ac8011c161
The Main Window example generates icons programmatically for its toolbars. However, these icons are shown with low resolution in a high-DPI display because the application is not enabling high-DPI pixmap support. Change-Id: Id763b707105d02f63162fff2efeb607eb5b59ed1 Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
197 lines
8.5 KiB
C++
197 lines
8.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "mainwindow.h"
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#include <QApplication>
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#include <QPainterPath>
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#include <QPainter>
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#include <QMap>
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#include <QDebug>
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void render_qt_text(QPainter *painter, int w, int h, const QColor &color)
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{
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QPainterPath path;
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path.moveTo(-0.083695, 0.283849);
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path.cubicTo(-0.049581, 0.349613, -0.012720, 0.397969, 0.026886, 0.428917);
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path.cubicTo(0.066493, 0.459865, 0.111593, 0.477595, 0.162186, 0.482108);
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path.lineTo(0.162186, 0.500000);
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path.cubicTo(0.115929, 0.498066, 0.066565, 0.487669, 0.014094, 0.468810);
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path.cubicTo(-0.038378, 0.449952, -0.088103, 0.423839, -0.135082, 0.390474);
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path.cubicTo(-0.182061, 0.357108, -0.222608, 0.321567, -0.256722, 0.283849);
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path.cubicTo(-0.304712, 0.262250, -0.342874, 0.239362, -0.371206, 0.215184);
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path.cubicTo(-0.411969, 0.179078, -0.443625, 0.134671, -0.466175, 0.081963);
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path.cubicTo(-0.488725, 0.029255, -0.500000, -0.033043, -0.500000, -0.104932);
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path.cubicTo(-0.500000, -0.218407, -0.467042, -0.312621, -0.401127, -0.387573);
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path.cubicTo(-0.335212, -0.462524, -0.255421, -0.500000, -0.161752, -0.500000);
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path.cubicTo(-0.072998, -0.500000, 0.003903, -0.462444, 0.068951, -0.387331);
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path.cubicTo(0.133998, -0.312218, 0.166522, -0.217440, 0.166522, -0.102998);
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path.cubicTo(0.166522, -0.010155, 0.143394, 0.071325, 0.097138, 0.141441);
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path.cubicTo(0.050882, 0.211557, -0.009396, 0.259026, -0.083695, 0.283849);
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path.moveTo(-0.167823, -0.456963);
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path.cubicTo(-0.228823, -0.456963, -0.277826, -0.432624, -0.314831, -0.383946);
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path.cubicTo(-0.361665, -0.323340, -0.385082, -0.230335, -0.385082, -0.104932);
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path.cubicTo(-0.385082, 0.017569, -0.361376, 0.112025, -0.313964, 0.178433);
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path.cubicTo(-0.277248, 0.229368, -0.228534, 0.254836, -0.167823, 0.254836);
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path.cubicTo(-0.105088, 0.254836, -0.054496, 0.229368, -0.016045, 0.178433);
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path.cubicTo(0.029055, 0.117827, 0.051605, 0.028691, 0.051605, -0.088975);
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path.cubicTo(0.051605, -0.179562, 0.039318, -0.255803, 0.014744, -0.317698);
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path.cubicTo(-0.004337, -0.365409, -0.029705, -0.400548, -0.061362, -0.423114);
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path.cubicTo(-0.093018, -0.445680, -0.128505, -0.456963, -0.167823, -0.456963);
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path.moveTo(0.379011, -0.404739);
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path.lineTo(0.379011, -0.236460);
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path.lineTo(0.486123, -0.236460);
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path.lineTo(0.486123, -0.197292);
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path.lineTo(0.379011, -0.197292);
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path.lineTo(0.379011, 0.134913);
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path.cubicTo(0.379011, 0.168117, 0.383276, 0.190442, 0.391804, 0.201886);
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path.cubicTo(0.400332, 0.213330, 0.411246, 0.219052, 0.424545, 0.219052);
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path.cubicTo(0.435531, 0.219052, 0.446227, 0.215264, 0.456635, 0.207689);
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path.cubicTo(0.467042, 0.200113, 0.474993, 0.188910, 0.480486, 0.174081);
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path.lineTo(0.500000, 0.174081);
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path.cubicTo(0.488436, 0.210509, 0.471957, 0.237911, 0.450564, 0.256286);
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path.cubicTo(0.429170, 0.274662, 0.407054, 0.283849, 0.384215, 0.283849);
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path.cubicTo(0.368893, 0.283849, 0.353859, 0.279094, 0.339115, 0.269584);
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path.cubicTo(0.324371, 0.260074, 0.313530, 0.246534, 0.306592, 0.228965);
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path.cubicTo(0.299653, 0.211396, 0.296184, 0.184075, 0.296184, 0.147002);
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path.lineTo(0.296184, -0.197292);
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path.lineTo(0.223330, -0.197292);
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path.lineTo(0.223330, -0.215667);
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path.cubicTo(0.241833, -0.224049, 0.260697, -0.237992, 0.279922, -0.257495);
