央 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageBottomcenter(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()/2-image2.getWidth()/2,image.getHeight()-image2.getHeight(),null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的左边中央 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageLeftcenter(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,0,image.getHeight()/2-image2.getHeight()/2,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 将附加图片合并到底图的右边中央 
     * @param negativeImagePath 底图路径 
     * @param additionImagePath 附加图片路径 
     * @param toPath    合成图片写入路径 
     * @throws IOException 
     */  
    public void mergeBothImageRightcenter(String negativeImagePath,String additionImagePath,String toPath ) throws IOException{  
        InputStream is= null;  
        InputStream is2= null;  
        OutputStream os = null;  
        try{  
            is=new FileInputStream(negativeImagePath);  
            is2=new FileInputStream(additionImagePath);  
            BufferedImage image=ImageIO.read(is);  
            BufferedImage image2=ImageIO.read(is2);  
            Graphics g=image.getGraphics();  
            g.drawImage(image2,image.getWidth()-image2.getWidth(),image.getHeight()/2-image2.getHeight()/2,null);  
            os = new FileOutputStream(toPath);  
            JPEGImageEncoder enc=JPEGCodec.createJPEGEncoder(os);  
            enc.encode(image);  
        }catch(Exception e){  
            e.printStackTrace();  
        }finally{  
            if(os != null){  
                os.close();  
            }  
            if(is2 != null){  
                is2.close();  
            }  
            if(is != null){  
                is.close();  
            }  
        }  
    }  
      
    /** 
     * 图片灰化操作 
     * @param srcImage 读取图片路径 
     * @param toPath    写入灰化后的图片路径 
     * @param imageFormat 图片写入格式 
     */   
    public void grayImage(String srcImage,String toPath,String imageFormat){  
        try{  
            BufferedImage src = ImageIO.read(new File(srcImage));  
            ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_GRAY);  
            ColorConvertOp op = new ColorConvertOp(cs, null);  
            src = op.filter(src, null);  
            ImageIO.write(src, imageFormat, new File(toPath));  
        }catch(Exception e){  
            e.printStackTrace();  
        }  
    }  
      
