Qt 5.6 | Qt QML | Writing QML Extensions with C++ | pieslice.h Example File

Qt 5.6.3 Reference Documentation

# pieslice.h Example File

tutorials/extending-qml/chapter6-plugins/import/pieslice.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the documentation 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.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/
      #ifndef PIESLICE_H
      #define PIESLICE_H

      #include <QtQuick/QQuickPaintedItem>
      #include <QColor>

      class PieSlice : public QQuickPaintedItem
      {
          Q_OBJECT
          Q_PROPERTY(QColor color READ color WRITE setColor)
          Q_PROPERTY(int fromAngle READ fromAngle WRITE setFromAngle)
          Q_PROPERTY(int angleSpan READ angleSpan WRITE setAngleSpan)

      public:
          PieSlice(QQuickItem *parent = 0);

          QColor color() const;
          void setColor(const QColor &color);

          int fromAngle() const;
          void setFromAngle(int angle);

          int angleSpan() const;
          void setAngleSpan(int span);

          void paint(QPainter *painter);

      private:
          QColor m_color;
          int m_fromAngle;
          int m_angleSpan;
      };

      #endif