/*************************************************
* Protanomaly Color Blindness Simulator          *
* I.e., UltraMuffin's first brave experiment     *
* in writing a program with Microsoft Visual C#. *
*                                                *
* This code was developed with Visual C# 2008    *
* Express Edition, which is free, so you have no *
* excuse not to learn!                           *
*************************************************/

using System;
using System.Drawing;
using System.Windows.Forms;

class MyForm : Form
{
    private Button button1;
    private Image myImage, cloneImage;
    private Bitmap myBitmap, cloneBitmap;
    private PictureBox pictureBox1 = new PictureBox();

    public MyForm()
    {
        Text = "Protanomaly Color Blindness Simulator";
        InitializeComponent();
    }

    [STAThreadAttribute]
    public static void Main()
    {
        MyForm aForm = new MyForm();
        Application.Run(aForm);
    }

    private void InitializeComponent()
    {
        this.button1 = new System.Windows.Forms.Button();
        this.SuspendLayout();

        this.button1.Location = new System.Drawing.Point(350, 400);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(75, 23);
        this.button1.TabIndex = 0;
        this.button1.Text = "Load File";
        this.button1.UseVisualStyleBackColor = true;
        this.button1.Click += new System.EventHandler(this.button1_Click);

        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(775, 450);
        this.Controls.Add(this.button1);
        this.Name = "MyForm";
        this.ResumeLayout(false);

    }

    private void draw_jpg(object sender, PaintEventArgs e)
    {
        Point myPoint = new Point(25, 25);
        Point otherPoint = new Point(400, 25);
        System.Console.WriteLine(this.ClientSize);
        Size mySize = new Size(350, 350);
        Size otherSize = new Size(350, 350);
        Rectangle myRectangle = new Rectangle(myPoint, mySize);
        Rectangle otherRectangle = new Rectangle(otherPoint, otherSize);

        Graphics g = e.Graphics;

        g.DrawImage(myBitmap, myRectangle);
        g.DrawImage(cloneBitmap, otherRectangle);
    }

    private void button1_Click(object sender, EventArgs e)
    {
        OpenFileDialog open = new OpenFileDialog();
        open.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg; *.jpeg; *.gif; *.bmp";

        if (open.ShowDialog() == DialogResult.OK)
        {
            myImage = Image.FromFile(open.FileName);
            cloneImage = Image.FromFile(open.FileName);
            myBitmap = myImage as Bitmap;
            cloneBitmap = cloneImage as Bitmap;

            for (int i = 0; i < myBitmap.PhysicalDimension.Width; i++)
            {
                for (int j = 0; j < myBitmap.PhysicalDimension.Height; j++)
                {
                    int red, green, blue;
                    red = myBitmap.GetPixel(i, j).R;
                    green = myBitmap.GetPixel(i, j).G;
                    blue = myBitmap.GetPixel(i, j).B;

                    red *= (int) 0.25;

                    Color newColor = Color.FromArgb(red, green, blue);
                    cloneBitmap.SetPixel(i, j, newColor);
                }
            }

            this.Paint += new PaintEventHandler(this.draw_jpg);
            this.Invalidate();
        }
    }
}