File indexing completed on 2025-01-05 03:51:28

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2010-05-03
  * Description : blur image batch tool.
  *
  * SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "blur.h"
 
 // Qt includes
 
 #include <QLabel>
 #include <QGridLayout>
 #include <QWidget>
 #include <QApplication>
 #include <QStyle>
 
 // KDE includes
 
 #include <klocalizedstring.h>
 
 // Local includes
 
 #include "dimg.h"
 #include "blurfilter.h"
 
 namespace DigikamBqmBlurPlugin
 {
 
 Blur::Blur(QObject* const parent)
     : BatchTool(QLatin1String("Blur"), EnhanceTool, parent),
       m_radiusInput   (nullptr),
       m_changeSettings(true)
 {
 }
 
 Blur::~Blur()
 {
 }
 
 BatchTool* Blur::clone(QObject* const parent) const
 {
     return new Blur(parent);
 }
 
 void Blur::registerSettingsWidget()
 {
     const int spacing = qMin(QApplication::style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing),
                              QApplication::style()->pixelMetric(QStyle::PM_LayoutVerticalSpacing));
 
     m_settingsWidget = new QWidget;
     QLabel* label    = new QLabel(i18n("Smoothness:"));
     m_radiusInput    = new DIntNumInput();
     m_radiusInput->setRange(0, 100, 1);
     m_radiusInput->setDefaultValue(0);
     m_radiusInput->setWhatsThis(i18n("A smoothness of 0 has no effect, "
                                      "1 and above determine the Gaussian blur matrix radius "
                                      "that determines how much to blur the image."));
 
     QGridLayout* grid = new QGridLayout(m_settingsWidget);
     grid->addWidget(label,         0, 0, 1, 2);
     grid->addWidget(m_radiusInput, 1, 0, 1, 2);
     grid->setRowStretch(2, 10);
     grid->setContentsMargins(spacing, spacing, spacing, spacing);
     grid->setSpacing(spacing);
 
     connect(m_radiusInput, SIGNAL(valueChanged(int)),
             this, SLOT(slotSettingsChanged()));
 
     BatchTool::registerSettingsWidget();
 }
 
 BatchToolSettings Blur::defaultSettings()
 {
     BatchToolSettings settings;
     settings.insert(QLatin1String("Radius"), (int)m_radiusInput->defaultValue());
     return settings;
 }
 
 void Blur::slotAssignSettings2Widget()
 {
     m_changeSettings = false;
     m_radiusInput->setValue(settings()[QLatin1String("Radius")].toInt());
     m_changeSettings = true;
 }
 
 void Blur::slotSettingsChanged()
 {
     if (m_changeSettings)
     {
         BatchToolSettings settings;
         settings.insert(QLatin1String("Radius"), (int)m_radiusInput->value());
         BatchTool::slotSettingsChanged(settings);
     }
 }
 
 bool Blur::toolOperations()
 {
     if (!loadToDImg())
     {
         return false;
     }
 
     double radius = settings()[QLatin1String("Radius")].toInt();
 
     BlurFilter blur(&image(), nullptr, radius);
     applyFilter(&blur);
 
     return savefromDImg();
 }
 
 } // namespace DigikamBqmBlurPlugin
 
 #include "moc_blur.cpp"