private async Task startEmbedAsync()
{
var currentImageBitMap = new Bitmap(pic_orgImage.Image);
sBitMap = new stag_Bitmap(currentImageBitMap, numBitsUse);
sBitMap.Message = rTxt_imageMsg.Text;
Debug.WriteLine("Beginning Encode");
await Task.Run(sBitMap.embedMessageAsync);
rTxt_imageMsg.Enabled = true;
Debug.WriteLine("Displaying modified image");
pic_modifiedImage.Image = sBitMap.newBitmap;
}
private void btn_openFile_Click(object sender, EventArgs e)
{
//open a file for import
var fileContent = string.Empty;
var filePath = string.Empty;
Image currentImage;
pic_modifiedImage.Image = null;
rTxt_imageMsg.Text = string.Empty;
using (OpenFileDialog fileDialog = new OpenFileDialog())
{
fileDialog.InitialDirectory = "c:\\";
fileDialog.Filter = "Image Files (*.jpg)|*.jpg | All files (*.*)|*.*";
fileDialog.FilterIndex = 2;
fileDialog.RestoreDirectory = true;
if (fileDialog.ShowDialog() == DialogResult.OK)
{
try
{
filePath = fileDialog.FileName;
txtBx_filePath.Text = filePath;
using (var bmpStream = System.IO.File.Open(filePath, System.IO.FileMode.Open))
{
currentImage = Image.FromStream(bmpStream);
var currentImageBitMap = new Bitmap(currentImage);
pic_orgImage.Image = currentImage;
sBitMap = new stag_Bitmap(currentImageBitMap, numBitsUse);
}
if (sBitMap.TestForMessage())
{
var confirmResult = MessageBox.Show("A message has been detected in the image that was opened.", "Would you like to try and decode the message?", MessageBoxButtons.YesNo);
if (confirmResult == DialogResult.Yes)
{
startDecodeAsync(currentImage);
}
}
pnl_msg.Visible = true;
lbl_maxMsgSizeVal.Text = sBitMap.MaxMsgSize.ToString();
}
catch (Exception ex)
{
MessageBox msgBox;
string message = "An error occurred while opening the file: " + ex.Message;
MessageBox.Show(message);
}
}
}
}
//decode the message contained in the message and set the message to the message box
private async Task startDecodeAsync(Image image)
{
Bitmap modifiedBitmap = new Bitmap(image);
stag_Bitmap decodeTest = new stag_Bitmap(modifiedBitmap);
try
{
await Task.Run(decodeTest.decodeMessageAsync);
rTxt_imageMsg.Text = decodeTest.Message;
}catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
private void saveToolStripMenuItem1_Click(object sender, EventArgs e)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Title = "Save Location";
saveFileDialog.CheckPathExists = true;
saveFileDialog.RestoreDirectory = true;
saveFileDialog.Filter = "Image Files (*.bmp)|*.bmp";
if (pic_modifiedImage.Image != null)
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
var name = saveFileDialog.FileName;
stag_Bitmap testMap = new stag_Bitmap(sBitMap.newBitmap);
testMap.TestForMessage();
sBitMap.newBitmap.Save(name, ImageFormat.Bmp);
}
}
else
{
//show alert that there is no file to save
}
}