2019独角兽企业重金招聘Python工程师标准>>> 
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;i100,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
} 以上为个人对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。
希望给大家带来方便~