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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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 <QtWidgets>
+
+#include "analogclock.h"
+
+//! [0] //! [1]
+AnalogClock::AnalogClock(QWidget *parent)
+//! [0] //! [2]
+ : QWidget(parent)
+//! [2] //! [3]
+{
+//! [3] //! [4]
+ timer = QTimer(self)
+//! [4] //! [5]
+ self.connect(timer, SIGNAL("timeout()"), self.update)
+//! [5] //! [6]
+ timer.start(1000)
+//! [6]
+
+ setWindowTitle(tr("Analog Clock"));
+ resize(200, 200);
+//! [7]
+}
+//! [1] //! [7]
+
+//! [8] //! [9]
+void AnalogClock::paintEvent(QPaintEvent *)
+//! [8] //! [10]
+{
+ static const QPoint hourHand[3] = {
+ QPoint(7, 8),
+ QPoint(-7, 8),
+ QPoint(0, -40)
+ };
+ static const QPoint minuteHand[3] = {
+ QPoint(7, 8),
+ QPoint(-7, 8),
+ QPoint(0, -70)
+ };
+
+ QColor hourColor(127, 0, 127);
+ QColor minuteColor(0, 127, 127, 191);
+
+ int side = qMin(width(), height());
+ QTime time = QTime::currentTime();
+//! [10]
+
+//! [11]
+ QPainter painter(this);
+//! [11] //! [12]
+ painter.setRenderHint(QPainter::Antialiasing);
+//! [12] //! [13]
+ painter.translate(width() / 2, height() / 2);
+//! [13] //! [14]
+ painter.scale(side / 200.0, side / 200.0);
+//! [9] //! [14]
+
+//! [15]
+ painter.setPen(Qt::NoPen);
+//! [15] //! [16]
+ painter.setBrush(hourColor);
+//! [16]
+
+//! [17] //! [18]
+ painter.save();
+//! [17] //! [19]
+ painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
+ painter.drawConvexPolygon(hourHand, 3);
+ painter.restore();
+//! [18] //! [19]
+
+//! [20]
+ painter.setPen(hourColor);
+//! [20] //! [21]
+
+ for (int i = 0; i < 12; ++i) {
+ painter.drawLine(88, 0, 96, 0);
+ painter.rotate(30.0);
+ }
+//! [21]
+
+//! [22]
+ painter.setPen(Qt::NoPen);
+//! [22] //! [23]
+ painter.setBrush(minuteColor);
+
+//! [24]
+ painter.save();
+ painter.rotate(6.0 * (time.minute() + time.second() / 60.0));
+ painter.drawConvexPolygon(minuteHand, 3);
+ painter.restore();
+//! [23] //! [24]
+
+//! [25]
+ painter.setPen(minuteColor);
+//! [25] //! [26]
+
+//! [27]
+ for (int j = 0; j < 60; ++j) {
+ if ((j % 5) != 0)
+ painter.drawLine(92, 0, 96, 0);
+ painter.rotate(6.0);
+ }
+//! [27]
+}
+//! [26]