C++ (Cpp) QPrinter::duplex示例

QPrinter::DuplexMode QPrinterProto::duplex() const
{
  QPrinter *item = qscriptvalue_cast<QPrinter*>(thisObject());
  if (item)
    return item->duplex();
  return QPrinter::DuplexNone;
}

示例#2

显示文件

QStringList FilePrinter::optionDoubleSidedPrinting( QPrinter &printer )
{
    switch ( printer.duplex() ) {
    case QPrinter::DuplexNone:       return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=one-sided");
    case QPrinter::DuplexAuto:       if ( printer.orientation() == QPrinter::Landscape ) {
                                         return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
                                     } else {
                                         return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
                                     }
    case QPrinter::DuplexLongSide:   return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
    case QPrinter::DuplexShortSide:  return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
    default:                         return QStringList();  //Use printer default
    }
}