mainwindow.cs

画图程序

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;
using System.IO;
using System.Drawing.Imaging;

namespace GraphicalCS
{
	/// <summary>
	/// Summary description for MainWindow.
	/// </summary>
	public class MainWindow : System.Windows.Forms.Form
	{
		internal System.Windows.Forms.Button AddFilledRectangle;
		internal System.Windows.Forms.Button AddHollowRectangle;
		internal System.Windows.Forms.Button AddPoint;
		internal System.Windows.Forms.PictureBox Drawing;
		private System.Windows.Forms.Button AddLine;
		internal System.Windows.Forms.Button AddHollowEllipse;
		internal System.Windows.Forms.Button AddFilledEllipse;
		private System.Windows.Forms.Button AddCircle;
		private System.Windows.Forms.Button AddFillCircle;
		private System.Windows.Forms.Button AddPath;
		private System.Windows.Forms.Button btnEraser;
		private System.Windows.Forms.GroupBox grpTool;
		private System.Windows.Forms.MainMenu mainMenu;
		private System.Windows.Forms.MenuItem menuFile;
		private System.Windows.Forms.MenuItem menuNew;
		private System.Windows.Forms.MenuItem menuOpen;
		private System.Windows.Forms.MenuItem menuSave;
		private System.Windows.Forms.MenuItem menuSaveAs;
		private System.Windows.Forms.MenuItem menuItem5;
		private System.Windows.Forms.MenuItem menuExit;
		private System.Windows.Forms.MenuItem menuItemEs;
		private System.Windows.Forms.MenuItem menuItemSize1;
		private System.Windows.Forms.MenuItem menuItemmenuItemSize2;
		private System.Windows.Forms.MenuItem menuItemSize3;
		private System.Windows.Forms.ContextMenu cntMenu;
		private System.Windows.Forms.Button btnText;
		private System.Windows.Forms.MenuItem menuItemCA;
		private System.Windows.Forms.Button btnCircleAt;
		private System.Windows.Forms.StatusBar statusBar;
		private System.Windows.Forms.StatusBarPanel statusBarImageType;
		private System.Windows.Forms.StatusBarPanel statusBarPoint;
		private System.Windows.Forms.SaveFileDialog saveFileDialog;
		private System.Windows.Forms.OpenFileDialog openFileDialog;
		private System.Windows.Forms.Button AddPolygon;
		private System.Windows.Forms.MenuItem menuItemClose;

		private System.Windows.Forms.Button Black;
		private System.Windows.Forms.Button White;
		private System.Windows.Forms.Button Red;
		private System.Windows.Forms.Button blue;
		private System.Windows.Forms.Button Yellow;
		private System.Windows.Forms.Button Cyan;
		private System.Windows.Forms.Button Magenta;
		private System.Windows.Forms.Button LawnGreen;
		private System.Windows.Forms.Button btnColor;
		private System.Windows.Forms.Button MoreColor;
		private System.Windows.Forms.GroupBox ColorBox;
		private System.Windows.Forms.ColorDialog colorDialog;
		private System.Windows.Forms.Button AddCurve;
		private System.Windows.Forms.ContextMenu Curvecontext;
		private System.Windows.Forms.MenuItem Curve;
		private System.Windows.Forms.MenuItem ClosedCurve;
		private System.Windows.Forms.MenuItem menuItemLw;
		private System.Windows.Forms.MenuItem menuBeziers;
		private System.Windows.Forms.MenuItem Example;
		private System.Windows.Forms.MenuItem Advance;
		private System.Windows.Forms.MenuItem FadeInOut;
		private System.Windows.Forms.MenuItem GrayScale;
		private System.Windows.Forms.MenuItem GrayScale1;
		private System.Windows.Forms.MenuItem GrayScale2;
		private System.Windows.Forms.MenuItem grayScale3;
		private System.Windows.Forms.MenuItem GrayScale4;
		private System.Windows.Forms.MenuItem Inverse;
		private System.Windows.Forms.MenuItem Flashligt;
		private System.Windows.Forms.MenuItem BlurAndSharpen;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem Report;
		private System.Windows.Forms.MenuItem Help;
		private System.Windows.Forms.MenuItem menuItem2;
		private System.Windows.Forms.MenuItem About;
		private System.Windows.Forms.Button btnPick;
		private System.Windows.Forms.ToolBar toolBar;
		private System.Windows.Forms.ImageList imageList;
		private System.Windows.Forms.ToolBarButton Undo;
		private System.Windows.Forms.ToolBarButton Redu;
		private System.Windows.Forms.ContextMenu ToolContext;
		private System.Windows.Forms.MenuItem Change;
		private System.Windows.Forms.MenuItem NotChange;
		private System.Windows.Forms.ContextMenu ToolContext2;
		private System.Windows.Forms.MenuItem Change2;
		private System.Windows.Forms.MenuItem NotChange2;
		private System.ComponentModel.IContainer components;
	
