private void addMessageButton_Click(object sender, EventArgs e)
{
if (AddingMessageBox.Text.Length == 0)
return;
var bytes = BitmapHelper.BitmapToByteRgbMarshal(picture);
var lsb = new LsbMethod(bytes, usingBits);
lsb.WriteLongInt(prefix);
lsb.WriteInt(AddingMessageBox.Text.Length * 2);
lsb.WriteString(AddingMessageBox.Text);
BitmapHelper.ByteToBitmapRgbMarshal(picture, lsb.Data);
pictureBox.Image = picture;
lsb = new LsbMethod(BitmapHelper.BitmapToByteRgbMarshal(picture), usingBits);
var readPrefix = lsb.ReadLongInt();
if (readPrefix != prefix)
{
MessageBox.Show("Error occured while adding message.", "Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
var readLengthMessage = lsb.ReadInt();
var readMessage = lsb.ReadMessage(readLengthMessage);
AddedMessageBox.Text = readMessage;
}
private void openButton_Click(object sender, EventArgs e)
{
if (openFileDialog.ShowDialog() == DialogResult.Cancel)
return;
AddedMessageBox.Text = String.Empty;
AddingMessageBox.Text = String.Empty;
picture = BitmapHelper.LoadBitmap(openFileDialog.FileName);
pictureBox.Image = picture;
var lsb = new LsbMethod(BitmapHelper.BitmapToByteRgbMarshal(picture), usingBits);
var readPrefix = lsb.ReadLongInt();
BitmapHelper.ByteToBitmapRgbMarshal(picture, lsb.Data);
if (readPrefix != prefix)
{
MessageBox.Show("Added message not found.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
var readLengthMessage = lsb.ReadInt();
var readMessage = lsb.ReadMessage(readLengthMessage);
AddedMessageBox.Text = readMessage;
}