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diff --git a/src/imageplugins/sheartool/imageeffect_sheartool.cpp b/src/imageplugins/sheartool/imageeffect_sheartool.cpp
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-23
+ * Description : a plugin to shear 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.
+ * 
+ * ============================================================ */
+ 
+// TQt includes. 
+ 
+#include <tqlabel.h>
+#include <tqcheckbox.h>
+#include <tqwhatsthis.h>
+#include <tqlayout.h>
+#include <tqimage.h>
+
+// KDE includes.
+
+#include <tdelocale.h>
+#include <tdeaboutdata.h>
+#include <kiconloader.h>
+#include <tdeapplication.h>
+#include <kstandarddirs.h>
+#include <knuminput.h>
+#include <kseparator.h>
+#include <kcursor.h>
+#include <tdeconfig.h>
+
+// Local includes.
+
+#include "version.h"
+#include "ddebug.h"
+#include "dimg.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "sheartool.h"
+#include "imageeffect_sheartool.h"
+#include "imageeffect_sheartool.moc"
+
+namespace DigikamShearToolImagesPlugin
+{
+
+ImageEffect_ShearTool::ImageEffect_ShearTool(TQWidget* parent)
+                     : Digikam::ImageGuideDlg(parent, i18n("Shear Tool"), "sheartool",
+                                              false, true, true, 
+                                              Digikam::ImageGuideWidget::HVGuideMode)
+{
+    // No need Abort button action.
+    showButton(User1, false); 
+    
+    TQString whatsThis;
+    
+    // About data and help button.
+    
+    TDEAboutData* about = new TDEAboutData("digikam",
+                                       I18N_NOOP("Shear Tool"), 
+                                       digikam_version,
+                                       I18N_NOOP("A digiKam image plugin to shear an image."),
+                                       TDEAboutData::License_GPL,
+                                       "(c) 2004-2008, Gilles Caulier",
+                                       0,
+                                       "http://www.digikam.org");
+    
+    about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
+                     "caulier dot gilles at gmail dot com");
+    
+    about->addAuthor("Pieter Z. Voloshyn", I18N_NOOP("Shear algorithm"), 
+                     "pieter dot voloshyn at gmail dot com"); 
+
+    setAboutData(about);
+    
+    TQWhatsThis::add( m_imagePreviewWidget, i18n("<p>This is the shearing image 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 shearing correction. "
+                                           "Release the left mouse button to freeze the dashed "
+                                           "line's position."));
+                                           
+    // -------------------------------------------------------------
+
+    TQString temp;
+    Digikam::ImageIface iface(0, 0);
+
+    TQWidget *gboxSettings     = new TQWidget(plainPage());
+    TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 11, 2, spacingHint());
+    
+    TQLabel *label1 = new TQLabel(i18n("New width:"), gboxSettings);
+    m_newWidthLabel = new TQLabel(temp.setNum( iface.originalWidth()) + i18n(" px"), gboxSettings);
+    m_newWidthLabel->setAlignment( AlignBottom | AlignRight );
+    
+    TQLabel *label2 = new TQLabel(i18n("New height:"), gboxSettings);
+    m_newHeightLabel = new TQLabel(temp.setNum( iface.originalHeight()) + i18n(" px"), gboxSettings);
+    m_newHeightLabel->setAlignment( AlignBottom | AlignRight );
+
+    gridSettings->addMultiCellWidget(label1, 0, 0, 0, 0);
+    gridSettings->addMultiCellWidget(m_newWidthLabel, 0, 0, 1, 2);
+    gridSettings->addMultiCellWidget(label2, 1, 1, 0, 0);
+    gridSettings->addMultiCellWidget(m_newHeightLabel, 1, 1, 1, 2);
+    
+    KSeparator *line = new KSeparator(Horizontal, gboxSettings);
+    gridSettings->addMultiCellWidget(line, 2, 2, 0, 2);
+    
+    TQLabel *label3 = new TQLabel(i18n("Main horizontal angle:"), gboxSettings);
+    m_mainHAngleInput = new KIntNumInput(gboxSettings);
+    m_mainHAngleInput->setRange(-45, 45, 1, true);
+    m_mainHAngleInput->setValue(0);
+    TQWhatsThis::add( m_mainHAngleInput, i18n("<p>The main horizontal shearing angle, in degrees."));
+    gridSettings->addMultiCellWidget(label3, 3, 3, 0, 2);
+    gridSettings->addMultiCellWidget(m_mainHAngleInput, 4, 4, 0, 2);
