/// <summary>
/// Creates an image for the specified QR bill.
/// <para>
/// The image will only comprise the QR bill itself and have a size of 210 by 105 mm.
/// </para>
/// <para>
/// If the QR bill contains invalid data, the resulting image will be empty
/// except for the white background.
/// </para>
/// </summary>
/// <param name="bill">QR bill</param>
/// <returns></returns>
public static DrawingImage CreateImage(Bill bill)
{
var bounds = new Rect(0, 0, 210 * mmToDip, 105 * mmToDip);
DrawingGroup group = new DrawingGroup();
using (DrawingContext dc = group.Open())
{
// draw white background
dc.DrawRectangle(Brushes.White, null, bounds);
using var canvas = new QrBillImage(dc, 105);
var savedOutputSize = bill.Format.OutputSize;
bill.Format.OutputSize = OutputSize.QrBillOnly;
try
{
QRBill.Draw(bill, canvas);
}
catch (QRBillValidationException)
{
// ignore
}
bill.Format.OutputSize = savedOutputSize;
}
var image = new DrawingImage(group);
image.Freeze();
return(image);
}
/// <summary>
/// Print sample document with the specified QR bill
/// </summary>
/// <param name="bill">QR bill to print</param>
internal static void Print(Bill bill)
{
// show print dialog
var pd = new PrintDialog();
pd.PrintTicket.PageMediaSize = new PageMediaSize(PageMediaSizeName.ISOA4);
pd.PrintTicket.PageOrientation = PageOrientation.Portrait;
if (pd.ShowDialog() != true)
{
return;
}
// create page
var pageSize = new Size(pd.PrintableAreaWidth, pd.PrintableAreaHeight);
var page = new FixedPage
{
Width = pageSize.Width,
Height = pageSize.Height
};
// add title
var text = new TextBlock
{
Text = "Swiss QR Bill",
FontSize = 40,
FontWeight = FontWeights.Bold,
Margin = new Thickness(20 / 25.4 * 96)
};
page.Children.Add(text);
// add QR bill to the bottom
var qrBill = new Image
{
Source = QrBillImage.CreateImage(bill)
};
FixedPage.SetBottom(qrBill, 0);
page.Children.Add(qrBill);
// create document
var document = new FixedDocument();
document.DocumentPaginator.PageSize = pageSize;
PageContent pageContent = new PageContent();
((IAddChild)pageContent).AddChild(page);
document.Pages.Add(pageContent);
// print document
pd.PrintDocument(document.DocumentPaginator, "Invoice");
}
public MainWindow()
{
InitializeComponent();
// create bill data
bill = new Bill
{
// creditor data
Account = "CH4431999123000889012",
Creditor = new Address
{
Name = "Robert Schneider AG",
AddressLine1 = "Rue du Lac 1268/2/22",
AddressLine2 = "2501 Biel",
CountryCode = "CH"
},
// payment data
//Amount = 199.95m,
Currency = "CHF",
// debtor data
Debtor = new Address
{
Name = "Pia-Maria Rutschmann-Schnyder",
AddressLine1 = "Grosse Marktgasse 28",
AddressLine2 = "9400 Rorschach",
CountryCode = "CH"
},
// more payment data
Reference = "210000000003139471430009017",
UnstructuredMessage = "Abonnement für 2020"
};
billImage.Source = QrBillImage.CreateImage(bill);
}
