pieslice.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** 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 Nokia Corporation and its Subsidiary(-ies) 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(QDeclarativeItem *parent)
     : QDeclarativeItem(parent)
 {
     // need to disable this flag to draw inside a QDeclarativeItem
     setFlag(QGraphicsItem::ItemHasNoContents, false);
 }

 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, const QStyleOptionGraphicsItem *, QWidget *)
 {
     QPen pen(m_color, 2);
     painter->setPen(pen);
     painter->setRenderHints(QPainter::Antialiasing, true);
     painter->drawPie(boundingRect(), m_fromAngle * 16, m_angleSpan * 16);
 }