private void RunAlgorithm()
{
switch (algorithm)
{
case "LSB Hiding":
try
{
LSBHiding lsb = new LSBHiding(hostImage, secretImage);
lsb.NumberOfBits = numberOfBits;
DataTable dt = new DataTable();
dt.Columns.Add("Bit");
dt.Columns.Add("PSNR R");
dt.Columns.Add("PSNR G");
dt.Columns.Add("PSNR B");
dt.Columns.Add("PSNR GY");
switch (type)
{
case "LSB-LSB":
lsb.LSB_LSB();
outputImage = (Bitmap)lsb.OutputImage.Clone();
lsb.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
lsb.NumberOfBits = i;
lsb.LSB_LSB();
PSNR psnr = new PSNR(hostImage, lsb.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
lsb.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
case "LSB-MSB":
lsb.LSB_MSB();
outputImage = (Bitmap)lsb.OutputImage.Clone();
lsb.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
lsb.NumberOfBits = i;
lsb.LSB_MSB();
PSNR psnr = new PSNR(hostImage, lsb.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
lsb.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
}
outputImageBox.Image = (Image)outputImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Visual Cryptography":
try
{
VisualCryptography vc = new VisualCryptography(hostImage, secretImage);
vc.NumberOfBits = numberOfBits;
vc.CreateShareImages();
vc.saveShareImage1(path, "ShareImage1.bmp");
vc.saveShareImage2(path, "ShareImage2.bmp");
DataTable dt = new DataTable();
dt.Columns.Add("Bit");
dt.Columns.Add("PSNR R");
dt.Columns.Add("PSNR G");
dt.Columns.Add("PSNR B");
dt.Columns.Add("PSNR GY");
switch (type)
{
case "LSB-LSB":
vc.LSB_LSB();
outputImage = (Bitmap)vc.OutputImage.Clone();
vc.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
vc.NumberOfBits = i;
vc.LSB_LSB();
PSNR psnr = new PSNR(hostImage, vc.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
vc.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
case "LSB-MSB":
vc.LSB_MSB();
outputImage = (Bitmap)vc.OutputImage.Clone();
vc.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
vc.NumberOfBits = i;
vc.LSB_MSB();
PSNR psnr = new PSNR(hostImage, vc.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
vc.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
}
outputImageBox.Image = (Image)outputImage;
secretImage = vc.SecretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Randomized LSB Hiding":
try
{
RandomizedLSBHiding rlsb = new RandomizedLSBHiding(hostImage, secretImage, numberOfRndNumbers, direction);
rlsb.NumberOfBits = numberOfBits;
rlsb.GenerateRandomNumbers();
DataTable dt = new DataTable();
dt.Columns.Add("Bit");
dt.Columns.Add("PSNR R");
dt.Columns.Add("PSNR G");
dt.Columns.Add("PSNR B");
dt.Columns.Add("PSNR GY");
switch (type)
{
case "LSB-LSB":
rlsb.LSB_LSB();
outputImage = (Bitmap)rlsb.OutputImage.Clone();
rlsb.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + "_" + numberOfRndNumbers.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
rlsb.NumberOfBits = i;
rlsb.LSB_LSB();
PSNR psnr = new PSNR(hostImage, rlsb.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
rlsb.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + "_" + numberOfRndNumbers.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
case "LSB-MSB":
rlsb.LSB_MSB();
outputImage = (Bitmap)rlsb.OutputImage.Clone();
rlsb.saveOutputImage(path, "OutputImage_" + type + "_" + numberOfBits.ToString() + "_" + numberOfRndNumbers.ToString() + ".bmp");
for (int i = 1; i <= 7; i++)
{
rlsb.NumberOfBits = i;
rlsb.LSB_MSB();
