def paintEvent(self, event): self._painter = QtGui.QPainter() self._painter.begin(self) self._painter.fillRect(0, 0, self.width(), self.height(), self._bgColor) os.environ["GKSconid"] = getGKSConnectionId(self, self._painter) self.draw(self._clear, self._update) gr.updatews() self._painter.end()
def printDialog(self, documentName="qtgr-untitled"): printer = QtGui.QPrinter(QtGui.QPrinter.HighResolution) printer.setDocName(documentName) painter = QtGui.QPainter() dlg = QtGui.QPrintDialog(printer) if dlg.exec_() == QtGui.QPrintDialog.Accepted: painter.begin(printer) os.environ["GKSconid"] = getGKSConnectionId(self, painter) # upscaling to paper size and # alignment (horizontal and vertical centering) xscale = printer.pageRect().width() / float(self.width()) yscale = printer.pageRect().height() / float(self.height()) scale = min(xscale, yscale) painter.translate( printer.paperRect().x() + printer.pageRect().width() / 2, printer.paperRect().y() + printer.pageRect().height() / 2) painter.scale(scale, scale) painter.translate(-self.width() / 2, -self.height() / 2) self.draw(True) gr.updatews() painter.end()
def printDialog(self, documentName="qtgr-untitled"): printer = QPrinter(QPrinter.HighResolution) printer.setDocName(documentName) painter = QPainter() dlg = QPrintDialog(printer) if dlg.exec_() == QPrintDialog.Accepted: painter.begin(printer) os.environ["GKSconid"] = getGKSConnectionId(self, painter) # upscaling to paper size and # alignment (horizontal and vertical centering) xscale = printer.pageRect().width() / float(self.width()) yscale = printer.pageRect().height() / float(self.height()) scale = min(xscale, yscale) painter.translate(printer.paperRect().x() + printer.pageRect().width() / 2, printer.paperRect().y() + printer.pageRect().height() / 2) painter.scale(scale, scale) painter.translate(-self.width() / 2, -self.height() / 2) gr.clearws() self.draw() gr.updatews() painter.end()