form1.cs

打开图像文件

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

namespace Example034_对图像进行浮雕处理
{
	/// <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.Panel panel1;
		private System.Windows.Forms.PictureBox pictureBox1;
		/// <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 Form Designer generated code
		/// <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()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.panel1 = new System.Windows.Forms.Panel();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(136, 232);
			this.button1.Name = "button1";
			this.button1.TabIndex = 0;
			this.button1.Text = "Open";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.pictureBox1);
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(296, 224);
			this.panel1.TabIndex = 1;
			// 
			// pictureBox1
			// 
			this.pictureBox1.Location = new System.Drawing.Point(16, 16);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(168, 136);
			this.pictureBox1.TabIndex = 0;
			this.pictureBox1.TabStop = false;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(296, 256);
			this.Controls.Add(this.panel1);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		
		Bitmap bmp;
		private void button1_Click(object sender, System.EventArgs e)
		{
			if(this.openFileDialog1.ShowDialog()==DialogResult.OK)
			{
				bmp=new Bitmap(this.openFileDialog1.FileName);
				for (int i=0;i<bmp.Width-1;i++)
				{
					for(int j=0;j<bmp.Height-1;j++)
					{
						Color Color1=bmp.GetPixel(i,j);
						Color Color2=bmp.GetPixel(i+1,j+1);
						int red=Math.Abs(Color1.R-Color2.R+128);
						int green=Math.Abs(Color1.G-Color2.G+128);
						int blue=Math.Abs(Color1.B-Color2.B+128);
						//颜色处理
						if(red>255)		red=255;
						if(red<0)		red=0;

						if(green>255)	green=255;
						if(green<0)		green=0;

						if(blue>255)	blue=255;
						if(blue<0)		blue=0;
						bmp.SetPixel(i,j,Color.FromArgb(red,green,blue));
					}
				}
				this.pictureBox1.Image=bmp;
			}
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			this.pictureBox1.SizeMode=PictureBoxSizeMode.AutoSize;
		}
	}
}