Rename 'digikam' folder to 'src'

Signed-off-by: Michele Calgaro <[email protected]>

9 files changed, 1855 insertions, 0 deletions

diff --git a/src/imageplugins/adjustcurves/Makefile.am b/src/imageplugins/adjustcurves/Makefile.am
new file mode 100644
index 00000000..f798a7af
--- /dev/null
+++ b/src/imageplugins/adjustcurves/Makefile.am
@@ -0,0 +1,33 @@
+METASOURCES = AUTO
+
+INCLUDES = -I$(top_srcdir)/src/utilities/imageeditor/editor \
+	       -I$(top_srcdir)/src/utilities/imageeditor/canvas \
+	       -I$(top_srcdir)/src/libs/histogram \
+	       -I$(top_srcdir)/src/libs/levels \
+	       -I$(top_srcdir)/src/libs/curves \
+	       -I$(top_srcdir)/src/libs/whitebalance \
+	       -I$(top_srcdir)/src/libs/widgets/common \
+	       -I$(top_srcdir)/src/libs/widgets/iccprofiles \
+	       -I$(top_srcdir)/src/libs/widgets/imageplugins \
+	       -I$(top_srcdir)/src/libs/dialogs \
+	       -I$(top_srcdir)/src/libs/dimg \
+	       -I$(top_srcdir)/src/libs/dmetadata \
+	       -I$(top_srcdir)/src/libs/dimg/filters \
+	       -I$(top_srcdir)/src/digikam \
+	       $(LIBKDCRAW_CFLAGS) \
+	       $(all_includes) 
+
+digikamimageplugin_adjustcurves_la_SOURCES = imageplugin_adjustcurves.cpp \
+	                                         adjustcurvestool.cpp 
+
+digikamimageplugin_adjustcurves_la_LIBADD = $(LIB_TDEPARTS) \
+	                                        $(top_builddir)/src/digikam/libdigikam.la
+
+digikamimageplugin_adjustcurves_la_LDFLAGS = -module $(KDE_PLUGIN) $(all_libraries) -ltdecore -ltdeui $(LIB_TQT) -ltdefx -lkdcraw -ltdeio
+
+kde_services_DATA = digikamimageplugin_adjustcurves.desktop
+
+kde_module_LTLIBRARIES = digikamimageplugin_adjustcurves.la
+
+rcdir = $(kde_datadir)/digikam
+rc_DATA = digikamimageplugin_adjustcurves_ui.rc
diff --git a/src/imageplugins/adjustcurves/adjustcurves.cpp b/src/imageplugins/adjustcurves/adjustcurves.cpp
new file mode 100644
index 00000000..ace9c9b3
--- /dev/null
+++ b/src/imageplugins/adjustcurves/adjustcurves.cpp
@@ -0,0 +1,677 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+// C++ includes.
+
+#include <cmath>
+
+// TQt includes.
+
+#include <tqlayout.h>
+#include <tqcolor.h>
+#include <tqgroupbox.h>
+#include <tqhgroupbox.h>
+#include <tqvgroupbox.h>
+#include <tqlabel.h>
+#include <tqpainter.h>
+#include <tqcombobox.h>
+#include <tqspinbox.h>
+#include <tqwhatsthis.h>
+#include <tqtooltip.h>
+#include <tqpushbutton.h>
+#include <tqlayout.h>
+#include <tqframe.h>
+#include <tqtimer.h>
+#include <tqhbuttongroup.h> 
+#include <tqpixmap.h>
+
+// KDE includes.
+
+#include <tdeconfig.h>
+#include <kcursor.h>
+#include <tdelocale.h>
+#include <knuminput.h>
+#include <tdemessagebox.h>
+#include <tdeselect.h>
+#include <tdefiledialog.h>
+#include <tdeglobalsettings.h>
+#include <tdeaboutdata.h>
+#include <khelpmenu.h>
+#include <kiconloader.h>
+#include <tdeapplication.h>
+#include <tdepopupmenu.h>
+#include <kstandarddirs.h>
+
+// Local includes.
+
+#include "version.h"
+#include "ddebug.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "imagehistogram.h"
+#include "imagecurves.h"
+#include "histogramwidget.h"
+#include "curveswidget.h"
+#include "colorgradientwidget.h"
+#include "dimgimagefilters.h"
+#include "adjustcurves.h"
+#include "adjustcurves.moc"
+
+namespace DigikamAdjustCurvesImagesPlugin
+{
+
+AdjustCurveDialog::AdjustCurveDialog(TQWidget* parent)
+                 : Digikam::ImageDlgBase(parent, i18n("Adjust Color Curves"), "adjustcurves", true, false)
+{
+    m_destinationPreviewData = 0L;
+
+    Digikam::ImageIface iface(0, 0);
+    uchar *data     = iface.getOriginalImage();
+    int w           = iface.originalWidth();
+    int h           = iface.originalHeight();
+    bool sixteenBit = iface.originalSixteenBit();
+    bool hasAlpha   = iface.originalHasAlpha();
+    m_originalImage = Digikam::DImg(w, h, sixteenBit, hasAlpha ,data);
+    delete [] data;
+
+    m_histoSegments = m_originalImage.sixteenBit() ? 65535 : 255;
+    m_curves = new Digikam::ImageCurves(m_originalImage.sixteenBit());
+
+    // About data and help button.
+
+    TDEAboutData* about = new TDEAboutData("digikam",
+                                       I18N_NOOP("Adjust Color Curves"),
+                                       digikam_version,
+                                       I18N_NOOP("An image-histogram-curves adjustment plugin for digiKam."),
+                                       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");
+
+    setAboutData(about);
+    
+    // -------------------------------------------------------------
+
+    m_previewWidget = new Digikam::ImageWidget("adjustcurves Tool Dialog", plainPage(),
+                                               i18n("<p>This is the image's curve-adjustments preview. "
+                                                    "You can pick a spot on the image "
+                                                    "to see the corresponding level in the histogram."));
+    setPreviewAreaWidget(m_previewWidget); 
+
+    // -------------------------------------------------------------
+
+    TQWidget *gboxSettings = new TQWidget(plainPage());
+    TQGridLayout* grid     = new TQGridLayout( gboxSettings, 5, 5, spacingHint());
+
+    TQLabel *label1 = new TQLabel(i18n("Channel:"), gboxSettings);
+    label1->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
+    m_channelCB = new TQComboBox( false, gboxSettings );
+    m_channelCB->insertItem( i18n("Luminosity") );
+    m_channelCB->insertItem( i18n("Red") );
+    m_channelCB->insertItem( i18n("Green") );
+    m_channelCB->insertItem( i18n("Blue") );
+    m_channelCB->insertItem( i18n("Alpha") );
+    m_channelCB->setCurrentText( i18n("Luminosity") );
+    TQWhatsThis::add( m_channelCB, i18n("<p>Select the histogram channel to display here:<p>"
+                                       "<b>Luminosity</b>: display the image's luminosity values.<p>"
+                                       "<b>Red</b>: display the red image-channel values.<p>"
+                                       "<b>Green</b>: display the green image-channel values.<p>"
+                                       "<b>Blue</b>: display the blue image-channel values.<p>"
+                                       "<b>Alpha</b>: display the alpha image-channel values. "
+                                       "This channel corresponds to the transparency value and "
+                                       "is supported by some image formats, such as PNG or TIF."));
+
+    m_scaleBG = new TQHButtonGroup(gboxSettings);
+    TQWhatsThis::add( m_scaleBG, i18n("<p>Select the histogram scale here.<p>"
+                                     "If the image's maximal counts are small, you can use the linear scale.<p>"
+                                     "Logarithmic scale can be used when the maximal counts are big; "
+                                     "if it is used, all values (small and large) will be visible on the graph."));
+    
+    TQPushButton *linHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( linHistoButton, i18n( "<p>Linear" ) );
+    m_scaleBG->insert(linHistoButton, Digikam::CurvesWidget::LinScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-lin", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    TQString directory = TDEGlobal::dirs()->findResourceDir("histogram-lin", "histogram-lin.png");
+    linHistoButton->setPixmap( TQPixmap( directory + "histogram-lin.png" ) );
+    linHistoButton->setToggleButton(true);
+    
+    TQPushButton *logHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( logHistoButton, i18n( "<p>Logarithmic" ) );
+    m_scaleBG->insert(logHistoButton, Digikam::CurvesWidget::LogScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-log", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("histogram-log", "histogram-log.png");
+    logHistoButton->setPixmap( TQPixmap( directory + "histogram-log.png" ) );
+    logHistoButton->setToggleButton(true);
+    
+    m_scaleBG->setExclusive(true);
+    m_scaleBG->setButton(Digikam::CurvesWidget::LogScaleHistogram);
+    m_scaleBG->setFrameShape(TQFrame::NoFrame);
+    m_scaleBG->setInsideMargin( 0 );
+
+    TQHBoxLayout* l1 = new TQHBoxLayout();
+    l1->addStretch(10);
+    l1->addWidget(m_scaleBG);
+    
+    grid->addMultiCellWidget(label1, 0, 0, 1, 1);
+    grid->addMultiCellWidget(m_channelCB, 0, 0, 2, 2);
+    grid->addMultiCellLayout(l1, 0, 0, 4, 5);
+    
