2D Poligon Drawer-Animator

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

namespace _2dGrph
{



	/// <summary>
	/// Summary description for WinForm1.
	/// </summary>
	public class brushfrm : System.Windows.Forms.Form
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.IContainer components;
		private System.Windows.Forms.Panel panel1;
		SelectRect s_r;
		//test
		GraphicsPath g_p;
		//GrpLst g_l;
		public Status status;
		private System.Windows.Forms.ColorDialog colorDialog1;
		private System.Windows.Forms.Button button4;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.ToolBar toolBar1;
		private System.Windows.Forms.ToolBarButton toolBarButton1;
		private System.Windows.Forms.Button button1;

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

			s_r = new SelectRect(this);
			//test
			g_p = new GraphicsPath();
			//g_l = new GrpLst();
			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

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

		private void redraw()
		{
			Rectangle rect;
			Graphics g = panel1.CreateGraphics();


			//Do Double Buffering
			Bitmap offScreenBmp;
			Graphics offScreenDC;
			offScreenBmp = new Bitmap(panel1.Width, panel1.Height);
			offScreenDC = Graphics.FromImage(offScreenBmp);

			offScreenDC.Clear(panel1.BackColor);
			//offScreenDC.SmoothingMode=SmoothingMode.AntiAlias;


		/*	foreach (Wall w in cart.walls)
			{
				//myGraphics.DrawRectangle(new Pen(Color.Black, 1), w.X, w.Y, w.Wid, w.Hei	);
				rect = new Rectangle(w.X,w.Y,w.Wid,w.Hei);
				offScreenDC.FillRectangle(Brushes.Goldenrod,rect);

				//GraphicsPath path=new GraphicsPath();
				//path.AddEllipse(rect);
				//PathGradientBrush pgbrush= new PathGradientBrush(path);
				//pgbrush.CenterPoint=new Point((rect.Right- rect.Left) /3+rect.Left,(rect.Bottom - rect.Top) /3+rect.Top);
				//pgbrush.CenterColor=Color.White;
				//pgbrush.SurroundColors=new Color[] { Color.Red };
				//offScreenDC.FillRectangle(pgbrush,rect);
				//offScreenDC.DrawEllipse(new Pen(Color.Red),rect);

			}*/

			/*
			foreach (Node p in cart.ai_nodes)
			{
				rect = new Rectangle(p.P.X,p.P.Y,1,1);
				offScreenDC.FillRectangle(Brushes.Red,rect);
				offScreenDC.DrawEllipse(new Pen(Color.Black, 1),p.P.X-3,p.P.Y-3,6,6);
			}
			*/

			/*rect = new Rectangle(P1.X,P1.Y,2,2);
			offScreenDC.FillRectangle(Brushes.Blue,rect);
			offScreenDC.DrawEllipse(new Pen(Color.Blue, 1),P1.X-3,P1.Y-3,6,6);
			rect = new Rectangle(P2.X,P2.Y,2,2);
			offScreenDC.DrawEllipse(new Pen(Color.Red, 1),P2.X-3,P2.Y-3,6,6);
			offScreenDC.FillRectangle(Brushes.Blue,rect);
			*/

			if (s_r.visible)
			{
				// offScreenDC.DrawRectangle(new Pen(Color.Black, 1),s_r.p1.X,s_r.p1.Y,s_r.p2.X - s_r.p1.X,s_r.p2.Y - s_r.p1.Y);
				offScreenDC.DrawLine(new Pen(Color.Black, 1),s_r.p1.X,s_r.p1.Y,s_r.p1.X,s_r.p2.Y);
				offScreenDC.DrawLine(new Pen(Color.Black, 1),s_r.p1.X,s_r.p2.Y,s_r.p2.X,s_r.p2.Y);
				offScreenDC.DrawLine(new Pen(Color.Black, 1),s_r.p2.X,s_r.p2.Y,s_r.p2.X,s_r.p1.Y);
				offScreenDC.DrawLine(new Pen(Color.Black, 1),s_r.p2.X,s_r.p1.Y,s_r.p1.X,s_r.p1.Y);
			}