    /** 
     * 在源图片上设置水印文字 
     * @param srcImagePath  源图片路径 
     * @param alpha 透明度(0<alpha<1) 
     * @param font  字体(例如:宋体) 
     * @param fontStyle     字体格式(例如:普通样式--Font.PLAIN、粗体--Font.BOLD ) 
     * @param fontSize  字体大小 
     * @param color 字体颜色(例如:黑色--Color.BLACK) 
     * @param inputWords        输入显示在图片上的文字 
     * @param x     文字显示起始的x坐标 
     * @param y     文字显示起始的y坐标 
     * @param imageFormat   写入图片格式(png/jpg等) 
     * @param toPath    写入图片路径 
     * @throws IOException  
     */  
    public void alphaWords2Image(String srcImagePath,float alpha,  
            String font,int fontStyle,int fontSize,Color color,  
            String inputWords,int x,int y,String imageFormat,String toPath) throws IOException{  
        FileOutputStream fos=null;  
        try {  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //创建java2D对象  
            Graphics2D g2d=image.createGraphics();  
            //用源图像填充背景  
            g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null, null);  
            //设置透明度  
            AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);  
            g2d.setComposite(ac);  
            //设置文字字体名称、样式、大小  
            g2d.setFont(new Font(font, fontStyle, fontSize));  
            g2d.setColor(color);//设置字体颜色  
            g2d.drawString(inputWords, x, y); //输入水印文字及其起始x、y坐标  
            g2d.dispose();  
            fos=new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);  
        } catch (Exception e) {  
           e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 在源图像上设置图片水印   
     *  ---- 当alpha==1时文字不透明(和在图片上直接输入文字效果一样) 
     * @param srcImagePath  源图片路径 
     * @param appendImagePath   水印图片路径 
     * @param alpha 透明度 
     * @param x     水印图片的起始x坐标 
     * @param y     水印图片的起始y坐标 
     * @param width 水印图片的宽度 
     * @param height        水印图片的高度 
     * @param imageFormat   图像写入图片格式 
     * @param toPath    图像写入路径 
     * @throws IOException  
     */  
    public void alphaImage2Image(String srcImagePath,String appendImagePath,  
            float alpha,int x,int y,int width,int height,  
            String imageFormat,String toPath) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //创建java2D对象  
            Graphics2D g2d=image.createGraphics();  
            //用源图像填充背景  
            g2d.drawImage(image, 0, 0, image.getWidth(), image.getHeight(), null, null);  
            //设置透明度  
            AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);  
            g2d.setComposite(ac);  
            //设置水印图片的起始x/y坐标、宽度、高度  
            BufferedImage appendImage = ImageIO.read(new File(appendImagePath));  
            g2d.drawImage(appendImage, x, y, width, height, null, null);  
            g2d.dispose();  
            fos=new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);  
        } catch (Exception e) {  
           e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 画单点 ---- 实际上是画一个填充颜色的圆 
     * ---- 以指定点坐标为中心画一个小半径的圆形,并填充其颜色来充当点 
     * @param srcImagePath   源图片颜色 
     * @param x     点的x坐标 
     * @param y     点的y坐标 
     * @param width 填充的宽度 
     * @param height    填充的高度 
     * @param ovalColor 填充颜色 
     * @param imageFormat   写入图片格式 
     * @param toPath    写入路径 
     * @throws IOException 
     */  
    public void drawPoint(String srcImagePath,int x,int y,int width,int height,Color ovalColor,String imageFormat,String toPath) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取源图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制连接线  
            Graphics2D g2d = image.createGraphics();  
            g2d.setColor(ovalColor);  
            //填充一个椭圆形  
            g2d.fillOval(x, y, width, height);  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
        } catch (IOException e) {  
            e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 画一组(多个)点---- 实际上是画一组(多个)填充颜色的圆 
     * ---- 以指定点坐标为中心画一个小半径的圆形,并填充其颜色来充当点 
     * @param srcImagePath  原图片路径 
     * @param pointList 点列表 
     * @param width 宽度 
     * @param height        高度 
     * @param ovalColor 填充颜色 
     * @param imageFormat   写入图片颜色 
     * @param toPath    写入路径 
     * @throws IOException 
     */  
    public void drawPoints(String srcImagePath,List pointList,int width,int height,Color ovalColor,String imageFormat,String toPath) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取源图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制连接线  
            Graphics2D g2d = image.createGraphics();  
            g2d.setColor(ovalColor);  
            //填充一个椭圆形  
            if(pointList != null){  
                for(int i=0;i<pointList.size();i++){  
                    Point point = (Point)pointList.get(i);  
                    int x = (int) point.getX();  
                    int y = (int) point.getY();  
                    g2d.fillOval(x, y, width, height);  
                }  
            }  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
        } catch (IOException e) {  
            e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 画线段 
     * @param srcImagePath  源图片路径 
     * @param x1    第一个点x坐标 
     * @param y1    第一个点y坐标 
     * @param x2    第二个点x坐标 
     * @param y2    第二个点y坐标 
     * @param lineColor 线条颜色 
     * @param toPath    图像写入路径 
     * @param imageFormat   图像写入格式 
     * @throws IOException   
     */  
    public void drawLine(String srcImagePath,int x1,int y1,int x2,int y2, Color lineColor,String toPath,String imageFormat) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取源图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制连接线  
            Graphics2D g2d = image.createGraphics();  
            g2d.setColor(lineColor);  
            g2d.drawLine( x1, y1, x2, y2);  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
        } catch (IOException e) {  
            e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 画折线 / 线段 
     * ---- 2个点即画线段,多个点画折线 
     * @param srcImagePath  源图片路径 
     * @param xPoints   x坐标数组 
     * @param yPoints   y坐标数组 
     * @param nPoints   点的数量 
     * @param lineColor 线条颜色 
     * @param toPath    图像写入路径 
     * @param imageFormat   图片写入格式 
     * @throws IOException   
     */  
    public void drawPolyline(String srcImagePath,int[] xPoints, int[] yPoints, int nPoints,Color lineColor,String toPath,String imageFormat) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取源图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制连接线  
            Graphics2D g2d = image.createGraphics();  
            //设置线条颜色  
            g2d.setColor(lineColor);  
            g2d.drawPolyline(xPoints, yPoints, nPoints);  
            //图像写出路径  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
        } catch (IOException e) {  
            e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
    /** 
     * 绘制折线,并突出显示转折点 
     * @param srcImagePath  源图片路径 
     * @param xPoints   x坐标数组 
     * @param yPoints   y坐标数组 
     * @param nPoints   点的数量 
     * @param lineColor 连线颜色 
     * @param width 点的宽度 
     * @param height        点的高度 
     * @param ovalColor 点的填充颜色 
     * @param toPath    图像写入路径 
     * @param imageFormat   图像写入格式 
     * @throws IOException 
     */  
    public void drawPolylineShowPoints(String srcImagePath,int[] xPoints, int[] yPoints, int nPoints,Color lineColor,int width,int height,Color ovalColor,String toPath,String imageFormat) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取源图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制连接线  
            Graphics2D g2d = image.createGraphics();  
            //设置线条颜色  
            g2d.setColor(lineColor);  
            //画线条  
            g2d.drawPolyline(xPoints, yPoints, nPoints);  
            //设置圆点颜色  
            g2d.setColor(ovalColor);  
            //画圆点  
            if(xPoints != null){  
                for(int i=0;i<xPoints.length;i++){  
                    int x = xPoints[i];  
                    int y = yPoints[i];  
                    g2d.fillOval(x, y, width, height);  
                }  
            }  
            //图像写出路径  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
        } catch (IOException e) {  
            e.printStackTrace();  
        }finally{  
            if(fos!=null){  
                fos.close();  
            }  
        }  
    }  
      
