pieslice.cpp Example File

tutorials/extending-qml/chapter5-listproperties/pieslice.cpp

  /****************************************************************************
  **
  ** 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."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  #include "pieslice.h"

  #include <QPainter>

  PieSlice::PieSlice(QQuickItem *parent)
      : QQuickPaintedItem(parent), m_fromAngle(0), m_angleSpan(0)
  {
  }

  QColor PieSlice::color() const
  {
      return m_color;
  }

  void PieSlice::setColor(const QColor &color)
  {
      m_color = color;
  }

  int PieSlice::fromAngle() const
  {
      return m_fromAngle;
  }

  void PieSlice::setFromAngle(int angle)
  {
      m_fromAngle = angle;
  }

  int PieSlice::angleSpan() const
  {
      return m_angleSpan;
  }

  void PieSlice::setAngleSpan(int angle)
  {
      m_angleSpan = angle;
  }

  void PieSlice::paint(QPainter *painter)
  {
      QPen pen(m_color, 2);
      painter->setPen(pen);
      painter->setRenderHints(QPainter::Antialiasing, true);
      painter->drawPie(boundingRect().adjusted(1, 1, -1, -1), m_fromAngle * 16, m_angleSpan * 16);
  }