countdetection

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using AForge.Imaging.Filters;
using AForge.Imaging;
using AForge;

namespace prefinalexam
{
    public partial class Form1 : Form
    {


        public Form1()
        {
            InitializeComponent();
        }

        private void bTNSAVE_Click(object sender, EventArgs e)
        {
            pictureBox1.Image = PanelToBitmap(paint1);
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "Image|*.jpg";
            sfd.FileName = "Image.jpg";
            sfd.Title = "Save picture";

            if (DialogResult.OK == sfd.ShowDialog())
            {
                pictureBox1.Image = MakeGrayscale3((Bitmap)pictureBox1.Image);
                pictureBox1.Image.Save(sfd.FileName);

            }
        }
        private System.Drawing.Image PanelToBitmap(Control paint1)
        {
            var bmp = new Bitmap(paint1.Width, paint1.Height);
            paint1.DrawToBitmap(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height));
            return bmp;
        }
        public Bitmap MakeGrayscale3(Bitmap original)
        {
            //create a blank bitmap the same size as original
            Bitmap newBitmap = new Bitmap(original.Width, original.Height);

            //get a graphics object from the new image
            Graphics g = Graphics.FromImage(newBitmap);

            //create the grayscale ColorMatrix
            ColorMatrix colorMatrix = new ColorMatrix(
               new float[][]
              {
                 new float[] {.3f, .3f, .3f, 0, 0},
                 new float[] {.59f, .59f, .59f, 0, 0},
                 new float[] {.11f, .11f, .11f, 0, 0},
                 new float[] {0, 0, 0, 1, 0},
                 new float[] {0, 0, 0, 0, 1}
              });

            //create some image attributes
            ImageAttributes attributes = new ImageAttributes();

            //set the color matrix attribute
            attributes.SetColorMatrix(colorMatrix);

            //draw the original image on the new image
            //using the grayscale color matrix
            g.DrawImage(original, new Rectangle(0, 0, original.Width, original.Height),
               0, 0, original.Width, original.Height, GraphicsUnit.Pixel, attributes);

            //dispose the Graphics object
            g.Dispose();
            return newBitmap;
        }


        private void button1_Click(object sender, EventArgs e)
        {
            SusanCornersDetector s = new SusanCornersDetector();
            List<IntPoint> c = s.ProcessImage((Bitmap)pictureBox1.Image);
            Graphics g = Graphics.FromImage(pictureBox1.Image);
            SolidBrush b = new SolidBrush(Color.Red);
            Pen p = new Pen(b);

            foreach (IntPoint k in c)
            {
                g.DrawRectangle(p, k.X - 1, k.Y - 1, 3, 3);
            }
            pictureBox1.Image = (Bitmap)pictureBox1.Image ;
            if (c.Count == 0)
            {
                MessageBox.Show("You Draw a circle");
            }
            else if (c.Count == 3)
            {
                MessageBox.Show("You Draw a triangle");
            }
            else if (c.Count == 4)
            {
                MessageBox.Show("You Draw a Square");
            }
            else
            {
                MessageBox.Show("What kind of object you draw?");
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            paint1.DrawingShapes = new PicLoaderE1.Shapes();
            paint1.Refresh();

        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}