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diff --git a/src/extras/Private/qquickcircularprogressbar.cpp b/src/extras/Private/qquickcircularprogressbar.cpp
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+++ b/src/extras/Private/qquickcircularprogressbar.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Extras module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qquickcircularprogressbar_p.h"
+
+#include <QtGui/QPen>
+#include <QtGui/QPainter>
+#include <QtMath>
+
+QQuickCircularProgressBar::QQuickCircularProgressBar(QQuickItem *parent) :
+    QQuickPaintedItem(parent),
+    mProgress(0),
+    mBarWidth(1),
+    mInset(0),
+    mBackgroundColor(QColor(Qt::transparent)),
+    mMinimumValueAngle(-90 * 16),
+    mMaximumValueAngle(-450 * 16)
+{
+    setFlag(ItemHasContents, true);
+}
+
+QQuickCircularProgressBar::~QQuickCircularProgressBar()
+{
+}
+
+void QQuickCircularProgressBar::paint(QPainter *painter)
+{
+    QPen pen(Qt::red);
+    pen.setWidthF(mBarWidth);
+
+    const QRectF bounds = boundingRect();
+    const qreal smallest = qMin(bounds.width(), bounds.height());
+    QRectF rect = QRectF(pen.widthF() / 2.0, pen.widthF() / 2.0, smallest - pen.widthF(), smallest - pen.widthF());
+    rect.adjust(mInset, mInset, -mInset, -mInset);
+
+    // Make sure the arc is aligned to whole pixels.
+    if (rect.x() - int(rect.x()) > 0) {
+        rect.setX(qCeil(rect.x()));
+    }
+    if (rect.y() - int(rect.y()) > 0) {
+        rect.setY(qCeil(rect.y()));
+    }
+    if (rect.width() - int(rect.width()) > 0) {
+        rect.setWidth(qFloor(rect.width()));
+    }
+    if (rect.height() - int(rect.height()) > 0) {
+        rect.setHeight(qFloor(rect.height()));
+    }
+
+    painter->setRenderHint(QPainter::Antialiasing);
+
+    // QPainter::drawArc uses positive values for counter clockwise - the opposite of our API -
+    // so we must reverse the angles with * -1. Also, our angle origin is at 12 o'clock, whereas
+    // QPainter's is 3 o'clock, hence - 90.
+    const qreal startAngle = ((mMinimumValueAngle - 90) * -1) * 16;
+    if (mBackgroundColor != Qt::transparent) {
+        QBrush bgBrush(mBackgroundColor);
+        QPen bgPen;
+        bgPen.setWidthF(mBarWidth);
+        bgPen.setBrush(bgBrush);
+        painter->setPen(bgPen);
+        painter->drawArc(rect, startAngle, (((mMaximumValueAngle - 90) * -1 * 16) - startAngle));
+    }
+
+    QLinearGradient gradient;
+    gradient.setStart(bounds.width() / 2, mInset);
+    gradient.setFinalStop(bounds.width() / 2, bounds.height() - mInset);
+    gradient.setStops(mGradientStops);
+
+    QBrush brush(gradient);
+    pen.setBrush(brush);
+
+    painter->setPen(pen);
+
+    const qreal spanAngle = progress() * (((mMaximumValueAngle - 90) * -1 * 16) - startAngle);
+    painter->drawArc(rect, startAngle, spanAngle);
+}
+
+qreal QQuickCircularProgressBar::progress() const
+{
+    return mProgress;
+}
+
+void QQuickCircularProgressBar::setProgress(qreal progress)
+{
+    if (mProgress != progress) {
+        mProgress = progress;
+        emit progressChanged(mProgress);
+        update();
+    }
+}
+
+qreal QQuickCircularProgressBar::barWidth() const
+{
+    return mBarWidth;
+}
+
+void QQuickCircularProgressBar::setBarWidth(qreal barWidth)
+{
+    if (mBarWidth != barWidth) {
+        mBarWidth = barWidth;
+        emit barWidthChanged(mBarWidth);
+        update();
+    }
+}
+
+qreal QQuickCircularProgressBar::inset() const
+{
+    return mInset;
+}
+
+void QQuickCircularProgressBar::setInset(qreal inset)
+{
+    if (mInset != inset) {
+        mInset = inset;
+        emit insetChanged(mInset);
+        update();
+    }
+}
+
+qreal QQuickCircularProgressBar::minimumValueAngle() const
+{
+    return mMinimumValueAngle;
+}
+
+void QQuickCircularProgressBar::setMinimumValueAngle(qreal minimumValueAngle)
+{
+    if (mMinimumValueAngle != minimumValueAngle) {
+        mMinimumValueAngle = minimumValueAngle;
+        emit minimumValueAngleChanged(mMinimumValueAngle);
+        update();
+    }
+}
+
+qreal QQuickCircularProgressBar::maximumValueAngle() const
+{
+    return mMinimumValueAngle;
+}
+
+void QQuickCircularProgressBar::setMaximumValueAngle(qreal maximumValueAngle)
+{
+    if (mMaximumValueAngle != maximumValueAngle) {
+        mMaximumValueAngle = maximumValueAngle;
+        emit maximumValueAngleChanged(mMaximumValueAngle);
+        update();
+    }
+}
+
+void QQuickCircularProgressBar::clearStops()
+{
+    mGradientStops.clear();
+}
+
+void QQuickCircularProgressBar::addStop(qreal position, const QColor &color)
+{
+    mGradientStops.append(QGradientStop(position, color));
+}
+
+void QQuickCircularProgressBar::redraw()
+{
+    update();
+}
+
+QColor QQuickCircularProgressBar::backgroundColor() const
+{
+    return mBackgroundColor;
+}
+
+void QQuickCircularProgressBar::setBackgroundColor(const QColor &backgroundColor)
+{
+    if (mBackgroundColor != backgroundColor) {
+        mBackgroundColor = backgroundColor;
+        emit backgroundColorChanged(backgroundColor);
+        update();
+    }
+}