Centos7+Hadoop3.3.4+KDC1.15集成认证

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ImageProcessing
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        Image img;//全局变量,存放背景图

        //1.打开文件对话框,选择背景图

        private void btnOpen_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.ShowDialog();

            try
            {
                string fileName = ofd.FileName;
                 img = Image.FromFile(fileName);
            }
            catch(Exception)
            {
                MessageBox.Show("文件加载失败！");

            }


            picOrg.BackgroundImageLayout = ImageLayout.Zoom;
            picOrg.BackgroundImage = img;



        }

        //2.图片灰度化
        private void btnGray_Click(object sender, EventArgs e)
        {

            //1.获取原始图片----全局变量

            Bitmap bmp = new Bitmap(img);//获取像素点

            //2.改变像素点颜色

            for (int i=0;i<bmp.Width;i++)
            {
                for(int j=0;j<bmp.Height;j++)
                {
                    //获取像素点颜色----原始彩色
                    Color orgColor= bmp.GetPixel(i, j);
                    //改变后灰白
                    int ave = orgColor.R + orgColor.G + orgColor.B;
                    ave /= 3;
                    Color newColor = Color.FromArgb(ave, ave, ave);

                    bmp.SetPixel(i, j, newColor);
                }
            }

            //改变后赋值回去
            picProcessed.BackgroundImage = bmp;
            picProcessed.BackgroundImageLayout = ImageLayout.Zoom;

            


        }

        //3.图片取反
        private void button1_Click(object sender, EventArgs e)
        {

            //1. 获取原始图片
            Bitmap bmp = new Bitmap(img);

            //2.设置颜色
            for (int i = 0; i < bmp.Width; i++)
            {
                for (int j = 0; j < bmp.Height; j++)
                {
                    //获取原始颜色
                    Color orgColor = bmp.GetPixel(i, j);
                    //新的颜色
                    Color changeColor = Color.FromArgb(255 - orgColor.R, 255 - orgColor.G, 255 - orgColor.B);
                    //设置像素点颜色
                    bmp.SetPixel(i, j, changeColor);
                }
            }
            picProcessed.BackgroundImage = bmp;
            picProcessed.BackgroundImageLayout = ImageLayout.Zoom;
        }

        private void button2_Click(object sender, EventArgs e)
        {

            //1.获取原始图
            Bitmap bmp = new Bitmap(img);

            for (int i = 0; i < bmp.Width; i += 7)
            {
                for (int j = 0; j < bmp.Height; j += 7)
                {
                    int r = 0, g = 0, b = 0; // 统计rgb颜色，方便求平均值

                    // 求rgb的和
                    for (int n = 0; n < 7; n++)
                    {
                        for (int m = 0; m < 7; m++)
                        {
                            if (i + n >= bmp.Width || j + m >= bmp.Height)
                            {
                                break;
                            }

                            Color orgColor = bmp.GetPixel(i + n, j + m);
                            r += orgColor.R;
                            g += orgColor.G;
                            b += orgColor.B;
                        }
                    }

                    Color changeColor = Color.FromArgb(r / (7 * 7), g / (7 * 7), b / (7 * 7)); // 改变后的颜色

                    // 给马赛克赋值
                    for (int n = 0; n < 7; n++)
                    {
                        for (int m = 0; m < 7; m++)
                        {
                            if (i + n >= bmp.Width || j + m >= bmp.Height)
                            {
                                break;
                            }

                            bmp.SetPixel(i + n, j + m, changeColor);
                        }
                    }
                }
            }

            picProcessed.BackgroundImage = bmp;
            picProcessed.BackgroundImageLayout = ImageLayout.Zoom;
        }
    }
}