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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "tools/flicker_test/setup.h"
#include <QCompleter>
#include <QFileDialog>
#include <QFileSystemModel>
#include <QMessageBox>
#include <QPushButton>
namespace jxl {
FlickerTestWizard::FlickerTestWizard(QWidget* const parent)
: QWizard(parent), settings_("JPEG XL project", "Flickering test") {
ui_.setupUi(this);
connect(ui_.grayFadingTime, SIGNAL(valueChanged(int)), this,
SLOT(updateTotalGrayTime()));
connect(ui_.grayTime, SIGNAL(valueChanged(int)), this,
SLOT(updateTotalGrayTime()));
ui_.timingButtonBox->button(QDialogButtonBox::RestoreDefaults)
->setText(tr("Restore ISO/IEC 29170-2:2015 parameters"));
setButtonText(QWizard::FinishButton, tr("Start test"));
QCompleter* const completer = new QCompleter(this);
QFileSystemModel* const model = new QFileSystemModel(completer);
model->setRootPath("/");
model->setFilter(QDir::Dirs);
completer->setModel(model);
ui_.originalFolder->setCompleter(completer);
ui_.alteredFolder->setCompleter(completer);
const auto parameters = FlickerTestParameters::loadFrom(&settings_);
ui_.originalFolder->setText(parameters.originalFolder);
ui_.alteredFolder->setText(parameters.alteredFolder);
ui_.outputFile->setText(parameters.outputFile);
ui_.advanceTime->setValue(parameters.advanceTimeMSecs);
ui_.viewingTime->setValue(parameters.viewingTimeSecs);
ui_.blankingTime->setValue(parameters.blankingTimeMSecs);
ui_.grayFlickering->setChecked(parameters.gray);
ui_.grayFadingTime->setValue(parameters.grayFadingTimeMSecs);
ui_.grayTime->setValue(parameters.grayTimeMSecs);
ui_.intensityTarget->setValue(parameters.intensityTarget);
ui_.spacing->setValue(parameters.spacing);
QImage white(256, 256, QImage::Format_RGB32);
white.fill(Qt::white);
ui_.spacingDemo->setOriginalImage(white);
ui_.spacingDemo->setAlteredImage(white);
connect(this, &QDialog::accepted,
[&] { this->parameters().saveTo(&settings_); });
}
FlickerTestParameters FlickerTestWizard::parameters() const {
FlickerTestParameters result;
result.originalFolder = ui_.originalFolder->text();
result.alteredFolder = ui_.alteredFolder->text();
result.outputFile = ui_.outputFile->text();
result.advanceTimeMSecs = ui_.advanceTime->value();
result.viewingTimeSecs = ui_.viewingTime->value();
result.blankingTimeMSecs = ui_.blankingTime->value();
result.gray = ui_.grayFlickering->isChecked();
result.grayFadingTimeMSecs = ui_.grayFadingTime->value();
result.grayTimeMSecs = ui_.grayTime->value();
result.intensityTarget = ui_.intensityTarget->value();
result.spacing = ui_.spacing->value();
return result;
}
void FlickerTestWizard::on_originalFolderBrowseButton_clicked() {
const QString path = QFileDialog::getExistingDirectory(
this, tr("Folder with original images"), ui_.originalFolder->text());
if (!path.isEmpty()) {
ui_.originalFolder->setText(path);
}
}
void FlickerTestWizard::on_alteredFolderBrowseButton_clicked() {
const QString path = QFileDialog::getExistingDirectory(
this, tr("Folder with altered images"), ui_.alteredFolder->text());
if (!path.isEmpty()) {
ui_.alteredFolder->setText(path);
}
}
void FlickerTestWizard::on_outputFileBrowseButton_clicked() {
// The overwrite check is disabled here because it is carried out in
// `validateCurrentPage` (called when the user clicks the "Next" button) so
// that it also applies to automatically-reloaded settings.
const QString path = QFileDialog::getSaveFileName(
this, tr("CSV file in which to save the results"), ui_.outputFile->text(),
tr("CSV files (*.csv)"), /*selectedFilter=*/nullptr,
QFileDialog::DontConfirmOverwrite);
if (!path.isEmpty()) {
ui_.outputFile->setText(path);
}
}
void FlickerTestWizard::on_timingButtonBox_clicked(
QAbstractButton* const button) {
if (ui_.timingButtonBox->standardButton(button) ==
QDialogButtonBox::RestoreDefaults) {
ui_.advanceTime->setValue(100);
ui_.viewingTime->setValue(4);
ui_.blankingTime->setValue(250);
ui_.grayFlickering->setChecked(false);
}
}
void FlickerTestWizard::updateTotalGrayTime() {
ui_.totalGrayTimeLabel->setText(
tr("Total gray time: %L1 ms")
.arg(2 * ui_.grayFadingTime->value() + ui_.grayTime->value()));
}
bool FlickerTestWizard::validateCurrentPage() {
if (currentPage() == ui_.pathsPage && QFile::exists(ui_.outputFile->text())) {
QMessageBox messageBox(this);
messageBox.setIcon(QMessageBox::Warning);
messageBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
messageBox.setWindowTitle(tr("Output file already exists"));
messageBox.setText(tr("The selected output file \"%1\" already exists.")
.arg(ui_.outputFile->text()));
messageBox.setInformativeText(tr("Do you wish to overwrite it?"));
if (messageBox.exec() == QMessageBox::Cancel) {
return false;
}
} else if (currentPage() == ui_.timesPage) {
if (ui_.grayFlickering->isChecked() &&
2 * ui_.grayFadingTime->value() + ui_.grayTime->value() >
ui_.advanceTime->value()) {
QMessageBox messageBox(this);
messageBox.setIcon(QMessageBox::Warning);
messageBox.setStandardButtons(QMessageBox::Ok);
messageBox.setWindowTitle(tr("Incompatible times selected"));
messageBox.setText(
tr("The total gray time is greater than the advance time."));
messageBox.exec();
return false;
}
}
return QWizard::validateCurrentPage();
}
} // namespace jxl
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