mirror of https://github.com/qt/qtbase.git
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
// Copyright (C) 2025 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include <QProcess>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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ui->cbWeight->addItem(QStringLiteral("Thin"), QFont::Thin);
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ui->cbWeight->addItem(QStringLiteral("ExtraLight"), QFont::ExtraLight);
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ui->cbWeight->addItem(QStringLiteral("Light"), QFont::Light);
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ui->cbWeight->addItem(QStringLiteral("Normal"), QFont::Normal);
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ui->cbWeight->addItem(QStringLiteral("Medium"), QFont::Medium);
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ui->cbWeight->addItem(QStringLiteral("DemiBold"), QFont::DemiBold);
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ui->cbWeight->addItem(QStringLiteral("Bold"), QFont::Bold);
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ui->cbWeight->addItem(QStringLiteral("ExtraBold"), QFont::ExtraBold);
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ui->cbWeight->addItem(QStringLiteral("Black"), QFont::Black);
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ui->cbWeight->setCurrentIndex(3);
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updateFont();
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connect(ui->sbPixelSize, &QSpinBox::valueChanged, this, &MainWindow::updateFont);
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connect(ui->fontComboBox, &QFontComboBox::currentFontChanged, this, &MainWindow::updateFont);
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connect(ui->rbDefault, &QRadioButton::toggled, this, &MainWindow::updateFont);
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connect(ui->rbGdi, &QRadioButton::toggled, this, &MainWindow::updateFont);
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connect(ui->rbFreetype, &QRadioButton::toggled, this, &MainWindow::updateFont);
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connect(ui->leText, &QLineEdit::textChanged, this, &MainWindow::updateFont);
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connect(ui->cbWeight, &QComboBox::currentIndexChanged, this, &MainWindow::updateFont);
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connect(ui->cbItalic, &QCheckBox::toggled, this, &MainWindow::updateFont);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::updateImage()
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{
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if (m_process == nullptr)
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return;
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QImage img(QStringLiteral("output.png"));
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if (!img.isNull())
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ui->lImage->setPixmap(QPixmap::fromImage(img));
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}
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void MainWindow::updateFont()
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{
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if (m_process == nullptr) {
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m_process = new QProcess;
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connect(m_process, &QProcess::finished, this, &MainWindow::updateImage);
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}
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if (m_process->isOpen())
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m_process->close();
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QString fontEngineName = QStringLiteral("directwrite");
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if (ui->rbGdi->isChecked())
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fontEngineName = QStringLiteral("gdi");
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else if (ui->rbFreetype->isChecked())
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fontEngineName = QStringLiteral("freetype");
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QProcessEnvironment env;
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env.insert(QStringLiteral("QT_QPA_PLATFORM"), QStringLiteral("windows:fontengine=%1").arg(fontEngineName));
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env.insert(QStringLiteral("windir"), qgetenv("windir"));
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m_process->setProcessEnvironment(env);
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QStringList args;
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args.append(ui->fontComboBox->currentFont().family());
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args.append(QString::number(ui->sbPixelSize->value()));
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args.append(ui->leText->text().isEmpty()
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? QStringLiteral("The quick brown fox jumps over the lazy dog")
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: ui->leText->text());
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args.append(QString::number(ui->cbWeight->currentData().toInt()));
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args.append(QString::number(int(ui->cbItalic->isChecked())));
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m_process->start(qApp->arguments().first(), args);
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m_process->waitForFinished();
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}
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