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path.cubicTo(0.299147, -0.276999, 0.316276, -0.300129, 0.331310, -0.326886);
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path.cubicTo(0.338826, -0.341070, 0.349523, -0.367021, 0.363400, -0.404739);
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path.lineTo(0.379011, -0.404739);
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path.moveTo(-0.535993, 0.275629);
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painter->translate(w / 2, h / 2);
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double scale = qMin(w, h) * 8 / 10.0;
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painter->scale(scale, scale);
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painter->setRenderHint(QPainter::Antialiasing);
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painter->save();
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painter->translate(.1, .1);
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painter->fillPath(path, QColor(0, 0, 0, 63));
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painter->restore();
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painter->setBrush(color);
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painter->setPen(QPen(Qt::black, 0.02, Qt::SolidLine, Qt::FlatCap, Qt::RoundJoin));
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painter->drawPath(path);
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}
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static void usage()
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{
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qWarning() << "Usage: mainwindow [-SizeHint<color> <width>x<height>] ...";
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exit(1);
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}
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enum ParseCommandLineArgumentsResult {
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CommandLineArgumentsOk,
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CommandLineArgumentsError,
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HelpRequested
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};
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static ParseCommandLineArgumentsResult
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parseCustomSizeHints(const QStringList &arguments, MainWindow::CustomSizeHintMap *result)
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{
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result->clear();
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const int argumentCount = arguments.size();
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for (int i = 1; i < argumentCount; ++i) {
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const QString &arg = arguments.at(i);
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if (arg.startsWith(QLatin1String("-SizeHint"))) {
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const QString name = arg.mid(9);
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if (name.isEmpty())
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return CommandLineArgumentsError;
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if (++i == argumentCount)
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return CommandLineArgumentsError;
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const QString sizeStr = arguments.at(i);
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const int idx = sizeStr.indexOf(QLatin1Char('x'));
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if (idx == -1)
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return CommandLineArgumentsError;
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bool ok;
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const int w = sizeStr.leftRef(idx).toInt(&ok);
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if (!ok)
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return CommandLineArgumentsError;
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const int h = sizeStr.midRef(idx + 1).toInt(&ok);
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if (!ok)
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return CommandLineArgumentsError;
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result->insert(name, QSize(w, h));
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} else if (arg == QLatin1String("-h") || arg == QLatin1String("--help")) {
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return HelpRequested;
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} else {
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return CommandLineArgumentsError;
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}
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}
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return CommandLineArgumentsOk;
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}
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int main(int argc, char **argv)
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{
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QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
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QApplication app(argc, argv);
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MainWindow::CustomSizeHintMap customSizeHints;
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switch (parseCustomSizeHints(QCoreApplication::arguments(), &customSizeHints)) {
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case CommandLineArgumentsOk:
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break;
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case CommandLineArgumentsError:
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usage();
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return -1;
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case HelpRequested:
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usage();
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return 0;
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}
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MainWindow mainWin(customSizeHints);
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mainWin.resize(800, 600);
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mainWin.show();
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return app.exec();
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}
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