private async Task extractImage()
{
this.progressLabel.Content = "Please wait extracting image ...";
string stegImageFilename = this.stegImage.GetImageFilename();
System.Drawing.Bitmap hiddenBitmap = null;
await Task.Run(() =>
{
try
{
hiddenBitmap = StenographyAlgorithm.ExtractHiddenImage(stegImageFilename);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
});
if (hiddenBitmap == null)
{
this.progressLabel.Content = "Error";
return;
}
hiddenImage.Source = Util.LoadBitmap(hiddenBitmap);
this.progressLabel.Content = "Image extracted";
}
private async Task saveStegImage(string filename)
{
this.progressLabel.Content = "Please wait creating Image ...";
var visibleImageFilename = this.visibleImage.GetImageFilename();
var hiddenImageFilename = this.hiddenImage.GetImageFilename();
System.Drawing.Bitmap stegBitmap = null;
await Task.Run(() =>
{
try
{
stegBitmap = StenographyAlgorithm.EmbedImage(visibleImageFilename, hiddenImageFilename);
stegBitmap.Save(filename);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
});
if (stegBitmap == null)
{
this.progressLabel.Content = "Error";
return;
}
this.progressLabel.Content = "Image saved";
}