			//test
			offScreenDC.DrawPath(new Pen(colorDialog1.Color, 1),g_p);


			g.DrawImageUnscaled(offScreenBmp, 0, 0);
			}






		#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.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(brushfrm));
			this.panel1 = new System.Windows.Forms.Panel();
			this.colorDialog1 = new System.Windows.Forms.ColorDialog();
			this.button4 = new System.Windows.Forms.Button();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.toolBarButton1 = new System.Windows.Forms.ToolBarButton();
			this.button1 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.BackColor = System.Drawing.SystemColors.Window;
			this.panel1.Location = new System.Drawing.Point(8, 40);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(120, 112);
			this.panel1.TabIndex = 0;
			this.panel1.MouseUp += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseUp);
			this.panel1.Paint += new System.Windows.Forms.PaintEventHandler(this.panel1_Paint);
			this.panel1.MouseMove += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseMove);
			this.panel1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.panel1_MouseDown);
			// 
			// colorDialog1
			// 
			this.colorDialog1.FullOpen = true;
			this.colorDialog1.ShowHelp = true;
			// 
			// button4
			// 
			this.button4.Location = new System.Drawing.Point(88, 160);
			this.button4.Name = "button4";
			this.button4.Size = new System.Drawing.Size(40, 24);
			this.button4.TabIndex = 4;
			this.button4.Text = "color";
			this.button4.Click += new System.EventHandler(this.button4_Click);
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
						this.toolBarButton1});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(136, 28);
			this.toolBar1.TabIndex = 5;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// toolBarButton1
			// 
			this.toolBarButton1.ImageIndex = 0;
			this.toolBarButton1.Tag = "0";
			this.toolBarButton1.ToolTipText = "Close figure";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(16, 160);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(64, 24);
			this.button1.TabIndex = 6;
			this.button1.Text = "Set brush";
			this.button1.Click += new System.EventHandler(this.button1_Click1);
			// 
			// brushfrm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.BackColor = System.Drawing.Color.RosyBrown;
			this.ClientSize = new System.Drawing.Size(136, 192);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.toolBar1);
			this.Controls.Add(this.button4);
			this.Controls.Add(this.panel1);
			this.Name = "brushfrm";
			this.Text = "Brush";
			this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.canvas_KeyPress);
			this.Load += new System.EventHandler(this.canvas_Load);
			this.ResumeLayout(false);
		}
		#endregion

		public void OnselectRect(object sender, selectRectEventArgs e)
		{

			//Add code to draw select rect
		}


		private void canvas_Load(object sender, System.EventArgs e)
		{

		}

		private void panel1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			s_r.setRect(e.X,e.Y);


			switch (status.Mode)
			{
			case Action.Select:
				{
				g_p.AddLine(s_r.p1,s_r.p2);
				break;
				}
			case Action.Rect:
				{
				g_p.AddRectangle( new Rectangle(s_r.p1.X,s_r.p1.Y,s_r.p2.X-s_r.p1.X ,s_r.p2.Y-s_r.p1.Y));
				break;
				}
			case Action.Ellip:
				{
				g_p.AddEllipse(new Rectangle(s_r.p1.X,s_r.p1.Y,s_r.p2.X-s_r.p1.X ,s_r.p2.Y-s_r.p1.Y));
				break;
				}
			}

			s_r.undoRect();     //stop drawing the rectangle

			redraw();
		}

		private void panel1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
		{
				   if (s_r.drawing)
					{
						s_r.p2.X = e.X;
						s_r.p2.Y = e.Y;
						redraw();
					}

		}

		private void panel1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			s_r.resetRect(e.X,e.Y);
		}
		
		private void panel1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			redraw();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			//g_p.CloseFigure();
			redraw();
		}
		
		private void button2_Click(object sender, System.EventArgs e)
		{
			Matrix translateMatrix = new Matrix();
			translateMatrix.Translate(5, 0);
			//g_p.Transform(translateMatrix);
			redraw();

		}
		
		private void button3_Click(object sender, System.EventArgs e)
		{
			Matrix rotateMatrix = new Matrix();
			rotateMatrix.Rotate(45);
			//g_p.Transform(rotateMatrix);
			redraw();

		}
		
		private void button4_Click(object sender, System.EventArgs e)
		{
			colorDialog1.ShowDialog();
			button4.BackColor = colorDialog1.Color;
		}

		private void canvas_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{

		}
		
		private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			if (e.Button.Tag == "0")
				g_p.CloseFigure();
				redraw();
		}
		
		private void button1_Click1(object sender, System.EventArgs e)
		{
		PathGradientBrush pgbrush= new PathGradientBrush(g_p);
		RectangleF rectf = g_p.GetBounds();
		Rectangle rect = new Rectangle();
		rect.X = (int)rectf.X;
		rect.Y = (int)rectf.Y;
		rect.Width = (int)rectf.Width;
		rect.Height = (int)rectf.Height;

		pgbrush.CenterPoint=new Point((rect.Right- rect.Left) /3+rect.Left,(rect.Bottom - rect.Top) /3+rect.Top);
		//pgbrush.CenterColor=Color.White;
		pgbrush.CenterColor=Color.Black;
		pgbrush.SurroundColors=new Color[] { colorDialog1.Color };
		//offScreenDC.FillRectangle(pgbrush,rect);
		status.pgbrush =pgbrush;
		redraw();
		}
	}
}