protected void GenerateQRCode()
{
if (_borderQRCode == null || _qrCodeRect == null)
return;
if (string.IsNullOrWhiteSpace(ItemURL))
{
_borderQRCode.Visibility = Visibility.Collapsed;
return;
}
try
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
if (encoder.TryEncode(ItemURL, out qrCode))
{
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(new FixedModuleSize(2, QuietZoneModules.Two), System.Windows.Media.Brushes.Black, System.Windows.Media.Brushes.White);
System.Windows.Media.DrawingBrush dBrush = dRenderer.DrawBrush(qrCode.Matrix);
_qrCodeRect.Fill = dBrush;
_borderQRCode.Visibility = System.Windows.Visibility.Visible;
}
else
{
_borderQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}
catch
{
_borderQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}
void DisplayQRCode(string imageUrl)
{
imageUrl = Common.UrlHelper.GetCorrectedStreamURL(imageUrl);
if (string.IsNullOrWhiteSpace(imageUrl))
{
brdrQRCode.Visibility = System.Windows.Visibility.Collapsed;
return;
}
try
{
QrEncoder encoder = new QrEncoder(ErrorCorrectionLevel.M);
QrCode qrCode;
if (encoder.TryEncode(imageUrl, out qrCode))
{
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(new FixedModuleSize(2, QuietZoneModules.Two), Brushes.Black, Brushes.White);
DrawingBrush dBrush = dRenderer.DrawBrush(qrCode.Matrix);
rectQRCode.Fill = dBrush;
brdrQRCode.Visibility = System.Windows.Visibility.Visible;
}
else
{
brdrQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}
catch
{
brdrQRCode.Visibility = System.Windows.Visibility.Collapsed;
}
}