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diff --git a/src/imageplugins/lensdistortion/lensdistortiontool.cpp b/src/imageplugins/lensdistortion/lensdistortiontool.cpp
new file mode 100644
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+++ b/src/imageplugins/lensdistortion/lensdistortiontool.cpp
@@ -0,0 +1,326 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-27
+ * Description : a plugin to reduce lens distorsions to an image.
+ *
+ * Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ * Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+// C++ includes.
+
+#include <cstring>
+#include <cmath>
+#include <cstdlib>
+
+// TQt includes.
+
+#include <tqbrush.h>
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqpainter.h>
+#include <tqpen.h>
+#include <tqpixmap.h>
+#include <tqwhatsthis.h>
+#include <tqimage.h>
+
+// KDE includes.
+
+#include <tdeaboutdata.h>
+#include <tdeapplication.h>
+#include <tdeconfig.h>
+#include <kiconloader.h>
+#include <tdelocale.h>
+#include <kstandarddirs.h>
+
+// LibKDcraw includes.
+
+#include <libkdcraw/rnuminput.h>
+
+// Local includes.
+
+#include "daboutdata.h"
+#include "ddebug.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "editortoolsettings.h"
+#include "lensdistortion.h"
+#include "lensdistortiontool.h"
+#include "lensdistortiontool.moc"
+
+using namespace KDcrawIface;
+using namespace Digikam;
+
+namespace DigikamLensDistortionImagesPlugin
+{
+
+LensDistortionTool::LensDistortionTool(TQObject* parent)
+                  : EditorToolThreaded(parent)
+{
+    setName("lensdistortion");
+    setToolName(i18n("Lens Distortion"));
+    setToolIcon(SmallIcon("lensdistortion"));
+
+    m_previewWidget = new ImageWidget("lensdistortion Tool", 0, TQString(),
+                                      false, ImageGuideWidget::HVGuideMode);
+
+    setToolView(m_previewWidget);
+
+    // -------------------------------------------------------------
+
+    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
+                                            EditorToolSettings::Ok|
+                                            EditorToolSettings::Cancel,
+                                            EditorToolSettings::ColorGuide);
+    TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 9, 1);
+
+    m_maskPreviewLabel = new TQLabel( m_gboxSettings->plainPage() );
+    m_maskPreviewLabel->setAlignment ( TQt::AlignHCenter | TQt::AlignVCenter );
+    TQWhatsThis::add( m_maskPreviewLabel, i18n("<p>You can see here a thumbnail preview of the distortion correction "
+                                              "applied to a cross pattern.") );
+
+    // -------------------------------------------------------------
+
+    TQLabel *label1 = new TQLabel(i18n("Main:"), m_gboxSettings->plainPage());
+
+    m_mainInput = new RDoubleNumInput(m_gboxSettings->plainPage());
+    m_mainInput->setPrecision(1);
+    m_mainInput->setRange(-100.0, 100.0, 0.1);
+    m_mainInput->setDefaultValue(0.0);
+    TQWhatsThis::add(m_mainInput, i18n("<p>This value controls the amount of distortion. Negative values correct lens barrel "
+                                      "distortion, while positive values correct lens pincushion distortion."));
+
+    // -------------------------------------------------------------
+
+    TQLabel *label2 = new TQLabel(i18n("Edge:"), m_gboxSettings->plainPage());
+
+    m_edgeInput = new RDoubleNumInput(m_gboxSettings->plainPage());
+    m_edgeInput->setPrecision(1);
+    m_edgeInput->setRange(-100.0, 100.0, 0.1);
+    m_edgeInput->setDefaultValue(0.0);
+    TQWhatsThis::add(m_edgeInput, i18n("<p>This value controls in the same manner as the Main control, but has more effect "
+                                      "at the edges of the image than at the center."));
+
