File indexing completed on 2025-01-19 03:55:43

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2006-09-13
  * Description : a widget to provide options to save image.
  *
  * SPDX-FileCopyrightText: 2006-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "dsavesettingswidget.h"
 
 // Qt includes
 
 #include <QGridLayout>
 #include <QLabel>
 #include <QApplication>
 #include <QStyle>
 #include <QComboBox>
 
 // KDE includes
 
 #include <kconfiggroup.h>
 #include <klocalizedstring.h>
 
 namespace Digikam
 {
 
 class Q_DECL_HIDDEN DSaveSettingsWidget::Private
 {
 public:
 
     explicit Private()
       : formatLabel     (nullptr),
         grid            (nullptr),
         formatComboBox  (nullptr),
         conflictBox     (nullptr)
     {
     }
 
     QLabel*              formatLabel;
 
     QGridLayout*         grid;
 
     QComboBox*           formatComboBox;
 
     FileSaveConflictBox* conflictBox;
 };
 
 DSaveSettingsWidget::DSaveSettingsWidget(QWidget* const parent)
     : QWidget(parent),
       d      (new Private)
 {
     setAttribute(Qt::WA_DeleteOnClose);
 
     const int spacing = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
                              QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
 
     d->grid           = new QGridLayout(this);
     d->formatLabel    = new QLabel(i18n("Output file format:"), this);
     d->formatComboBox = new QComboBox(this);
     d->formatComboBox->setWhatsThis(i18n("<p>Set the output file format to use here:</p>"
                                          "<p><b>JPEG</b>: output the processed image in JPEG format. "
                                          "This format will give smaller-sized files.</p>"
                                          "<p><b>Warning: Due to the destructive compression algorithm, "
                                          "JPEG is a lossy quality format.</b></p>"
                                          "<p><b>TIFF</b>: output the processed image in TIFF format. "
                                          "This generates large files, without "
                                          "losing quality. Image is compressed.</p>"
                                          "<p><b>PNG</b>: output the processed image in PNG format. "
                                          "This generates large files, without "
                                          "losing quality. Image is compressed.</p>"
                                          "<p><b>PPM</b>: output the processed image in PPM format. "
                                          "This generates the largest files, without "
                                          "losing quality. Image is not compressed.</p>"));
     slotPopulateImageFormat(false);
 
     d->conflictBox    = new FileSaveConflictBox(this);
 
     d->grid->addWidget(d->formatLabel,    0, 0, 1, 1);
     d->grid->addWidget(d->formatComboBox, 0, 1, 1, 1);
     d->grid->addWidget(d->conflictBox,    1, 0, 1, 2);
     d->grid->setRowStretch(3, 10);
     d->grid->setContentsMargins(spacing, spacing, spacing, spacing);
     d->grid->setSpacing(spacing);
 
     connect(d->formatComboBox, SIGNAL(activated(int)),
             this, SIGNAL(signalSaveFormatChanged()));
 
     connect(d->conflictBox, SIGNAL(signalConflictButtonChanged(int)),
             this, SIGNAL(signalConflictButtonChanged(int)));
 }
 
 DSaveSettingsWidget::~DSaveSettingsWidget()
 {
     delete d;
 }
 
 void DSaveSettingsWidget::setCustomSettingsWidget(QWidget* const custom)
 {
     d->grid->addWidget(custom, 2, 0, 1, 2);
 }
 
 void DSaveSettingsWidget::resetToDefault()
 {
     setFileFormat(OUTPUT_PNG);
     d->conflictBox->resetToDefault();
 }
 
 DSaveSettingsWidget::OutputFormat DSaveSettingsWidget::fileFormat() const
 {
     return (OutputFormat)(d->formatComboBox->currentIndex());
 }
 
 void DSaveSettingsWidget::setFileFormat(OutputFormat f)
 {
     d->formatComboBox->setCurrentIndex((int)f);
 }
 
 FileSaveConflictBox::ConflictRule DSaveSettingsWidget::conflictRule() const
 {
     return d->conflictBox->conflictRule();
 }
 
 void DSaveSettingsWidget::setConflictRule(FileSaveConflictBox::ConflictRule r)
 {
     d->conflictBox->setConflictRule(r);
 }
 
 void DSaveSettingsWidget::readSettings(KConfigGroup& group)
 {
     setFileFormat((DSaveSettingsWidget::OutputFormat)group.readEntry("Output Format", (int)(DSaveSettingsWidget::OUTPUT_PNG)));
     d->conflictBox->readSettings(group);
 }
 
 void DSaveSettingsWidget::writeSettings(KConfigGroup& group)
 {
     group.writeEntry("Output Format", (int)fileFormat());
     d->conflictBox->writeSettings(group);
 }
 
 void DSaveSettingsWidget::slotPopulateImageFormat(bool sixteenBits)
 {
     d->formatComboBox->clear();
     d->formatComboBox->insertItem( OUTPUT_PNG,  QLatin1String("PNG") );
     d->formatComboBox->insertItem( OUTPUT_TIFF, QLatin1String("TIFF") );
 
     if (!sixteenBits)
     {
         d->formatComboBox->insertItem( OUTPUT_JPEG, QLatin1String("JPEG") );
         d->formatComboBox->insertItem( OUTPUT_PPM,  QLatin1String("PPM") );
     }
 
     Q_EMIT signalSaveFormatChanged();
 }
 
 QString DSaveSettingsWidget::extension() const
 {
     return extensionForFormat(fileFormat());
 }
 
 QString DSaveSettingsWidget::typeMime() const
 {
     QString mime;
 
     switch (fileFormat())
     {
         case OUTPUT_JPEG:
         {
             mime = QLatin1String("image/jpeg");
             break;
         }
 
         case OUTPUT_TIFF:
         {
             mime = QLatin1String("image/tiff");
             break;
         }
 
         case OUTPUT_PPM:
         {
             mime = QLatin1String("image/ppm");
             break;
         }
 
         case OUTPUT_PNG:
         {
             mime = QLatin1String("image/png");
             break;
         }
     }
 
     return mime;
 }
 
 QString DSaveSettingsWidget::extensionForFormat(DSaveSettingsWidget::OutputFormat format)
 {
     QString ext;
 
     switch (format)
     {
         case OUTPUT_JPEG:
         {
             ext = QLatin1String(".jpg");
             break;
         }
 
         case OUTPUT_TIFF:
         {
             ext = QLatin1String(".tif");
             break;
         }
 
         case OUTPUT_PPM:
         {
             ext = QLatin1String(".ppm");
             break;
         }
 
         case OUTPUT_PNG:
         {
             ext = QLatin1String(".png");
             break;
         }
     }
 
     return ext;
 }
 
 } // namespace Digikam
 
 #include "moc_dsavesettingswidget.cpp"