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diff --git a/src/imageplugins/freerotation/freerotationtool.cpp b/src/imageplugins/freerotation/freerotationtool.cpp
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+++ b/src/imageplugins/freerotation/freerotationtool.cpp
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-11-28
+ * Description : a digiKam image editor plugin to process image
+ *               free rotation.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+// TQt includes.
+
+#include <tqcheckbox.h>
+#include <tqimage.h>
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqwhatsthis.h>
+
+// KDE includes.
+
+#include <tdeaboutdata.h>
+#include <tdeapplication.h>
+#include <tdeconfig.h>
+#include <kcursor.h>
+#include <kiconloader.h>
+#include <tdelocale.h>
+#include <kseparator.h>
+#include <kstandarddirs.h>
+
+// LibKDcraw includes.
+
+#include <libkdcraw/rnuminput.h>
+#include <libkdcraw/rcombobox.h>
+
+// Local includes.
+
+#include "daboutdata.h"
+#include "ddebug.h"
+#include "dimg.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "editortoolsettings.h"
+#include "freerotation.h"
+#include "freerotationtool.h"
+#include "freerotationtool.moc"
+
+using namespace KDcrawIface;
+using namespace Digikam;
+
+namespace DigikamFreeRotationImagesPlugin
+{
+
+FreeRotationTool::FreeRotationTool(TQObject* parent)
+                : EditorToolThreaded(parent)
+{
+    setName("freerotation");
+    setToolName(i18n("Free Rotation"));
+    setToolIcon(SmallIcon("freerotation"));
+
+    m_previewWidget = new ImageWidget("freerotation Tool", 0,
+                                      i18n("<p>This is the free rotation operation preview. "
+                                           "If you move the mouse cursor on this preview, "
+                                           "a vertical and horizontal dashed line will be drawn "
+                                           "to guide you in adjusting the free rotation correction. "
+                                           "Release the left mouse button to freeze the dashed "
+                                           "line's position."),
+                                      false, ImageGuideWidget::HVGuideMode);
+
+    setToolView(m_previewWidget);
+
+    // -------------------------------------------------------------
+
+    TQString temp;
+    Digikam::ImageIface iface(0, 0);
+
+    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
+                                            EditorToolSettings::Ok|
+                                            EditorToolSettings::Cancel,
+                                            EditorToolSettings::ColorGuide);
+    TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 9, 2);
+
+    TQLabel *label1  = new TQLabel(i18n("New width:"), m_gboxSettings->plainPage());
+    m_newWidthLabel = new TQLabel(temp.setNum( iface.originalWidth()) + i18n(" px"), m_gboxSettings->plainPage());
+    m_newWidthLabel->setAlignment( AlignBottom | AlignRight );
+
+    TQLabel *label2   = new TQLabel(i18n("New height:"), m_gboxSettings->plainPage());
+    m_newHeightLabel = new TQLabel(temp.setNum( iface.originalHeight()) + i18n(" px"), m_gboxSettings->plainPage());
+    m_newHeightLabel->setAlignment( AlignBottom | AlignRight );
+
+    KSeparator *line = new KSeparator(Horizontal, m_gboxSettings->plainPage());
+
+    TQLabel *label3 = new TQLabel(i18n("Main angle:"), m_gboxSettings->plainPage());
+    m_angleInput   = new RIntNumInput(m_gboxSettings->plainPage());
+    m_angleInput->setRange(-180, 180, 1);
+    m_angleInput->setDefaultValue(0);
+    TQWhatsThis::add( m_angleInput, i18n("<p>An angle in degrees by which to rotate the image. "
+                                        "A positive angle rotates the image clockwise; "
+                                        "a negative angle rotates it counter-clockwise."));
+
+    TQLabel *label4   = new TQLabel(i18n("Fine angle:"), m_gboxSettings->plainPage());
+    m_fineAngleInput = new RDoubleNumInput(m_gboxSettings->plainPage());
+    m_fineAngleInput->setRange(-5.0, 5.0, 0.01);
+    m_fineAngleInput->setDefaultValue(0);
