Error printing image in PyQt

Question

I\'m trying to print a widget in PyQt, but am getting the error that \"QPaintDevice: Cannot destroy paint device that is being painted\". I think the problem is that my meth

Answer 1

I figured out my problem -- I was forgetting to delete the painter, which in hindsight seems obvious (doesn't it always?). Adding "del painter" to the end makes the code work. Here is working code:

def printer(self):
    "Prints the current diagram"
    # Create the printer
    printerobject = QtGui.QPrinter(0)
    # Set the settings
    printdialog = QtGui.QPrintDialog(printerobject)
    if printdialog.exec_() == QtGui.QDialog.Accepted:
        # Print
        pixmapImage = QtGui.QPixmap.grabWidget(self.contentswidget)
        painter = QtGui.QPainter(printerobject)
        painter.drawPixmap(0, 0, pixmapImage)
        del painter