public static string GetCodeFromPicture(Bitmap pic)
{
QRCodeDecoder decoder = new QRCodeDecoder();
MessagingToolkit.QRCode.Codec.Data.QRCodeBitmapImage image = new QRCodeBitmapImage(pic);
return decoder.Decode(image, Encoding.Unicode);
}
private void decode_Qr()
{
QRCodeBitmapImage qbm = new QRCodeBitmapImage(de_bmp);
QRCodeDecoder decodeer = new QRCodeDecoder();
textBox1.Text= decodeer.Decode(qbm);
}
/// <summary>
/// Click on the camera. Opens a QRCode for prefiled code.
/// </summary>
/// <param name="sender">Button.</param>
/// <param name="e">Nothing.</param>
void Btn_imageClick(object sender, EventArgs e)
{
if (ofd_picture.ShowDialog() == DialogResult.OK)
{
try
{
QRCodeDecoder decoder = new QRCodeDecoder();
QRCodeImage img = new QRCodeBitmapImage((Bitmap)Bitmap.FromFile(ofd_picture.FileName));
string data = decoder.Decode(img);
Uri u = new Uri(data);
if (u.Scheme != "otpauth" || u.Host != "totp")
{
throw new Exception();
}
if (u.AbsolutePath.Length > 1)
{
txt_name.Text = System.Uri.UnescapeDataString(u.AbsolutePath.Substring(1));
}
if (u.Query.Length > 8)
{
txt_code.Text = u.Query.Substring(8);
}
}
catch
{
MessageBox.Show("Error loading image",
"Error while loading image. Is it a QRCode with totp data ?",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
}