      
    /**  
     * 绘制一个由 x 和 y 坐标数组定义的闭合多边形 
     * @param srcImagePath 源图片路径 
     * @param xPoints   x坐标数组 
     * @param yPoints   y坐标数组 
     * @param nPoints   坐标点的个数 
     * @param polygonColor  线条颜色 
     * @param imageFormat   图像写入格式 
     * @param toPath    图像写入路径 
     * @throws IOException  
     */  
    public void drawPolygon(String srcImagePath,int[] xPoints,int[] yPoints,int nPoints,Color polygonColor,String imageFormat,String toPath) throws IOException {  
        FileOutputStream fos = null;  
        try {  
            //获取图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制闭合多边形  
            Graphics2D g2d = image.createGraphics();  
            g2d.setColor(polygonColor);  
            g2d.drawPolygon(xPoints, yPoints, nPoints);  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
            g2d.dispose();  
        } catch (Exception e) {  
            e.printStackTrace();  
        }finally{  
                    if(fos!=null){  
                        fos.close();  
                    }   
            }  
    }  
      
    /** 
     * 绘制并填充多边形 
     * @param srcImagePath  源图像路径 
     * @param xPoints   x坐标数组 
     * @param yPoints   y坐标数组 
     * @param nPoints   坐标点个数 
     * @param polygonColor  多边形填充颜色 
     * @param alpha 多边形部分透明度 
     * @param imageFormat   写入图形格式 
     * @param toPath    写入图形路径 
     * @throws IOException 
     */  
    public void drawAndAlphaPolygon(String srcImagePath,int[] xPoints,int[] yPoints,int nPoints,Color polygonColor,float alpha,String imageFormat,String toPath) throws IOException{  
        FileOutputStream fos = null;  
        try {  
            //获取图片  
            BufferedImage image = ImageIO.read(new File(srcImagePath));  
            //根据xy点坐标绘制闭合多边形  
            Graphics2D g2d = image.createGraphics();  
            g2d.setColor(polygonColor);  
            //设置透明度  
            AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);  
            g2d.setComposite(ac);  
            g2d.fillPolygon(xPoints, yPoints, nPoints);  
            fos = new FileOutputStream(toPath);  
            ImageIO.write(image, imageFormat, fos);   
            g2d.dispose();  
        } catch (Exception e) {  
            e.printStackTrace();  
        }finally{  
                    if(fos!=null){  
                        fos.close();  
                    }   
            }  
    }  
      
      
    public static void main(String[] args)throws Exception{  
        OperateImage imageObj = new OperateImage();  
          
