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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date : 2004-12-06
+ * Description : Black and White conversion tool.
+ *
+ * Copyright (C) 2004-2005 by Renchi Raju <[email protected]>
+ * Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * This program is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General
+ * Public License as published by the Free Software Foundation;
+ * either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * ============================================================ */
+
+ // TQt includes.
+
+#include <tqcolor.h>
+#include <tqgroupbox.h>
+#include <tqhgroupbox.h>
+#include <tqvgroupbox.h>
+#include <tqhbuttongroup.h>
+#include <tqlistbox.h>
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqframe.h>
+#include <tqlabel.h>
+#include <tqpushbutton.h>
+#include <tqtimer.h>
+#include <tqcombobox.h>
+#include <tqwhatsthis.h>
+#include <tqtooltip.h>
+#include <tqintdict.h>
+#include <tqtextstream.h>
+#include <tqfile.h>
+#include <tqvbox.h>
+
+// KDE includes.
+
+#include <tdefiledialog.h>
+#include <tdeglobalsettings.h>
+#include <tdemessagebox.h>
+#include <kcursor.h>
+#include <tdelocale.h>
+#include <kstandarddirs.h>
+#include <tdeapplication.h>
+#include <knuminput.h>
+#include <ktabwidget.h>
+#include <tdeconfig.h>
+
+// Digikam includes.
+
+#include "imageiface.h"
+#include "imagehistogram.h"
+#include "dimgimagefilters.h"
+#include "imagewidget.h"
+#include "imagecurves.h"
+#include "histogramwidget.h"
+#include "curveswidget.h"
+#include "colorgradientwidget.h"
+#include "dimg.h"
+#include "bcgmodifier.h"
+#include "listboxpreviewitem.h"
+
+// Local includes.
+
+#include "imageeffect_bwsepia.h"
+#include "imageeffect_bwsepia.moc"
+
+namespace DigikamImagesPluginCore
+{
+
+class PreviewPixmapFactory : public TQObject
+{
+public:
+
+ PreviewPixmapFactory(ImageEffect_BWSepia* bwSepia);
+
+ void invalidate() { m_previewPixmapMap.clear(); }
+
+ const TQPixmap* pixmap(int id);
+
+private:
+
+ TQPixmap makePixmap(int id);
+
+ TQIntDict<TQPixmap> m_previewPixmapMap;
+ ImageEffect_BWSepia *m_bwSepia;
+};
+
+PreviewPixmapFactory::PreviewPixmapFactory(ImageEffect_BWSepia* bwSepia)
+ : TQObject(bwSepia), m_bwSepia(bwSepia)
+{
+ m_previewPixmapMap.setAutoDelete(true);
+}
+
+const TQPixmap* PreviewPixmapFactory::pixmap(int id)
+{
+ if (m_previewPixmapMap.find(id) == 0)
+ {
+ TQPixmap pix = makePixmap(id);
+ m_previewPixmapMap.insert(id, new TQPixmap(pix));
+ }
+
+ TQPixmap* res = m_previewPixmapMap[id];
+
+ return res;
+}
+
+TQPixmap PreviewPixmapFactory::makePixmap(int id)
+{
+ return m_bwSepia->getThumbnailForEffect(id);
+}
+
+// -----------------------------------------------------------------------------------
+
+class ListBoxBWPreviewItem : public Digikam::ListBoxPreviewItem
+{
+
+public:
+
+ ListBoxBWPreviewItem(TQListBox *listbox, const TQString &text,
+ PreviewPixmapFactory* factory, int id)
+ : ListBoxPreviewItem(listbox, TQPixmap(), text)
+ {
+ m_previewPixmapFactory = factory;
+ m_id = id;
+ };
+
+ virtual const TQPixmap* pixmap() const;
+
+private:
+
+ int m_id;
+ PreviewPixmapFactory* m_previewPixmapFactory;
+};
+
+const TQPixmap* ListBoxBWPreviewItem::pixmap() const
+{
+ return m_previewPixmapFactory->pixmap(m_id);
+}
+
+// -----------------------------------------------------------------------------------
+
+ImageEffect_BWSepia::ImageEffect_BWSepia(TQWidget* parent)
+ : Digikam::ImageDlgBase(parent, i18n("Convert to Black & White"),
+ "convertbw", true, false),
+ m_destinationPreviewData(0L),
+ m_channelCB(0),
+ m_scaleBG(0),
+ m_bwFilters(0),
+ m_bwTone(0),
+ m_cInput(0),
+ m_tab(0),
+ m_previewWidget(0),
+ m_histogramWidget(0),
+ m_curvesWidget(0),
+ m_curves(0),
+ m_originalImage(0),
+ m_previewPixmapFactory(0)
+{
+ setHelp("blackandwhitetool.anchor", "digikam");
+
+ Digikam::ImageIface iface(0, 0);
+ m_originalImage = iface.getOriginalImg();
