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diff --git a/src/imageplugins/adjustcurves/adjustcurves.cpp b/src/imageplugins/adjustcurves/adjustcurves.cpp
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+/* ============================================================
+ *
+ * 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
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-03 21:59:14 +0000