private void Hide_Click(object sender, EventArgs e)
{
// check if any file is selected
if (string.IsNullOrEmpty(imgPath))
{
MessageBox.Show("Error: No file is selected", "Alert");
return;
}
// prepossing the input and insert the message
int insertLog = TextProcessing.InsertMsg(textBox1.Text, imgMap);
if (insertLog == 0)
{
MessageBox.Show("Error: Not enough space for insertion", "Alert");
return;
}
else
{
// save the picture with hidden message
string newPath = Directory.GetParent(imgPath).ToString() + '/' + Path.GetFileNameWithoutExtension(imgPath) + "_copy.png";
imgMap.Save(newPath, ImageFormat.Png);
}
// reinitialize the output text and deselect the image
Reinitialize("", "Waiting for input...", "", null);
}
private void Seek_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(imgPath))
{
return;
}
// process the input and extract the message
string plaintext = TextProcessing.ExtractMsg(textBox1.Text, imgMap);
// now the user selects no image
Reinitialize(plaintext, "Waiting for input...", "", null);
}