        /*String srcPath = "D:/test/fileSource/004.jpg"; 
        String toPath = "D:/test/desk/+e004.jpg"; 
        int x = 200; 
        int y = 300; 
        int width = 300; 
        int height = 200 ; 
        String readImageFormat = "jpg"; 
        String writeImageFormat = "jpg"*/;  
        //imageObj.cropImage(srcPath, toPath, x, y, width, height,readImageFormat,writeImageFormat);//剪切图片  
        //imageObj.resizeImage(srcPath, toPath, 400, 400);//按指定的长宽重置图形大小  
       //imageObj.reduceImageByRatio(srcPath, toPath, 3, 3);//按指定长和宽的比例缩小图形  
       //imageObj.enlargementImageByRatio(srcPath, toPath, 2, 2);//按指定长和宽的比例放大图形  
       //imageObj.reduceImageEqualProportion(srcPath, toPath, 4);//长高等比例缩小  
        //imageObj.enlargementImageEqualProportion(srcPath, toPath, 2);//长高等比例放大  
       /* String negativeImagePath = "D:/test/fileSource/004.jpg"; 
        String additionImagePath = "D:/test/fileSource/005.jpg"; 
        int x = 200; 
        int y = 200; 
        String toPath = "D:/test/desk/004+005-rightcenter.jpg";*/  
        //imageObj.mergeBothImage(negativeImagePath, additionImagePath, x, y, toPath); //按指定坐标合并图片  
        //imageObj.mergeBothImageTopleftcorner(negativeImagePath, additionImagePath, toPath);//合并到左上角  
        //imageObj.mergeBothImageToprightcorner(negativeImagePath, additionImagePath, toPath);//合并到右上角  
        //imageObj.mergeBothImageLeftbottom(negativeImagePath, additionImagePath, toPath);//合并到左下角  
        //imageObj.mergeBothImageRightbottom(negativeImagePath, additionImagePath, toPath);//合并到右下角  
        //imageObj.mergeBothImageCenter(negativeImagePath, additionImagePath, toPath);//合并到正中央  
        //imageObj.mergeBothImageTopcenter(negativeImagePath, additionImagePath, toPath);//合并到上边中央  
        //imageObj.mergeBothImageBottomcenter(negativeImagePath, additionImagePath, toPath);//合并到下边中央  
        //imageObj.mergeBothImageLeftcenter(negativeImagePath, additionImagePath, toPath);//合并到左边中央  
        //imageObj.mergeBothImageRightcenter(negativeImagePath, additionImagePath, toPath);//合并到右边中央  
          
        /* 
        String srcImage = "D:/test/fileSource/001.jpg"; 
        String toPath = "D:/test/desk/001-gray.jpg"; 
        String imageFormat = "jpg"; 
        imageObj.grayImage(srcImage, toPath, imageFormat);//图片灰化 
         */      
          
        /* 
        String firstSrcImagePath = "D:/test/desk/003.jpg"; 
        String secondSrcImagePath = "D:/test/desk/004.jpg"; 
        String imageFormat = "jpg"; 
        String toPath = "D:/test/desk/003-004-join.jpg"; 
        imageObj.joinImagesHorizontal(firstSrcImagePath, secondSrcImagePath, imageFormat, toPath);//横向拼接图片 
        */  
          
        /* 
        String firstSrcImagePath = "D:/test/desk/001-002-join.jpg"; 
        String secondSrcImagePath = "D:/test/desk/003-004-join.jpg"; 
        String imageFormat = "jpg"; 
        String toPath = "D:/test/desk/all-join.jpg"; 
        imageObj.joinImagesVertical(firstSrcImagePath, secondSrcImagePath, imageFormat, toPath);//纵向拼接图片 
        */  
          
        /*String srcImagePath = "D:/test/fileSource/002.jpg"; 
        int[] xPoints = {20,100,160,270,500};  
        int[] yPoints = {30,150,172,295,615}; 
        int nPoints = 5;  
        String toPath = "D:/test/desk/polygon-002.png"; 
        imageObj.drawPolygon(srcImagePath, xPoints, yPoints, nPoints, Color.MAGENTA, "jpg", toPath); //根据坐标数组绘制多边形 
        */  
  