+    // -------------------------------------------------------------
+
+    TQLabel *label3 = new TQLabel(i18n("Zoom:"), m_gboxSettings->plainPage());
+
+    m_rescaleInput = new RDoubleNumInput(m_gboxSettings->plainPage());
+    m_rescaleInput->setPrecision(1);
+    m_rescaleInput->setRange(-100.0, 100.0, 0.1);
+    m_rescaleInput->setDefaultValue(0.0);
+    TQWhatsThis::add(m_rescaleInput, i18n("<p>This value rescales the overall image size."));
+
+    // -------------------------------------------------------------
+
+    TQLabel *label4 = new TQLabel(i18n("Brighten:"), m_gboxSettings->plainPage());
+
+    m_brightenInput = new RDoubleNumInput(m_gboxSettings->plainPage());
+    m_brightenInput->setPrecision(1);
+    m_brightenInput->setRange(-100.0, 100.0, 0.1);
+    m_brightenInput->setDefaultValue(0.0);
+    TQWhatsThis::add(m_brightenInput, i18n("<p>This value adjusts the brightness in image corners."));
+
+    grid->addMultiCellWidget(m_maskPreviewLabel, 0, 0, 0, 1);
+    grid->addMultiCellWidget(label1,             1, 1, 0, 1);
+    grid->addMultiCellWidget(m_mainInput,        2, 2, 0, 1);
+    grid->addMultiCellWidget(label2,             3, 3, 0, 1);
+    grid->addMultiCellWidget(m_edgeInput,        4, 4, 0, 1);
+    grid->addMultiCellWidget(label3,             5, 5, 0, 1);
+    grid->addMultiCellWidget(m_rescaleInput,     6, 6, 0, 1);
+    grid->addMultiCellWidget(label4,             7, 7, 0, 1);
+    grid->addMultiCellWidget(m_brightenInput,    8, 8, 0, 1);
+    grid->setRowStretch(9, 10);
+    grid->setMargin(m_gboxSettings->spacingHint());
+    grid->setSpacing(m_gboxSettings->spacingHint());
+
+    setToolSettings(m_gboxSettings);
+    init();
+
+    // -------------------------------------------------------------
+
+    connect(m_mainInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_edgeInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_rescaleInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_brightenInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_gboxSettings, TQ_SIGNAL(signalColorGuideChanged()),
+            this, TQ_SLOT(slotColorGuideChanged()));
+
+    // -------------------------------------------------------------
+
+    /* Calc transform preview.
+       We would like a checkered area to demonstrate the effect.
+       We do not have any drawing support in DImg, so we let TQt draw.
+       First we create a white TQImage. We convert this to a TQPixmap,
+       on which we can draw. Then we convert back to TQImage,
+       convert the TQImage to a DImg which we only need to create once, here.
+       Later, we apply the effect on a copy and convert the DImg to TQPixmap.
+       Longing for TQt4 where we can paint directly on the TQImage...
+    */
+
+    TQImage preview(120, 120, 32);
+    memset(preview.bits(), 255, preview.numBytes());
+    TQPixmap pix (preview);
+    TQPainter pt(&pix);
+    pt.setPen( TQPen(TQt::black, 1) );
+    pt.fillRect( 0, 0, pix.width(), pix.height(), TQBrush(TQt::black, TQt::CrossPattern) );
+    pt.drawRect( 0, 0, pix.width(), pix.height() );
+    pt.end();
+    TQImage preview2(pix.convertToImage());
+    m_previewRasterImage = DImg(preview2.width(), preview2.height(), false, false, preview2.bits());
+}
+
+LensDistortionTool::~LensDistortionTool()
+{
+}
+
+void LensDistortionTool::slotColorGuideChanged()
+{
+    m_previewWidget->slotChangeGuideColor(m_gboxSettings->guideColor());
+    m_previewWidget->slotChangeGuideSize(m_gboxSettings->guideSize());
+}
+
+void LensDistortionTool::readSettings()
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("lensdistortion Tool");
+
+    m_mainInput->blockSignals(true);
+    m_edgeInput->blockSignals(true);
+    m_rescaleInput->blockSignals(true);
+    m_brightenInput->blockSignals(true);
+
+    m_mainInput->setValue(config->readDoubleNumEntry("2nd Order Distortion", m_mainInput->defaultValue()));
