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126 | /* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2008-11-24
* Description : JPEG image Converter batch tool.
*
* SPDX-FileCopyrightText: 2008-2025 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)
{
}
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().value(QLatin1String("quality")).toInt());
set.insert(QLatin1String("subsampling"), settings().value(QLatin1String("subsampling")).toInt());
JPGBox->setSettings(set);
}
m_changeSettings = true;
}
void ConvertToJPEG::slotSettingsChanged()
{
if (m_changeSettings)
{
DImgLoaderSettings* const JPGBox = dynamic_cast<DImgLoaderSettings*>(m_settingsWidget);<--- Variable 'JPGBox' can be declared as pointer to const
if (JPGBox)
{
BatchToolSettings settings;
settings.insert(QLatin1String("quality"), JPGBox->settings().value(QLatin1String("quality")).toInt());
settings.insert(QLatin1String("subsampling"), JPGBox->settings().value(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().value(QLatin1String("quality")).toInt());
image().setAttribute(QLatin1String("quality"), JPEGCompression);
image().setAttribute(QLatin1String("subsampling"), settings().value(QLatin1String("subsampling")).toInt());
return (savefromDImg());
}
} // namespace DigikamBqmConvertToJpegPlugin
#include "moc_converttojpeg.cpp"
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