+            
+    TQLabel *label4 = new TQLabel(i18n("Fine horizontal angle:"), gboxSettings);
+    m_fineHAngleInput = new KDoubleNumInput(gboxSettings);
+    m_fineHAngleInput->setRange(-5.0, 5.0, 0.01, true);
+    m_fineHAngleInput->setValue(0);
+    TQWhatsThis::add( m_fineHAngleInput, i18n("<p>This value in degrees will be added to main horizontal angle value "
+                                             "to set fine adjustments."));
+    gridSettings->addMultiCellWidget(label4, 5, 5, 0, 2);
+    gridSettings->addMultiCellWidget(m_fineHAngleInput, 6, 6, 0, 2);
+                
+    TQLabel *label5 = new TQLabel(i18n("Main vertical angle:"), gboxSettings);
+    m_mainVAngleInput = new KIntNumInput(gboxSettings);
+    m_mainVAngleInput->setRange(-45, 45, 1, true);
+    m_mainVAngleInput->setValue(0);
+    TQWhatsThis::add( m_mainVAngleInput, i18n("<p>The main vertical shearing angle, in degrees."));
+    gridSettings->addMultiCellWidget(label5, 7, 7, 0, 0);
+    gridSettings->addMultiCellWidget(m_mainVAngleInput, 8, 8, 0, 2);
+
+    TQLabel *label6 = new TQLabel(i18n("Fine vertical angle:"), gboxSettings);
+    m_fineVAngleInput = new KDoubleNumInput(gboxSettings);
+    m_fineVAngleInput->setRange(-5.0, 5.0, 0.01, true);
+    m_fineVAngleInput->setValue(0);
+    TQWhatsThis::add( m_fineVAngleInput, i18n("<p>This value in degrees will be added to main vertical angle value "
+                                             "to set fine adjustments."));
+    gridSettings->addMultiCellWidget(label6, 9, 9, 0, 2);
+    gridSettings->addMultiCellWidget(m_fineVAngleInput, 10, 10, 0, 2);
+                                             
+    m_antialiasInput = new TQCheckBox(i18n("Anti-Aliasing"), gboxSettings);
+    TQWhatsThis::add( m_antialiasInput, i18n("<p>Enable this option to apply the anti-aliasing filter "
+                                            "to the sheared image. "
+                                            "To smooth the target image, it will be blurred a little."));
+    gridSettings->addMultiCellWidget(m_antialiasInput, 11, 11, 0, 2);
+            
+    setUserAreaWidget(gboxSettings); 
+
+    // -------------------------------------------------------------
+    
+    connect(m_mainHAngleInput, TQ_SIGNAL(valueChanged (int)),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_fineHAngleInput, TQ_SIGNAL(valueChanged (double)),
+            this, TQ_SLOT(slotTimer()));
+                
+    connect(m_mainVAngleInput, TQ_SIGNAL(valueChanged (int)),
+            this, TQ_SLOT(slotTimer()));
+    
+    connect(m_fineVAngleInput, TQ_SIGNAL(valueChanged (double)),
+            this, TQ_SLOT(slotTimer()));
+    
+    connect(m_antialiasInput, TQ_SIGNAL(toggled (bool)),
+            this, TQ_SLOT(slotEffect()));  
+}
+
+ImageEffect_ShearTool::~ImageEffect_ShearTool()
+{
+}
+
+void ImageEffect_ShearTool::readUserSettings(void)
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("sheartool Tool Dialog");
+    m_mainHAngleInput->setValue(config->readNumEntry("Main HAngle", 0));
+    m_mainVAngleInput->setValue(config->readNumEntry("Main VAngle", 0));
+    m_fineHAngleInput->setValue(config->readDoubleNumEntry("Fine HAngle", 0.0));
+    m_fineVAngleInput->setValue(config->readDoubleNumEntry("Fine VAngle", 0.0));
+    m_antialiasInput->setChecked(config->readBoolEntry("Anti Aliasing", true));
+    slotEffect();
+}
+
+void ImageEffect_ShearTool::writeUserSettings(void)
+{
+    TDEConfig *config = kapp->config();
+    config->setGroup("sheartool Tool Dialog");
+    config->writeEntry("Main HAngle", m_mainHAngleInput->value());
+    config->writeEntry("Main VAngle", m_mainVAngleInput->value());
+    config->writeEntry("Fine HAngle", m_fineHAngleInput->value());
+    config->writeEntry("Fine VAngle", m_fineVAngleInput->value());
+    config->writeEntry("Anti Aliasing", m_antialiasInput->isChecked());
+    config->sync();
+}
+
+void ImageEffect_ShearTool::resetValues()
+{
+    m_mainHAngleInput->blockSignals(true);
+    m_mainVAngleInput->blockSignals(true);
+    m_fineHAngleInput->blockSignals(true);
+    m_fineVAngleInput->blockSignals(true);
+    m_antialiasInput->blockSignals(true);
+    m_mainHAngleInput->setValue(0);
+    m_mainVAngleInput->setValue(0);
+    m_fineHAngleInput->setValue(0.0);