+    // -------------------------------------------------------------
+
+    TQWidget *curveBox = new TQWidget(gboxSettings);
+    TQGridLayout* gl   = new TQGridLayout(curveBox, 4, 2, 0);
+
+    m_histogramWidget = new Digikam::HistogramWidget(256, 140, curveBox, false, true, true);
+    TQWhatsThis::add( m_histogramWidget, i18n("<p>Here you can see the target preview image histogram drawing "
+                                             "of the selected image channel. This one is re-computed at any "
+                                             "curves settings changes."));
+    
+    m_vGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Vertical, 10, curveBox );
+    m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+
+    TQLabel *spacev = new TQLabel(curveBox);
+    spacev->setFixedWidth(1);
+
+    m_curvesWidget = new Digikam::CurvesWidget(256, 256, m_originalImage.bits(), m_originalImage.width(),
+                                               m_originalImage.height(), m_originalImage.sixteenBit(),
+                                               m_curves, curveBox);
+    TQWhatsThis::add( m_curvesWidget, i18n("<p>This is the curve drawing of the selected channel from "
+                                          "original image"));
+    
+    TQLabel *spaceh = new TQLabel(curveBox);
+    spaceh->setFixedHeight(1);
+
+    m_hGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Horizontal, 10, curveBox );
+    m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+
+    gl->addMultiCellWidget(m_histogramWidget, 0, 0, 2, 2);
+    gl->addMultiCellWidget(m_vGradient, 2, 2, 0, 0);
+    gl->addMultiCellWidget(spacev, 2, 2, 1, 1);
+    gl->addMultiCellWidget(m_curvesWidget, 2, 2, 2, 2);
+    gl->addMultiCellWidget(spaceh, 3, 3, 2, 2);
+    gl->addMultiCellWidget(m_hGradient, 4, 4, 2, 2);
+    gl->setRowSpacing(1, spacingHint());
+
+    grid->addMultiCellWidget(curveBox, 2, 3, 0, 5);
+    
+    // -------------------------------------------------------------
+    
+    m_curveType = new TQHButtonGroup(gboxSettings);
+    m_curveFree = new TQPushButton(m_curveType);
+    m_curveType->insert(m_curveFree, FreeDrawing);
+    TDEGlobal::dirs()->addResourceType("curvefree", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("curvefree", "curvefree.png");
+    m_curveFree->setPixmap( TQPixmap( directory + "curvefree.png" ) );
+    m_curveFree->setToggleButton(true);
+    TQToolTip::add( m_curveFree, i18n( "Curve free mode" ) );
+    TQWhatsThis::add( m_curveFree, i18n("<p>With this button, you can draw your curve free-hand with the mouse."));
+    m_curveSmooth = new TQPushButton(m_curveType);
+    m_curveType->insert(m_curveSmooth, SmoothDrawing);
+    TDEGlobal::dirs()->addResourceType("curvemooth", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("curvemooth", "curvemooth.png");
+    m_curveSmooth->setPixmap( TQPixmap( directory + "curvemooth.png" ) );
+    m_curveSmooth->setToggleButton(true);
+    TQToolTip::add( m_curveSmooth, i18n( "Curve smooth mode" ) );
+    TQWhatsThis::add( m_curveSmooth, i18n("<p>With this button, you constrains the curve type to a smooth line with tension."));
+    m_curveType->setExclusive(true);
+    m_curveType->setButton(SmoothDrawing);
+    m_curveType->setFrameShape(TQFrame::NoFrame);
+    
+    // -------------------------------------------------------------
+    
+    m_pickerColorButtonGroup = new TQHButtonGroup(gboxSettings);
+    m_pickBlack = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickBlack, BlackTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-black", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-black", "color-picker-black.png");
+    m_pickBlack->setPixmap( TQPixmap( directory + "color-picker-black.png" ) );
+    m_pickBlack->setToggleButton(true);
+    TQToolTip::add( m_pickBlack, i18n( "All channels shadow tone color picker" ) );
+    TQWhatsThis::add( m_pickBlack, i18n("<p>With this button, you can pick the color from original image used to set <b>Shadow Tone</b> "
+                                       "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickGray  = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickGray, GrayTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-grey", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-grey", "color-picker-grey.png");
+    m_pickGray->setPixmap( TQPixmap( directory + "color-picker-grey.png" ) );
+    m_pickGray->setToggleButton(true);
+    TQToolTip::add( m_pickGray, i18n( "All channels middle tone color picker" ) );
+    TQWhatsThis::add( m_pickGray, i18n("<p>With this button, you can pick the color from original image used to set <b>Middle Tone</b> "
+                                      "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickWhite = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickWhite, WhiteTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-white", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-white", "color-picker-white.png");
+    m_pickWhite->setPixmap( TQPixmap( directory + "color-picker-white.png" ) );
+    m_pickWhite->setToggleButton(true);
+    TQToolTip::add( m_pickWhite, i18n( "All channels highlight tone color picker" ) );
+    TQWhatsThis::add( m_pickWhite, i18n("<p>With this button, you can pick the color from original image used to set <b>Highlight Tone</b> "
+                                       "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickerColorButtonGroup->setExclusive(true);
+    m_pickerColorButtonGroup->setFrameShape(TQFrame::NoFrame);
+    
+    // -------------------------------------------------------------
+
+    m_resetButton = new TQPushButton(i18n("&Reset"), gboxSettings);
+    m_resetButton->setPixmap( SmallIcon("reload_page", 18) );
+    TQToolTip::add( m_resetButton, i18n( "Reset current channel curves' values." ) );
+    TQWhatsThis::add( m_resetButton, i18n("<p>If you press this button, all curves' values "
+                                         "from the current selected channel "
+                                         "will be reset to the default values."));
+
+    TQHBoxLayout* l3 = new TQHBoxLayout();
+    l3->addWidget(m_curveType);
+    l3->addWidget(m_pickerColorButtonGroup);
+    l3->addWidget(m_resetButton);
+    l3->addStretch(10);
+    
+    grid->addMultiCellLayout(l3, 4, 4, 1, 5);
+    
+    // -------------------------------------------------------------
+            
+
+    grid->setRowStretch(5, 10);
+    setUserAreaWidget(gboxSettings);
+
+    // -------------------------------------------------------------
+    
+    connect(m_curvesWidget, TQ_SIGNAL(signalCurvesChanged()),
+            this, TQ_SLOT(slotTimer()));
+    
+    connect(m_previewWidget, TQ_SIGNAL(spotPositionChangedFromOriginal( const Digikam::DColor &, const TQPoint & )),
+            this, TQ_SLOT(slotSpotColorChanged( const Digikam::DColor & )));
+
+    connect(m_previewWidget, TQ_SIGNAL(spotPositionChangedFromTarget( const Digikam::DColor &, const TQPoint & )),
+            this, TQ_SLOT(slotColorSelectedFromTarget( const Digikam::DColor & )));
+            
+    connect(m_previewWidget, TQ_SIGNAL(signalResized()),
+            this, TQ_SLOT(slotEffect()));                                                            
+            
+    // -------------------------------------------------------------
+    // ComboBox slots.
+
+    connect(m_channelCB, TQ_SIGNAL(activated(int)),
+            this, TQ_SLOT(slotChannelChanged(int)));
+
+    connect(m_scaleBG, TQ_SIGNAL(released(int)),
+            this, TQ_SLOT(slotScaleChanged(int)));
+            
+    connect(m_curveType, TQ_SIGNAL(clicked(int)),
+            this, TQ_SLOT(slotCurveTypeChanged(int)));
+    
+    // -------------------------------------------------------------
+    // Bouttons slots.
+
+    connect(m_resetButton, TQ_SIGNAL(clicked()),
+            this, TQ_SLOT(slotResetCurrentChannel()));
+
+    connect(m_pickerColorButtonGroup, TQ_SIGNAL(released(int)),
+            this, TQ_SLOT(slotPickerColorButtonActived()));
+}
+
+AdjustCurveDialog::~AdjustCurveDialog()
+{
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData) 
+       delete [] m_destinationPreviewData;
+       
+    delete m_histogramWidget;
+    delete m_curvesWidget;
+    delete m_previewWidget;
+    delete m_curves;
+}
+
+void AdjustCurveDialog::slotPickerColorButtonActived()
+{
+    // Save previous rendering mode and toggle to original image.
