File indexing completed on 2025-03-09 03:50:15

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2008-11-28
  * Description : PNG 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 "converttopng.h"
 
 // Qt includes
 
 #include <QFileInfo>
 #include <QWidget>
 #include <QLabel>
 #include <QVBoxLayout>
 
 // KDE includes
 
 #include <kconfiggroup.h>
 #include <ksharedconfig.h>
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "dimg.h"
 #include "dimgloader.h"
 #include "dpluginloader.h"
 
 namespace DigikamBqmConvertToPngPlugin
 {
 
 ConvertToPNG::ConvertToPNG(QObject* const parent)
     : BatchTool(QLatin1String("ConvertToPNG"), ConvertTool, parent),
       m_changeSettings(true)
 {
 }
 
 ConvertToPNG::~ConvertToPNG()
 {
 }
 
 BatchTool* ConvertToPNG::clone(QObject* const parent) const
 {
     return new ConvertToPNG(parent);
 }
 
 void ConvertToPNG::registerSettingsWidget()
 {
     QWidget* const box               = new QWidget();
     QVBoxLayout* const vlay          = new QVBoxLayout(box);
     DImgLoaderSettings* const PNGBox = DPluginLoader::instance()->exportWidget(QLatin1String("PNG"));
     QLabel* const note               = new QLabel(i18n("<b>If conversion to PNG fails, this may be due to the "
                                                        "color profile check. Simply insert the tool for "
                                                        "color profile conversion before this tool and "
                                                        "select the desired color profile.</b>"));
     note->setWordWrap(true);
     note->setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
 
     vlay->addWidget(PNGBox);
     vlay->addWidget(note);
     vlay->addStretch(10);
 
     connect(PNGBox, SIGNAL(signalSettingsChanged()),
             this, SLOT(slotSettingsChanged()));
 
     m_settingsWidget = box;
 
     BatchTool::registerSettingsWidget();
 }
 
 BatchToolSettings ConvertToPNG::defaultSettings()
 {
     KSharedConfig::Ptr config = KSharedConfig::openConfig();
     KConfigGroup group        = config->group(QLatin1String("ImageViewer Settings"));
     int compression           = group.readEntry(QLatin1String("PNGCompression"), 9);
     BatchToolSettings settings;
     settings.insert(QLatin1String("quality"), compression);
 
     return settings;
 }
 
 void ConvertToPNG::slotAssignSettings2Widget()
 {
     m_changeSettings = false;
 
     DImgLoaderSettings* const PNGBox = dynamic_cast<DImgLoaderSettings*>(m_settingsWidget);
 
     if (PNGBox)
     {
         DImgLoaderPrms set;
         set.insert(QLatin1String("quality"),  settings()[QLatin1String("quality")].toInt());
         PNGBox->setSettings(set);
     }
 
     m_changeSettings = true;
 }
 
 void ConvertToPNG::slotSettingsChanged()
 {
     if (m_changeSettings)
     {
         DImgLoaderSettings* const PNGBox = dynamic_cast<DImgLoaderSettings*>(m_settingsWidget);
 
         if (PNGBox)
         {
             BatchToolSettings settings;
             settings.insert(QLatin1String("quality"),  PNGBox->settings()[QLatin1String("quality")].toInt());
             BatchTool::slotSettingsChanged(settings);
         }
     }
 }
 
 QString ConvertToPNG::outputSuffix() const
 {
     return QLatin1String("png");
 }
 
 bool ConvertToPNG::toolOperations()
 {
     if (!loadToDImg())
     {
         return false;
     }
 
     int PNGCompression = DImgLoader::convertCompressionForLibPng(settings()[QLatin1String("quality")].toInt());
     image().setAttribute(QLatin1String("quality"), PNGCompression);
 
     return (savefromDImg());
 }
 
 } // namespace DigikamBqmConvertToPngPlugin
 
 #include "moc_converttopng.cpp"