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diff --git a/digikam/imageplugins/oilpaint/imageeffect_oilpaint.cpp b/digikam/imageplugins/oilpaint/imageeffect_oilpaint.cpp
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+++ b/digikam/imageplugins/oilpaint/imageeffect_oilpaint.cpp
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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-08-25
+ * Description : a plugin to simulate Oil Painting
+ * 
+ * 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.
+ * 
+ * ============================================================ */
+
+// Qt includes.
+
+#include <qlabel.h>
+#include <qwhatsthis.h>
+#include <qimage.h>
+#include <qlayout.h>
+
+// KDE includes.
+
+#include <kcursor.h>
+#include <klocale.h>
+#include <kaboutdata.h>
+#include <kiconloader.h>
+#include <kapplication.h>
+#include <kstandarddirs.h>
+#include <knuminput.h>
+#include <kconfig.h>
+
+// Local includes.
+
+#include "version.h"
+#include "ddebug.h"
+#include "dimg.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "oilpaint.h"
+#include "imageeffect_oilpaint.h"
+#include "imageeffect_oilpaint.moc"
+
+namespace DigikamOilPaintImagesPlugin
+{
+
+ImageEffect_OilPaint::ImageEffect_OilPaint(QWidget* parent)
+                    : Digikam::CtrlPanelDlg(parent, i18n("Apply Oil Paint Effect"), 
+                                            "oilpaint", false, false, true,
+                                            Digikam::ImagePannelWidget::SeparateViewAll)
+{
+    QString whatsThis;
+
+    KAboutData* about = new KAboutData("digikam",
+                                       I18N_NOOP("Oil Paint"), 
+                                       digikam_version,
+                                       I18N_NOOP("An oil painting image effect plugin for digiKam."),
+                                       KAboutData::License_GPL,
+                                       "(c) 2004-2005, Gilles Caulier\n"
+                                       "(c) 2006-2008, Gilles Caulier and Marcel Wiesweg", 
+                                       0,
+                                       "http://wwww.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("Oil paint algorithm"), 
+                     "pieter dot voloshyn at gmail dot com");
+
+    about->addAuthor("Marcel Wiesweg", I18N_NOOP("Developer"),
+                     "marcel dot wiesweg at gmx dot de");
+
+    setAboutData(about);
+
+    // -------------------------------------------------------------
+
+    QWidget *gboxSettings     = new QWidget(m_imagePreviewWidget);
+    QGridLayout* gridSettings = new QGridLayout( gboxSettings, 3, 1, 0, spacingHint());
+
+    QLabel *label1   = new QLabel(i18n("Brush size:"), gboxSettings);
+    m_brushSizeInput = new KIntNumInput(gboxSettings);
+    m_brushSizeInput->setRange(1, 5, 1, true);
+    QWhatsThis::add( m_brushSizeInput, i18n("<p>Set here the brush size to use for "
+                                            "simulating the oil painting.") );
+
+    gridSettings->addMultiCellWidget(label1, 0, 0, 0, 1);
+    gridSettings->addMultiCellWidget(m_brushSizeInput, 1, 1, 0, 1);
+
+    // -------------------------------------------------------------
+
+    QLabel *label2 = new QLabel(i18n("Smooth:"), gboxSettings);
+    m_smoothInput  = new KIntNumInput(gboxSettings);
+    m_smoothInput->setRange(10, 255, 1, true);
+    QWhatsThis::add( m_smoothInput, i18n("<p>This value controls the smoothing effect "
+                                         "of the brush under the canvas.") );
+
+    gridSettings->addMultiCellWidget(label2, 2, 2, 0, 1);
+    gridSettings->addMultiCellWidget(m_smoothInput, 3, 3, 0, 1);
+
+    m_imagePreviewWidget->setUserAreaWidget(gboxSettings);
+
+    // -------------------------------------------------------------
+
+    connect(m_brushSizeInput, SIGNAL(valueChanged (int)),
+            this, SLOT(slotTimer()));
+
+    connect(m_smoothInput, SIGNAL(valueChanged (int)),
+            this, SLOT(slotTimer()));
+}
+
+ImageEffect_OilPaint::~ImageEffect_OilPaint()
+{
+}
+
+void ImageEffect_OilPaint::renderingFinished()
+{
+    m_brushSizeInput->setEnabled(true);
+    m_smoothInput->setEnabled(true);
+}
+
+void ImageEffect_OilPaint::readUserSettings()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("oilpaint Tool Dialog");
+    m_brushSizeInput->blockSignals(true);
+    m_smoothInput->blockSignals(true);
+    m_brushSizeInput->setValue(config->readNumEntry("BrushSize", 1));
+    m_smoothInput->setValue(config->readNumEntry("SmoothAjustment", 30));
+    m_brushSizeInput->blockSignals(false);
+    m_smoothInput->blockSignals(false);
+}
+
+void ImageEffect_OilPaint::writeUserSettings()
+{
+    KConfig* config = kapp->config();
+    config->setGroup("oilpaint Tool Dialog");
+    config->writeEntry("BrushSize", m_brushSizeInput->value());
+    config->writeEntry("SmoothAjustment", m_smoothInput->value());
+    config->sync();
+}
+
+void ImageEffect_OilPaint::resetValues()
+{
+    m_brushSizeInput->blockSignals(true);
+    m_smoothInput->blockSignals(true);
+    m_brushSizeInput->setValue(1);
+    m_smoothInput->setValue(30);
+    m_brushSizeInput->blockSignals(false);
+    m_smoothInput->blockSignals(false);
+} 
+
+void ImageEffect_OilPaint::prepareEffect()
+{
+    m_brushSizeInput->setEnabled(false);
+    m_smoothInput->setEnabled(false);
+
+    Digikam::DImg image = m_imagePreviewWidget->getOriginalRegionImage();
+
+    int b = m_brushSizeInput->value();
+    int s = m_smoothInput->value();
+
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new OilPaint(&image, this, b, s));
+}
+
+void ImageEffect_OilPaint::prepareFinal()
+{
+    m_brushSizeInput->setEnabled(false);
+    m_smoothInput->setEnabled(false);
+
+    int b = m_brushSizeInput->value();
+    int s = m_smoothInput->value();
+
+    Digikam::ImageIface iface(0, 0);
+    m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new OilPaint(iface.getOriginalImg(), this, b, s));
+}
+
+void ImageEffect_OilPaint::putPreviewData(void)
+{
+    m_imagePreviewWidget->setPreviewImage(m_threadedFilter->getTargetImage());
+}
+
+void ImageEffect_OilPaint::putFinalData(void)
+{
+    Digikam::ImageIface iface(0, 0);
+
+    iface.putOriginalImage(i18n("Oil Paint"), 
+                        m_threadedFilter->getTargetImage().bits());
+}
+
+}  // NameSpace DigikamOilPaintImagesPlugin
+