+ m_thumbnailImage = m_originalImage->smoothScale(128, 128, TQSize::ScaleMin);
+ m_curves = new Digikam::ImageCurves(m_originalImage->sixteenBit());
+
+ // -------------------------------------------------------------
+
+ m_previewWidget = new Digikam::ImageWidget("convertbw Tool Dialog", plainPage(),
+ i18n("<p>Here you can see the black and white conversion tool preview. "
+ "You can pick color on image "
+ "to see the color level corresponding on histogram."));
+ setPreviewAreaWidget(m_previewWidget);
+
+ // -------------------------------------------------------------
+
+ TQWidget *gboxSettings = new TQWidget(plainPage());
+ TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 4, 4, 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") );
+ 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>"));
+
+ m_scaleBG = new TQHButtonGroup(gboxSettings);
+ m_scaleBG->setExclusive(true);
+ m_scaleBG->setFrameShape(TQFrame::NoFrame);
+ m_scaleBG->setInsideMargin( 0 );
+ 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::HistogramWidget::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::HistogramWidget::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);
+
+ TQHBoxLayout* l1 = new TQHBoxLayout();
+ l1->addWidget(label1);
+ l1->addWidget(m_channelCB);
+ l1->addStretch(10);
+ l1->addWidget(m_scaleBG);
+
+ gridSettings->addMultiCellLayout(l1, 0, 0, 0, 4);
+
+ // -------------------------------------------------------------
+
+ TQVBox *histoBox = new TQVBox(gboxSettings);
+ m_histogramWidget = new Digikam::HistogramWidget(256, 140, histoBox, 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 "
+ "settings changes."));
+ TQLabel *space = new TQLabel(histoBox);
+ space->setFixedHeight(1);
+ m_hGradient = new Digikam::ColorGradientWidget( Digikam::ColorGradientWidget::Horizontal, 10, histoBox );
+ m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+
+ gridSettings->addMultiCellWidget(histoBox, 1, 2, 0, 4);
+
+ // -------------------------------------------------------------
+
+ m_tab = new KTabWidget(gboxSettings);
+
+ m_bwFilm = new TQListBox(m_tab);
+ m_bwFilm->setColumnMode(1);
+ m_bwFilm->setVariableWidth(false);
+ m_bwFilm->setVariableHeight(false);
+ Digikam::ListBoxWhatsThis* whatsThis2 = new Digikam::ListBoxWhatsThis(m_bwFilm);
+ m_previewPixmapFactory = new PreviewPixmapFactory(this);
+
+ int type = BWGeneric;
+
+ ListBoxBWPreviewItem *item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Generic"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Generic</b>:"
+ "<p>Simulate a generic black and white film</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Agfa 200X"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Agfa 200X</b>:"
+ "<p>Simulate the Agfa 200X black and white film at 200 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Agfa Pan 25"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Agfa Pan 25</b>:"
+ "<p>Simulate the Agfa Pan black and white film at 25 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Agfa Pan 100"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Agfa Pan 100</b>:"
+ "<p>Simulate the Agfa Pan black and white film at 100 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Agfa Pan 400"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Agfa Pan 400</b>:"
+ "<p>Simulate the Agfa Pan black and white film at 400 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford Delta 100"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford Delta 100</b>:"
+ "<p>Simulate the Ilford Delta black and white film at 100 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford Delta 400"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford Delta 400</b>:"
+ "<p>Simulate the Ilford Delta black and white film at 400 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford Delta 400 Pro 3200"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford Delta 400 Pro 3200</b>:"