		/// <summary>
		/// 图形枚举。
		/// </summary>
		public enum ImageType
		{
			Empty,
			Point,
			Line,
			Rectangle,
			FillRectangle,
			Circle,
			FillCircle,
			Ellipse,
			FillEllipse,
			Path,
			Eraser,
			Text,
			CircleAt,
			Polygon,
			Curve,
			ClosedCurve,
			Beziers,
			Set,
			Pick
		}

		public MainWindow()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
			this.SetStyle(ControlStyles.DoubleBuffer | //双重缓冲
				ControlStyles.UserPaint | 
				ControlStyles.AllPaintingInWmPaint,
				true);
			this.UpdateStyles();

		}

		/// <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>
		/// 主体窗架生成 
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MainWindow));
			this.AddFilledRectangle = new System.Windows.Forms.Button();
			this.AddHollowRectangle = new System.Windows.Forms.Button();
			this.AddPoint = new System.Windows.Forms.Button();
			this.Drawing = new System.Windows.Forms.PictureBox();
			this.cntMenu = new System.Windows.Forms.ContextMenu();
			this.menuItemEs = new System.Windows.Forms.MenuItem();
			this.menuItemSize1 = new System.Windows.Forms.MenuItem();
			this.menuItemmenuItemSize2 = new System.Windows.Forms.MenuItem();
			this.menuItemSize3 = new System.Windows.Forms.MenuItem();
			this.menuItemCA = new System.Windows.Forms.MenuItem();
			this.menuItemClose = new System.Windows.Forms.MenuItem();
			this.menuItemLw = new System.Windows.Forms.MenuItem();
			this.Advance = new System.Windows.Forms.MenuItem();
			this.FadeInOut = new System.Windows.Forms.MenuItem();
			this.GrayScale = new System.Windows.Forms.MenuItem();
			this.GrayScale1 = new System.Windows.Forms.MenuItem();
			this.GrayScale2 = new System.Windows.Forms.MenuItem();
			this.grayScale3 = new System.Windows.Forms.MenuItem();
			this.GrayScale4 = new System.Windows.Forms.MenuItem();
			this.Inverse = new System.Windows.Forms.MenuItem();
			this.Flashligt = new System.Windows.Forms.MenuItem();
			this.BlurAndSharpen = new System.Windows.Forms.MenuItem();
			this.AddHollowEllipse = new System.Windows.Forms.Button();
			this.AddFilledEllipse = new System.Windows.Forms.Button();
			this.AddLine = new System.Windows.Forms.Button();
			this.AddCircle = new System.Windows.Forms.Button();
			this.grpTool = new System.Windows.Forms.GroupBox();
			this.AddCurve = new System.Windows.Forms.Button();
			this.Curvecontext = new System.Windows.Forms.ContextMenu();
			this.Curve = new System.Windows.Forms.MenuItem();
			this.ClosedCurve = new System.Windows.Forms.MenuItem();
			this.AddPolygon = new System.Windows.Forms.Button();
			this.btnCircleAt = new System.Windows.Forms.Button();
			this.btnEraser = new System.Windows.Forms.Button();
			this.AddPath = new System.Windows.Forms.Button();
			this.AddFillCircle = new System.Windows.Forms.Button();
			this.btnText = new System.Windows.Forms.Button();
			this.mainMenu = new System.Windows.Forms.MainMenu();
			this.menuFile = new System.Windows.Forms.MenuItem();
			this.menuNew = new System.Windows.Forms.MenuItem();
			this.menuOpen = new System.Windows.Forms.MenuItem();
			this.menuSave = new System.Windows.Forms.MenuItem();
			this.menuSaveAs = new System.Windows.Forms.MenuItem();
			this.menuItem5 = new System.Windows.Forms.MenuItem();
			this.menuExit = new System.Windows.Forms.MenuItem();
			this.Example = new System.Windows.Forms.MenuItem();
			this.menuBeziers = new System.Windows.Forms.MenuItem();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.Report = new System.Windows.Forms.MenuItem();
			this.Help = new System.Windows.Forms.MenuItem();
			this.menuItem2 = new System.Windows.Forms.MenuItem();
			this.About = new System.Windows.Forms.MenuItem();
			this.statusBar = new System.Windows.Forms.StatusBar();
			this.statusBarImageType = new System.Windows.Forms.StatusBarPanel();
			this.statusBarPoint = new System.Windows.Forms.StatusBarPanel();
			this.saveFileDialog = new System.Windows.Forms.SaveFileDialog();
			this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
			this.btnColor = new System.Windows.Forms.Button();
			this.Magenta = new System.Windows.Forms.Button();
			this.blue = new System.Windows.Forms.Button();
			this.Red = new System.Windows.Forms.Button();
			this.White = new System.Windows.Forms.Button();
			this.Black = new System.Windows.Forms.Button();
			this.Yellow = new System.Windows.Forms.Button();
			this.LawnGreen = new System.Windows.Forms.Button();
			this.Cyan = new System.Windows.Forms.Button();
			this.MoreColor = new System.Windows.Forms.Button();
			this.ColorBox = new System.Windows.Forms.GroupBox();
