public bool RefreshBarcode()
{
//Debug.WriteLine("ActualW: "+Width+" ActualH: "+Height);
try
{
int hSize = 0;
if (Height > Width)
{
hSize = (int)Height;
}
else
{
hSize = (int)Width;
}
ZXing.Presentation.BarcodeWriter writer = new ZXing.Presentation.BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions
{
Height = (int)Height,
Width = (int)Width,
Margin = 0
}
};
if (type == BarcodeType.Barcode_Type.QRCode)
{
writer.Format = BarcodeFormat.QR_CODE;
writer.Options.Width = hSize;
writer.Options.Height = hSize;
}
else if (type == BarcodeType.Barcode_Type.EAN13)
{
writer.Format = BarcodeFormat.EAN_13;
}
else if (type == BarcodeType.Barcode_Type.EAN8)
{
writer.Format = BarcodeFormat.EAN_8;
}
else if (type == BarcodeType.Barcode_Type.Code128)
{
writer.Format = BarcodeFormat.CODE_128;
}
else if (type == BarcodeType.Barcode_Type.Codabar)
{
writer.Format = BarcodeFormat.CODABAR;
}
BarcodeImage.Source = writer.Write(text);
return(true);
}catch (Exception ex)
{
Debug.WriteLine("Barcode Error: " + ex);
return(false);
}
}
private void btnEncode_Click(object sender, RoutedEventArgs e)
{
try
{
imageBarcodeEncoder.Visibility = Visibility.Hidden;
imageBarcodeEncoderGeometry.Visibility = Visibility.Hidden;
switch (cmbRendererType.SelectedItem.ToString())
{
case "WriteableBitmap":
{
var writer = new BarcodeWriter
{
Format = (BarcodeFormat)cmbEncoderType.SelectedItem,
Options = new ZXing.Common.EncodingOptions
{
Height = (int)imageBarcodeEncoder.Height,
Width = (int)imageBarcodeEncoder.Width,
Margin = 0
}
};
var image = writer.Write(txtBarcodeContentEncode.Text);
imageBarcodeEncoder.Source = image;
imageBarcodeEncoder.Visibility = Visibility.Visible;
}
break;
case "XAML Geometry":
{
var writer = new BarcodeWriterGeometry
{
Format = (BarcodeFormat)cmbEncoderType.SelectedItem,
Options = new ZXing.Common.EncodingOptions
{
Height = (int)imageBarcodeEncoder.Height,
Width = (int)imageBarcodeEncoder.Width,
Margin = 0
}
};
var image = writer.Write(txtBarcodeContentEncode.Text);
imageBarcodeEncoderGeometry.Data = image;
imageBarcodeEncoderGeometry.Visibility = Visibility.Visible;
}
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void GenerateQrCode(string text)
{
QRCodeWriter qrWriter = new QRCodeWriter();
Dictionary <ZXing.EncodeHintType, object> hints = new Dictionary <ZXing.EncodeHintType, object>();
hints.Add(ZXing.EncodeHintType.CHARACTER_SET, "windows-1251");
hints.Add(ZXing.EncodeHintType.MARGIN, 1);
ZXing.Common.BitMatrix matrix = qrWriter.encode(text.Trim(), ZXing.BarcodeFormat.QR_CODE, 640, 640, hints);
ZXing.Presentation.BarcodeWriter writer = new ZXing.Presentation.BarcodeWriter();
WriteableBitmap wb = writer.Write(matrix);
this.image.Source = wb;
}
private BitmapImage GenerateBarcodeImage(string barcodeContent, BarcodeFormat barcodeType)
{
var barcodeWriter = new ZXing.Presentation.BarcodeWriter();
barcodeWriter.Format = barcodeType;
barcodeWriter.Options = new EncodingOptions
{
Width = BARCODE_WIDTH,
Height = BARCODE_HEIGHT
};
var bc = barcodeWriter.Write(barcodeContent);
return(ToBitMapImage(bc));
}
/// <summary>
/// PayUrl to QR code 400*400
/// </summary>
/// <param name="paylink"></param>
void StrToQRCode(string paylink)
{
var writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = new ZXing.Common.EncodingOptions
{
Height = 400,
Width = 400,
Margin = 0
}
};
var image = writer.Write(paylink);
this.image.Source = image;
this.label.Content = "扫一扫 微信支付";
}
private void GenQR(string value)
{
EncodingOptions option = new EncodingOptions();
option.Hints.Add(EncodeHintType.CHARACTER_SET, "utf-8");
option.Hints.Add(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
option.Hints.Add(EncodeHintType.WIDTH, 200);
option.Hints.Add(EncodeHintType.HEIGHT, 200);
BarcodeWriter writer = new BarcodeWriter
{
Format = BarcodeFormat.QR_CODE,
Options = option
};
if (string.IsNullOrEmpty(value))
{
QRCodeView.imageHolder.Source = new BitmapImage();
return;
}
var result = writer.Write(value);
BitmapImage bmImage = new BitmapImage();
using (MemoryStream stream = new MemoryStream())
{
PngBitmapEncoder encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(result));
encoder.Save(stream);
bmImage.BeginInit();
bmImage.CacheOption = BitmapCacheOption.OnLoad;
bmImage.StreamSource = stream;
bmImage.EndInit();
bmImage.Freeze();
}
QRCodeView.imageHolder.Source = bmImage;
}
private void btnEncode_Click(object sender, RoutedEventArgs e)
{
imageBarcodeEncoder.Visibility = Visibility.Hidden;
imageBarcodeEncoderGeometry.Visibility = Visibility.Hidden;
switch (cmbRendererType.SelectedItem.ToString())
{
case "WriteableBitmap":
{
var writer = new BarcodeWriter
{
Format = (BarcodeFormat)cmbEncoderType.SelectedItem,
Options = new ZXing.Common.EncodingOptions
{
Height = (int)imageBarcodeEncoder.Height,
Width = (int)imageBarcodeEncoder.Width,
Margin = 0
}
};
var image = writer.Write(txtBarcodeContentEncode.Text);
imageBarcodeEncoder.Source = image;
imageBarcodeEncoder.Visibility = Visibility.Visible;
}
break;
case "XAML Geometry":
{
var writer = new BarcodeWriterGeometry
{
Format = (BarcodeFormat) cmbEncoderType.SelectedItem,
Options = new ZXing.Common.EncodingOptions
{
Height = (int) imageBarcodeEncoder.Height,
Width = (int) imageBarcodeEncoder.Width,
Margin = 0
}
};
var image = writer.Write(txtBarcodeContentEncode.Text);
imageBarcodeEncoderGeometry.Data = image;
imageBarcodeEncoderGeometry.Visibility = Visibility.Visible;
}
break;
}
}
