public RectangleF GetFrame()
{
float deviceDpiX = DeviceSizePixel.Width / (DeviceSizeMicrometer.Width / 25.4f / 1000f);
float deviceDpiY = DeviceSizePixel.Height / (DeviceSizeMicrometer.Height / 25.4f / 1000f);
float left = Frame.Left / (25.4f * 100) * deviceDpiX;
float right = Frame.Right / (25.4f * 100) * deviceDpiX;
float top = Frame.Top / (25.4f * 100) * deviceDpiY;
float bottom = Frame.Bottom / (25.4f * 100) * deviceDpiY;
return new RectangleF(left, top, right - left, bottom - top);
}
public void ToByteArray_CorrectFrame()
{
Bill bill = SampleData.CreateExample4();
bill.Format.OutputSize = OutputSize.A4PortraitSheet;
using MetafileCanvas canvas = new MetafileCanvas(QRBill.A4PortraitWidth, QRBill.A4PortraitHeight, "Helvetica, Arial, \"Liberation Sans\"");
QRBill.Draw(bill, canvas);
EmfMetaInfo metaInfo = new EmfMetaInfo(canvas.ToByteArray());
Assert.Equal(257, metaInfo.NumRecords);
var scale = metaInfo.Dpi / 25.4f;
// Returns the frame in pixels
var frame = metaInfo.GetFrame();
Assert.Equal(0, frame.Left);
Assert.Equal(0, frame.Top);
int expectedWidth = (int)(QRBill.A4PortraitWidth * scale);
Assert.InRange(frame.Right, expectedWidth - 2, expectedWidth + 2);
int expectedHeight = (int)(QRBill.A4PortraitHeight * scale);
Assert.InRange(frame.Bottom, expectedHeight - 2, expectedHeight + 2);
}
