text: /****************************************************************************
  **
  ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
  ** Contact: http://www.qt-project.org/legal
  **
  ** This file is part of the QtGui module of the Qt Toolkit.
  **
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  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
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  ** Alternatively, this file may be used under the terms of the GNU Lesser
  ** General Public License version 2.1 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPL included in the
  ** packaging of this file.  Please review the following information to
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  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3.0 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.GPL included in the
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  ****************************************************************************/
  
  #ifndef QEMULATIONPAINTENGINE_P_H
  #define QEMULATIONPAINTENGINE_P_H
  
  //
  //  W A R N I N G
  //  -------------
  //
  // This file is not part of the Qt API.  It exists purely as an
  // implementation detail.  This header file may change from version to
  // version without notice, or even be removed.
  //
  // We mean it.
  //
  
  #include <private/qpaintengineex_p.h>
  
  QT_BEGIN_HEADER
  
  QT_BEGIN_NAMESPACE
  
  QT_MODULE(Gui)
  
  class QEmulationPaintEngine : public QPaintEngineEx
  {
  public:
      QEmulationPaintEngine(QPaintEngineEx *engine);
      
      virtual bool begin(QPaintDevice *pdev);
      virtual bool end();
      
      virtual Type type() const;
      virtual QPainterState *createState(QPainterState *orig) const;
  
      virtual void fill(const QVectorPath &path, const QBrush &brush);
      virtual void stroke(const QVectorPath &path, const QPen &pen);
      virtual void clip(const QVectorPath &path, Qt::ClipOperation op);
  
      virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
      virtual void drawTextItem(const QPointF &p, const QTextItem &textItem);
      virtual void drawStaticTextItem(QStaticTextItem *item);
      virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
      virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags);
  
      virtual void drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap,
                                       QPainter::PixmapFragmentHints hints);
      virtual void drawPixmapFragments(const QRectF *targetRects, const QRectF *sourceRects, int fragmentCount, const QPixmap &pixmap,
                                       QPainter::PixmapFragmentHints hints);
      
      virtual void clipEnabledChanged();
      virtual void penChanged();
      virtual void brushChanged();
      virtual void brushOriginChanged();
      virtual void opacityChanged();
      virtual void compositionModeChanged();
      virtual void renderHintsChanged();
      virtual void transformChanged();
  
      virtual void setState(QPainterState *s);
  
      virtual void beginNativePainting();
      virtual void endNativePainting();
  
      virtual uint flags() const {return QPaintEngineEx::IsEmulationEngine | QPaintEngineEx::DoNotEmulate;}
  
      inline QPainterState *state() { return (QPainterState *)QPaintEngine::state; }
      inline const QPainterState *state() const { return (const QPainterState *)QPaintEngine::state; }
  
      QPaintEngineEx *real_engine;
  private:
      void fillBGRect(const QRectF &r);
  };
  
  QT_END_NAMESPACE
  
  QT_END_HEADER
  
  #endif
  