text: /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the QtGui module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
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  ** information use the contact form at http://www.qt.io/contact-us.
  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 2.1 or version 3 as published by the Free
  ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
  ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
  ** following information to ensure the GNU Lesser General Public License
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  ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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  ** As a special exception, The Qt Company gives you certain additional
  ** rights. These rights are described in The Qt Company LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QPRINTENGINE_H
  #define QPRINTENGINE_H
  
  #include <QtCore/qvariant.h>
  #include <QtPrintSupport/qprinter.h>
  
  Q_DECLARE_METATYPE(QMarginsF)
  
  QT_BEGIN_NAMESPACE
  
  
  #ifndef QT_NO_PRINTER
  
  class Q_PRINTSUPPORT_EXPORT QPrintEngine
  {
  public:
      virtual ~QPrintEngine() {}
      enum PrintEnginePropertyKey {
          PPK_CollateCopies,
          PPK_ColorMode,
          PPK_Creator,
          PPK_DocumentName,
          PPK_FullPage,
          PPK_NumberOfCopies,
          PPK_Orientation,
          PPK_OutputFileName,
          PPK_PageOrder,
          PPK_PageRect,
          PPK_PageSize,
          PPK_PaperRect,
          PPK_PaperSource,
          PPK_PrinterName,
          PPK_PrinterProgram,
          PPK_Resolution,
          PPK_SelectionOption,
          PPK_SupportedResolutions,
  
          PPK_WindowsPageSize,
          PPK_FontEmbedding,
  
          PPK_Duplex,
  
          PPK_PaperSources,
          PPK_CustomPaperSize,
          PPK_PageMargins,
          PPK_CopyCount,
          PPK_SupportsMultipleCopies,
          PPK_PaperName,
          PPK_QPageSize,
          PPK_QPageMargins,
          PPK_QPageLayout,
          PPK_PaperSize = PPK_PageSize,
  
          PPK_CustomBase = 0xff00
      };
  
      virtual void setProperty(PrintEnginePropertyKey key, const QVariant &value) = 0;
      virtual QVariant property(PrintEnginePropertyKey key) const = 0;
  
      virtual bool newPage() = 0;
      virtual bool abort() = 0;
  
      virtual int metric(QPaintDevice::PaintDeviceMetric) const = 0;
  
      virtual QPrinter::PrinterState printerState() const = 0;
  };
  
  #endif // QT_NO_PRINTER
  
  QT_END_NAMESPACE
  
  #endif // QPRINTENGINE_H
  