+ "<p>Simulate the Ilford Delta 400 Pro black and white film at 3200 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford FP4 Plus"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford FP4 Plus</b>:"
+ "<p>Simulate the Ilford FP4 Plus black and white film at 125 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford HP5 Plus"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford HP5 Plus</b>:"
+ "<p>Simulate the Ilford HP5 Plus black and white film at 400 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford PanF Plus"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford PanF Plus</b>:"
+ "<p>Simulate the Ilford PanF Plus black and white film at 50 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Ilford XP2 Super"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Ilford XP2 Super</b>:"
+ "<p>Simulate the Ilford XP2 Super black and white film at 400 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Kodak Tmax 100"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Kodak Tmax 100</b>:"
+ "<p>Simulate the Kodak Tmax black and white film at 100 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Kodak Tmax 400"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Kodak Tmax 400</b>:"
+ "<p>Simulate the Kodak Tmax black and white film at 400 ISO</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilm, i18n("Kodak TriX"), m_previewPixmapFactory, type);
+ whatsThis2->add( item, i18n("<b>Kodak TriX</b>:"
+ "<p>Simulate the Kodak TriX black and white film at 400 ISO</p>"));
+
+ // -------------------------------------------------------------
+
+ TQVBox *vbox = new TQVBox(m_tab);
+ vbox->setSpacing(spacingHint());
+
+ m_bwFilters = new TQListBox(vbox);
+ m_bwFilters->setColumnMode(1);
+ m_bwFilters->setVariableWidth(false);
+ m_bwFilters->setVariableHeight(false);
+ Digikam::ListBoxWhatsThis* whatsThis = new Digikam::ListBoxWhatsThis(m_bwFilters);
+
+ type = BWNoFilter;
+
+ item = new ListBoxBWPreviewItem(m_bwFilters,
+ i18n("No Lens Filter"), m_previewPixmapFactory, type);
+ whatsThis->add( item, i18n("<b>No Lens Filter</b>:"
+ "<p>Do not apply a lens filter when rendering the image.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilters, i18n("Green Filter"), m_previewPixmapFactory, type);
+ whatsThis->add( item, i18n("<b>Black & White with Green Filter</b>:"
+ "<p>Simulate black and white film exposure using a green filter. "
+ "This is usefule for all scenic shoots, especially portraits "
+ "photographed against the sky.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilters, i18n("Orange Filter"), m_previewPixmapFactory, type);
+ whatsThis->add( item, i18n("<b>Black & White with Orange Filter</b>:"
+ "<p>Simulate black and white film exposure using an orange filter. "
+ "This will enhance landscapes, marine scenes and aerial "
+ "photography.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilters, i18n("Red Filter"), m_previewPixmapFactory, type);
+ whatsThis->add( item, i18n("<b>Black & White with Red Filter</b>:"
+ "<p>Simulate black and white film exposure using a red filter. "
+ "This creates dramatic sky effects, and simulates moonlight scenes "
+ "in the daytime.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwFilters, i18n("Yellow Filter"), m_previewPixmapFactory, type);
+ whatsThis->add( item, i18n("<b>Black & White with Yellow Filter</b>:"
+ "<p>Simulate black and white film exposure using a yellow filter. "
+ "This has the most natural tonal correction, and improves contrast. Ideal for "
+ "landscapes.</p>"));
+
+ m_strengthInput = new KIntNumInput(vbox);
+ m_strengthInput->setLabel(i18n("Strength:"), AlignLeft | AlignVCenter);
+ m_strengthInput->setRange(1, 5, 1, true);
+ m_strengthInput->setValue(1);
+ TQWhatsThis::add(m_strengthInput, i18n("<p>Here, set the strength adjustment of the lens filter."));
+
