Python QPrinter.printerName方法代码示例

# 需要导入模块: from PyQt5.QtPrintSupport import QPrinter [as 别名]
# 或者: from PyQt5.QtPrintSupport.QPrinter import printerName [as 别名]
 def __printImage(self):
     """
     Private slot to handle the Print Image menu action.
     """
     if self.mainWidget is None:
         E5MessageBox.critical(
             self,
             self.tr("Print Image"),
             self.tr("""There is no UI file loaded."""))
         return
     
     settings = Preferences.Prefs.settings
     printer = QPrinter(QPrinter.HighResolution)
     printer.setFullPage(True)
     
     printerName = Preferences.getPrinter("UIPreviewer/printername")
     if printerName:
         printer.setPrinterName(printerName)
     printer.setPageSize(
         QPrinter.PageSize(int(settings.value("UIPreviewer/pagesize"))))
     printer.setPageOrder(
         QPrinter.PageOrder(int(settings.value("UIPreviewer/pageorder"))))
     printer.setOrientation(QPrinter.Orientation(
         int(settings.value("UIPreviewer/orientation"))))
     printer.setColorMode(
         QPrinter.ColorMode(int(settings.value("UIPreviewer/colormode"))))
     
     printDialog = QPrintDialog(printer, self)
     if printDialog.exec_() == QDialog.Accepted:
         self.statusBar().showMessage(self.tr("Printing the image..."))
         self.__print(printer)
         
         settings.setValue("UIPreviewer/printername", printer.printerName())
         settings.setValue("UIPreviewer/pagesize", printer.pageSize())
         settings.setValue("UIPreviewer/pageorder", printer.pageOrder())
         settings.setValue("UIPreviewer/orientation", printer.orientation())
         settings.setValue("UIPreviewer/colormode", printer.colorMode())
     
     self.statusBar().showMessage(
         self.tr("Image sent to printer..."), 2000)

# 需要导入模块: from PyQt5.QtPrintSupport import QPrinter [as 别名]
# 或者: from PyQt5.QtPrintSupport.QPrinter import printerName [as 别名]
class PrinterPyQt5(Printer):

    def __init__(self, page_size, print_pdf=False):

        super().__init__(page_size)

        self._printer = QPrinter(QPrinter.HighResolution)
        self._printer.setPageSize(QtGui.QPageSize(QtCore.QSizeF(*page_size),
                                                  QtGui.QPageSize.Millimeter))
        self._printer.setColorMode(QPrinter.Color)

        logging.info('Using printer "%s"', self._printer.printerName())

        self._print_pdf = print_pdf
        if self._print_pdf:
            logging.info('Using PDF printer')
            self._counter = 0
            self._printer.setOutputFormat(QPrinter.PdfFormat)
            self._printer.setFullPage(True)

    def print(self, picture):

        if self._print_pdf:
            self._printer.setOutputFileName('print_%d.pdf' % self._counter)
            self._counter += 1

        logging.info('Printing picture')

        picture = picture.scaled(self._printer.paperRect().size(),
                                 QtCore.Qt.KeepAspectRatio,
                                 QtCore.Qt.SmoothTransformation)

        printable_size = self._printer.pageRect(QPrinter.DevicePixel)
        origin = ((printable_size.width() - picture.width()) // 2,
                  (printable_size.height() - picture.height()) // 2)

        painter = QtGui.QPainter(self._printer)
        painter.drawImage(QtCore.QPoint(*origin), picture)
        painter.end()

# 需要导入模块: from PyQt5.QtPrintSupport import QPrinter [as 别名]
# 或者: from PyQt5.QtPrintSupport.QPrinter import printerName [as 别名]
    def print_webpage(self):
        """Print the webpage to a printer.

        Callback for the print action.
        Should show a print dialog and print the webpage to the printer.
        """
        print_settings = self.config.get("print_settings", {})

        if print_settings.get("mode") == "high":
            printer = QPrinter(mode=QPrinter.HighResolution)
        else:
            printer = QPrinter(mode=QPrinter.ScreenResolution)

        # set which printer
        # FIXME: This isn't documented, because it doesn't seem to work...
        if print_settings.get("printer_name"):
            debug(
                "Setting printer to: {}".format(
                    print_settings.get("printer_name"))
            )
            printer.setPrinterName(print_settings.get("printer_name"))
            debug("Printer is now: {}".format(printer.printerName()))

        # Set the units
        unit_name = print_settings.get("size_unit", 'Millimeter').title()
        try:
            unit = getattr(QPrinter, unit_name)
        except AttributeError:
            debug(
                "Specified print size unit '{}' not found, using default."
                .format(unit_name)
            )
            unit = QPrinter.Millimeter

        # Set the margins
        margins = list(
            print_settings.get("margins", printer.getPageMargins(unit))
        )
        margins.append(unit)
        printer.setPageMargins(*margins)

        # Set the Orientation
        orientation = print_settings.get("orientation", 'Portrait').title()
        printer.setOrientation(
            getattr(QPrinter, orientation, QPrinter.Portrait)
        )

        # Set the paper size
        paper_size = print_settings.get("paper_size")
        if type(paper_size) in (list, tuple):
            # Assume it's a width/height spec
            printer.setPaperSize(QSizeF(*paper_size), unit)
        elif paper_size is not None:  # Assume it's a size name
            printer.setPaperSize(getattr(QPrinter, paper_size, 'AnsiA'))
        # If paper_size is None, we just leave it at the printer's default

        # Set the resolution
        resolution = print_settings.get("resolution")
        if resolution:
            printer.setResolution(int(resolution))

        # Show a print dialog, unless we want silent printing
        if not print_settings.get("silent"):
            print_dialog = QPrintDialog(printer, self)
            print_dialog.setWindowTitle("Print Page")
            if not print_dialog.exec_() == QDialog.Accepted:
                return False

        self.print_(printer)
        return True