form1.cs

svm 多类分类 输入多种色点

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace olsvm
{
    public partial class Gsvm : Form
    {
        private int color;
        private Point[][] point;
        private int[] count;
        private int ker;
        private int kind;
        Bitmap bmp; 

        public Gsvm()
        {
            InitializeComponent();
            color = 0;
            point = new Point[5][];
            count = new int[5];
            ker = 0;
            kind = 0;
            bmp = new Bitmap(500, 500); 
        }

        private void red_Click(object sender, EventArgs e)
        {
            color = 1;
            red.Checked = true;
            green.Checked = false;
            blue.Checked = false;
            yellow.Checked = false;
            pink.Checked = false;
        }

        private void green_Click(object sender, EventArgs e)
        {
            color = 2;
            red.Checked = false;
            green.Checked = true;
            blue.Checked = false;
            yellow.Checked = false;
            pink.Checked = false;
        }

        private void blue_Click(object sender, EventArgs e)
        {
            color = 3;
            red.Checked = false;
            green.Checked = false;
            blue.Checked = true;
            yellow.Checked = false;
            pink.Checked = false;
        }

        private void yellow_Click(object sender, EventArgs e)
        {
            color = 4;
            red.Checked = false;
            green.Checked = false;
            blue.Checked = false;
            yellow.Checked = true;
            pink.Checked = false;
        }

        private void pink_Click(object sender, EventArgs e)
        {
            color = 5;
            red.Checked = false;
            green.Checked = false;
            blue.Checked = false;
            yellow.Checked = false;
            pink.Checked = true;
        }

        private void draw_MouseDown(object sender, MouseEventArgs e)
        {
            Graphics g = draw.CreateGraphics();
            switch (color)
            {
                case 1:
                    if (count[0] != 0)
                    {
                        Point[] temp = new Point[count[0] + 1];
                        for (int i = 0; i < count[0]; i++)
                            temp[i] = point[0][i];
                        temp[count[0]].X = e.X;
                        temp[count[0]].Y = e.Y;
                        point[0] = temp;
                        count[0]++;
                    }
                    else
                    {
                        point[0] = new Point[1];
                        point[0][0].X = e.X;
                        point[0][0].Y = e.Y;
                        count[0] = 1;
                    }
                    g.FillRectangle(new SolidBrush(Color.Red), e.X - 1, e.Y - 1, 2, 2);
                    break;
                case 2:
                    if (count[1] != 0)
                    {
                        Point[] temp = new Point[count[1] + 1];
                        for (int i = 0; i < count[1]; i++)
                            temp[i] = point[1][i];
                        temp[count[1]].X = e.X;
                        temp[count[1]].Y = e.Y;
                        point[1] = temp;
                        count[1]++;
                    }
                    else
                    {
                        point[1] = new Point[1];
                        point[1][0].X = e.X;
                        point[1][0].Y = e.Y;
                        count[1] = 1;
                    }
                    g.FillRectangle(new SolidBrush(Color.YellowGreen), e.X - 1, e.Y - 1, 2, 2);
                    break;
                case 3:
                    if (count[2] != 0)
                    {
                        Point[] temp = new Point[count[2] + 1];
                        for (int i = 0; i < count[2]; i++)
                            temp[i] = point[2][i];
                        temp[count[2]].X = e.X;
                        temp[count[2]].Y = e.Y;
                        point[2] = temp;
                        count[2]++;
                    }
                    else
                    {
                        point[2] = new Point[1];
                        point[2][0].X = e.X;
                        point[2][0].Y = e.Y;
                        count[2] = 1;
                    }
                    g.FillRectangle(new SolidBrush(Color.Blue), e.X - 1, e.Y - 1, 2, 2);
                    break;
                case 4:
                    if (count[3] != 0)
                    {
                        Point[] temp = new Point[count[3] + 1];
                        for (int i = 0; i < count[3]; i++)
                            temp[i] = point[3][i];
                        temp[count[3]].X = e.X;
                        temp[count[3]].Y = e.Y;
                        point[3] = temp;
                        count[3]++;
                    }
                    else
                    {
                        point[3] = new Point[1];
                        point[3][0].X = e.X;
                        point[3][0].Y = e.Y;
                        count[3] = 1;
                    }
                    g.FillRectangle(new SolidBrush(Color.Yellow), e.X - 1, e.Y - 1, 2, 2);
                    break;
                case 5:
                    if (count[4] != 0)
                    {
                        Point[] temp = new Point[count[4] + 1];
                        for (int i = 0; i < count[4]; i++)
                            temp[i] = point[4][i];
                        temp[count[4]].X = e.X;
                        temp[count[4]].Y = e.Y;
                        point[4] = temp;
                        count[4]++;
                    }
                    else
                    {
                        point[4] = new Point[1];
                        point[4][0].X = e.X;
                        point[4][0].Y = e.Y;
                        count[4] = 1;
                    }
                    g.FillRectangle(new SolidBrush(Color.Purple), e.X - 1, e.Y - 1, 2, 2);
                    break;
            }
        }

        private void draw_Paint(object sender, PaintEventArgs e)
        {
            Brush pen = new SolidBrush(Color.Black);
            Graphics g = e.Graphics;
            g.DrawImage(bmp, 0, 0);
            for (int i = 0; i < 5; i++)
            {
                for (int j = 0; j < count[i]; j++)
                {
                    switch (i+1)
                    {
                        case 1: pen = new SolidBrush(Color.Red); break;
                        case 2: pen = new SolidBrush(Color.YellowGreen); break;
                        case 3: pen = new SolidBrush(Color.Blue); break;
                        case 4: pen = new SolidBrush(Color.Yellow); break;
                        case 5: pen = new SolidBrush(Color.Purple); break;
                    }
                    g.FillRectangle(pen, point[i][j].X - 1, point[i][j].Y - 1, 2, 2);
                }
            }
        }

        
        private void run_Click(object sender, EventArgs e)
        {
            Brush pen = new SolidBrush(Color.Black);
            Graphics g = draw.CreateGraphics();
            Graphics vg = Graphics.FromImage(bmp);
            for (int i = 0; i < 5; i++)
            {
                if ( count[i] != 0)
                    kind++;
            }
            if (kind == 1)
            {
                int i = 0;
                for (i = 0; i < 5; i++)
                    if (count[i] != 0)
                        break;
                for (int j = 0; j < 500; j+=2)
                    for (int r = 0; r < 500; r+=2)
                    {
                        switch (i + 1)
                        {
                            case 1: pen = new SolidBrush(Color.Pink); break;
                            case 2: pen = new SolidBrush(Color.Green); break;
                            case 3: pen = new SolidBrush(Color.SkyBlue); break;
                            case 4: pen = new SolidBrush(Color.Peru); break;
                            case 5: pen = new SolidBrush(Color.Plum); break;
                        }
                        g.FillRectangle(pen, j - 1, r - 1, 2, 2);
                        vg.FillRectangle(pen, j - 1, r - 1, 2, 2);
                    }