05fc3aef53
Replace the current license disclaimer in files by a SPDX-License-Identifier. Files that have to be modified by hand are modified. License files are organized under LICENSES directory. Task-number: QTBUG-67283 Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Lars Knoll <lars.knoll@qt.io> Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
124 lines
2.2 KiB
C++
124 lines
2.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtGui>
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#include "rasterwindow.h"
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//! [5]
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class AnalogClockWindow : public RasterWindow
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{
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public:
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AnalogClockWindow();
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protected:
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void timerEvent(QTimerEvent *) override;
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void render(QPainter *p) override;
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private:
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int m_timerId;
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};
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//! [5]
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//! [6]
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AnalogClockWindow::AnalogClockWindow()
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{
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setTitle("Analog Clock");
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resize(200, 200);
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m_timerId = startTimer(1000);
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}
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//! [6]
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//! [7]
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void AnalogClockWindow::timerEvent(QTimerEvent *event)
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{
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if (event->timerId() == m_timerId)
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renderLater();
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}
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//! [7]
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//! [1] //! [14]
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void AnalogClockWindow::render(QPainter *p)
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{
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//! [14]
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//! [8]
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static const QPoint hourHand[3] = {
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QPoint(7, 8),
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QPoint(-7, 8),
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QPoint(0, -40)
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};
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static const QPoint minuteHand[3] = {
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QPoint(7, 8),
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QPoint(-7, 8),
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QPoint(0, -70)
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};
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QColor hourColor(127, 0, 127);
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QColor minuteColor(0, 127, 127, 191);
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//! [8]
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//! [9]
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p->setRenderHint(QPainter::Antialiasing);
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//! [9] //! [10]
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p->translate(width() / 2, height() / 2);
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int side = qMin(width(), height());
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p->scale(side / 200.0, side / 200.0);
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//! [1] //! [10]
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//! [11]
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p->setPen(Qt::NoPen);
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p->setBrush(hourColor);
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//! [11]
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//! [2]
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QTime time = QTime::currentTime();
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p->save();
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p->rotate(30.0 * ((time.hour() + time.minute() / 60.0)));
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p->drawConvexPolygon(hourHand, 3);
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p->restore();
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//! [2]
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//! [12]
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p->setPen(hourColor);
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for (int i = 0; i < 12; ++i) {
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p->drawLine(88, 0, 96, 0);
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p->rotate(30.0);
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}
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//! [12] //! [13]
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p->setPen(Qt::NoPen);
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p->setBrush(minuteColor);
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//! [13]
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//! [3]
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p->save();
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p->rotate(6.0 * (time.minute() + time.second() / 60.0));
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p->drawConvexPolygon(minuteHand, 3);
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p->restore();
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//! [3]
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//! [4]
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p->setPen(minuteColor);
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for (int j = 0; j < 60; ++j) {
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if ((j % 5) != 0)
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p->drawLine(92, 0, 96, 0);
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p->rotate(6.0);
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}
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//! [4]
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}
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int main(int argc, char **argv)
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{
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QGuiApplication app(argc, argv);
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AnalogClockWindow clock;
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clock.show();
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return app.exec();
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}
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