Hello! I want to render a widget to a .pdf file, but I ran into a problem.
Qt Code: 
  1. x = (printerResolution / 2.54) * (tableWidth * 2.54) / self.DPI    # widget width
  2.         y = (printerResolution / 2.54) * (tableHeight * 2.54) / self.DPI    # widget height
  3.         printer = QtPrintSupport.QPrinter(QtPrintSupport.QPrinter.HighResolution)
  4.         printer.setOutputFormat(QtPrintSupport.QPrinter.PdfFormat)
  5.         printer.setOrientation(QtPrintSupport.QPrinter.Landscape)
  6.         printer.setOutputFileName(f"example.pdf")
  7.  
  8.         printer.setPageMargins(0, 0, 0, 0, QtPrintSupport.QPrinter.Millimeter)
  9.         printer.setFullPage(True)
  10.         printer.setPageSize(QtPrintSupport.QPrinter.A4)
  11.  
  12.         painter = QPainter()
  13.         painter.begin(printer)
  14.         rect = painter.viewport()
  15.         painter.setViewport(rect.x(), rect.y(), tableWidth, tableHeight)
  16.         painter.setWindow(rect.x(), rect.y(), tableWidth, tableHeight)
  17.  
  18.         xscale = (printer.pageRect().width() / x) * 0.5 # when instead of 0.5 I insert a higher ratio (> 0.5) I get an empty .pdf file
  19.         yscale = (printer.pageRect().height() / y) * 0.5 # same
  20.         print("PAGERECT$", printer.pageRect())
  21.         scale = min(xscale, yscale)
  22.  
  23.         painter.translate(printer.pageRect().topLeft())
  24.         painter.scale(scale, scale)
  25.         self.table.render(painter)
  26.         painter.end()
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Why is the .pdf file drawn only when the coefficient is not more than 5?