File indexing completed on 2025-01-19 03:50:53

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2008-11-24
  * Description : JPEG image Converter batch tool.
  *
  * SPDX-FileCopyrightText: 2008-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "converttojpeg.h"
 
 // Qt includes
 
 #include <QFileInfo>
 #include <QWidget>
 
 // KDE includes
 
 #include <kconfiggroup.h>
 #include <klocalizedstring.h>
 #include <ksharedconfig.h>
 
 // Local includes
 
 #include "dimg.h"
 #include "dimgloader.h"
 #include "dpluginloader.h"
 
 namespace DigikamBqmConvertToJpegPlugin
 {
 
 ConvertToJPEG::ConvertToJPEG(QObject* const parent)
     : BatchTool(QLatin1String("ConvertToJPEG"), ConvertTool, parent),
       m_changeSettings(true)
 {
 }
 
 ConvertToJPEG::~ConvertToJPEG()
 {
 }
 
 BatchTool* ConvertToJPEG::clone(QObject* const parent) const
 {
     return new ConvertToJPEG(parent);
 }
 
 void ConvertToJPEG::registerSettingsWidget()
 {
     DImgLoaderSettings* const JPGBox = DPluginLoader::instance()->exportWidget(QLatin1String("JPEG"));
 
     connect(JPGBox, SIGNAL(signalSettingsChanged()),
             this, SLOT(slotSettingsChanged()));
 
     m_settingsWidget = JPGBox;
 
     BatchTool::registerSettingsWidget();
 }
 
 BatchToolSettings ConvertToJPEG::defaultSettings()
 {
     KSharedConfig::Ptr config = KSharedConfig::openConfig();
     KConfigGroup group        = config->group(QLatin1String("ImageViewer Settings"));
     int compression           = group.readEntry(QLatin1String("JPEGCompression"), 75);
     int subSampling           = group.readEntry(QLatin1String("JPEGSubSampling"), 1);  // Medium subsampling
     BatchToolSettings settings;
     settings.insert(QLatin1String("quality"),     compression);
     settings.insert(QLatin1String("subsampling"), subSampling);
 
     return settings;
 }
 
 void ConvertToJPEG::slotAssignSettings2Widget()
 {
     m_changeSettings = false;
 
     DImgLoaderSettings* const JPGBox = dynamic_cast<DImgLoaderSettings*>(m_settingsWidget);
 
     if (JPGBox)
     {
         DImgLoaderPrms set;
         set.insert(QLatin1String("quality"),     settings()[QLatin1String("quality")].toInt());
         set.insert(QLatin1String("subsampling"), settings()[QLatin1String("subsampling")].toInt());
         JPGBox->setSettings(set);
     }
 
     m_changeSettings = true;
 }
 
 void ConvertToJPEG::slotSettingsChanged()
 {
     if (m_changeSettings)
     {
         DImgLoaderSettings* const JPGBox = dynamic_cast<DImgLoaderSettings*>(m_settingsWidget);
 
         if (JPGBox)
         {
             BatchToolSettings settings;
             settings.insert(QLatin1String("quality"),     JPGBox->settings()[QLatin1String("quality")].toInt());
             settings.insert(QLatin1String("subsampling"), JPGBox->settings()[QLatin1String("subsampling")].toInt());
             BatchTool::slotSettingsChanged(settings);
         }
     }
 }
 
 QString ConvertToJPEG::outputSuffix() const
 {
     return QLatin1String("jpg");
 }
 
 bool ConvertToJPEG::toolOperations()
 {
     if (!loadToDImg())
     {
         return false;
     }
 
     int JPEGCompression = DImgLoader::convertCompressionForLibJpeg(settings()[QLatin1String("quality")].toInt());
     image().setAttribute(QLatin1String("quality"),     JPEGCompression);
     image().setAttribute(QLatin1String("subsampling"), settings()[QLatin1String("subsampling")].toInt());
 
     return (savefromDImg());
 }
 
 } // namespace DigikamBqmConvertToJpegPlugin
 
 #include "moc_converttojpeg.cpp"