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;
}
}
private void buttonSave_Click(object sender, EventArgs e)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = @"PNG (*.png)|*.png|Bitmap (*.bmp)|*.bmp|Encapsuled PostScript (*.eps)|*.eps";
saveFileDialog.FileName = Path.GetFileName(GetFileNameProposal());
saveFileDialog.DefaultExt = "png";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
}
if (saveFileDialog.FileName.EndsWith("eps"))
{
BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
// Initialize the EPS renderer
var renderer = new EncapsulatedPostScriptRenderer(
new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
new EPSFormColor(Color.Black), new EPSFormColor(Color.White));
using (var file = File.OpenWrite(saveFileDialog.FileName))
{
renderer.WriteToStream(matrix, file);
}
}
else
{
DrawingBrushRenderer dRender = new DrawingBrushRenderer(new FixedModuleSize(5, QuietZoneModules.Four));
BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
{
dRender.WriteToStream(matrix, ImageFormatEnum.PNG, stream);
}
//WriteableBitmapRenderer wRender = new WriteableBitmapRenderer(new FixedModuleSize(15, QuietZoneModules.Four));
//BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
//using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
//{
// wRender.WriteToStream(matrix, ImageFormatEnum.PNG, stream);
//}
//GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(15, QuietZoneModules.Four));
//BitMatrix matrix = qrCodeGraphicControl1.GetQrMatrix();
//using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
//{
// gRender.WriteToStream(matrix, ImageFormat.Png, stream);
//}
}
}
/// <summary>
/// Update Geometry if is unlocked.
/// </summary>
internal void UpdateGeometry()
{
if (m_isLocked)
return;
new QrEncoder(ErrorCorrectLevel).TryEncode(Text, out m_QrCode);
OnQrMatrixChanged(new EventArgs());
m_width = m_QrCode.Matrix == null ? 21 : m_QrCode.Matrix.Width;
QrGeometry = new DrawingBrushRenderer(new FixedCodeSize(200, QuietZoneModule), DarkBrush, LightBrush).DrawGeometry(m_QrCode.Matrix, 0, 0);
}
private void SaveImageFile(double imageSize)
{
SaveFileDialog saveFileDIalog = new SaveFileDialog();
saveFileDIalog.Filter =
@"PNG (.png)|*.png|Bitmap (.bmp)|*.bmp|JEPG (.jpg)|*.jpg|GIF (.gif)|*.gif|TIFF (.tiff)|*.tiff|WDP (.wdp)|*.wdp|EPS (.eps)|*.eps";
saveFileDIalog.DefaultExt = ".png";
saveFileDIalog.FileName = "QrCode";
saveFileDIalog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
if (saveFileDIalog.ShowDialog() == false)
return;
string fileName = saveFileDIalog.FileName;
ImageFormatEnum imageFormat = ImageFormatEnum.PNG;
string fileNameCheck = saveFileDIalog.FileName.ToLower();
if (fileNameCheck.EndsWith("png"))
imageFormat = ImageFormatEnum.PNG;
else if (fileNameCheck.EndsWith("bmp"))
imageFormat = ImageFormatEnum.BMP;
else if (fileNameCheck.EndsWith("jpg"))
imageFormat = ImageFormatEnum.JPEG;
else if (fileNameCheck.EndsWith("gif"))
imageFormat = ImageFormatEnum.GIF;
else if (fileNameCheck.EndsWith("tiff"))
imageFormat = ImageFormatEnum.TIFF;
else if (fileNameCheck.EndsWith("wdp"))
imageFormat = ImageFormatEnum.WDP;
else if (fileNameCheck.EndsWith("eps"))
{
Properties.Settings.Default.SaveSize = imageSize;
Properties.Settings.Default.Save();
CreateEPSImage(imageSize, fileName);
return;
}
else
return;
Properties.Settings.Default.SaveSize = imageSize;
Properties.Settings.Default.Save();
int pixelSize = (int)(imageSize * 96);
DrawingBrushRenderer dRenderer = new DrawingBrushRenderer(new FixedCodeSize(pixelSize, QuietZoneModules.Two),
new SolidColorBrush(DarkColor), new SolidColorBrush(LightColor));
using (FileStream stream = new FileStream(fileName, FileMode.Create))
{
dRenderer.WriteToStream(QrMatrix, imageFormat, stream);
}
}
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;
}
}