+ // -------------------------------------------------------------
+
+ m_bwTone = new TQListBox(m_tab);
+ m_bwTone->setColumnMode(1);
+ m_bwTone->setVariableWidth(false);
+ m_bwTone->setVariableHeight(false);
+ Digikam::ListBoxWhatsThis* whatsThis3 = new Digikam::ListBoxWhatsThis(m_bwTone);
+
+ type = BWNoTone;
+
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("No Tone Filter"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>No Tone Filter</b>:"
+ "<p>Do not apply a tone filter to the image.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Sepia Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with Sepia Tone</b>:"
+ "<p>Gives a warm highlight and mid-tone while adding a bit of coolness to "
+ "the shadows - very similar to the process of bleaching a print and "
+ "re-developing in a sepia toner.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Brown Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with Brown Tone</b>:"
+ "<p>This filter is more neutral than the Sepia Tone "
+ "filter.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Cold Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with Cold Tone</b>:"
+ "<p>Start subtle and replicates printing on a cold tone black and white "
+ "paper such as a bromide enlarging "
+ "paper.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Selenium Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with Selenium Tone</b>:"
+ "<p>This effect replicates traditional selenium chemical toning done "
+ "in the darkroom.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Platinum Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with Platinum Tone</b>:"
+ "<p>This effect replicates traditional platinum chemical toning done "
+ "in the darkroom.</p>"));
+
+ ++type;
+ item = new ListBoxBWPreviewItem(m_bwTone, i18n("Green Tone"), m_previewPixmapFactory, type);
+ whatsThis3->add( item, i18n("<b>Black & White with greenish tint</b>:"
+ "<p>This effect is also known as Verdante.</p>"));
+
+ // -------------------------------------------------------------
+
+ TQWidget *curveBox = new TQWidget( m_tab );
+ TQGridLayout *gridTab2 = new TQGridLayout(curveBox, 5, 2, spacingHint(), 0);
+
+ Digikam::ColorGradientWidget* vGradient = new Digikam::ColorGradientWidget(
+ Digikam::ColorGradientWidget::Vertical,
+ 10, curveBox );
+ 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 adjustment of the image luminosity"));
+
+ TQLabel *spaceh = new TQLabel(curveBox);
+ spaceh->setFixedHeight(1);
+
+ Digikam::ColorGradientWidget *hGradient = new Digikam::ColorGradientWidget(
+ Digikam::ColorGradientWidget::Horizontal,
+ 10, curveBox );
+ hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+
+ m_cInput = new KIntNumInput(curveBox);
+ m_cInput->setLabel(i18n("Contrast:"), AlignLeft | AlignVCenter);
+ m_cInput->setRange(-100, 100, 1, true);
+ m_cInput->setValue(0);
+ TQWhatsThis::add( m_cInput, i18n("<p>Set here the contrast adjustment of the image."));
+
+ gridTab2->addMultiCellWidget(vGradient, 0, 0, 0, 0);
+ gridTab2->addMultiCellWidget(spacev, 0, 0, 1, 1);
+ gridTab2->addMultiCellWidget(m_curvesWidget, 0, 0, 2, 2);
+ gridTab2->addMultiCellWidget(spaceh, 1, 1, 2, 2);
+ gridTab2->addMultiCellWidget(hGradient, 2, 2, 2, 2);
+ gridTab2->addMultiCellWidget(m_cInput, 4, 4, 0, 2);
+ gridTab2->setRowSpacing(3, spacingHint());
+ gridTab2->setRowStretch(5, 10);
+
+ // -------------------------------------------------------------
+
+ m_tab->insertTab(m_bwFilm, i18n("Film"), FilmTab);
+ m_tab->insertTab(vbox, i18n("Lens Filters"), BWFiltersTab);
+ m_tab->insertTab(m_bwTone, i18n("Tone"), ToneTab);
+ m_tab->insertTab(curveBox, i18n("Lightness"), LuminosityTab);
+
+ gridSettings->addMultiCellWidget(m_tab, 3, 3, 0, 4);
+ gridSettings->setRowStretch(3, 10);
+ setUserAreaWidget(gboxSettings);
+
+ // -------------------------------------------------------------
+
