Java ImageIO 图片操作

Java ImageIO 图片操作

代码块

将源图片中指定颜色变成透明，例如：

/**
     * 将指定颜色变透明 只能保存 png jpg
     * 
     * @param imageSrc
     * @param mask
     * @return
     */
    public static BufferedImage createImageByMaskColorEx(
            BufferedImage imageSrc, Color mask) {
        int x, y;
        x = imageSrc.getWidth(null);
        y = imageSrc.getHeight(null);
        BufferedImage imageDes = new BufferedImage(x, y,
                BufferedImage.TYPE_4BYTE_ABGR);
        WritableRaster rasterDes = imageDes.getRaster();
        int[] des = new int[4];
        while (--x >= 0)
            for (int j = 0; j < y; ++j) {
                int rgb = imageSrc.getRGB(x, j);
                int sr, sg, sb;
                sr = (rgb & 0xFF0000) >> 16;
                sg = (rgb & 0xFF00) >> 8;
                sb = rgb & 0xFF;
                if (sr == mask.getRed() && sg == mask.getGreen()
                        && sb == mask.getBlue()) {
                    des[3] = 0;
                } else {
                    des[0] = sr;
                    des[1] = sg;
                    des[2] = sb;
                    des[3] = 255;
                }
                rasterDes.setPixel(x, j, des);
            }
        return imageDes;
    }

具体操作–来自互联网

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;

/**
 */
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//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 @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;iint 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;iint 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
}