364c409e9f
Create QString at compile time using the literal operator""s instead of using pointers to characters. This way, no conversion or allocation will occur at runtime. Task-number: QTBUG-108861 Pick-to: 6.5 Change-Id: I4fb51d74abbbfa08fb9fddfa90d8afcebd82a7e2 Reviewed-by: Ivan Solovev <ivan.solovev@qt.io> (cherry picked from commit ae0d545d31b480ca65e93e5af5f4649caabaa683) Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include "mandelbrotwidget.h"
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#include <QApplication>
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#include <QScreen>
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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#include <QDebug>
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#include <QRect>
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using namespace Qt::StringLiterals;
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//! [0]
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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QCommandLineParser parser;
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parser.setApplicationDescription(u"Qt Mandelbrot Example"_s);
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parser.addHelpOption();
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parser.addVersionOption();
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QCommandLineOption passesOption(u"passes"_s, u"Number of passes (1-8)"_s, u"passes"_s);
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parser.addOption(passesOption);
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parser.process(app);
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if (parser.isSet(passesOption)) {
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const auto passesStr = parser.value(passesOption);
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bool ok;
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const int passes = passesStr.toInt(&ok);
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if (!ok || passes < 1 || passes > 8) {
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qWarning() << "Invalid value:" << passesStr;
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return -1;
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}
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RenderThread::setNumPasses(passes);
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}
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MandelbrotWidget widget;
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widget.grabGesture(Qt::PinchGesture);
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widget.show();
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return app.exec();
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}
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//! [0]
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