+    m_currentPreviewMode = m_previewWidget->getRenderingPreviewMode();
+    m_previewWidget->setRenderingPreviewMode(Digikam::ImageGuideWidget::PreviewOriginalImage);
+}
+
+void AdjustCurveDialog::slotSpotColorChanged(const Digikam::DColor &color)
+{
+    Digikam::DColor sc = color;
+
+    if ( m_pickBlack->isOn() )
+    {
+       // Black tonal curves point.
+       m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 1, 
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 42*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 1, TQPoint(sc.red(), 42*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 1, TQPoint(sc.green(), 42*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 1, TQPoint(sc.blue(), 42*m_histoSegments/256));
+       m_pickBlack->setOn(false);
+    }
+    else if ( m_pickGray->isOn() )
+    {
+       // Gray tonal curves point.
+       m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 8, 
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 128*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 8, TQPoint(sc.red(), 128*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 8, TQPoint(sc.green(), 128*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 8, TQPoint(sc.blue(), 128*m_histoSegments/256));
+       m_pickGray->setOn(false);
+    }
+    else if ( m_pickWhite->isOn() )
+    {
+       // White tonal curves point.
+       m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, 15,
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 213*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::RedChannel, 15, TQPoint(sc.red(), 213*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::GreenChannel, 15, TQPoint(sc.green(), 213*m_histoSegments/256));
+       m_curves->setCurvePoint(Digikam::ImageHistogram::BlueChannel, 15, TQPoint(sc.blue(), 213*m_histoSegments/256));
+       m_pickWhite->setOn(false);
+    }
+    else
+    {
+       m_curvesWidget->setCurveGuide(color);
+       return;
+    }
+
+    // Calculate Red, green, blue curves.
+    
+    for (int i = Digikam::ImageHistogram::ValueChannel ; i <= Digikam::ImageHistogram::BlueChannel ; i++)
+       m_curves->curvesCalculateCurve(i);
+    
+    m_curvesWidget->repaint(false);
+    
+    // restore previous rendering mode.
+    m_previewWidget->setRenderingPreviewMode(m_currentPreviewMode);
+       
+    slotEffect();  
+}
+
+void AdjustCurveDialog::slotColorSelectedFromTarget( const Digikam::DColor &color )
+{
+    m_histogramWidget->setHistogramGuideByColor(color);
+}
+
+void AdjustCurveDialog::slotResetCurrentChannel()
+{
+    m_curves->curvesChannelReset(m_channelCB->currentItem());
+
+    m_curvesWidget->reset();
+    slotEffect();
+    m_histogramWidget->reset();
+}
+
+void AdjustCurveDialog::slotEffect()
+{
+    Digikam::ImageIface* iface = m_previewWidget->imageIface();
+    uchar *orgData             = iface->getPreviewImage();
+    int w                      = iface->previewWidth();
+    int h                      = iface->previewHeight();
+    bool sb                    = iface->previewSixteenBit();
+
+    // Create the new empty destination image data space.
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData) 
+       delete [] m_destinationPreviewData;
+    
+    m_destinationPreviewData = new uchar[w*h*(sb ? 8 : 4)];
+
+    // Calculate the LUT to apply on the image.
+    m_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
+
+    // Apply the lut to the image.
+    m_curves->curvesLutProcess(orgData, m_destinationPreviewData, w, h);
+
+    iface->putPreviewImage(m_destinationPreviewData);
+    m_previewWidget->updatePreview();
+
+    // Update histogram.
+    m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
+    delete [] orgData;
+}
+
+void AdjustCurveDialog::finalRendering()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+    Digikam::ImageIface* iface = m_previewWidget->imageIface();
+    uchar *orgData             = iface->getOriginalImage();
+    int w                      = iface->originalWidth();
+    int h                      = iface->originalHeight();
+    bool sb                    = iface->originalSixteenBit();
+    
+    // Create the new empty destination image data space.
+    uchar* desData = new uchar[w*h*(sb ? 8 : 4)];
+
+    // Calculate the LUT to apply on the image.
+    m_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
+
+    // Apply the lut to the image.
+    m_curves->curvesLutProcess(orgData, desData, w, h);
+
+    iface->putOriginalImage(i18n("Adjust Curve"), desData);
+    kapp->restoreOverrideCursor();
+
+    delete [] orgData;
+    delete [] desData;
+    accept();
+}
+
+void AdjustCurveDialog::slotChannelChanged(int channel)
+{
+    switch(channel)
+    {
+       case LuminosityChannel:
+          m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+          m_curvesWidget->m_channelType = Digikam::CurvesWidget::ValueHistogram;
+          m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+          break;
+       
+        case RedChannel:
+          m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
+          m_curvesWidget->m_channelType = Digikam::CurvesWidget::RedChannelHistogram;
+          m_vGradient->setColors( TQColor( "red" ), TQColor( "black" ) );
+          break;
+
+       case GreenChannel:
+          m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
+          m_curvesWidget->m_channelType = Digikam::CurvesWidget::GreenChannelHistogram;
+          m_vGradient->setColors( TQColor( "green" ), TQColor( "black" ) );
+          break;
+
+       case BlueChannel:
+          m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
+          m_curvesWidget->m_channelType = Digikam::CurvesWidget::BlueChannelHistogram;
+          m_vGradient->setColors( TQColor( "blue" ), TQColor( "black" ) );
+          break;
+
+       case AlphaChannel:
+          m_histogramWidget->m_channelType = Digikam::HistogramWidget::AlphaChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+          m_curvesWidget->m_channelType = Digikam::CurvesWidget::AlphaChannelHistogram;
+          m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+          break;
+    }
+
+    m_curveType->setButton(m_curves->getCurveType(channel));
+                
+    m_curvesWidget->repaint(false);
+    m_histogramWidget->repaint(false);
+}
+
+void AdjustCurveDialog::slotScaleChanged(int scale)
+{
+    m_curvesWidget->m_scaleType = scale;
+    m_histogramWidget->m_scaleType = scale;
+    m_histogramWidget->repaint(false);
+    m_curvesWidget->repaint(false);
+}
+
+void AdjustCurveDialog::slotCurveTypeChanged(int type)
+{
+    switch(type)
+    {
+       case SmoothDrawing:          
+       {
+          m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_SMOOTH);
+          m_pickerColorButtonGroup->setEnabled(true);
+          break;
+       }
+       
+       case FreeDrawing:          
+       {
+          m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_FREE);
+          m_pickerColorButtonGroup->setEnabled(false);
+          break;
+       }
+    }
+    
+    m_curvesWidget->curveTypeChanged();
+}
+
+void AdjustCurveDialog::readUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("adjustcurves Tool Dialog");
+
+    m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0));    // Luminosity.
+    m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
+
+    m_curvesWidget->reset();
+
+    for (int i = 0 ; i < 5 ; i++)
+    {
+        m_curves->curvesChannelReset(i);
+        m_curves->setCurveType(i, (Digikam::ImageCurves::CurveType)config->readNumEntry(TQString("CurveTypeChannel%1").arg(i),
+                                                                                        Digikam::ImageCurves::CURVE_SMOOTH));
+
+        for (int j = 0 ; j < 17 ; j++)
+        {
+            TQPoint disable(-1, -1);
+            TQPoint p = config->readPointEntry(TQString("CurveAjustmentChannel%1Point%2").arg(i).arg(j), &disable);
+    
+            if (m_originalImage.sixteenBit() && p.x() != -1)
+            {
+                p.setX(p.x()*255);
+                p.setY(p.y()*255);
+            }
+    
+            m_curves->setCurvePoint(i, j, p);
+        }
+ 
+        m_curves->curvesCalculateCurve(i);
+    }
+
+    slotChannelChanged(m_channelCB->currentItem());
+    slotScaleChanged(m_scaleBG->selectedId());
+}
+
+void AdjustCurveDialog::writeUserSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("adjustcurves Tool Dialog");
+    config->writeEntry("Histogram Channel", m_channelCB->currentItem());
+    config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
+
+    for (int i = 0 ; i < 5 ; i++)
+    {
+        config->writeEntry(TQString("CurveTypeChannel%1").arg(i), m_curves->getCurveType(i));
+        
+        for (int j = 0 ; j < 17 ; j++)
+        {
+            TQPoint p = m_curves->getCurvePoint(i, j);
+    
+            if (m_originalImage.sixteenBit() && p.x() != -1)
+            {
+                p.setX(p.x()/255);
+                p.setY(p.y()/255);
+            }
+    
+            config->writeEntry(TQString("CurveAjustmentChannel%1Point%2").arg(i).arg(j), p);
+        }
+    }
+
+    config->sync();
+}
+
+void AdjustCurveDialog::resetValues()
+{
+    for (int channel = 0 ; channel < 5 ; channel++)
+       m_curves->curvesChannelReset(channel);
+
+    m_curvesWidget->reset();
+    m_histogramWidget->reset();
+}
+
+// Load all settings.
