using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace rozpoznawanie_liter
{
    public partial class Form1 : Form
    {
        int[,] tablica;
        int wysokosc, szerokosc, wysokosc2, szerokosc2;
        Bitmap image, image2;
        int[,] tablica2;
 
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.Filter = "Image File|*.png";
 
            if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
 
                image = new Bitmap(openFileDialog1.OpenFile());
                button2.Enabled = true;
                szerokosc = image.Width;
                int a;
                wysokosc = image.Height;
                tablica = new int[szerokosc, wysokosc];
                for (int i = 0; i < szerokosc; i++)
                    for (int j = 0; j < wysokosc; j++)
                    {
                        a = image.GetPixel(i, j).B;
                        if (a == 255)
                            tablica[i, j] = 0;
                        if ((a < 255) & (a > 50))
                            tablica[i, j] = 0;
                        if (a < 49)
                            tablica[i, j] = 1;
                    }
            }
        }
 
        private void button2_Click(object sender, EventArgs e)
        {
            richTextBox1.Clear();
            for (int i = 0; i < wysokosc; i++)
            {
                for (int j = 0; j < szerokosc; j++)
                {
                    if (tablica[j, i] == 1)
                    {
                        richTextBox1.SelectionColor = System.Drawing.Color.Red;
                        richTextBox1.AppendText(" " + tablica[j, i].ToString());
                    }
                    else
                    {
                        richTextBox1.SelectionColor = System.Drawing.Color.Black;
                        richTextBox1.AppendText(tablica[j, i].ToString());
                    }
                }
                richTextBox1.AppendText("\n");
            }
 
        }
 
        private void button3_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.Filter = "Image File|*.png";
 
            if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                image2 = new Bitmap(openFileDialog1.OpenFile());
                szerokosc2 = image2.Width;
                int a;
                wysokosc2 = image2.Height;
                tablica2 = new int[szerokosc2, wysokosc2];
                for (int i = 0; i < szerokosc2; i++)
                    for (int j = 0; j < wysokosc; j++)
                    {
 
                        a = image2.GetPixel(i, j).B;
                        if (a == 255)
                            tablica2[i, j] = 0;
                        if (a < 49)
                            tablica2[i, j] = 1;
                    }
            }
        }
 
        private void button4_Click(object sender, EventArgs e)
        {
            int suma = 0;
            for (int i = 0; i < szerokosc2; i++)
                for (int j = 0; j < wysokosc; j++)
                {
                    suma += tablica[i, j] * tablica2[i, j];
                }
            label1.Text = suma.ToString();
        }
    }
}