			this.colorDialog = new System.Windows.Forms.ColorDialog();
			this.btnPick = new System.Windows.Forms.Button();
			this.toolBar = new System.Windows.Forms.ToolBar();
			this.Undo = new System.Windows.Forms.ToolBarButton();
			this.ToolContext = new System.Windows.Forms.ContextMenu();
			this.Change = new System.Windows.Forms.MenuItem();
			this.NotChange = new System.Windows.Forms.MenuItem();
			this.Redu = new System.Windows.Forms.ToolBarButton();
			this.ToolContext2 = new System.Windows.Forms.ContextMenu();
			this.Change2 = new System.Windows.Forms.MenuItem();
			this.NotChange2 = new System.Windows.Forms.MenuItem();
			this.imageList = new System.Windows.Forms.ImageList(this.components);
			this.grpTool.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.statusBarImageType)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.statusBarPoint)).BeginInit();
			this.ColorBox.SuspendLayout();
			this.SuspendLayout();
			// 
			// AddFilledRectangle
			// 
			this.AddFilledRectangle.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.AddFilledRectangle.BackColor = System.Drawing.SystemColors.ControlLightLight;
			this.AddFilledRectangle.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("AddFilledRectangle.BackgroundImage")));
			this.AddFilledRectangle.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.AddFilledRectangle.Image = ((System.Drawing.Image)(resources.GetObject("AddFilledRectangle.Image")));
			this.AddFilledRectangle.Location = new System.Drawing.Point(48, 48);
			this.AddFilledRectangle.Name = "AddFilledRectangle";
			this.AddFilledRectangle.Size = new System.Drawing.Size(26, 26);
			this.AddFilledRectangle.TabIndex = 17;
			this.AddFilledRectangle.Click += new System.EventHandler(this.AddFilledRectangle_Click);
			// 
			// AddHollowRectangle
			// 
			this.AddHollowRectangle.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.AddHollowRectangle.BackColor = System.Drawing.SystemColors.ControlLightLight;
			this.AddHollowRectangle.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("AddHollowRectangle.BackgroundImage")));
			this.AddHollowRectangle.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.AddHollowRectangle.Image = ((System.Drawing.Image)(resources.GetObject("AddHollowRectangle.Image")));
			this.AddHollowRectangle.Location = new System.Drawing.Point(8, 48);
			this.AddHollowRectangle.Name = "AddHollowRectangle";
			this.AddHollowRectangle.Size = new System.Drawing.Size(26, 26);
			this.AddHollowRectangle.TabIndex = 16;
			this.AddHollowRectangle.Click += new System.EventHandler(this.AddHollowRectangle_Click);
			// 
			// AddPoint
			// 
			this.AddPoint.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.AddPoint.BackColor = System.Drawing.SystemColors.ControlLightLight;
			this.AddPoint.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("AddPoint.BackgroundImage")));
			this.AddPoint.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
			this.AddPoint.Location = new System.Drawing.Point(8, 16);
			this.AddPoint.Name = "AddPoint";
			this.AddPoint.Size = new System.Drawing.Size(26, 26);
			this.AddPoint.TabIndex = 15;
			this.AddPoint.Click += new System.EventHandler(this.AddPoint_Click);
			// 
			// Drawing
			// 
			this.Drawing.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.Drawing.BackColor = System.Drawing.SystemColors.ControlLightLight;
			this.Drawing.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.Drawing.ContextMenu = this.cntMenu;
			this.Drawing.Location = new System.Drawing.Point(8, 8);
			this.Drawing.Name = "Drawing";
			this.Drawing.Size = new System.Drawing.Size(567, 427);
			this.Drawing.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
			this.Drawing.TabIndex = 14;
			this.Drawing.TabStop = false;
			this.Drawing.Paint += new System.Windows.Forms.PaintEventHandler(this.Drawing_Paint);
			this.Drawing.MouseEnter += new System.EventHandler(this.Drawing_MouseEnter);
			this.Drawing.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Drawing_MouseUp);
			this.Drawing.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Drawing_MouseMove);
			this.Drawing.MouseLeave += new System.EventHandler(this.Drawing_MouseLeave);
			this.Drawing.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Drawing_MouseDown);
			// 
			// cntMenu
			// 
			this.cntMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					this.menuItemEs,
																					this.menuItemCA,
																					this.menuItemClose,
																					this.menuItemLw,
																					this.Advance});
			// 
			// menuItemEs