+ 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_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_bwFilters, TQ_SIGNAL(highlighted(int)),
+ this, TQ_SLOT(slotFilterSelected(int)));
+
+ connect(m_strengthInput, TQ_SIGNAL(valueChanged(int)),
+ this, TQ_SLOT(slotTimer()));
+
+ connect(m_bwFilm, TQ_SIGNAL(highlighted(int)),
+ this, TQ_SLOT(slotEffect()));
+
+ connect(m_bwTone, TQ_SIGNAL(highlighted(int)),
+ this, TQ_SLOT(slotEffect()));
+
+ connect(m_curvesWidget, TQ_SIGNAL(signalCurvesChanged()),
+ this, TQ_SLOT(slotTimer()));
+
+ connect(m_cInput, TQ_SIGNAL(valueChanged(int)),
+ this, TQ_SLOT(slotTimer()));
+
+ connect(m_previewWidget, TQ_SIGNAL(signalResized()),
+ this, TQ_SLOT(slotEffect()));
+}
+
+ImageEffect_BWSepia::~ImageEffect_BWSepia()
+{
+ m_histogramWidget->stopHistogramComputation();
+
+ delete [] m_destinationPreviewData;
+
+ delete m_histogramWidget;
+ delete m_previewWidget;
+ delete m_curvesWidget;
+ delete m_curves;
+}
+
+void ImageEffect_BWSepia::slotFilterSelected(int filter)
+{
+ if (filter == BWNoFilter)
+ m_strengthInput->setEnabled(false);
+ else
+ m_strengthInput->setEnabled(true);
+
+ slotEffect();
+}
+
+TQPixmap ImageEffect_BWSepia::getThumbnailForEffect(int type)
+{
+ Digikam::DImg thumb = m_thumbnailImage.copy();
+ int w = thumb.width();
+ int h = thumb.height();
+ bool sb = thumb.sixteenBit();
+ bool a = thumb.hasAlpha();
+
+ if (type < BWGeneric)
+ {
+ // In Filter view, we will render a preview of the B&W filter with the generic B&W film.
+ blackAndWhiteConversion(thumb.bits(), w, h, sb, type);
+ blackAndWhiteConversion(thumb.bits(), w, h, sb, BWGeneric);
+ }
+ else
+ {
+ // In Film and Tone view, we will render the preview without to use the B&W Filter
+ blackAndWhiteConversion(thumb.bits(), w, h, sb, type);
+ }
+
+ if (m_curves) // in case we're called before the creator is done
+ {
+ uchar *targetData = new uchar[w*h*(sb ? 8 : 4)];
+ m_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
+ m_curves->curvesLutProcess(thumb.bits(), targetData, w, h);
+
+ Digikam::DImg preview(w, h, sb, a, targetData);
+ Digikam::BCGModifier cmod;
+ cmod.setContrast((double)(m_cInput->value()/100.0) + 1.00);
+ cmod.applyBCG(preview);
+
+ thumb.putImageData(preview.bits());
+
+ delete [] targetData;
+ }
+ return (thumb.convertToPixmap());
+}
+
+void ImageEffect_BWSepia::slotChannelChanged(int channel)
+{
+ switch(channel)
+ {
+ case LuminosityChannel:
+ m_histogramWidget->m_channelType = Digikam::HistogramWidget::ValueHistogram;
+ m_hGradient->setColors( TQColor( "black" ), TQColor( "white" ) );
+ break;
+
+ case RedChannel:
+ m_histogramWidget->m_channelType = Digikam::HistogramWidget::RedChannelHistogram;
+ m_hGradient->setColors( TQColor( "black" ), TQColor( "red" ) );
+ break;
+
+ case GreenChannel:
+ m_histogramWidget->m_channelType = Digikam::HistogramWidget::GreenChannelHistogram;
+ m_hGradient->setColors( TQColor( "black" ), TQColor( "green" ) );
+ break;
+
+ case BlueChannel:
+ m_histogramWidget->m_channelType = Digikam::HistogramWidget::BlueChannelHistogram;
+ m_hGradient->setColors( TQColor( "black" ), TQColor( "blue" ) );
+ break;
+ }
+
+ m_histogramWidget->repaint(false);
+}
+
+void ImageEffect_BWSepia::slotScaleChanged(int scale)
+{
+ m_histogramWidget->m_scaleType = scale;
+ m_histogramWidget->repaint(false);
+ m_curvesWidget->m_scaleType = scale;
+ m_curvesWidget->repaint(false);
+}
+
+void ImageEffect_BWSepia::slotSpotColorChanged(const Digikam::DColor &color)
+{
+ m_curvesWidget->setCurveGuide(color);
+}
+
+void ImageEffect_BWSepia::slotColorSelectedFromTarget( const Digikam::DColor &color )
+{
+ m_histogramWidget->setHistogramGuideByColor(color);
+}
+
+void ImageEffect_BWSepia::readUserSettings()
+{
+ TDEConfig* config = kapp->config();
+ config->setGroup("convertbw Tool Dialog");
+
+ m_tab->setCurrentPage(config->readNumEntry("Settings Tab", BWFiltersTab));
+ m_channelCB->setCurrentItem(config->readNumEntry("Histogram Channel", 0)); // Luminosity.
