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

namespace Test
{
    public partial class Form1 : Form
    {
        Color mostfrequentpixel;
        Color[] c;
        int frequencyofmostfrequentpixel;
        bool ispixelexisting;
        Bitmap pic;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            worker = new BackgroundWorker();
            worker.WorkerReportsProgress = true;
            worker.WorkerSupportsCancellation = true;

            worker.DoWork += new DoWorkEventHandler(worker_DoWork);
            worker.ProgressChanged += new ProgressChangedEventHandler(worker_ProgressChanged);
            worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            textBox1.Clear();
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "Image files (*.jpg, *.jpeg, *.jpe, *.jfif, *.png) | *.jpg; *.jpeg; *.jpe; *.jfif; *.png";
            DialogResult r = ofd.ShowDialog();

            if (r == DialogResult.OK)
            {
                pictureBox1.Image = Image.FromFile(ofd.FileName);
                pic = new Bitmap(pictureBox1.Image);
                worker.RunWorkerAsync();
            }
        }

        private void worker_DoWork(object sender, DoWorkEventArgs e)
        {
            Bitmapfunctions f = new Bitmapfunctions();
            int percent = 0;

            mostfrequentpixel = f.GetMostFrequentPixel(pic);
            percent += 25;
            worker.ReportProgress(percent);

            frequencyofmostfrequentpixel = f.FrequencyOfPixel(pic, mostfrequentpixel);
            percent += 25;
            worker.ReportProgress(percent);

            ispixelexisting = f.IsPixelExisting(pic, Color.FromArgb(0, 0, 0));
            percent += 25;
            worker.ReportProgress(percent);

            c = f.GetPixelsFromBitmap(pic);
            percent += 25;
            worker.ReportProgress(percent);
        }

        private void worker_ProgressChanged(object sender, ProgressChangedEventArgs e)
        {
            progressBar1.Value = e.ProgressPercentage;
        }

        private void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            textBox1.Text += "Most Frequent Pixel: " + mostfrequentpixel + Environment.NewLine;
            textBox1.Text += "Frequency of Most Frequent Pixel: " + frequencyofmostfrequentpixel + Environment.NewLine;
            textBox1.Text += "RGB (0,0,0) is e" + ispixelexisting + Environment.NewLine;
            textBox1.Text += "All Pixels [" + c.Length + "]:" + Environment.NewLine;
            for (int i = 0; i < c.Length; i++)
            {
                textBox1.Text += c[i].ToString() + Environment.NewLine;
            }
        }
    }
}