        /*String srcImagePath = "D:/test/fileSource/004.jpg"; 
        String appendImagePath = "D:/test/fileSource/005.jpg"; 
        float alpha = 0.2F; 
        String  font = "宋体"; 
        int fontStyle = Font.PLAIN; 
        int fontSize = 32; 
        Color color = Color.RED; 
        String inputWords = "图片上设置水印文字 ---- 宋体 普通字体 32号字 红色 透明度0.5"; 
        int x = 20; 
        int y = 40; 
        String imageFormat = "jpg"; 
        String toPath = "D:/test/desk/alphaI2I-001.png";*/  
        //imageObj.alphaWords2Image(srcImagePath, alpha, font, fontStyle, fontSize, color, inputWords, x, y, imageFormat, toPath); //设置文字水印  
        //imageObj.alphaImage2Image(srcImagePath, appendImagePath, alpha, x, y, 300, 200, imageFormat, toPath);//设置图片水印  
          
        /* 
        String srcImagePath = "D:/test/fileSource/003.jpg"; 
        int[] xPoints = {100,150,200,240,300}; 
        int[] yPoints = {200,60,280,160,100}; 
        int nPoints = 5; 
        Color lineColor = Color.RED; 
        String toPath = "D:/test/desk/polyline-003.jpg"; 
        String imageFormat = "jpg"; 
        imageObj.drawPolyline(srcImagePath, xPoints, yPoints, nPoints, lineColor,toPath, imageFormat);//画折线 
         */       
          
        /* 
        int x1 = 50; 
        int y1 = 100; 
        int x2 = 600; 
        int y2 = 150; 
        Color lineColor = Color.BLUE; 
        imageObj.drawLine(srcImagePath, x1, y1, x2, y2, lineColor,toPath, imageFormat);//画线段 
         */       
          
        /* 
        String srcImagePath = "D:/test/fileSource/002.jpg"; 
        int x = 400; 
        int y = 500; 
        int width = 10; 
        int height = 10; 
        Color ovalColor = Color.RED; 
        String imageFormat = "jpg"; 
        String toPath = "D:/test/desk/point-002.jpg"; 
        imageObj.drawPoint(srcImagePath, x, y, width, height, ovalColor, imageFormat, toPath);//画一个圆点 
        */  
          
        /*List pointList = new ArrayList(); 
        Point p1 = new Point(60,80); 
        pointList.add(p1); 
        Point p2 = new Point(160,80); 
        pointList.add(p2); 
        Point p3 = new Point(60,180); 
        pointList.add(p3); 
        Point p4 = new Point(260,180); 
        pointList.add(p4); 
        Point p5 = new Point(460,380); 
        pointList.add(p5); 
        String srcImagePath = "D:/test/fileSource/004.jpg"; 
        int width = 10; 
        int height = 10; 
        Color ovalColor = Color.RED; 
        String imageFormat = "jpg"; 
        String toPath = "D:/test/desk/points-004.jpg"; 
        imageObj.drawPoints(srcImagePath, pointList, width, height, ovalColor, imageFormat, toPath);//画出一组(多个)点 
         */     
          
        /* 
        int[] xPoints = {50,100,180,400,600}; 
        int[] yPoints = {200,100,160,300,640}; 
        int nPoints = 5; 
        Color lineColor = Color.PINK; 
        String srcImagePath = "D:/test/fileSource/003.jpg"; 
        String toPath = "D:/test/desk/showpoints-003.jpg"; 
        imageObj.drawPolylineShowPoints(srcImagePath, xPoints, yPoints, nPoints, lineColor, width, height, ovalColor, toPath, imageFormat);//画折线并突出显示点 
         */     
          
