From a35afc3aa197e52db883e5bb91f54bd124268a1f Mon Sep 17 00:00:00 2001
From: citizen <a_mirre@utb.cz>
Date: Tue, 17 Dec 2019 16:21:46 +0100
Subject: [PATCH] [WIP] encode/decode

---
 main_form.Designer.cs |  1 +
 main_form.cs          | 93 ++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 83 insertions(+), 11 deletions(-)

diff --git a/main_form.Designer.cs b/main_form.Designer.cs
index a4ea205..aa383da 100644
--- a/main_form.Designer.cs
+++ b/main_form.Designer.cs
@@ -110,6 +110,7 @@
             this.button2.TabIndex = 6;
             this.button2.Text = "get";
             this.button2.UseVisualStyleBackColor = true;
+            this.button2.Click += new System.EventHandler(this.button2_Click);
             // 
             // pictureBox1
             // 
diff --git a/main_form.cs b/main_form.cs
index d22e699..53d9a3f 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
@@ -21,6 +22,8 @@ namespace KRY_0x02
 
         public int im_h = 0;
         public int im_w = 0;
+        public static int cap = 0;
+        public string path = "";
 
         public string getpath(TextBox t)
         {
@@ -34,27 +37,71 @@ namespace KRY_0x02
             a = im_h;
             b = im_w;
             c = ((a * b) / 8) - 8;
+            cap = c;
             return c;
         }
 
-        //Bitmap my_bitmap = new Bitmap(getpath(textBox1));
-        Color pixel;
-        int int_value;
-        //for (int i = 0; i<my_bitmap.Witdh - 1; i++)
-        //{
-
-        //}
-
 
         class do_a_stego
         {
-            public string putthere()
+            Bitmap my_bitmap;// = new Bitmap(getpath(textBox1));
+            Color pixel;
+
+            byte bit_array_to_byte(BitArray bit_array)
             {
+                byte[] byte_array = new byte[1];
+                //if (bit_array.Count == cap)
+                if (bit_array.Count == 8)
+                    {
+                    bit_array.CopyTo(byte_array, 0);
+                }
+                else
+                {
+                    byte_array[0] = 0;
+                    MessageBox.Show($"you should have {bit_array.Count} bits for a byte bro", "error happened");
+                }
+                return byte_array[0];
+            }
+
+            public string encode(Bitmap b, string m)
+            {
+                /* WIP */
+                my_bitmap = b;
+                string message = m;
+                for (int i = 0; i < my_bitmap.Width - 1; i++)
+                {
+
+                }
                 return "";
             }
-            public string gimme()
+
+            public string gimme(Bitmap b)
             {
-                return "";
+                /* WIP */
+                my_bitmap = b;
+                bool[] my_bool_array = new bool[8];
+                int int_value;
+
+                int ii = my_bool_array.Length - 1;
+
+                for (int i = 0; i < my_bitmap.Width - 1; i++)
+                {
+                    pixel = my_bitmap.GetPixel(i, 0);
+                    int_value = pixel.B;
+
+                    if ((int_value & 1) == 0)
+                    {
+                        my_bool_array[i] = false;
+                    }
+                    else if ((int_value & 1) == 1)
+                    {
+                        my_bool_array[i] = true;
+                    }
+                }
+
+                BitArray my_bit_array = new BitArray(my_bool_array);
+                char my_char = Convert.ToChar(Convert.ToInt32(bit_array_to_byte(my_bit_array)));
+                return Convert.ToString(my_char);
             }
         }
 
@@ -62,6 +109,27 @@ namespace KRY_0x02
         private void button1_Click(object sender, EventArgs e)
         {
             // put
+            if (pictureBox1.Image == null)
+            {
+                MessageBox.Show("you've nowhere to write to, boi");
+                return;
+            }
+            do_a_stego do_A_Stego = new do_a_stego();
+            Bitmap b = new Bitmap(pictureBox1.Image);
+            string m = textBox1putm.Text;
+            do_A_Stego.encode(b, m);
+        }
+        private void button2_Click(object sender, EventArgs e)
+        {
+            // get
+            if (pictureBox1.Image == null)
+            {
+                MessageBox.Show("you've nowhere to read from, boi");
+                return;
+            }
+            do_a_stego do_A_Stego = new do_a_stego();
+            Bitmap b = new Bitmap(pictureBox1.Image);
+            textBox2getm.Text = do_A_Stego.gimme(b);
         }
 
 
@@ -83,6 +151,7 @@ namespace KRY_0x02
                     pictureBox1.Image = new Bitmap(dlg.FileName);
                     pictureBox1.SizeMode = PictureBoxSizeMode.Normal;
                     textBox3.Text = dlg.FileName;
+                    path = textBox3.Text;
                     im_h = pictureBox1.Image.Height;
                     im_w = pictureBox1.Image.Width;
                     textBox4height.Text = im_h.ToString();
@@ -101,6 +170,7 @@ namespace KRY_0x02
             label5pathtopic.Text = $"Security:  Actual actual reality: nobody cares about his secrets."
                 + " (Also, I would be hard-pressed to find that wrench for $5.)";
             textBox3.Text = filename + "\t\t by randall ... https://xkcd.com/538";
+            path = filename;
             im_h = pictureBox1.Image.Height;
             im_w = pictureBox1.Image.Width;
             textBox4height.Text = im_h.ToString();
@@ -114,6 +184,7 @@ namespace KRY_0x02
             label5pathtopic.Text = @"path/to/pic";
             pictureBox1.Image = null;
             textBox3.Text = "";
+            path = "";
             textBox4height.Text = "";
             textBox5width.Text = "";
             textBox6capacity.Text = "";