+void AdjustCurveDialog::slotUser3()
+{
+    KURL loadCurvesFile;
+
+    loadCurvesFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
+                                             TQString( "*" ), this,
+                                             TQString( i18n("Select Gimp Curves File to Load")) );
+    if( loadCurvesFile.isEmpty() )
+       return;
+
+    if ( m_curves->loadCurvesFromGimpCurvesFile( loadCurvesFile ) == false )
+    {
+       KMessageBox::error(this, i18n("Cannot load from the Gimp curves text file."));
+       return;
+    }
+
+    // Refresh the current curves config.
+    slotChannelChanged(m_channelCB->currentItem());
+    slotEffect();
+}
+
+// Save all settings.
+void AdjustCurveDialog::slotUser2()
+{
+    KURL saveCurvesFile;
+
+    saveCurvesFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
+                                             TQString( "*" ), this,
+                                             TQString( i18n("Gimp Curves File to Save")) );
+    if( saveCurvesFile.isEmpty() )
+       return;
+
+    if ( m_curves->saveCurvesToGimpCurvesFile( saveCurvesFile ) == false )
+    {
+       KMessageBox::error(this, i18n("Cannot save to the Gimp curves text file."));
+       return;
+    }
+
+    // Refresh the current curves config.
+    slotChannelChanged(m_channelCB->currentItem());
+}
+
+}  // NameSpace DigikamAdjustCurvesImagesPlugin
+
diff --git a/src/imageplugins/adjustcurves/adjustcurves.h b/src/imageplugins/adjustcurves/adjustcurves.h
new file mode 100644
index 00000000..f4cad2f2
--- /dev/null
+++ b/src/imageplugins/adjustcurves/adjustcurves.h
@@ -0,0 +1,143 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves. 
+ * 
+ * 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.
+ * 
+ * ============================================================ */
+
+#ifndef ADJUSTCURVES_H
+#define ADJUSTCURVES_H
+
+// Digikam includes.
+
+#include "imagedlgbase.h"
+#include "dimg.h"
+
+// Local includes.
+
+class TQComboBox;
+class TQPushButton;
+class TQHButtonGroup;
+
+namespace Digikam
+{   
+class CurvesWidget;
+class HistogramWidget;
+class ColorGradientWidget;
+class ImageWidget;
+class ImageCurves;
+}
+
+namespace DigikamAdjustCurvesImagesPlugin
+{
+
+class AdjustCurveDialog : public Digikam::ImageDlgBase
+{
+    TQ_OBJECT
+  
+
+public:
+
+    AdjustCurveDialog(TQWidget *parent);
+    ~AdjustCurveDialog();
+
+private:
+
+    void readUserSettings();
+    void writeUserSettings();
+    void resetValues();
+    void finalRendering();
+    
+private slots:
+
+    void slotUser2();
+    void slotUser3();
+    void slotEffect();
+    void slotResetCurrentChannel();
+    void slotChannelChanged(int channel);
+    void slotScaleChanged(int scale);
+    void slotCurveTypeChanged(int type);
+    void slotSpotColorChanged(const Digikam::DColor &color);
+    void slotColorSelectedFromTarget(const Digikam::DColor &color);
+    void slotPickerColorButtonActived();
+
+private:
+    
+    enum ColorPicker
+    {
+        BlackTonal=0,
+        GrayTonal,
+        WhiteTonal
+    };
+
+    enum ColorChannel
+    {
+        LuminosityChannel=0,
+        RedChannel,
+        GreenChannel,
+        BlueChannel,
+        AlphaChannel
+    };
+    
+    enum CurvesDrawingType
+    {
+        SmoothDrawing=0,
+        FreeDrawing
+    };
+    
+    enum HistogramScale
+    {
+        Linear=0,
+        Logarithmic
+    };
+    
+    uchar                        *m_destinationPreviewData;
+
+    int                           m_histoSegments;
+    int                           m_currentPreviewMode;
+        
+    TQComboBox                    *m_channelCB;    
+    
+    TQPushButton                  *m_resetButton;
+    TQPushButton                  *m_pickBlack;
+    TQPushButton                  *m_pickGray;
+    TQPushButton                  *m_pickWhite;
+    TQPushButton                  *m_curveFree;
+    TQPushButton                  *m_curveSmooth;
+    
+    TQHButtonGroup                *m_pickerColorButtonGroup;
+    TQHButtonGroup                *m_scaleBG;  
+    TQHButtonGroup                *m_curveType;
+    
+    Digikam::CurvesWidget        *m_curvesWidget;
+
+    Digikam::HistogramWidget     *m_histogramWidget;
+    
+    Digikam::ColorGradientWidget *m_hGradient;
+    Digikam::ColorGradientWidget *m_vGradient;
+        
+    Digikam::ImageWidget         *m_previewWidget;
+
+    Digikam::ImageCurves         *m_curves;
+    Digikam::DImg                 m_originalImage;
+};
+
+}  // NameSpace DigikamAdjustCurvesImagesPlugin
+
+#endif /* ADJUSTCURVES_H */
diff --git a/src/imageplugins/adjustcurves/adjustcurvestool.cpp b/src/imageplugins/adjustcurves/adjustcurvestool.cpp
new file mode 100644
index 00000000..7bfd00f7
--- /dev/null
+++ b/src/imageplugins/adjustcurves/adjustcurvestool.cpp
@@ -0,0 +1,659 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+// C++ includes.
+
+#include <cmath>
+
+// TQt includes.
+
+#include <tqlayout.h>
+#include <tqcolor.h>
+#include <tqgroupbox.h>
+#include <tqhgroupbox.h>
+#include <tqvgroupbox.h>
+#include <tqlabel.h>
+#include <tqpainter.h>
+#include <tqcombobox.h>
+#include <tqspinbox.h>
+#include <tqwhatsthis.h>
+#include <tqtooltip.h>
+#include <tqpushbutton.h>
+#include <tqlayout.h>
+#include <tqframe.h>
+#include <tqtimer.h>
+#include <tqhbuttongroup.h>
+#include <tqpixmap.h>
+
+// KDE includes.
+
+#include <tdeconfig.h>
+#include <kcursor.h>
+#include <tdelocale.h>
+#include <knuminput.h>
+#include <tdemessagebox.h>
+#include <tdeselect.h>
+#include <tdefiledialog.h>
+#include <tdeglobalsettings.h>
+#include <tdeaboutdata.h>
+#include <khelpmenu.h>
+#include <kiconloader.h>
+#include <tdeapplication.h>
+#include <tdepopupmenu.h>
+#include <kstandarddirs.h>
+#include <kpushbutton.h>
+
+// Local includes.