PSNR psnr = new PSNR(hostImage, rlsb.OutputImage);
dt.Rows.Add(i.ToString(), psnr.R.ToString(), psnr.G.ToString(), psnr.B.ToString(), psnr.Gray.ToString());
rlsb.saveOutputImage(path, "OutputImage_" + type + "_" + i.ToString() + "_" + numberOfRndNumbers.ToString() + ".bmp");
}
analysisForm.SetPSNRForDataGrid(dt);
break;
}
outputImageBox.Image = (Image)outputImage;
secretImage = rlsb.SecretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Interlaced Bit Hiding":
try
{
analysisForm.HidePSNRDataGridView();
InterlacedBitHiding ibh = new InterlacedBitHiding(hostImage, secretImage);
switch (type)
{
case "Odd-Even":
ibh.Odd_Even();
outputImage = (Bitmap)ibh.OutputImage.Clone();
ibh.saveOutputImage(path, "OutputImage_" + type + ".bmp");
break;
case "Pair-Wise":
ibh.Pair_Wise();
outputImage = (Bitmap)ibh.OutputImage.Clone();
ibh.saveOutputImage(path, "OutputImage_" + type + ".bmp");
break;
}
outputImageBox.Image = (Image)outputImage;
secretImage = ibh.SecretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
default:
MessageBox.Show(
"Please select algorithm!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
break;
}
}
private void DeRunAlgorithm()
{
switch (algorithm)
{
case "LSB Hiding":
try
{
LSBHiding lsb = new LSBHiding(outputImage);
lsb.NumberOfBits = numberOfBits;
switch (type)
{
case "LSB-LSB":
lsb.Reverse_LSB_LSB();
break;
case "LSB-MSB":
lsb.Reverse_LSB_MSB();
break;
}
secretImage = (Bitmap)lsb.SecretImage.Clone();
secretImageBox.Image = (Image)secretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Visual Cryptography":
try
{
Bitmap shareImage2;
OpenFileDialog dlgSelectShareImage2 = new OpenFileDialog();
dlgSelectShareImage2.Title = "Select Share Image 2 File";
dlgSelectShareImage2.Filter = "Image Files|*.bmp";
dlgSelectShareImage2.FilterIndex = 1;
dlgSelectShareImage2.Multiselect = false;
if (dlgSelectShareImage2.ShowDialog() == DialogResult.OK)
{
if (dlgSelectShareImage2.FileName == String.Empty)
return;
shareImage2 = new Bitmap(dlgSelectShareImage2.FileName);
}
else
{
return;
}
VisualCryptography vc = new VisualCryptography(outputImage);
vc.ShareImage2 = shareImage2;
vc.NumberOfBits = numberOfBits;
switch (type)
{
case "LSB-LSB":
vc.Reverse_LSB_LSB();
break;
case "LSB-MSB":
vc.Reverse_LSB_MSB();
break;
}
vc.CreateSecretImage();
secretImage = (Bitmap)vc.SecretImage.Clone();
secretImageBox.Image = (Image)secretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Randomized LSB Hiding":
try
{
RandomizedLSBHiding rlsb = new RandomizedLSBHiding(outputImage, numberOfRndNumbers, direction);
rlsb.NumberOfBits = numberOfBits;
rlsb.GenerateRandomNumbers();
switch (type)
{
case "LSB-LSB":
rlsb.Reverse_LSB_LSB();
break;
case "LSB-MSB":
rlsb.Reverse_LSB_MSB();
break;
}
secretImage = (Bitmap)rlsb.SecretImage.Clone();
secretImageBox.Image = (Image)secretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
case "Interlaced Bit Hiding":
try
{
InterlacedBitHiding ibh = new InterlacedBitHiding(outputImage);
switch (type)
{
case "Odd-Even":
ibh.Reverse_Odd_Even();
break;
case "Pair-Wise":
ibh.Reverse_Pair_Wise();
break;
}
secretImage = (Bitmap)ibh.SecretImage.Clone();
secretImageBox.Image = (Image)secretImage;
}
catch (Exception E)
{
MessageBox.Show(
E.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
break;
default:
MessageBox.Show(
"Please select algorithm!",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
break;
}
}