        /* 
        String srcImagePath ="D:/test/fileSource/004.jpg";  
        int[] xPoints ={50,90,180,320,640}; 
        int[] yPoints ={200,300,120,240,360}; 
        int nPoints = 5; 
        Color polygonColor = Color.PINK; 
        float alpha = (float) 0.2; 
        String imageFormat ="jpg"; 
        String toPath ="D:/test/desk/drawalpha-004.jpg"; 
        imageObj.drawAndAlphaPolygon(srcImagePath, xPoints, yPoints, nPoints, polygonColor, alpha, imageFormat, toPath); 
        */  
        /* 
        String negativeImagePath = "D:/test/fileSource/001.jpg"; 
        String additionImagePath = "D:/test/fileSource/006.png"; 
        String  toPath = "D:/test/fileSource/001.jpg"; 
        long start = System.currentTimeMillis(); 
        for(int i=0;i<1000;i++){ 
            Random rand = new Random(); 
            int x = rand.nextInt(1024); 
            int y =  rand.nextInt(768); 
            imageObj.mergeBothImage(negativeImagePath, additionImagePath, x, y, toPath);//每次附加合并一张图片(循环若干次) 
        } 
        long end = System.currentTimeMillis(); 
        System.out.println(end-start);*/  
        //100 -- 45844  
        //1000 -- 411156  
        /*改进思路:将mergeBothImage方法 修改为mergeImageList方法, 
        通过将图片的坐标点装入list容器,然后再取出一来在方法中一次性与图片合并, 
        不再每次都打开底图、保存合成图片,关闭流*/  
  
        //叠加组合图像  
        /*String negativeImagePath = "D:/test/fileSource/001.jpg"; 
        String  toPath = "D:/test/fileSource/001.jpg"; 
        String additionImagePath = "D:/test/fileSource/007.png"; 
        List additionImageList = new ArrayList(); 
        int count = 0; 
        for(int i=0;i<100;i++){//为什么总是连续生成一样的随机数??? 
            Random rand = new Random(); 
            int x = rand.nextInt(1020); 
            String xStr = x+""; 
            int y =  rand.nextInt(760); 
            String yStr = y +""; 
            String[] str = {xStr,yStr,additionImagePath}; 
            additionImageList.add(str); 
            count++; 
            //System.out.println(xStr+"   :     "+yStr); 
        } 
        System.out.println(count); 
        long start = System.currentTimeMillis(); 
        imageObj.mergeImageList(negativeImagePath, additionImageList,"jpg", toPath); 
        long end = System.currentTimeMillis(); 
        System.out.println(end-start);*/  
        //                                第一次        第二次      第三次  
        //100张耗时(毫秒)        --2003          1792            1869           1747         1871            1793  
        //1000张耗时(毫秒)   --15334         15200       15236         15903         16028       15545  
        //10000张耗时(毫秒)  --153010        153340      152673       154978         156506      154854                                 
        //如果list.size()<=100,则调用此方法,  
        //如果list.size()>100,则调用Jmagick的方法。  
          
        /*List iamgePathList = new ArrayList();     // D:/test/16a/ 
        iamgePathList.add("D:/test/16a/12384_2492.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2493.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2494.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2495.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2496.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2497.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2498.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2499.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2500.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2501.jpg"); 
        iamgePathList.add("D:/test/16a/12384_2502.jpg");*/  
        //String imageFormat = "jpg";  
        //String toPath = "D:/test/desk/16a_v1.jpg";  
        //imageObj.joinImageListHorizontal(iamgePathList, imageFormat, toPath);  
          
        /*String imageFormat = "jpg"; 
        String[] pics1 = {"D:/test/16a/12384_2502.jpg","D:/test/16a/12384_2501.jpg", 
                "D:/test/16a/12384_2500.jpg","D:/test/16a/12384_2499.jpg","D:/test/16a/12384_2498.jpg", 
                "D:/test/16a/12384_2497.jpg","D:/test/16a/12384_2496.jpg","D:/test/16a/12384_2495.jpg", 
                "D:/test/16a/12384_2494.jpg","D:/test/16a/12384_2493.jpg","D:/test/16a/12384_2492.jpg"}; 
         
        String[] pics2 = {"D:/test/16a/12385_2502.jpg","D:/test/16a/12385_2501.jpg", 
                "D:/test/16a/12385_2500.jpg","D:/test/16a/12385_2499.jpg","D:/test/16a/12385_2498.jpg", 
                "D:/test/16a/12385_2497.jpg","D:/test/16a/12385_2496.jpg","D:/test/16a/12385_2495.jpg", 
                "D:/test/16a/12385_2494.jpg","D:/test/16a/12385_2493.jpg","D:/test/16a/12385_2492.jpg"}; 
         