+
+#include "daboutdata.h"
+#include "ddebug.h"
+#include "dimg.h"
+#include "imageiface.h"
+#include "imagewidget.h"
+#include "imagehistogram.h"
+#include "imagecurves.h"
+#include "editortoolsettings.h"
+#include "histogramwidget.h"
+#include "curveswidget.h"
+#include "colorgradientwidget.h"
+#include "dimgimagefilters.h"
+#include "adjustcurvestool.h"
+#include "adjustcurvestool.moc"
+
+using namespace Digikam;
+
+namespace DigikamAdjustCurvesImagesPlugin
+{
+
+AdjustCurvesTool::AdjustCurvesTool(TQObject* parent)
+                : EditorTool(parent)
+{
+    m_destinationPreviewData = 0;
+
+    ImageIface iface(0, 0);
+    m_originalImage = iface.getOriginalImg();
+
+    m_histoSegments = m_originalImage->sixteenBit() ? 65535 : 255;
+
+    setName("adjustcurves");
+    setToolName(i18n("Adjust Curves"));
+    setToolIcon(SmallIcon("adjustcurves"));
+
+    // -------------------------------------------------------------
+
+    m_previewWidget = new ImageWidget("adjustcurves Tool", 0,
+                                      i18n("<p>This is the image's curve-adjustments preview. "
+                                           "You can pick a spot on the image "
+                                           "to see the corresponding level in the histogram."));
+    setToolView(m_previewWidget);
+
+    // -------------------------------------------------------------
+
+    m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
+                                            EditorToolSettings::Load|
+                                            EditorToolSettings::SaveAs|
+                                            EditorToolSettings::Ok|
+                                            EditorToolSettings::Cancel);
+
+    TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 5, 5);
+
+    TQLabel *label1 = new TQLabel(i18n("Channel:"), m_gboxSettings->plainPage());
+    label1->setAlignment ( TQt::AlignRight | TQt::AlignVCenter );
+    m_channelCB = new TQComboBox( false, m_gboxSettings->plainPage() );
+    m_channelCB->insertItem( i18n("Luminosity") );
+    m_channelCB->insertItem( i18n("Red") );
+    m_channelCB->insertItem( i18n("Green") );
+    m_channelCB->insertItem( i18n("Blue") );
+    m_channelCB->insertItem( i18n("Alpha") );
+    m_channelCB->setCurrentText( i18n("Luminosity") );
+    TQWhatsThis::add( m_channelCB, i18n("<p>Select the histogram channel to display here:<p>"
+                                       "<b>Luminosity</b>: display the image's luminosity values.<p>"
+                                       "<b>Red</b>: display the red image-channel values.<p>"
+                                       "<b>Green</b>: display the green image-channel values.<p>"
+                                       "<b>Blue</b>: display the blue image-channel values.<p>"
+                                       "<b>Alpha</b>: display the alpha image-channel values. "
+                                       "This channel corresponds to the transparency value and "
+                                       "is supported by some image formats, such as PNG or TIF."));
+
+    m_scaleBG = new TQHButtonGroup(m_gboxSettings->plainPage());
+    TQWhatsThis::add( m_scaleBG, i18n("<p>Select the histogram scale here.<p>"
+                                     "If the image's maximal counts are small, you can use the linear scale.<p>"
+                                     "Logarithmic scale can be used when the maximal counts are big; "
+                                     "if it is used, all values (small and large) will be visible on the graph."));
+
+    TQPushButton *linHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( linHistoButton, i18n( "<p>Linear" ) );
+    m_scaleBG->insert(linHistoButton, CurvesWidget::LinScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-lin", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    TQString directory = TDEGlobal::dirs()->findResourceDir("histogram-lin", "histogram-lin.png");
+    linHistoButton->setPixmap( TQPixmap( directory + "histogram-lin.png" ) );
+    linHistoButton->setToggleButton(true);
+
+    TQPushButton *logHistoButton = new TQPushButton( m_scaleBG );
+    TQToolTip::add( logHistoButton, i18n( "<p>Logarithmic" ) );
+    m_scaleBG->insert(logHistoButton, CurvesWidget::LogScaleHistogram);
+    TDEGlobal::dirs()->addResourceType("histogram-log", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("histogram-log", "histogram-log.png");
+    logHistoButton->setPixmap( TQPixmap( directory + "histogram-log.png" ) );
+    logHistoButton->setToggleButton(true);
+
+    m_scaleBG->setExclusive(true);
+    m_scaleBG->setButton(CurvesWidget::LogScaleHistogram);
+    m_scaleBG->setFrameShape(TQFrame::NoFrame);
+    m_scaleBG->setInsideMargin(0);
+
+    TQHBoxLayout* l1 = new TQHBoxLayout();
+    l1->addWidget(label1);
+    l1->addWidget(m_channelCB);
+    l1->addStretch(10);
+    l1->addWidget(m_scaleBG);
+
+    // -------------------------------------------------------------
+
+    TQWidget *curveBox = new TQWidget(m_gboxSettings->plainPage());
+    TQGridLayout* gl   = new TQGridLayout(curveBox, 4, 2, 0);
+
+    m_histogramWidget = new HistogramWidget(256, 140, curveBox, false, true, true);
+    TQWhatsThis::add( m_histogramWidget, i18n("<p>Here you can see the target preview image histogram drawing "
+                                             "of the selected image channel. This one is re-computed at any "
+                                             "curves settings changes."));
+
+    m_vGradient = new ColorGradientWidget( ColorGradientWidget::Vertical, 10, curveBox );
+    m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+
+    TQLabel *spacev = new TQLabel(curveBox);
+    spacev->setFixedWidth(1);
+
+    m_curvesWidget = new CurvesWidget(256, 256, m_originalImage->bits(), m_originalImage->width(),
+                                                m_originalImage->height(), m_originalImage->sixteenBit(),
+                                                curveBox);
+    TQWhatsThis::add( m_curvesWidget, i18n("<p>This is the curve drawing of the selected channel from "
+                                          "original image"));
+
+    TQLabel *spaceh = new TQLabel(curveBox);
+    spaceh->setFixedHeight(1);
+
+    m_hGradient = new ColorGradientWidget( ColorGradientWidget::Horizontal, 10, curveBox );
+    m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+
+    gl->addMultiCellWidget(m_histogramWidget, 0, 0, 2, 2);
+    gl->addMultiCellWidget(m_vGradient,       2, 2, 0, 0);
+    gl->addMultiCellWidget(spacev,            2, 2, 1, 1);
+    gl->addMultiCellWidget(m_curvesWidget,    2, 2, 2, 2);
+    gl->addMultiCellWidget(spaceh,            3, 3, 2, 2);
+    gl->addMultiCellWidget(m_hGradient,       4, 4, 2, 2);
+    gl->setRowSpacing(1, m_gboxSettings->spacingHint());
+
+    // -------------------------------------------------------------
+
+    m_curveType = new TQHButtonGroup(m_gboxSettings->plainPage());
+    m_curveFree = new TQPushButton(m_curveType);
+    m_curveType->insert(m_curveFree, FreeDrawing);
+    TDEGlobal::dirs()->addResourceType("curvefree", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("curvefree", "curvefree.png");
+    m_curveFree->setPixmap( TQPixmap( directory + "curvefree.png" ) );
+    m_curveFree->setToggleButton(true);
+    TQToolTip::add( m_curveFree, i18n( "Curve free mode" ) );
+    TQWhatsThis::add( m_curveFree, i18n("<p>With this button, you can draw your curve free-hand with the mouse."));
+    m_curveSmooth = new TQPushButton(m_curveType);
+    m_curveType->insert(m_curveSmooth, SmoothDrawing);
+    TDEGlobal::dirs()->addResourceType("curvemooth", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("curvemooth", "curvemooth.png");
+    m_curveSmooth->setPixmap( TQPixmap( directory + "curvemooth.png" ) );
+    m_curveSmooth->setToggleButton(true);
+    TQToolTip::add( m_curveSmooth, i18n( "Curve smooth mode" ) );
+    TQWhatsThis::add( m_curveSmooth, i18n("<p>With this button, you constrains the curve type to a smooth line with tension."));
+    m_curveType->setExclusive(true);
+    m_curveType->setButton(SmoothDrawing);
+    m_curveType->setFrameShape(TQFrame::NoFrame);
+
+    // -------------------------------------------------------------
+
+    m_pickerColorButtonGroup = new TQHButtonGroup(m_gboxSettings->plainPage());
+    m_pickBlack = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickBlack, BlackTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-black", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-black", "color-picker-black.png");
+    m_pickBlack->setPixmap( TQPixmap( directory + "color-picker-black.png" ) );
+    m_pickBlack->setToggleButton(true);
+    TQToolTip::add( m_pickBlack, i18n( "All channels shadow tone color picker" ) );
+    TQWhatsThis::add( m_pickBlack, i18n("<p>With this button, you can pick the color from original image used to set <b>Shadow Tone</b> "
+                                       "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickGray  = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickGray, GrayTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-grey", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-grey", "color-picker-grey.png");
+    m_pickGray->setPixmap( TQPixmap( directory + "color-picker-grey.png" ) );
+    m_pickGray->setToggleButton(true);
+    TQToolTip::add( m_pickGray, i18n( "All channels middle tone color picker" ) );
+    TQWhatsThis::add( m_pickGray, i18n("<p>With this button, you can pick the color from original image used to set <b>Middle Tone</b> "
+                                      "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickWhite = new TQPushButton(m_pickerColorButtonGroup);
+    m_pickerColorButtonGroup->insert(m_pickWhite, WhiteTonal);
+    TDEGlobal::dirs()->addResourceType("color-picker-white", TDEGlobal::dirs()->kde_default("data") +
+                                     "digikam/data");
+    directory = TDEGlobal::dirs()->findResourceDir("color-picker-white", "color-picker-white.png");
+    m_pickWhite->setPixmap( TQPixmap( directory + "color-picker-white.png" ) );
+    m_pickWhite->setToggleButton(true);
+    TQToolTip::add( m_pickWhite, i18n( "All channels highlight tone color picker" ) );
+    TQWhatsThis::add( m_pickWhite, i18n("<p>With this button, you can pick the color from original image used to set <b>Highlight Tone</b> "
+                                       "smooth curves point on Red, Green, Blue, and Luminosity channels."));
+    m_pickerColorButtonGroup->setExclusive(true);
+    m_pickerColorButtonGroup->setFrameShape(TQFrame::NoFrame);
+
+    // -------------------------------------------------------------
+
+    m_resetButton = new TQPushButton(i18n("&Reset"), m_gboxSettings->plainPage());
+    m_resetButton->setPixmap( SmallIcon("reload_page", 18) );
+    TQToolTip::add( m_resetButton, i18n( "Reset current channel curves' values." ) );
+    TQWhatsThis::add( m_resetButton, i18n("<p>If you press this button, all curves' values "
+                                         "from the current selected channel "
+                                         "will be reset to the default values."));
+
+    TQHBoxLayout* l3 = new TQHBoxLayout();
+    l3->addWidget(m_curveType);
+    l3->addWidget(m_pickerColorButtonGroup);
+    l3->addWidget(m_resetButton);
+    l3->addStretch(10);
+
+    grid->addMultiCellLayout(l1,       0, 0, 1, 5);
+    grid->addMultiCellWidget(curveBox, 1, 3, 0, 5);
+    grid->addMultiCellLayout(l3,       4, 4, 1, 5);
+    grid->setMargin(0);
+    grid->setSpacing(m_gboxSettings->spacingHint());
+    grid->setRowStretch(5, 10);
+
+    setToolSettings(m_gboxSettings);
+    init();
+
+    // -------------------------------------------------------------
+
+    connect(m_curvesWidget, TQ_SIGNAL(signalCurvesChanged()),
+            this, TQ_SLOT(slotTimer()));
+
+    connect(m_previewWidget, TQ_SIGNAL(spotPositionChangedFromOriginal(const Digikam::DColor&, const TQPoint&)),
+            this, TQ_SLOT(slotSpotColorChanged(const Digikam::DColor&)));
+
+    connect(m_previewWidget, TQ_SIGNAL(spotPositionChangedFromTarget(const Digikam::DColor&, const TQPoint&)),
+            this, TQ_SLOT(slotColorSelectedFromTarget(const Digikam::DColor&)));
+
+    connect(m_previewWidget, TQ_SIGNAL(signalResized()),
+            this, TQ_SLOT(slotEffect()));
+
+    // -------------------------------------------------------------
+    // ComboBox slots.
