public Object stego(Bitmap im, String secret, Boolean whatDo)
{
Object returnObject = null;
// [1] will contain the bitmap after embeded or extracted
// all_NEW_Piexl_Stego = new int[myBitmap_Width * myBitmap_Height];
genaret_All_Pixel_Of_Bitmap(im);
//************************************
index_OF_NEW_Stego_Pixel = 0;
if (whatDo)
{ // if true do the Embeding
Tsecret_Bits_All = toBinaryString(secret);
int[] theInfo = embeding_Secret();
//returnObject[0] = theInfo[0]; the return number is mean how many pixel used
//returnObject[1] = theInfo[1]; the return number is mean how bit in the last stego
//returnObject[2] = theInfo[2]; the return number is mean where the stego stop color;
int whathapend = theInfo[0];
// ********************* LSB STEGO **************************
String theSecretTOLSB = theInfo[0] + "," + theInfo[1] + "," + theInfo[2];
foreach (int[] c in theSkipColorPixels)
{
theSecretTOLSB += "," + c[0] + c[1];
}
//MessageBox.Show("the LSB: " + theSecretTOLSB);
theSecretTOLSB = toBinaryString(theSecretTOLSB);
StegoLSB lsbStego = new StegoLSB();
lsbStego.stego(all_Piexl_Color, theSecretTOLSB);
// **********************************************************
//MessageBox.Show("The Pixel Used For Stego is = " + ((int)returnObject[0]).ToString());
if (whathapend > 0) // this mean all secret are embeded in the image
{
//myBitmap.setPixels(all_Piexl_Color, 0, im.getWidth(), 0, 0, im.getWidth(), im.getHeight());
index_Of_All_Pixel_Color = 0;
for (int i = 0; i < myBitmap_Height; i++)
{
for (int j = 0; j < myBitmap_Width; j++)
{
myBitmap.SetPixel(j, i, all_Piexl_Color[index_Of_All_Pixel_Color++]);
}
}
returnObject = myBitmap;
}
else if (whathapend == -1)
{
// know will not do any thing because will return to the client
}
}
// ******************************************** Extracting *************************************************************
else
{ // if false do the Extracting
// ********************* Get The Secret Info From LSB For Get the Secret Stego In Image *********************
String[] theSplit;
int pixel_num_used = 0;
int theLastStegoBitsSize = 0;
int theLastColorStego = 0;
try
{
StegoLSB lsbStego = new StegoLSB();
String theSecretLSB = lsbStego.extract(all_Piexl_Color);
theSplit = theSecretLSB.Split(',');
pixel_num_used = int.Parse(theSplit[0]);
theLastStegoBitsSize = int.Parse(theSplit[1]);
theLastColorStego = int.Parse(theSplit[2]);
for (int i = 3; i < theSplit.Length; i++)
{
int[] skip = new int[2];
skip[1] = int.Parse(theSplit[i][theSplit[i].Length - 1].ToString());
skip[0] = int.Parse(theSplit[i].Substring(0, theSplit[i].Length - 1));
theSkipColorPixels.Add(skip);
}
Tsecret_Bits_All = "";
returnObject = extracting_Secret(pixel_num_used, theLastStegoBitsSize, theLastColorStego);
}
catch (Exception e)
{
returnObject = null;
}
// **********************************************************************************************************
}
// need to fill bitmap with all_NEW_Piexl_Stego Function will write
return returnObject;
}
public Object stego(Bitmap im, String secret, Boolean whatDo)
{
Object returnObject = null;
// [1] will contain the bitmap after embeded or extracted
// all_NEW_Piexl_Stego = new int[myBitmap_Width * myBitmap_Height];
genaret_All_Pixel_Of_Bitmap(im);
//************************************
index_OF_NEW_Stego_Pixel = 0;
if (whatDo)
{ // if true do the Embeding
Tsecret_Bits_All = toBinaryString(secret);
int[] theInfo = embeding_Secret();
//returnObject[0] = theInfo[0]; the return number is mean how many pixel used
//returnObject[1] = theInfo[1]; the return number is mean how bit in the last stego
//returnObject[2] = theInfo[2]; the return number is mean where the stego stop color;
int whathapend = theInfo[0];
// ********************* LSB STEGO **************************
String theSecretTOLSB = theInfo[0] + "," + theInfo[1] + "," + theInfo[2];
foreach (int[] c in theSkipColorPixels)
{
theSecretTOLSB += "," + c[0] + c[1];
}
//MessageBox.Show("the LSB: " + theSecretTOLSB);
theSecretTOLSB = toBinaryString(theSecretTOLSB);
StegoLSB lsbStego = new StegoLSB();
lsbStego.stego(all_Piexl_Color, theSecretTOLSB);
// **********************************************************
//MessageBox.Show("The Pixel Used For Stego is = " + ((int)returnObject[0]).ToString());
if (whathapend > 0) // this mean all secret are embeded in the image
{
//myBitmap.setPixels(all_Piexl_Color, 0, im.getWidth(), 0, 0, im.getWidth(), im.getHeight());
index_Of_All_Pixel_Color = 0;
for (int i = 0; i < myBitmap_Height; i++)
{
for (int j = 0; j < myBitmap_Width; j++)
{
myBitmap.SetPixel(j, i, all_Piexl_Color[index_Of_All_Pixel_Color++]);
}
}
returnObject = myBitmap;
}
else if (whathapend == -1)
{
// know will not do any thing because will return to the client
}
}
// ******************************************** Extracting *************************************************************
else
{ // if false do the Extracting
// ********************* Get The Secret Info From LSB For Get the Secret Stego In Image *********************
String[] theSplit;
int pixel_num_used = 0;
int theLastStegoBitsSize = 0;
int theLastColorStego = 0;
try
{
StegoLSB lsbStego = new StegoLSB();
String theSecretLSB = lsbStego.extract(all_Piexl_Color);
theSplit = theSecretLSB.Split(',');
pixel_num_used = int.Parse(theSplit[0]);
theLastStegoBitsSize = int.Parse(theSplit[1]);
theLastColorStego = int.Parse(theSplit[2]);
for (int i = 3; i < theSplit.Length; i++)
{
int[] skip = new int[2];
skip[1] = int.Parse(theSplit[i][theSplit[i].Length - 1].ToString());
skip[0] = int.Parse(theSplit[i].Substring(0, theSplit[i].Length - 1));
theSkipColorPixels.Add(skip);
}
Tsecret_Bits_All = "";
returnObject = extracting_Secret(pixel_num_used, theLastStegoBitsSize, theLastColorStego);
}
catch (Exception e)
{
returnObject = null;
}
// **********************************************************************************************************
}
// need to fill bitmap with all_NEW_Piexl_Stego Function will write
return returnObject;
}