+    TQWhatsThis::add( m_fineAngleInput, i18n("<p>This value in degrees will be added to main angle value "
+                                            "to set fine target angle."));
+
+    m_antialiasInput = new TQCheckBox(i18n("Anti-Aliasing"), m_gboxSettings->plainPage());
+    TQWhatsThis::add( m_antialiasInput, i18n("<p>Enable this option to apply the anti-aliasing filter "
+                                            "to the rotated image. "
+                                            "In order to smooth the target image, it will be blurred a little."));
+
+    TQLabel *label5 = new TQLabel(i18n("Auto-crop:"), m_gboxSettings->plainPage());
+    m_autoCropCB   = new RComboBox(m_gboxSettings->plainPage());
+    m_autoCropCB->insertItem( i18n("None") );
+    m_autoCropCB->insertItem( i18n("Widest Area") );
+    m_autoCropCB->insertItem( i18n("Largest Area") );
+    m_autoCropCB->setDefaultItem(FreeRotation::NoAutoCrop);
+    TQWhatsThis::add( m_autoCropCB, i18n("<p>Select the method to process image auto-cropping "
+                                        "to remove black frames around a rotated image."));
+
+    grid->addMultiCellWidget(label1,           0, 0, 0, 0);
+    grid->addMultiCellWidget(m_newWidthLabel,  0, 0, 1, 2);
+    grid->addMultiCellWidget(label2,           1, 1, 0, 0);
+    grid->addMultiCellWidget(m_newHeightLabel, 1, 1, 1, 2);
+    grid->addMultiCellWidget(line,             2, 2, 0, 2);
+    grid->addMultiCellWidget(label3,           3, 3, 0, 2);
+    grid->addMultiCellWidget(m_angleInput,     4, 4, 0, 2);
+    grid->addMultiCellWidget(label4,           5, 5, 0, 2);
+    grid->addMultiCellWidget(m_fineAngleInput, 6, 6, 0, 2);
+    grid->addMultiCellWidget(m_antialiasInput, 7, 7, 0, 2);
+    grid->addMultiCellWidget(label5,           8, 8, 0, 0);
+    grid->addMultiCellWidget(m_autoCropCB,     8, 8, 1, 2);
+    grid->setRowStretch(9, 10);
+    grid->setMargin(m_gboxSettings->spacingHint());
+    grid->setSpacing(m_gboxSettings->spacingHint());
+
+    setToolSettings(m_gboxSettings);
+    init();
+
+    // -------------------------------------------------------------
+
+    connect(m_angleInput, TQ_SIGNAL(valueChanged(int)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_fineAngleInput, TQ_SIGNAL(valueChanged(double)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_antialiasInput, TQ_SIGNAL(toggled(bool)),
+            this, TQ_SLOT(slotEffect()));
+
+    connect(m_autoCropCB, TQ_SIGNAL(activated(int)),
+            this, TQ_SLOT(slotEffect()));
+
+    connect(m_gboxSettings, TQ_SIGNAL(signalColorGuideChanged()),
+            this, TQ_SLOT(slotColorGuideChanged()));
+}
+
+FreeRotationTool::~FreeRotationTool()
+{
+}
+
+void FreeRotationTool::slotColorGuideChanged()
+{
+    m_previewWidget->slotChangeGuideColor(m_gboxSettings->guideColor());
+    m_previewWidget->slotChangeGuideSize(m_gboxSettings->guideSize());
+}
+
+void FreeRotationTool::readSettings()
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("freerotation Tool");
+    m_angleInput->setValue(config->readNumEntry("Main Angle", m_angleInput->defaultValue()));
+    m_fineAngleInput->setValue(config->readDoubleNumEntry("Fine Angle", m_fineAngleInput->defaultValue()));
+    m_autoCropCB->setCurrentItem(config->readNumEntry("Auto Crop Type", m_autoCropCB->defaultItem()));
+    m_antialiasInput->setChecked(config->readBoolEntry("Anti Aliasing", true));
+    m_gboxSettings->setGuideColor(config->readColorEntry("Guide Color", &TQt::red));
+    m_gboxSettings->setGuideSize(config->readNumEntry("Guide Width", 1));
+
+    slotColorGuideChanged();
+    slotEffect();
+}
+
+void FreeRotationTool::writeSettings()
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("freerotation Tool");
+    config->writeEntry("Main Angle", m_angleInput->value());
+    config->writeEntry("Fine Angle", m_fineAngleInput->value());
+    config->writeEntry("Auto Crop Type", m_autoCropCB->currentItem());
+    config->writeEntry("Anti Aliasing", m_antialiasInput->isChecked());
+    config->writeEntry("Guide Color", m_gboxSettings->guideColor());
+    config->writeEntry("Guide Width", m_gboxSettings->guideSize());