+
+    connect(m_channelCB, TQ_SIGNAL(activated(int)),
+            this, TQ_SLOT(slotChannelChanged(int)));
+
+    connect(m_scaleBG, TQ_SIGNAL(released(int)),
+            this, TQ_SLOT(slotScaleChanged(int)));
+
+    connect(m_curveType, TQ_SIGNAL(clicked(int)),
+            this, TQ_SLOT(slotCurveTypeChanged(int)));
+
+    // -------------------------------------------------------------
+    // Buttons slots.
+
+    connect(m_resetButton, TQ_SIGNAL(clicked()),
+            this, TQ_SLOT(slotResetCurrentChannel()));
+
+    connect(m_pickerColorButtonGroup, TQ_SIGNAL(released(int)),
+            this, TQ_SLOT(slotPickerColorButtonActived()));
+}
+
+AdjustCurvesTool::~AdjustCurvesTool()
+{
+    if (m_destinationPreviewData)
+       delete [] m_destinationPreviewData;
+}
+
+void AdjustCurvesTool::slotPickerColorButtonActived()
+{
+    // Save previous rendering mode and toggle to original image.
+    m_currentPreviewMode = m_previewWidget->getRenderingPreviewMode();
+    m_previewWidget->setRenderingPreviewMode(ImageGuideWidget::PreviewOriginalImage);
+}
+
+void AdjustCurvesTool::slotSpotColorChanged(const DColor &color)
+{
+    DColor sc = color;
+
+    if ( m_pickBlack->isOn() )
+    {
+       // Black tonal curves point.
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::ValueChannel, 1,
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 42*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::RedChannel, 1, TQPoint(sc.red(), 42*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::GreenChannel, 1, TQPoint(sc.green(), 42*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::BlueChannel, 1, TQPoint(sc.blue(), 42*m_histoSegments/256));
+       m_pickBlack->setOn(false);
+    }
+    else if ( m_pickGray->isOn() )
+    {
+       // Gray tonal curves point.
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::ValueChannel, 8,
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 128*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::RedChannel, 8, TQPoint(sc.red(), 128*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::GreenChannel, 8, TQPoint(sc.green(), 128*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::BlueChannel, 8, TQPoint(sc.blue(), 128*m_histoSegments/256));
+       m_pickGray->setOn(false);
+    }
+    else if ( m_pickWhite->isOn() )
+    {
+       // White tonal curves point.
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::ValueChannel, 15,
+                               TQPoint(TQMAX(TQMAX(sc.red(), sc.green()), sc.blue()), 213*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::RedChannel, 15, TQPoint(sc.red(), 213*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::GreenChannel, 15, TQPoint(sc.green(), 213*m_histoSegments/256));
+       m_curvesWidget->curves()->setCurvePoint(ImageHistogram::BlueChannel, 15, TQPoint(sc.blue(), 213*m_histoSegments/256));
+       m_pickWhite->setOn(false);
+    }
+    else
+    {
+       m_curvesWidget->setCurveGuide(color);
+       return;
+    }
+
+    // Calculate Red, green, blue curves.
+
+    for (int i = ImageHistogram::ValueChannel ; i <= ImageHistogram::BlueChannel ; i++)
+       m_curvesWidget->curves()->curvesCalculateCurve(i);
+
+    m_curvesWidget->repaint(false);
+
+    // restore previous rendering mode.
+    m_previewWidget->setRenderingPreviewMode(m_currentPreviewMode);
+
+    slotEffect();
+}
+
+void AdjustCurvesTool::slotColorSelectedFromTarget( const DColor &color )
+{
+    m_histogramWidget->setHistogramGuideByColor(color);
+}
+
+void AdjustCurvesTool::slotResetCurrentChannel()
+{
+    m_curvesWidget->curves()->curvesChannelReset(m_channelCB->currentItem());
+
+    m_curvesWidget->repaint();
+    slotEffect();
+    m_histogramWidget->reset();
+}
+
+void AdjustCurvesTool::slotEffect()
+{
+    ImageIface* iface = m_previewWidget->imageIface();
+    uchar *orgData    = iface->getPreviewImage();
+    int w             = iface->previewWidth();
+    int h             = iface->previewHeight();
+    bool sb           = iface->previewSixteenBit();
+
+    // Create the new empty destination image data space.
+    m_histogramWidget->stopHistogramComputation();
+
+    if (m_destinationPreviewData)
+       delete [] m_destinationPreviewData;
+
+    m_destinationPreviewData = new uchar[w*h*(sb ? 8 : 4)];
+
+    // Calculate the LUT to apply on the image.
+    m_curvesWidget->curves()->curvesLutSetup(ImageHistogram::AlphaChannel);
+
+    // Apply the lut to the image.
+    m_curvesWidget->curves()->curvesLutProcess(orgData, m_destinationPreviewData, w, h);
+
+    iface->putPreviewImage(m_destinationPreviewData);
+    m_previewWidget->updatePreview();
+
+    // Update histogram.
+    m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
+    delete [] orgData;
+}
+
+void AdjustCurvesTool::finalRendering()
+{
+    kapp->setOverrideCursor( KCursor::waitCursor() );
+    ImageIface* iface = m_previewWidget->imageIface();
+    uchar *orgData    = iface->getOriginalImage();
+    int w             = iface->originalWidth();
+    int h             = iface->originalHeight();
+    bool sb           = iface->originalSixteenBit();
+
+    // Create the new empty destination image data space.
+    uchar* desData = new uchar[w*h*(sb ? 8 : 4)];
+
+    // Calculate the LUT to apply on the image.
+    m_curvesWidget->curves()->curvesLutSetup(ImageHistogram::AlphaChannel);
+
+    // Apply the lut to the image.
+    m_curvesWidget->curves()->curvesLutProcess(orgData, desData, w, h);
+
+    iface->putOriginalImage(i18n("Adjust Curves"), desData);
+    kapp->restoreOverrideCursor();
+
+    delete [] orgData;
+    delete [] desData;
+}
+
+void AdjustCurvesTool::slotChannelChanged(int channel)
+{
+    switch(channel)
+    {
+       case LuminosityChannel:
+          m_histogramWidget->m_channelType = HistogramWidget::ValueHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+          m_curvesWidget->m_channelType = CurvesWidget::ValueHistogram;
+          m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+          break;
+
+        case RedChannel:
+          m_histogramWidget->m_channelType = HistogramWidget::RedChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
+          m_curvesWidget->m_channelType = CurvesWidget::RedChannelHistogram;
+          m_vGradient->setColors( TQColor( "red" ), TQColor( "black" ) );
+          break;
+
+       case GreenChannel:
+          m_histogramWidget->m_channelType = HistogramWidget::GreenChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
+          m_curvesWidget->m_channelType = CurvesWidget::GreenChannelHistogram;
+          m_vGradient->setColors( TQColor( "green" ), TQColor( "black" ) );
+          break;
+
+       case BlueChannel:
+          m_histogramWidget->m_channelType = HistogramWidget::BlueChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
+          m_curvesWidget->m_channelType = CurvesWidget::BlueChannelHistogram;
+          m_vGradient->setColors( TQColor( "blue" ), TQColor( "black" ) );
+          break;
+
+       case AlphaChannel:
+          m_histogramWidget->m_channelType = HistogramWidget::AlphaChannelHistogram;
+          m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+          m_curvesWidget->m_channelType = CurvesWidget::AlphaChannelHistogram;
+          m_vGradient->setColors( TQColor( "white" ), TQColor( "black" ) );
+          break;
+    }
+
+    m_curveType->setButton(m_curvesWidget->curves()->getCurveType(channel));
+
+    m_curvesWidget->repaint(false);
+    m_histogramWidget->repaint(false);
+}
+
+void AdjustCurvesTool::slotScaleChanged(int scale)
+{
+    m_curvesWidget->m_scaleType    = scale;
+    m_histogramWidget->m_scaleType = scale;
+    m_histogramWidget->repaint(false);
+    m_curvesWidget->repaint(false);
+}
+
+void AdjustCurvesTool::slotCurveTypeChanged(int type)
+{
+    switch(type)
+    {
+       case SmoothDrawing:
+       {
+          m_curvesWidget->curves()->setCurveType(m_curvesWidget->m_channelType, ImageCurves::CURVE_SMOOTH);
+          m_pickerColorButtonGroup->setEnabled(true);
+          break;
+       }
+
+       case FreeDrawing:
+       {
+          m_curvesWidget->curves()->setCurveType(m_curvesWidget->m_channelType, ImageCurves::CURVE_FREE);
+          m_pickerColorButtonGroup->setEnabled(false);
+          break;
+       }
+    }
+
+    m_curvesWidget->curveTypeChanged();
+}
+
+void AdjustCurvesTool::readSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("adjustcurves Tool");
+
+    m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0));    // Luminosity.
