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diff --git a/digikam/imageplugins/coreplugin/blurtool.cpp b/digikam/imageplugins/coreplugin/blurtool.cpp
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-07-09
+ * Description : a tool to blur an image
+ *
+ * Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * ============================================================ */
+
+// Qt includes.
+
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qwhatsthis.h>
+
+// KDE includes.
+
+#include <kaboutdata.h>
+#include <kiconloader.h>
+#include <kconfig.h>
+#include <kcursor.h>
+#include <klocale.h>
+#include <kapplication.h>
+
+// Digikam includes.
+
+#include "ddebug.h"
+#include "imageiface.h"
+#include "imagepanelwidget.h"
+#include "editortoolsettings.h"
+#include "dimggaussianblur.h"
+
+// LibKDcraw includes.
+
+#include <libkdcraw/rnuminput.h>
+
+// Local includes.
+
+#include "blurtool.h"
+#include "blurtool.moc"
+
+using namespace KDcrawIface;
+using namespace Digikam;
+
+namespace DigikamImagesPluginCore
+{
+
+BlurTool::BlurTool(QObject* parent)
+        : EditorToolThreaded(parent)
+{
+    setName("gaussianblur");
+    setToolName(i18n("Blur"));
+    setToolIcon(SmallIcon("blurimage"));
+    setToolHelp("blursharpentool.anchor");
+
+    // ---------------------------------------------------------------------------------
+
+    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
+                                            EditorToolSettings::Ok|
+                                            EditorToolSettings::Cancel|
+                                            EditorToolSettings::Try,
+                                            EditorToolSettings::PanIcon);
+    QGridLayout* grid = new QGridLayout( m_gboxSettings->plainPage(), 2, 1);
+    QLabel *label     = new QLabel(i18n("Smoothness:"), m_gboxSettings->plainPage());
+
+    m_radiusInput = new RIntNumInput(m_gboxSettings->plainPage());
+    m_radiusInput->setRange(0, 100, 1);
+    m_radiusInput->setDefaultValue(0);
+    QWhatsThis::add(m_radiusInput, i18n("<p>A smoothness of 0 has no effect, "
+                                        "1 and above determine the Gaussian blur matrix radius "
+                                        "that determines how much to blur the image."));
+
+    grid->addMultiCellWidget(label,         0, 0, 0, 1);
+    grid->addMultiCellWidget(m_radiusInput, 1, 1, 0, 1);
+    grid->setRowStretch(2, 10);
+    grid->setMargin(m_gboxSettings->spacingHint());
+    grid->setSpacing(m_gboxSettings->spacingHint());
+
+    setToolSettings(m_gboxSettings);
+
+    m_previewWidget = new ImagePanelWidget(470, 350, "gaussianblur Tool", m_gboxSettings->panIconView());
+
+    setToolView(m_previewWidget);
+    init();
+}
+
+BlurTool::~BlurTool()
+{
+}
+
+void BlurTool::readSettings()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("gaussianblur Tool");
+    m_radiusInput->setValue(config->readNumEntry("RadiusAjustment", m_radiusInput->defaultValue()));
+}
+
+void BlurTool::writeSettings()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("gaussianblur Tool");
+    config->writeEntry("RadiusAjustment", m_radiusInput->value());
+    config->sync();
+}
+
+void BlurTool::slotResetSettings()
+{
+    m_radiusInput->blockSignals(true);
+    m_radiusInput->slotReset();
+    m_radiusInput->blockSignals(false);
+}
+
+void BlurTool::prepareEffect()
+{
+    m_radiusInput->setEnabled(false);
+
+    DImg img = m_previewWidget->getOriginalRegionImage();
+
+    setFilter(dynamic_cast<DImgThreadedFilter*>(new DImgGaussianBlur(&img, this, m_radiusInput->value())));
+}
+
+void BlurTool::prepareFinal()
+{
+    m_radiusInput->setEnabled(false);
+
+    ImageIface iface(0, 0);
+    uchar *data            = iface.getOriginalImage();
+    int w                  = iface.originalWidth();
+    int h                  = iface.originalHeight();
+    bool sixteenBit        = iface.originalSixteenBit();
+    bool hasAlpha          = iface.originalHasAlpha();
+    DImg orgImage = DImg(w, h, sixteenBit, hasAlpha ,data);
+    delete [] data;
+    setFilter(dynamic_cast<DImgThreadedFilter*>(new DImgGaussianBlur(&orgImage, this, m_radiusInput->value())));
+}
+
+void BlurTool::putPreviewData()
+{
+    DImg imDest = filter()->getTargetImage();
+    m_previewWidget->setPreviewImage(imDest);
+}
+
+void BlurTool::putFinalData()
+{
+    ImageIface iface(0, 0);
+    DImg imDest = filter()->getTargetImage();
+    iface.putOriginalImage(i18n("Gaussian Blur"), imDest.bits());
+}
+
+void BlurTool::renderingFinished()
+{
+    m_radiusInput->setEnabled(true);
+}
+
+}  // NameSpace DigikamImagesPluginCore