C# 水平交错效果显示图像 实例

 效果显示： 
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Linq;using System.Windows.Forms;using System.Drawing.Imaging;namespace LevelInterleaving{ public partial class Frm_Main : Form { Bitmap myBitmap; public Frm_Main() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { openFileDialog1.Filter = "*.jpg,*.jpeg,*.bmp|*.jpg;*.jpeg;*.bmp"; //设置文件的类型 openFileDialog1.ShowDialog(); //打开文件对话框 Image myImage = System.Drawing.Image.FromFile(openFileDialog1.FileName);//根据文件的路径实例化Image类 myBitmap = new Bitmap(myImage);//实例化Bitmap类 this.BackgroundImage = myBitmap; //显示打开的图片 } private void button2_Click(object sender, EventArgs e) { try { int intWidth = this.BackgroundImage.Width;//获取背景图片的宽度 int intHeight = this.BackgroundImage.Height; //获取背景图片的高度 Graphics myGraphics = this.CreateGraphics(); //创建窗体的Graphics类 myGraphics.Clear(Color.WhiteSmoke); //以指定的颜色清除 Bitmap bitmap = new Bitmap(intWidth, intHeight); //实例化Bitmap类 int i = 0; //通过调用Bitmap对象的SetPixel方法实现水平交错效果显示图像 while (i <= intWidth / 2) { for (int m = 0; m <= intHeight - 1; m ) { bitmap.SetPixel(i, m, myBitmap.GetPixel(i, m));//设置当前象素的颜色值 } for (int n = 0; n <= intHeight - 1; n ) { bitmap.SetPixel(intWidth - i - 1, n, myBitmap.GetPixel(intWidth - i - 1, n));//设置当前象素的颜色值 } i ; this.Refresh();//工作区无效 this.BackgroundImage = bitmap;//显示水平交错的图片 System.Threading.Thread.Sleep(10);//线程挂起 } } catch { } } }}