{

setWindowTitle("Generate Color Map");

setWindowIcon(QIcon(":aux/gencolormap-logo-512.png"));

_brewerseq_widget = new ColorMapBrewerSequentialWidget;

_brewerdiv_widget = new ColorMapBrewerDivergingWidget;

_brewerqual_widget = new ColorMapBrewerQualitativeWidget;

_puseq_lightness_widget = new ColorMapPUSequentialLightnessWidget;

_puseq_saturation_widget = new ColorMapPUSequentialSaturationWidget;

_puseq_rainbow_widget = new ColorMapPUSequentialRainbowWidget;

_puseq_blackbody_widget = new ColorMapPUSequentialBlackBodyWidget;

_puseq_multihue_widget = new ColorMapPUSequentialMultiHueWidget;

_pudiv_lightness_widget = new ColorMapPUDivergingLightnessWidget;

_pudiv_saturation_widget = new ColorMapPUDivergingSaturationWidget;

_puqual_hue_widget = new ColorMapPUQualitativeHueWidget;

_cubehelix_widget = new ColorMapCubeHelixWidget;

_moreland_widget = new ColorMapMorelandWidget;

_mcnames_widget = new ColorMapMcNamesWidget;

connect(_brewerseq_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_brewerdiv_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_brewerqual_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puseq_lightness_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puseq_saturation_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puseq_rainbow_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puseq_blackbody_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puseq_multihue_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_pudiv_lightness_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_pudiv_saturation_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_puqual_hue_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_cubehelix_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_moreland_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

connect(_mcnames_widget, SIGNAL(colorMapChanged()), this, SLOT(update()));

QWidget *widget = new QWidget;

QGridLayout *layout = new QGridLayout;

int firstRow = 0;

#ifdef Q_OS_WASM

QLabel *copy_hint_label = new QLabel("<b>Web Demo:</b> "

"<i>Press CTRL+C to copy the color map in a text-based format, "

"then save it to a file using a text editor. "

"Other export options are only available in the native version. "

"This is a limitation of Qt for WebAssembly.</i>");

copy_hint_label->setWordWrap(true);

layout->addWidget(copy_hint_label, 0, 0, 1, 2);

firstRow = 1;

#endif

QButtonGroup* export_format_group = new QButtonGroup;

_export_format_png_button = new QRadioButton("PNG");

_export_format_ppm_button = new QRadioButton("PPM");

_export_format_csv_button = new QRadioButton("CSV");

_export_format_json_button = new QRadioButton("JSON");

#ifdef Q_OS_WASM

_export_format_png_button->setEnabled(false);

_export_format_ppm_button->setChecked(true);

#else

_export_format_png_button->setChecked(true);

#endif

export_format_group->addButton(_export_format_png_button);

export_format_group->addButton(_export_format_ppm_button);

export_format_group->addButton(_export_format_csv_button);

export_format_group->addButton(_export_format_json_button);

QGridLayout* export_format_layout = new QGridLayout;

QLabel* export_format_label = new QLabel("Export/Copy format: ");

export_format_layout->addWidget(export_format_label, 0, 0);

export_format_layout->addWidget(_export_format_png_button, 0, 1);

export_format_layout->addWidget(_export_format_ppm_button, 0, 2);

export_format_layout->addWidget(_export_format_csv_button, 0, 3);

export_format_layout->addWidget(_export_format_json_button, 0, 4);

export_format_layout->addItem(new QSpacerItem(0, 0), 0, 5);

export_format_layout->setColumnStretch(5, 1);

layout->addLayout(export_format_layout, firstRow++, 0, 1, 2);

_category_widget = new QTabWidget();

_category_seq_widget = new QTabWidget();

_category_seq_widget->addTab(_brewerseq_widget, "Brewer-like");

_category_seq_widget->addTab(_cubehelix_widget, "CubeHelix");

//_category_seq_widget->addTab(_mcnames_widget, "McNames");

_category_seq_widget->addTab(_puseq_lightness_widget, "PU Lightness");

_category_seq_widget->addTab(_puseq_saturation_widget, "PU Saturation");

_category_seq_widget->addTab(_puseq_rainbow_widget, "PU Rainbow");

_category_seq_widget->addTab(_puseq_blackbody_widget, "PU Black Body");

_category_seq_widget->addTab(_puseq_multihue_widget, "PU Multi Hue");

connect(_category_seq_widget, SIGNAL(currentChanged(int)), this, SLOT(update()));

_category_widget->addTab(_category_seq_widget, "Sequential");

_category_div_widget = new QTabWidget();

_category_div_widget->addTab(_brewerdiv_widget, "Brewer-like");

_category_div_widget->addTab(_moreland_widget, "Moreland");

_category_div_widget->addTab(_pudiv_lightness_widget, "PU Lightness");

_category_div_widget->addTab(_pudiv_saturation_widget, "PU Saturation");

connect(_category_div_widget, SIGNAL(currentChanged(int)), this, SLOT(update()));

_category_widget->addTab(_category_div_widget, "Diverging");

_category_qual_widget = new QTabWidget();

_category_qual_widget->addTab(_brewerqual_widget, "Brewer-like");

_category_qual_widget->addTab(_puqual_hue_widget, "PU Hue");

connect(_category_qual_widget, SIGNAL(currentChanged(int)), this, SLOT(update()));

_category_widget->addTab(_category_qual_widget, "Qualitative");

connect(_category_widget, SIGNAL(currentChanged(int)), this, SLOT(update()));

layout->addWidget(_category_widget, firstRow, 0);

_reference_label = new QLabel(_brewerseq_widget->reference());

_reference_label->setWordWrap(true);