+    m_fineVAngleInput->setValue(0.0);
+    m_antialiasInput->setChecked(true);
+    m_mainHAngleInput->blockSignals(false);
+    m_mainVAngleInput->blockSignals(false);
+    m_fineHAngleInput->blockSignals(false);
+    m_fineVAngleInput->blockSignals(false);
+    m_antialiasInput->blockSignals(false);    
+} 
+
+void ImageEffect_ShearTool::prepareEffect()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+    m_mainHAngleInput->setEnabled(false);
+    m_mainVAngleInput->setEnabled(false);
+    m_fineHAngleInput->setEnabled(false);
+    m_fineVAngleInput->setEnabled(false);
+    m_antialiasInput->setEnabled(false);
+
+    float hAngle      = m_mainHAngleInput->value() + m_fineHAngleInput->value();
+    float vAngle      = m_mainVAngleInput->value() + m_fineVAngleInput->value();
+    bool antialiasing = m_antialiasInput->isChecked();    
+    TQColor background = paletteBackgroundColor().rgb();
+
+    Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
+    int orgW = iface->originalWidth();
+    int orgH = iface->originalHeight();
+    
+    uchar *data = iface->getPreviewImage();
+    Digikam::DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(),
+                        iface->previewHasAlpha(), data);
+    delete [] data;
+
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
+                       new ShearTool(&image, this, hAngle, vAngle, antialiasing, background, orgW, orgH));    
+}
+
+void ImageEffect_ShearTool::prepareFinal()
+{
+    m_mainHAngleInput->setEnabled(false);
+    m_mainVAngleInput->setEnabled(false);
+    m_fineHAngleInput->setEnabled(false);
+    m_fineVAngleInput->setEnabled(false);
+    m_antialiasInput->setEnabled(false);
+
+    float hAngle      = m_mainHAngleInput->value() + m_fineHAngleInput->value();
+    float vAngle      = m_mainVAngleInput->value() + m_fineVAngleInput->value();
+    bool antialiasing = m_antialiasInput->isChecked();    
+    TQColor background = TQt::black;
+            
+    Digikam::ImageIface iface(0, 0);
+    int orgW = iface.originalWidth();
+    int orgH = iface.originalHeight();
+
+    uchar *data = iface.getOriginalImage();
+    Digikam::DImg orgImage(orgW, orgH, iface.originalSixteenBit(),
+                           iface.originalHasAlpha(), data);
+    delete [] data;
+    
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
+                       new ShearTool(&orgImage, this, hAngle, vAngle, antialiasing, background, orgW, orgH));
+}
+
+void ImageEffect_ShearTool::putPreviewData(void)
+{
+    Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
+    int w = iface->previewWidth();
+    int h = iface->previewHeight();
+        
+    Digikam::DImg imTemp = m_threadedFilter->getTargetImage().smoothScale(w, h, TQSize::ScaleMin);
+    Digikam::DImg imDest( w, h, m_threadedFilter->getTargetImage().sixteenBit(),
+                                m_threadedFilter->getTargetImage().hasAlpha() );
+    
+    imDest.fill( Digikam::DColor(paletteBackgroundColor().rgb(),
+                                 m_threadedFilter->getTargetImage().sixteenBit()) );
+    imDest.bitBltImage(&imTemp, (w-imTemp.width())/2, (h-imTemp.height())/2);
+
+    iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(),
+                                               iface->previewHeight())).bits());
+                 
+    m_imagePreviewWidget->updatePreview();    
+    TQSize newSize = dynamic_cast<ShearTool *>(m_threadedFilter)->getNewSize();
+    TQString temp;
+    m_newWidthLabel->setText(temp.setNum( newSize.width()) + i18n(" px") );
+    m_newHeightLabel->setText(temp.setNum( newSize.height()) + i18n(" px") );
+}
+
+void ImageEffect_ShearTool::putFinalData(void)
+{
+    Digikam::ImageIface iface(0, 0);    
+    Digikam::DImg targetImage = m_threadedFilter->getTargetImage();
+    iface.putOriginalImage(i18n("Shear Tool"),
+                           targetImage.bits(),
+                           targetImage.width(), targetImage.height());
+}
+
+void ImageEffect_ShearTool::renderingFinished()
+{
+    m_mainHAngleInput->setEnabled(true);
+    m_mainVAngleInput->setEnabled(true);
+    m_fineHAngleInput->setEnabled(true);
+    m_fineVAngleInput->setEnabled(true);
+    m_antialiasInput->setEnabled(true);
+    kapp->restoreOverrideCursor();
+}
+
+}  // NameSpace DigikamShearToolImagesPlugin
+