private Metafile CreateMetafile()
{
// ouput size for QR bill only: 210 x 110mm
bill.Format.OutputSize = OutputSize.QrBillExtraSpace;
using MetafileCanvas canvas = new MetafileCanvas(210, 110, "Arial");
QRBill.Draw(bill, canvas);
return(canvas.ToMetafile());
}
public void ToMetafile_CorrectFrame()
{
Bill bill = SampleData.CreateExample6();
bill.Format.OutputSize = OutputSize.A4PortraitSheet;
using MetafileCanvas canvas = new MetafileCanvas(QRBill.A4PortraitWidth, QRBill.A4PortraitHeight, "Helvetica, Arial, \"Liberation Sans\"");
QRBill.Draw(bill, canvas);
using Metafile metafile = canvas.ToMetafile();
var graphicsUnit = GraphicsUnit.Millimeter;
// GetBounds() returns the metafile frame in pixels
var bounds = metafile.GetBounds(ref graphicsUnit);
Assert.Equal(GraphicsUnit.Pixel, graphicsUnit);
// Since we've just created the metafile, pixel units will use the current dpi
float dpi = GetScreenDpi();
float expectedWidth = (float)QRBill.A4PortraitWidth / 25.4f * dpi;
Assert.InRange(bounds.Width, expectedWidth - 2, expectedWidth + 2);
float expectedHeight = (float)QRBill.A4PortraitHeight / 25.4f * dpi;
Assert.InRange(bounds.Height, expectedHeight - 2, expectedHeight + 2);
}