# xorblender.h Example File | Qt Quick 5.8

Qt 5.8 | Qt Quick | Scene Graph - Two Texture Providers | xorblender.h Example File

Qt 5.8.0 Reference Documentation

# xorblender.h Example File

scenegraph/twotextureproviders/xorblender.h

      /****************************************************************************
      **
      ** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
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      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
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      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
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      #ifndef XORBLENDER_H
      #define XORBLENDER_H

      #include <QQuickItem>

      class XorBlender : public QQuickItem
      {
          Q_OBJECT
          Q_PROPERTY(QQuickItem *source1 READ source1 WRITE setSource1 NOTIFY source1Changed)
          Q_PROPERTY(QQuickItem *source2 READ source2 WRITE setSource2 NOTIFY source2Changed)

      public:
          explicit XorBlender(QQuickItem *parent = 0);

          QQuickItem *source1() const { return m_source1; }
          QQuickItem *source2() const { return m_source2; }

          void setSource1(QQuickItem *i);
          void setSource2(QQuickItem *i);

      protected:
          QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

      signals:
          void source1Changed(QQuickItem *item);
          void source2Changed(QQuickItem *item);

      private:
          QQuickItem *m_source1;
          QQuickItem *m_source2;

          bool m_source1Changed;
          bool m_source2Changed;
      };

      #endif // XORBLENDER_H