form1.cs

使用C＃程式語言撰寫的固定為3x3的Convolution濾波器

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

namespace CSharpFilters
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Drawing.Bitmap m_Bitmap;
		private System.Drawing.Bitmap m_Undo;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem menuItem4;
		private System.Windows.Forms.MenuItem FileLoad;
		private System.Windows.Forms.MenuItem FileSave;
		private System.Windows.Forms.MenuItem FileExit;
		private System.Windows.Forms.MenuItem FilterInvert;
		private System.Windows.Forms.MenuItem FilterGrayScale;
		private System.Windows.Forms.MenuItem FilterBrightness;
		private System.Windows.Forms.MenuItem FilterContrast;
		private System.Windows.Forms.MenuItem FilterGamma;
		private System.Windows.Forms.MenuItem FilterColor;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem Zoom25;
		private double Zoom = 1.0;
		private System.Windows.Forms.MenuItem Zoom50;
		private System.Windows.Forms.MenuItem Zoom100;
		private System.Windows.Forms.MenuItem Zoom150;
		private System.Windows.Forms.MenuItem Zoom200;
		private System.Windows.Forms.MenuItem Zoom300;
		private System.Windows.Forms.MenuItem Zoom500;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem FilterSmooth;
		private System.Windows.Forms.MenuItem GaussianBlur;
		private System.Windows.Forms.MenuItem MeanRemoval;
		private System.Windows.Forms.MenuItem Sharpen;
		private System.Windows.Forms.MenuItem EmbossLaplacian;
		private System.Windows.Forms.MenuItem EdgeDetectQuick;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem Undo;
		private System.Windows.Forms.MenuItem FilterCustom;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			InitializeComponent();