+    m_previewWidget->writeSettings();
+    config->sync();
+}
+
+void FreeRotationTool::slotResetSettings()
+{
+    m_angleInput->blockSignals(true);
+    m_antialiasInput->blockSignals(true);
+    m_autoCropCB->blockSignals(true);
+
+    m_angleInput->slotReset();
+    m_fineAngleInput->slotReset();
+    m_antialiasInput->setChecked(true);
+    m_autoCropCB->slotReset();
+
+    m_angleInput->blockSignals(false);
+    m_antialiasInput->blockSignals(false);
+    m_autoCropCB->blockSignals(false);
+}
+
+void FreeRotationTool::prepareEffect()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+    m_angleInput->setEnabled(false);
+    m_fineAngleInput->setEnabled(false);
+    m_antialiasInput->setEnabled(false);
+    m_autoCropCB->setEnabled(false);
+
+    double angle      = m_angleInput->value() + m_fineAngleInput->value();
+    bool antialiasing = m_antialiasInput->isChecked();
+    int autocrop      = m_autoCropCB->currentItem();
+    TQColor background = toolView()->paletteBackgroundColor().rgb();
+    ImageIface* iface = m_previewWidget->imageIface();
+    int orgW          = iface->originalWidth();
+    int orgH          = iface->originalHeight();
+
+    uchar *data = iface->getPreviewImage();
+    DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(),
+               iface->previewHasAlpha(), data);
+    delete [] data;
+
+    setFilter(dynamic_cast<DImgThreadedFilter*>(new FreeRotation(&image, this, angle, antialiasing,
+                                                autocrop, background, orgW, orgH)));
+}
+
+void FreeRotationTool::prepareFinal()
+{
+    m_angleInput->setEnabled(false);
+    m_fineAngleInput->setEnabled(false);
+    m_antialiasInput->setEnabled(false);
+    m_autoCropCB->setEnabled(false);
+
+    double angle      = m_angleInput->value() + m_fineAngleInput->value();
+    bool antialiasing = m_antialiasInput->isChecked();
+    int autocrop      = m_autoCropCB->currentItem();
+    TQColor background = TQt::black;
+
+    ImageIface iface(0, 0);
+    int orgW = iface.originalWidth();
+    int orgH = iface.originalHeight();
+
+    uchar *data = iface.getOriginalImage();
+    DImg orgImage(orgW, orgH, iface.originalSixteenBit(), iface.originalHasAlpha(), data);
+    delete [] data;
+
+    setFilter(dynamic_cast<DImgThreadedFilter *>(new FreeRotation(&orgImage, this, angle, antialiasing,
+                                                 autocrop, background, orgW, orgH)));
+}
+
+void FreeRotationTool::putPreviewData()
+{
+    ImageIface* iface = m_previewWidget->imageIface();
+    int w             = iface->previewWidth();
+    int h             = iface->previewHeight();
+
+    DImg imTemp = filter()->getTargetImage().smoothScale(w, h, TQSize::ScaleMin);
+    DImg imDest( w, h, filter()->getTargetImage().sixteenBit(),
+                       filter()->getTargetImage().hasAlpha() );
+
+    imDest.fill(DColor(toolView()->paletteBackgroundColor().rgb(),
+                       filter()->getTargetImage().sixteenBit()) );
+    imDest.bitBltImage(&imTemp, (w-imTemp.width())/2, (h-imTemp.height())/2);
+
+    iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(),
+                                               iface->previewHeight())).bits());
+
+    m_previewWidget->updatePreview();
+    TQSize newSize = dynamic_cast<FreeRotation*>(filter())->getNewSize();
+    TQString temp;
+    m_newWidthLabel->setText(temp.setNum( newSize.width()) + i18n(" px") );
+    m_newHeightLabel->setText(temp.setNum( newSize.height()) + i18n(" px") );
+}
+
+void FreeRotationTool::putFinalData()
+{
+    ImageIface iface(0, 0);
+    DImg targetImage = filter()->getTargetImage();
+    iface.putOriginalImage(i18n("Free Rotation"),
+                           targetImage.bits(),
+                           targetImage.width(), targetImage.height());
+}
+
+void FreeRotationTool::renderingFinished()
+{
+    m_angleInput->setEnabled(true);
+    m_fineAngleInput->setEnabled(true);
+    m_antialiasInput->setEnabled(true);
+    m_autoCropCB->setEnabled(true);
+    kapp->restoreOverrideCursor();
+}
+
+}  // NameSpace DigikamFreeRotationImagesPlugin