+    m_scaleBG->setButton(config->readNumEntry("Histogram Scale", HistogramWidget::LogScaleHistogram));
+
+    m_curvesWidget->reset();
+
+    for (int i = 0 ; i < 5 ; i++)
+    {
+        m_curvesWidget->curves()->curvesChannelReset(i);
+        m_curvesWidget->curves()->setCurveType(i, (ImageCurves::CurveType)config->readNumEntry(TQString("CurveTypeChannel%1").arg(i),
+                                                                                        ImageCurves::CURVE_SMOOTH));
+
+        for (int j = 0 ; j < 17 ; j++)
+        {
+            TQPoint disable(-1, -1);
+            TQPoint p = config->readPointEntry(TQString("CurveAjustmentChannel%1Point%2").arg(i).arg(j), &disable);
+
+            if (m_originalImage->sixteenBit() && p.x() != -1)
+            {
+                p.setX(p.x()*255);
+                p.setY(p.y()*255);
+            }
+
+            m_curvesWidget->curves()->setCurvePoint(i, j, p);
+        }
+
+        m_curvesWidget->curves()->curvesCalculateCurve(i);
+    }
+
+    m_histogramWidget->reset();
+    slotChannelChanged(m_channelCB->currentItem());
+    slotScaleChanged(m_scaleBG->selectedId());
+    slotEffect();
+}
+
+void AdjustCurvesTool::writeSettings()
+{
+    TDEConfig* config = kapp->config();
+    config->setGroup("adjustcurves Tool");
+    config->writeEntry("Histogram Channel", m_channelCB->currentItem());
+    config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
+
+    for (int i = 0 ; i < 5 ; i++)
+    {
+        config->writeEntry(TQString("CurveTypeChannel%1").arg(i), m_curvesWidget->curves()->getCurveType(i));
+
+        for (int j = 0 ; j < 17 ; j++)
+        {
+            TQPoint p = m_curvesWidget->curves()->getCurvePoint(i, j);
+
+            if (m_originalImage->sixteenBit() && p.x() != -1)
+            {
+                p.setX(p.x()/255);
+                p.setY(p.y()/255);
+            }
+
+            config->writeEntry(TQString("CurveAjustmentChannel%1Point%2").arg(i).arg(j), p);
+        }
+    }
+
+    m_previewWidget->writeSettings();
+    config->sync();
+}
+
+void AdjustCurvesTool::slotResetSettings()
+{
+    for (int channel = 0 ; channel < 5 ; channel++)
+       m_curvesWidget->curves()->curvesChannelReset(channel);
+
+    m_curvesWidget->reset();
+    slotEffect();
+    m_histogramWidget->reset();
+}
+
+void AdjustCurvesTool::slotLoadSettings()
+{
+    KURL loadCurvesFile;
+
+    loadCurvesFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
+                                             TQString( "*" ), kapp->activeWindow(),
+                                             TQString( i18n("Select Gimp Curves File to Load")) );
+    if( loadCurvesFile.isEmpty() )
+       return;
+
+    if ( m_curvesWidget->curves()->loadCurvesFromGimpCurvesFile( loadCurvesFile ) == false )
+    {
+       KMessageBox::error(kapp->activeWindow(), i18n("Cannot load from the Gimp curves text file."));
+       return;
+    }
+
+    // Refresh the current curves config.
+    slotChannelChanged(m_channelCB->currentItem());
+    slotEffect();
+}
+
+void AdjustCurvesTool::slotSaveAsSettings()
+{
+    KURL saveCurvesFile;
+
+    saveCurvesFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
+                                             TQString( "*" ), kapp->activeWindow(),
+                                             TQString( i18n("Gimp Curves File to Save")) );
+    if( saveCurvesFile.isEmpty() )
+       return;
+
+    if ( m_curvesWidget->curves()->saveCurvesToGimpCurvesFile( saveCurvesFile ) == false )
+    {
+       KMessageBox::error(kapp->activeWindow(), i18n("Cannot save to the Gimp curves text file."));
+       return;
+    }
+
+    // Refresh the current curves config.
+    slotChannelChanged(m_channelCB->currentItem());
+}
+
+}  // NameSpace DigikamAdjustCurvesImagesPlugin
diff --git a/src/imageplugins/adjustcurves/adjustcurvestool.h b/src/imageplugins/adjustcurves/adjustcurvestool.h
new file mode 100644
index 00000000..4a380530
--- /dev/null
+++ b/src/imageplugins/adjustcurves/adjustcurvestool.h
@@ -0,0 +1,145 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+#ifndef ADJUSTCURVESTOOL_H
+#define ADJUSTCURVESTOOL_H
+
+// Digikam includes.
+
+#include "editortool.h"
+
+// Local includes.
+
+class TQComboBox;
+class TQPushButton;
+class TQHButtonGroup;
+
+namespace Digikam
+{
+class CurvesWidget;
+class HistogramWidget;
+class ColorGradientWidget;
+class EditorToolSettings;
+class ImageWidget;
+class DImg;
+class DColor;
+}
+
+namespace DigikamAdjustCurvesImagesPlugin
+{
+
+class AdjustCurvesTool : public Digikam::EditorTool
+{
+    TQ_OBJECT
+  
+
+public:
+
+    AdjustCurvesTool(TQObject *parent);
+    ~AdjustCurvesTool();
+
+private:
+
+    void readSettings();
+    void writeSettings();
+    void finalRendering();
+
+private slots:
+
+    void slotSaveAsSettings();
+    void slotLoadSettings();
+    void slotEffect();
+    void slotResetSettings();
+    void slotResetCurrentChannel();
+    void slotChannelChanged(int channel);
+    void slotScaleChanged(int scale);
+    void slotCurveTypeChanged(int type);
+    void slotSpotColorChanged(const Digikam::DColor& color);
+    void slotColorSelectedFromTarget(const Digikam::DColor& color);
+    void slotPickerColorButtonActived();
+
+private:
+
+    enum ColorPicker
+    {
+        BlackTonal=0,
+        GrayTonal,
+        WhiteTonal
+    };
+
+    enum ColorChannel
+    {
+        LuminosityChannel=0,
+        RedChannel,
+        GreenChannel,
+        BlueChannel,
+        AlphaChannel
+    };
+
+    enum CurvesDrawingType
+    {
+        SmoothDrawing=0,
+        FreeDrawing
+    };
+
+    enum HistogramScale
+    {
+        Linear=0,
+        Logarithmic
+    };
+
+    uchar                        *m_destinationPreviewData;
+
+    int                           m_histoSegments;
+    int                           m_currentPreviewMode;
+
+    TQComboBox                    *m_channelCB;
+
+    TQPushButton                  *m_resetButton;
+    TQPushButton                  *m_pickBlack;
+    TQPushButton                  *m_pickGray;
+    TQPushButton                  *m_pickWhite;
+    TQPushButton                  *m_curveFree;
+    TQPushButton                  *m_curveSmooth;
+
+    TQHButtonGroup                *m_pickerColorButtonGroup;
+    TQHButtonGroup                *m_scaleBG;  
+    TQHButtonGroup                *m_curveType;
+
+    Digikam::CurvesWidget        *m_curvesWidget;
+
+    Digikam::HistogramWidget     *m_histogramWidget;
+
+    Digikam::ColorGradientWidget *m_hGradient;
+    Digikam::ColorGradientWidget *m_vGradient;
+
+    Digikam::ImageWidget         *m_previewWidget;
+
+    Digikam::EditorToolSettings  *m_gboxSettings;
+
+    Digikam::DImg                *m_originalImage;
+};
+
+}  // NameSpace DigikamAdjustCurvesImagesPlugin
+
+#endif /* ADJUSTCURVESTOOL_H */
