java图片操作--生成与原图对称的图片

java图片操作--生成与原图对称的图片

package com.pay.common.util;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import javax.imageio.ImageIO;

import org.apache.commons.io.IOUtils;

public class ImageChange {

    public static void main(String[] args) throws Exception {
        // TODO Auto-generated method stub

        String path="F:\\123.jpg";
        String desc ="f:\\1234.jpg";
        FileInputStream in =new FileInputStream(new File(path));
        //读取图片
        BufferedImage bufImage = ImageIO.read(in);
        int height=bufImage.getHeight();
        int width=bufImage.getWidth();

        System.out.println(height);
        System.out.println(width);

         // 读取出图片的所有像素
        int[] rgbs = bufImage.getRGB(0, 0, width, height, null, 0, width);

        // 对图片的像素矩阵进行水平镜像
        for (int row = 0; row < height; row++) {
            for (int col = 0; col < width / 2; col++) {
                int temp = rgbs[row * width + col];
                rgbs[row * width + col] = rgbs[row * width + (width - 1 - col)];
                rgbs[row * width + (width - 1 - col)] = temp;
            }
        }
        // 把水平镜像后的像素矩阵设置回 bufImage
        bufImage.setRGB(0, 0, width, height, rgbs, 0, width);

        // 把修改过的 bufImage 保存到本地
        ImageIO.write(bufImage, "JPEG", new File(desc));

    }

}