+ m_scaleBG->setButton(config->readNumEntry("Histogram Scale", Digikam::HistogramWidget::LogScaleHistogram));
+ m_bwFilters->setCurrentItem(config->readNumEntry("BW Filter", 0));
+ m_bwFilm->setCurrentItem(config->readNumEntry("BW Film", 0));
+ m_bwTone->setCurrentItem(config->readNumEntry("BW Tone", 0));
+ m_cInput->setValue(config->readNumEntry("ContrastAjustment", 0));
+ m_strengthInput->setValue(config->readNumEntry("StrengthAjustment", 1));
+
+ for (int i = 0 ; i < 5 ; i++)
+ m_curves->curvesChannelReset(i);
+
+ m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_SMOOTH);
+ m_curvesWidget->reset();
+
+ for (int j = 0 ; j < 17 ; j++)
+ {
+ TQPoint disable(-1, -1);
+ TQPoint p = config->readPointEntry(TQString("CurveAjustmentPoint%1").arg(j), &disable);
+
+ if (m_originalImage->sixteenBit() && p.x() != -1)
+ {
+ p.setX(p.x()*255);
+ p.setY(p.y()*255);
+ }
+
+ m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, j, p);
+ }
+
+ for (int i = 0 ; i < 5 ; i++)
+ m_curves->curvesCalculateCurve(i);
+
+ slotChannelChanged(m_channelCB->currentItem());
+ slotScaleChanged(m_scaleBG->selectedId());
+ slotFilterSelected(m_bwFilters->currentItem());
+}
+
+void ImageEffect_BWSepia::writeUserSettings()
+{
+ TDEConfig* config = kapp->config();
+ config->setGroup("convertbw Tool Dialog");
+ config->writeEntry("Settings Tab", m_tab->currentPageIndex());
+ config->writeEntry("Histogram Channel", m_channelCB->currentItem());
+ config->writeEntry("Histogram Scale", m_scaleBG->selectedId());
+ config->writeEntry("BW Filter", m_bwFilters->currentItem());
+ config->writeEntry("BW Film", m_bwFilm->currentItem());
+ config->writeEntry("BW Tone", m_bwTone->currentItem());
+ config->writeEntry("ContrastAjustment", m_cInput->value());
+ config->writeEntry("StrengthAjustment", m_strengthInput->value());
+
+ for (int j = 0 ; j < 17 ; j++)
+ {
+ TQPoint p = m_curves->getCurvePoint(Digikam::ImageHistogram::ValueChannel, j);
+
+ if (m_originalImage->sixteenBit() && p.x() != -1)
+ {
+ p.setX(p.x()/255);
+ p.setY(p.y()/255);
+ }
+
+ config->writeEntry(TQString("CurveAjustmentPoint%1").arg(j), p);
+ }
+
+ config->sync();
+}
+
+void ImageEffect_BWSepia::resetValues()
+{
+ m_bwFilters->blockSignals(true);
+ m_bwTone->blockSignals(true);
+ m_cInput->blockSignals(true);
+ m_strengthInput->blockSignals(true);
+
+ m_bwFilters->setCurrentItem(0);
+ m_bwFilters->setSelected(0, true);
+
+ m_bwTone->setCurrentItem(0);
+ m_bwTone->setSelected(0, true);
+
+ m_cInput->setValue(0);
+
+ for (int channel = 0 ; channel < 5 ; channel++)
+ m_curves->curvesChannelReset(channel);
+
+ m_curvesWidget->reset();
+
+ m_cInput->blockSignals(false);
+ m_bwTone->blockSignals(false);
+ m_bwFilters->blockSignals(false);
+ m_strengthInput->blockSignals(false);
+
+ m_histogramWidget->reset();
+ m_previewPixmapFactory->invalidate();
+ m_bwFilters->triggerUpdate(false);
+ m_bwTone->triggerUpdate(false);
+}
+
+void ImageEffect_BWSepia::slotEffect()
+{
+ kapp->setOverrideCursor( KCursor::waitCursor() );
+
+ m_histogramWidget->stopHistogramComputation();
+
+ delete [] m_destinationPreviewData;
+
+ Digikam::ImageIface* iface = m_previewWidget->imageIface();
+ m_destinationPreviewData = iface->getPreviewImage();
+ int w = iface->previewWidth();
+ int h = iface->previewHeight();
+ bool a = iface->previewHasAlpha();
+ bool sb = iface->previewSixteenBit();
+
+ // Apply black and white filter.
