/// <summary>
/// Resize and export the bitmap image as pdf
/// </summary>
private void ExportToPdf(int width, int height)
{
//get the bitmap of the requested sizes
Bitmap btm = Printprimitives(width, height);
try
{
//new pdf doc
PdfDocument doc = new PdfDocument();
doc.Pages.Add(new PdfPage());
XGraphics xgr = XGraphics.FromPdfPage(doc.Pages[0]);
XImage img;
//get the bitmap and save it as pdf doc
string tempfile = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName().Replace(".", "") + ".bmp");
btm.Save(tempfile);
img = XBitmapImage.FromFile(tempfile);
string name = Path.GetRandomFileName() + ".pdf";
xgr.DrawImage(img, 0, 0);
doc.Save(name);
doc.Close();
btm.Dispose();
img.Dispose();
MessageBox.Show($"File saved in the app directory with name {name}");
//delete temp file
File.Delete(tempfile);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static XImage ImageToByte2(RenderTargetBitmap renderTargetBitmap)
{
var bitmapImage = new BitmapImage();
var bitmapEncoder = new PngBitmapEncoder();
bitmapEncoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
using (var stream = new MemoryStream())
{
bitmapEncoder.Save(stream);
stream.Seek(0, SeekOrigin.Begin);
return(XBitmapImage.FromStream(stream));
}
}