        String[] pics3 = {"D:/test/16a/12386_2502.jpg","D:/test/16a/12386_2501.jpg", 
                "D:/test/16a/12386_2500.jpg","D:/test/16a/12386_2499.jpg","D:/test/16a/12386_2498.jpg", 
                "D:/test/16a/12386_2497.jpg","D:/test/16a/12386_2496.jpg","D:/test/16a/12386_2495.jpg", 
                "D:/test/16a/12386_2494.jpg","D:/test/16a/12386_2493.jpg","D:/test/16a/12386_2492.jpg"}; 
         
        String[] pics4 = {"D:/test/16a/12387_2502.jpg","D:/test/16a/12387_2501.jpg", 
                "D:/test/16a/12387_2500.jpg","D:/test/16a/12387_2499.jpg","D:/test/16a/12387_2498.jpg", 
                "D:/test/16a/12387_2497.jpg","D:/test/16a/12387_2496.jpg","D:/test/16a/12387_2495.jpg", 
                "D:/test/16a/12387_2494.jpg","D:/test/16a/12387_2493.jpg","D:/test/16a/12387_2492.jpg"}; 
         
        String[] pics5 = {"D:/test/16a/12388_2502.jpg","D:/test/16a/12388_2501.jpg", 
                "D:/test/16a/12388_2500.jpg","D:/test/16a/12388_2499.jpg","D:/test/16a/12388_2498.jpg", 
                "D:/test/16a/12388_2497.jpg","D:/test/16a/12388_2496.jpg","D:/test/16a/12388_2495.jpg", 
                "D:/test/16a/12388_2494.jpg","D:/test/16a/12388_2493.jpg","D:/test/16a/12388_2492.jpg"}; 
         
        String[] pics6 = {"D:/test/16a/12389_2502.jpg","D:/test/16a/12389_2501.jpg", 
                "D:/test/16a/12389_2500.jpg","D:/test/16a/12389_2499.jpg","D:/test/16a/12389_2498.jpg", 
                "D:/test/16a/12389_2497.jpg","D:/test/16a/12389_2496.jpg","D:/test/16a/12389_2495.jpg", 
                "D:/test/16a/12389_2494.jpg","D:/test/16a/12389_2493.jpg","D:/test/16a/12389_2492.jpg"}; 
         
        String toPath1 = "D:/test/desk/16a_v1.jpg"; 
        String toPath2 = "D:/test/desk/16a_v2.jpg"; 
        String toPath3 = "D:/test/desk/16a_v3.jpg"; 
        String toPath4 = "D:/test/desk/16a_v4.jpg"; 
        String toPath5 = "D:/test/desk/16a_v5.jpg"; 
        String toPath6 = "D:/test/desk/16a_v6.jpg"; 
         
        String[] pics7 = {toPath1,toPath2,toPath3,toPath4,toPath5,toPath6}; 
        String toPath7 = "D:/test/desk/16a_h1.jpg"; 
         
        long start = System.currentTimeMillis(); 
        imageObj.joinImageListVertical(pics1, imageFormat, toPath1); 
        imageObj.joinImageListVertical(pics2, imageFormat, toPath2); 
        imageObj.joinImageListVertical(pics3, imageFormat, toPath3); 
        imageObj.joinImageListVertical(pics4, imageFormat, toPath4); 
        imageObj.joinImageListVertical(pics5, imageFormat, toPath5); 
        imageObj.joinImageListVertical(pics6, imageFormat, toPath6); 
         
        imageObj.joinImageListHorizontal(pics7, imageFormat, toPath7); 
        long end = System.currentTimeMillis(); 
        System.out.println(end-start);*/  
          
        String str = "北京\n上海\n广州\n深圳";  
        System.out.println(str);  
        String path = "c:/relevantdata.txt";  
        FileOutputStream fops = new FileOutputStream(path);  
        fops.write(str.getBytes());  
          
        BufferedReader inputStream = new BufferedReader(new FileReader(new File(path)));  
        String mrMsg = "";  
        while((mrMsg = inputStream.readLine())!=null){  
        System.out.println(mrMsg);  
        }  
        }  
        //数量        11          11x6  
        //纵向        375       
        //横向        391     3250  
}

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