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QPrinter printer;
// printer setup


QTextDocument* printDocumentPtr = CreateDocumentForPrint(printer);

printDocumentPtr->print(&printer);

delete printDocumentPtr;

// hier die Imlementierung von CreateDocumentForPrint

QTextDocument* MyClass::CreateDocumentToPrint(QPrinter& printer) const
{
// m_report ist vom Typ QTextDocument
	QTextDocument* outputPtr = m_report.clone();
	qel_ASSERT(outputPtr != NULL);

	QPainter p(&printer);

	QAbstractTextDocumentLayout* layout = outputPtr->documentLayout();
	layout->setPaintDevice(p.device());

	const int dpiy = p.device()->logicalDpiY();

	const int margin = (int) ((2/2.54)*dpiy); // 2 cm margins
	
	QTextFrameFormat fmt = outputPtr->rootFrame()->frameFormat();
	
	fmt.setMargin(margin);
	
	outputPtr->rootFrame()->setFrameFormat(fmt);

	QRectF body = QRectF(0, 0, p.device()->width(), p.device()->height());

	QFont font(outputPtr->defaultFont());
	font.setPointSize(10); // we define 10pt to be a nice base size for printing
	outputPtr->setDefaultFont(font);
	outputPtr->setPageSize(body.size());

	return outputPtr;
}