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   源码介绍

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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace Image
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Button button2;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.button1 = new System.Windows.Forms.Button();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.button2 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(48, 168);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(80, 23);
			this.button1.TabIndex = 1;
			this.button1.Text = "浏览图像";
			this.button1.Click  = new System.EventHandler(this.button1_Click);
			// 
			// openFileDialog1
			// 
			this.openFileDialog1.Filter = "Image files (JPeg, Gif, Bmp, etc.)|*.jpg;*.jpeg;*.gif;*.bmp;*.tif; *.tiff; *.png|"  
				" JPeg files (*.jpg;*.jpeg)|*.jpg;*.jpeg |GIF files (*.gif)|*.gif |BMP files (*.b"  
				"mp)|*.bmp|Tiff files (*.tif;*.tiff)|*.tif;*.tiff|Png files (*.png)| *.png |All f"  
				"iles (*.*)|*.*";
			// 
			// pictureBox1
			// 
			this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
			this.pictureBox1.Location = new System.Drawing.Point(8, 8);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(296, 152);
			this.pictureBox1.TabIndex = 3;
			this.pictureBox1.TabStop = false;
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(176, 168);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(80, 23);
			this.button2.TabIndex = 4;
			this.button2.Text = "浮雕图像";
			this.button2.Click  = new System.EventHandler(this.button2_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(224)), ((System.Byte)(224)), ((System.Byte)(224)));
			this.ClientSize = new System.Drawing.Size(312, 198);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.button1);
			this.MaximizeBox = false;
			this.Name = "Form1";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "演示图像浮雕显示";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{//浏览图像文件
			this.openFileDialog1.ShowDialog();
			if(this.openFileDialog1.FileName.Trim()=="")
				return;
			try
			{   
				Bitmap MyBitmap=new Bitmap(this.openFileDialog1.FileName);
				this.pictureBox1.Image=MyBitmap;
			}
			catch(Exception Err)
			{
				MessageBox.Show(this,"打开图像文件错误！","信息提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
			}
		}
		private void button2_Click(object sender, System.EventArgs e)
		{//以浮雕方式显示图像			
			int Height=this.pictureBox1.Image.Height;
			int Width=this.pictureBox1.Image.Width;
			Bitmap bitmap=new Bitmap(Width,Height);
			Bitmap MyBitmap=(Bitmap)this.pictureBox1.Image;
			Color pixel1,pixel2;
			for(int x=0;x<Width-1;x  )
			{
				for(int y=0;y<Height-1;y  )
				{
					int r=0,g=0,b=0;
					pixel1=MyBitmap.GetPixel(x,y);						
					pixel2=MyBitmap.GetPixel(x 1,y 1);
				    r=Math.Abs(pixel1.R-pixel2.R 128);
					g=Math.Abs(pixel1.G-pixel2.G 128);
					b=Math.Abs(pixel1.B-pixel2.B 128);
					if(r>255)
						r=255;
					if(r<0)
						r=0;
					if(g>255)
						g=255;
					if(g<0)
						g=0;
					if(b>255)
						b=255;
					if(b<0)
						b=0;
					bitmap.SetPixel(x,y,Color.FromArgb(r,g,b));			
				}
			}
			this.pictureBox1.Image=bitmap;		
		}
	}
}