diff --git a/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves.desktop b/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves.desktop
new file mode 100644
index 00000000..377c2a33
--- /dev/null
+++ b/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves.desktop
@@ -0,0 +1,52 @@
+[Desktop Entry]
+Name=ImagePlugin_AdjustCurves
+Name[bg]=Приставка за снимки - Настройка на кривите
+Name[da]=Billedplugin_Kurvejustering
+Name[el]=ΠρόσθετοΕικόνας_ΠροσαρμογήΚαμπύλων
+Name[fi]=TasonsäätöKäyrä
+Name[hr]=Podešavanje krivulja
+Name[it]=PluginImmagini_RegolaCurve
+Name[nl]=Afbeeldingsplugin_CurvesAanpassen
+Name[sr]=Подешавање кривих
+Name[sr@Latn]=Podešavanje krivih
+Name[sv]=Insticksprogram för justering av kurvor
+Name[tr]=ResimEklentisi_EğriAyarla
+Name[xx]=xxImagePlugin_AdjustCurvesxx
+Type=Service
+X-TDE-ServiceTypes=Digikam/ImagePlugin
+Encoding=UTF-8
+
+Comment=Image histogram adjust curves plugin for digiKam
+Comment[bg]=Приставка на digiKam за настройка кривите на хистограмите на снимки
+Comment[ca]=Connector pel digiKam d'ajust de les corbes de l'histograma d'imatges
+Comment[da]=Plugin til histogramkurvejustering i Digikam
+Comment[de]=digiKam-Modul zur Justierung der Farbkurven
+Comment[el]=Πρόσθετο προσαρμογής των καμπύλων του ιστογράμματος εικόνας για το digiKam
+Comment[es]=Histograma de imágenes, plugin de ajuste de curvas para digiKam
+Comment[et]=DigiKami pildi histogrammi kõverate kohendamise plugin
+Comment[fa]=وصلۀ منحنیهای تنظیم سابقه‌نمای تصویر برای digiKam
+Comment[fi]=Muokkaa värikanavien raja-arvoja
+Comment[fr]=Module externe pour ajuster les courbes de l'histogramme dans digiKam
+Comment[gl]=Un plugin de digiKam para o axuste das curvas do histograma da imaxe
+Comment[hr]=digiKam dodatak za histogramsko podešavanje krivulja
+Comment[is]=Íforrit fyrir digiKam sem breytir ferlum (curves) í stuðlariti myndar
+Comment[it]=Plugin di regolazione delle curve degli istogrammi delle immagini per digiKam
+Comment[ja]=digiKam カーブ補正プラグイン
+Comment[nds]=digiKam-Moduul för't Topassen vun Histogramm-Klöörbagens
+Comment[nl]=Digikam-plugin voor curvesaanpassing van afbeeldingshistogram
+Comment[pa]=ਡਿਜ਼ੀਕੈਮ ਲਈ ਚਿੱਤਰ ਹਿਸਟੋਗਰਾਮ ਅਨੁਕੂਲ ਚਾਪ ਪਲੱਗਇਨ
+Comment[pl]=Wtyczka do programu digiKam dostosowująca krzywe i histogram dla obrazu
+Comment[pt]=Um 'plugin' do digiKam de ajuste de curvas do histograma da imagem
+Comment[pt_BR]=Plugin de ajuste de curvas do histograma da imagem
+Comment[ru]=Модуль digiKam подстройки кривых гистограммы изображения
+Comment[sk]=digiKam plugin histogramu kriviek úprav obrázku
+Comment[sr]=digiKam-ов прикључак за подешавање кривих хистограма слике
+Comment[sr@Latn]=digiKam-ov priključak za podešavanje krivih histograma slike
+Comment[sv]=Digikam insticksprogram för justering av kurvor i bildhistogram
+Comment[tr]=digiKam için resim histogram eğrileri ayarlama eklentisi
+Comment[uk]=Втулок коригування кривих гістограми зображень для digiKam
+Comment[vi]=Phần bổ sung biểu đồ tần xuất điều chỉnh đường cong ảnh cho digiKam
+Comment[xx]=xxImage histogram adjust curves plugin for digiKamxx
+
+X-TDE-Library=digikamimageplugin_adjustcurves
+author=Caulier Gilles, caulier dot gilles at gmail dot com
diff --git a/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves_ui.rc b/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves_ui.rc
new file mode 100644
index 00000000..c87c2c1e
--- /dev/null
+++ b/src/imageplugins/adjustcurves/digikamimageplugin_adjustcurves_ui.rc
@@ -0,0 +1,20 @@
+<!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
+<kpartgui version="5" name="digikamimageplugin_adjustcurves" >
+
+ <MenuBar>
+
+   <Menu name="Color" ><text>&amp;Color</text>
+     <Action name="imageplugin_adjustcurves" /> 
+   </Menu>
+
+ </MenuBar>
+ 
+ <ToolBar name="ToolBar" >
+  <text>Main Toolbar</text>
+ </ToolBar>
+ 
+ <ActionProperties>
+  <Action name="imageplugin_adjustcurves" />
+ </ActionProperties>
+
+</kpartgui>
diff --git a/src/imageplugins/adjustcurves/imageplugin_adjustcurves.cpp b/src/imageplugins/adjustcurves/imageplugin_adjustcurves.cpp
new file mode 100644
index 00000000..11b6e53f
--- /dev/null
+++ b/src/imageplugins/adjustcurves/imageplugin_adjustcurves.cpp
@@ -0,0 +1,70 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+// KDE includes.
+
+#include <tdelocale.h>
+#include <kgenericfactory.h>
+#include <klibloader.h>
+#include <tdeaction.h>
+#include <kcursor.h>
+
+// Local includes.
+
+#include "ddebug.h"
+#include "adjustcurvestool.h"
+#include "imageplugin_adjustcurves.h"
+#include "imageplugin_adjustcurves.moc"
+
+using namespace DigikamAdjustCurvesImagesPlugin;
+
+K_EXPORT_COMPONENT_FACTORY( digikamimageplugin_adjustcurves,
+                            KGenericFactory<ImagePlugin_AdjustCurves>("digikamimageplugin_adjustcurves"));
+
+ImagePlugin_AdjustCurves::ImagePlugin_AdjustCurves(TQObject *parent, const char*, const TQStringList&)
+                        : Digikam::ImagePlugin(parent, "ImagePlugin_AdjustCurves")
+{
+    m_curvesAction = new TDEAction(i18n("Curves Adjust..."), "adjustcurves", 
+                                 CTRL+SHIFT+Key_M, // NOTE: Photoshop 7 use CTRL+M (but it's used in KDE to toogle menu bar).
+                                 this, TQ_SLOT(slotCurvesAdjust()),
+                                 actionCollection(), "imageplugin_adjustcurves");
+
+    setXMLFile("digikamimageplugin_adjustcurves_ui.rc");
+
+    DDebug() << "ImagePlugin_AdjustCurves plugin loaded" << endl;
+}
+
+ImagePlugin_AdjustCurves::~ImagePlugin_AdjustCurves()
+{
+}
+
+void ImagePlugin_AdjustCurves::setEnabledActions(bool enable)
+{
+    m_curvesAction->setEnabled(enable);
+}
+
+void ImagePlugin_AdjustCurves::slotCurvesAdjust()
+{
+    AdjustCurvesTool *curves = new AdjustCurvesTool(this);
+    loadTool(curves);
+}
diff --git a/src/imageplugins/adjustcurves/imageplugin_adjustcurves.h b/src/imageplugins/adjustcurves/imageplugin_adjustcurves.h
new file mode 100644
index 00000000..f8e43578
--- /dev/null
+++ b/src/imageplugins/adjustcurves/imageplugin_adjustcurves.h
@@ -0,0 +1,56 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2004-12-01
+ * Description : image histogram adjust curves.
+ *
+ * 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.
+ *
+ * ============================================================ */
+
+#ifndef IMAGEPLUGIN_ADJUSTCURVES_H
+#define IMAGEPLUGIN_ADJUSTCURVES_H
+
+// Digikam includes.
+
+#include "imageplugin.h"
+#include "digikam_export.h"
+
+class TDEAction;
+
+class DIGIKAMIMAGEPLUGINS_EXPORT ImagePlugin_AdjustCurves : public Digikam::ImagePlugin
+{
+    TQ_OBJECT
+  
+
+public:
+
+    ImagePlugin_AdjustCurves(TQObject *parent, const char* name,
+                             const TQStringList &args);
+    ~ImagePlugin_AdjustCurves();
+
+    void setEnabledActions(bool enable);
+
+private slots:
+
+    void slotCurvesAdjust();
+
+private:
+
+    TDEAction *m_curvesAction;
+};
+
+#endif /* IMAGEPLUGIN_ADJUSTCURVES_H */