_reference_label->setOpenExternalLinks(true);

layout->addWidget(_reference_label, firstRow + 1, 0);

_clipped_label = new QLabel("");

layout->addWidget(_clipped_label, firstRow + 2, 0);

_colormap_label = new QLabel();

_colormap_label->setScaledContents(true);

layout->addWidget(_colormap_label, firstRow, 1, 4, 1);

QLabel* test_label = new QLabel("Test pattern "

"<a href=\"https://colorcet.com/testimage/index.html\">"

"designed by P. Kovesi</a>:");

test_label->setWordWrap(true);

test_label->setOpenExternalLinks(true);

layout->addWidget(test_label, firstRow + 3, 0, 1, 2);

_test_widget = new ColorMapTestWidget();

layout->addWidget(_test_widget, firstRow + 4, 0, 1, 2);

QLabel* hint_label = new QLabel("Tip: Export as JSON and evaluate at <a href=\"https://colormeasures.org/\">colormeasures.org</a>.");

hint_label->setWordWrap(true);

hint_label->setOpenExternalLinks(true);

layout->addWidget(hint_label, firstRow + 5, 0, 1, 2);

layout->setColumnStretch(0, 1);

layout->setRowStretch(firstRow, 1);

widget->setLayout(layout);

setCentralWidget(widget);

QMenu* file_menu = menuBar()->addMenu("&File");

QAction* file_export_act = new QAction("&Export...", this);

file_export_act->setShortcut(QKeySequence::Save);

connect(file_export_act, SIGNAL(triggered()), this, SLOT(file_export()));

file_menu->addAction(file_export_act);

#ifdef Q_OS_WASM

file_export_act->setEnabled(false);

#endif

QAction* quit_act = new QAction("&Quit...", this);

quit_act->setShortcut(QKeySequence::Quit);

connect(quit_act, SIGNAL(triggered()), this, SLOT(close()));

file_menu->addAction(quit_act);

QMenu* edit_menu = menuBar()->addMenu("&Edit");

QAction* edit_reset_act = new QAction("&Reset", this);

connect(edit_reset_act, SIGNAL(triggered()), this, SLOT(edit_reset()));

edit_menu->addAction(edit_reset_act);

QAction* edit_copy_act = new QAction("&Copy", this);

edit_copy_act->setShortcut(QKeySequence::Copy);

connect(edit_copy_act, SIGNAL(triggered()), this, SLOT(edit_copy()));

edit_menu->addAction(edit_copy_act);

QMenu* help_menu = menuBar()->addMenu("&Help");

QAction* help_about_act = new QAction("&About", this);

connect(help_about_act, SIGNAL(triggered()), this, SLOT(help_about()));

help_menu->addAction(help_about_act);

show();

update();

{

_reference_label->setText(currentWidget()->reference());

int clipped;

QVector<unsigned char> colormap = currentWidget()->colorMap(&clipped);

_clipped_label->setText(QString("Colors clipped: %1").arg(clipped));

_colormap_label->setPixmap(QPixmap::fromImage(currentWidget()->colorMapImage(colormap, 32, _colormap_label->height())));

_test_widget->update(colormap);

{

QString name = QFileDialog::getSaveFileName();

if (!name.isEmpty()) {

QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));

QVector<unsigned char> colormap = currentWidget()->colorMap();

if (_export_format_png_button->isChecked()) {

currentWidget()->colorMapImage(colormap, 0, 1).save(name, "png");

} else {

QFile file(name);

if (file.open(QIODevice::WriteOnly)) {

QTextStream stream(&file);

std::string exportedColormap;

if (_export_format_ppm_button->isChecked()) {

exportedColormap = ColorMap::ToPPM(colormap.size() / 3, colormap.constData());

} else if (_export_format_csv_button->isChecked()) {

exportedColormap = ColorMap::ToCSV(colormap.size() / 3, colormap.constData());

} else if (_export_format_json_button->isChecked()) {

exportedColormap = ColorMap::ToJSON(colormap.size() / 3, colormap.constData());

}

stream << exportedColormap.c_str();

}

}

QApplication::restoreOverrideCursor();

}

{

QVector<unsigned char> colormap = currentWidget()->colorMap();

if (_export_format_png_button->isChecked()) {

QApplication::clipboard()->setImage(currentWidget()->colorMapImage(colormap, 0, 1));

} else {

std::string exportedColormap;

if (_export_format_ppm_button->isChecked()) {

exportedColormap = ColorMap::ToPPM(colormap.size() / 3, colormap.constData());

} else if (_export_format_csv_button->isChecked()) {

exportedColormap = ColorMap::ToCSV(colormap.size() / 3, colormap.constData());

} else if (_export_format_json_button->isChecked()) {

exportedColormap = ColorMap::ToJSON(colormap.size() / 3, colormap.constData());

}

QApplication::clipboard()->setText(exportedColormap.c_str());

}

{

QMessageBox::about(this, "About",

"<p>gencolormap version 2.3<br>"

" <a href=\"https://marlam.de/gencolormap\">https://marlam.de/gencolormap</a></p>"

"<p>Copyright (C) 2022<br>"

" <a href=\"https://www.cg.informatik.uni-siegen.de/\">"

" Computer Graphics Group, University of Siegen</a>.<br>"

" Written by <a href=\"https://marlam.de/\">Martin Lambers</a>.<br>"

" This is free software under the terms of the "

"<a href=\"https://www.debian.org/legal/licenses/mit\">MIT/Expat License</a>. "

" There is NO WARRANTY, to the extent permitted by law."

"</p>");

{

QApplication app(argc, argv);

GUI gui;

gui.show();

return app.exec();