			m_Bitmap= new Bitmap(2, 2);
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.FileLoad = new System.Windows.Forms.MenuItem();
			this.FileSave = new System.Windows.Forms.MenuItem();
			this.FileExit = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.Undo = new System.Windows.Forms.MenuItem();
			this.menuItem4 = new System.Windows.Forms.MenuItem();
			this.FilterInvert = new System.Windows.Forms.MenuItem();
			this.FilterGrayScale = new System.Windows.Forms.MenuItem();
			this.FilterBrightness = new System.Windows.Forms.MenuItem();
			this.FilterContrast = new System.Windows.Forms.MenuItem();
			this.FilterGamma = new System.Windows.Forms.MenuItem();
			this.FilterColor = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.FilterSmooth = new System.Windows.Forms.MenuItem();
			this.GaussianBlur = new System.Windows.Forms.MenuItem();
			this.MeanRemoval = new System.Windows.Forms.MenuItem();
			this.Sharpen = new System.Windows.Forms.MenuItem();
			this.EmbossLaplacian = new System.Windows.Forms.MenuItem();
			this.EdgeDetectQuick = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.Zoom25 = new System.Windows.Forms.MenuItem();
			this.Zoom50 = new System.Windows.Forms.MenuItem();
			this.Zoom100 = new System.Windows.Forms.MenuItem();
			this.Zoom150 = new System.Windows.Forms.MenuItem();
			this.Zoom200 = new System.Windows.Forms.MenuItem();
			this.Zoom300 = new System.Windows.Forms.MenuItem();
			this.Zoom500 = new System.Windows.Forms.MenuItem();
			this.FilterCustom = new System.Windows.Forms.MenuItem();
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1,
																					  this.menuItem5,
																					  this.menuItem4,
																					  this.menuItem3,
																					  this.menuItem2});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.FileLoad,
																					  this.FileSave,
																					  this.FileExit});
			this.menuItem1.Text = "File";
			// 
			// FileLoad
			// 
			this.FileLoad.Index = 0;
			this.FileLoad.Shortcut = System.Windows.Forms.Shortcut.CtrlL;
			this.FileLoad.Text = "Load";
			this.FileLoad.Click += new System.EventHandler(this.File_Load);
			// 
			// FileSave
			// 
			this.FileSave.Index = 1;
			this.FileSave.Shortcut = System.Windows.Forms.Shortcut.CtrlS;
			this.FileSave.Text = "Save";
			this.FileSave.Click += new System.EventHandler(this.File_Save);
			// 
			// FileExit
			// 
			this.FileExit.Index = 2;
			this.FileExit.Text = "Exit";
			this.FileExit.Click += new System.EventHandler(this.File_Exit);
			// 
			// menuItem5
			// 
			this.menuItem5.Index = 1;
			this.menuItem5.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.Undo});
			this.menuItem5.Text = "Edit";
			// 
			// Undo
			// 
			this.Undo.Index = 0;
			this.Undo.Text = "Undo";
			this.Undo.Click += new System.EventHandler(this.OnUndo);
			// 
			// menuItem4
			// 
			this.menuItem4.Index = 2;
			this.menuItem4.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.FilterInvert,
																					  this.FilterGrayScale,
																					  this.FilterBrightness,
																					  this.FilterContrast,
																					  this.FilterGamma,
																					  this.FilterColor});
			this.menuItem4.Text = "Filter";
			// 
			// FilterInvert
			// 
			this.FilterInvert.Index = 0;
			this.FilterInvert.Text = "Invert";
			this.FilterInvert.Click += new System.EventHandler(this.Filter_Invert);
			// 
			// FilterGrayScale
			// 
			this.FilterGrayScale.Index = 1;
			this.FilterGrayScale.Text = "GrayScale";
			this.FilterGrayScale.Click += new System.EventHandler(this.Filter_GrayScale);
			// 
			// FilterBrightness
			// 
			this.FilterBrightness.Index = 2;
			this.FilterBrightness.Text = "Brightness";
			this.FilterBrightness.Click += new System.EventHandler(this.Filter_Brightness);
			// 
			// FilterContrast
			// 
			this.FilterContrast.Index = 3;
			this.FilterContrast.Text = "Contrast";
			this.FilterContrast.Click += new System.EventHandler(this.Filter_Contrast);
			// 
			// FilterGamma
			// 
			this.FilterGamma.Index = 4;
			this.FilterGamma.Text = "Gamma";
			this.FilterGamma.Click += new System.EventHandler(this.Filter_Gamma);
			// 
			// FilterColor
			// 
			this.FilterColor.Index = 5;
			this.FilterColor.Text = "Color";
			this.FilterColor.Click += new System.EventHandler(this.Filter_Color);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 3;
			this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.FilterSmooth,
																					  this.GaussianBlur,
																					  this.MeanRemoval,
																					  this.Sharpen,
																					  this.EmbossLaplacian,
																					  this.EdgeDetectQuick,
																					  this.FilterCustom});
			this.menuItem3.Text = "Convolution";
			// 
			// FilterSmooth
			// 
			this.FilterSmooth.Index = 0;
			this.FilterSmooth.Text = "Smooth";
			this.FilterSmooth.Click += new System.EventHandler(this.OnFilterSmooth);
			// 
			// GaussianBlur
			// 
			this.GaussianBlur.Index = 1;
			this.GaussianBlur.Text = "Gaussian Blur";
			this.GaussianBlur.Click += new System.EventHandler(this.OnGaussianBlur);
			// 
			// MeanRemoval
			// 
			this.MeanRemoval.Index = 2;
			this.MeanRemoval.Text = "Mean Removal";
			this.MeanRemoval.Click += new System.EventHandler(this.OnMeanRemoval);
			// 
			// Sharpen
			// 
			this.Sharpen.Index = 3;
			this.Sharpen.Text = "Sharpen";
			this.Sharpen.Click += new System.EventHandler(this.OnSharpen);
			// 
			// EmbossLaplacian
			// 
			this.EmbossLaplacian.Index = 4;
			this.EmbossLaplacian.Text = "EmbossLaplacian";
			this.EmbossLaplacian.Click += new System.EventHandler(this.OnEmbossLaplacian);
			// 
			// EdgeDetectQuick
			// 
			this.EdgeDetectQuick.Index = 5;
			this.EdgeDetectQuick.Text = "EdgeDetectQuick";
			this.EdgeDetectQuick.Click += new System.EventHandler(this.OnEdgeDetectQuick);
			// 
			// menuItem2
			// 
			this.menuItem2.Index = 4;
			this.menuItem2.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.Zoom25,
																					  this.Zoom50,
																					  this.Zoom100,
																					  this.Zoom150,
																					  this.Zoom200,
																					  this.Zoom300,
																					  this.Zoom500});
			this.menuItem2.Text = "Zoom";
			// 
			// Zoom25
			// 
			this.Zoom25.Index = 0;
			this.Zoom25.Text = "25%";
			this.Zoom25.Click += new System.EventHandler(this.OnZoom25);
			// 
			// Zoom50
			// 
			this.Zoom50.Index = 1;
			this.Zoom50.Text = "50%";
			this.Zoom50.Click += new System.EventHandler(this.OnZoom50);
			// 
			// Zoom100
			// 
			this.Zoom100.Index = 2;