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