+    m_edgeInput->setValue(config->readDoubleNumEntry("4th Order Distortion",m_edgeInput->defaultValue()));
+    m_rescaleInput->setValue(config->readDoubleNumEntry("Zoom Factor", m_rescaleInput->defaultValue()));
+    m_brightenInput->setValue(config->readDoubleNumEntry("Brighten", m_brightenInput->defaultValue()));
+    m_gboxSettings->setGuideColor(config->readColorEntry("Guide Color", &TQt::red));
+    m_gboxSettings->setGuideSize(config->readNumEntry("Guide Width", 1));
+
+    m_mainInput->blockSignals(false);
+    m_edgeInput->blockSignals(false);
+    m_rescaleInput->blockSignals(false);
+    m_brightenInput->blockSignals(false);
+
+    slotColorGuideChanged();
+    slotEffect();
+}
+
+void LensDistortionTool::writeSettings()
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("lensdistortion Tool");
+    config->writeEntry("2nd Order Distortion", m_mainInput->value());
+    config->writeEntry("4th Order Distortion", m_edgeInput->value());
+    config->writeEntry("Zoom Factor", m_rescaleInput->value());
+    config->writeEntry("Brighten", m_brightenInput->value());
+    config->writeEntry("Guide Color", m_gboxSettings->guideColor());
+    config->writeEntry("Guide Width", m_gboxSettings->guideSize());
+    m_previewWidget->writeSettings();
+    config->sync();
+}
+
+void LensDistortionTool::slotResetSettings()
+{
+    m_mainInput->blockSignals(true);
+    m_edgeInput->blockSignals(true);
+    m_rescaleInput->blockSignals(true);
+    m_brightenInput->blockSignals(true);
+
+    m_mainInput->slotReset();
+    m_edgeInput->slotReset();
+    m_rescaleInput->slotReset();
+    m_brightenInput->slotReset();
+
+    m_mainInput->blockSignals(false);
+    m_edgeInput->blockSignals(false);
+    m_rescaleInput->blockSignals(false);
+    m_brightenInput->blockSignals(false);
+}
+
+void LensDistortionTool::prepareEffect()
+{
+    m_mainInput->setEnabled(false);
+    m_edgeInput->setEnabled(false);
+    m_rescaleInput->setEnabled(false);
+    m_brightenInput->setEnabled(false);
+
+    double m = m_mainInput->value();
+    double e = m_edgeInput->value();
+    double r = m_rescaleInput->value();
+    double b = m_brightenInput->value();
+
+    LensDistortion transformPreview(&m_previewRasterImage, 0L, m, e, r, b, 0, 0);
+    m_maskPreviewLabel->setPixmap(TQPixmap(transformPreview.getTargetImage().convertToPixmap()));
+
+    ImageIface* iface = m_previewWidget->imageIface();
+
+    setFilter(dynamic_cast<DImgThreadedFilter*>(new LensDistortion(iface->getOriginalImg(), this, m, e, r, b, 0, 0)));
+}
+
+void LensDistortionTool::prepareFinal()
+{
+    m_mainInput->setEnabled(false);
+    m_edgeInput->setEnabled(false);
+    m_rescaleInput->setEnabled(false);
+    m_brightenInput->setEnabled(false);
+
+    double m = m_mainInput->value();
+    double e = m_edgeInput->value();
+    double r = m_rescaleInput->value();
+    double b = m_brightenInput->value();
+
+    ImageIface iface(0, 0);
+
+    setFilter(dynamic_cast<DImgThreadedFilter*>(new LensDistortion(iface.getOriginalImg(), this, m, e, r, b, 0, 0)));
+}
+
+void LensDistortionTool::putPreviewData()
+{
+    ImageIface* iface = m_previewWidget->imageIface();
+
+    DImg imDest = filter()->getTargetImage().smoothScale(iface->previewWidth(), iface->previewHeight());
+    iface->putPreviewImage(imDest.bits());
+
+    m_previewWidget->updatePreview();
+}
+
+void LensDistortionTool::putFinalData()
+{
+    ImageIface iface(0, 0);
+
+    iface.putOriginalImage(i18n("Lens Distortion"), filter()->getTargetImage().bits());
+}
+
+void LensDistortionTool::renderingFinished()
+{
+    m_mainInput->setEnabled(true);
+    m_edgeInput->setEnabled(true);
+    m_rescaleInput->setEnabled(true);
+    m_brightenInput->setEnabled(true);
+}
+
+}  // NameSpace DigikamLensDistortionImagesPlugin