+
+ blackAndWhiteConversion(m_destinationPreviewData, w, h, sb, m_bwFilters->currentItem());
+
+ // Apply black and white film type.
+
+ blackAndWhiteConversion(m_destinationPreviewData, w, h, sb, m_bwFilm->currentItem() + BWGeneric);
+
+ // Apply color tone filter.
+
+ blackAndWhiteConversion(m_destinationPreviewData, w, h, sb, m_bwTone->currentItem() + BWNoTone);
+
+ // Calculate and apply the curve on image.
+
+ uchar *targetData = new uchar[w*h*(sb ? 8 : 4)];
+ m_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
+ m_curves->curvesLutProcess(m_destinationPreviewData, targetData, w, h);
+
+ // Adjust contrast.
+
+ Digikam::DImg preview(w, h, sb, a, targetData);
+ Digikam::BCGModifier cmod;
+ cmod.setContrast((double)(m_cInput->value()/100.0) + 1.00);
+ cmod.applyBCG(preview);
+ iface->putPreviewImage(preview.bits());
+
+ m_previewWidget->updatePreview();
+
+ // Update histogram.
+
+ memcpy(m_destinationPreviewData, preview.bits(), preview.numBytes());
+ m_histogramWidget->updateData(m_destinationPreviewData, w, h, sb, 0, 0, 0, false);
+ delete [] targetData;
+
+ kapp->restoreOverrideCursor();
+}
+
+void ImageEffect_BWSepia::slotTimer()
+{
+ Digikam::ImageDlgBase::slotTimer();
+ if (m_previewPixmapFactory && m_bwFilters && m_bwTone)
+ {
+ m_previewPixmapFactory->invalidate();
+ m_bwFilters->triggerUpdate(false);
+ m_bwTone->triggerUpdate(false);
+ }
+}
+
+void ImageEffect_BWSepia::finalRendering()
+{
+ kapp->setOverrideCursor( KCursor::waitCursor() );
+ Digikam::ImageIface* iface = m_previewWidget->imageIface();
+ uchar *data = iface->getOriginalImage();
+ int w = iface->originalWidth();
+ int h = iface->originalHeight();
+ bool a = iface->originalHasAlpha();
+ bool sb = iface->originalSixteenBit();
+
+ if (data)
+ {
+ // Apply black and white filter.
+
+ blackAndWhiteConversion(data, w, h, sb, m_bwFilters->currentItem());
+
+ // Apply black and white film type.
+
+ blackAndWhiteConversion(data, w, h, sb, m_bwFilm->currentItem() + BWGeneric);
+
+ // Apply color tone filter.
+
+ blackAndWhiteConversion(data, w, h, sb, m_bwTone->currentItem() + BWNoTone);
+
+ // Calculate and apply the curve on image.
+
+ uchar *targetData = new uchar[w*h*(sb ? 8 : 4)];
+ m_curves->curvesLutSetup(Digikam::ImageHistogram::AlphaChannel);
+ m_curves->curvesLutProcess(data, targetData, w, h);
+
+ // Adjust contrast.
+
+ Digikam::DImg img(w, h, sb, a, targetData);
+ Digikam::BCGModifier cmod;
+ cmod.setContrast((double)(m_cInput->value()/100.0) + 1.00);
+ cmod.applyBCG(img);
+
+ iface->putOriginalImage(i18n("Convert to Black && White"), img.bits());
+
+ delete [] data;
+ delete [] targetData;
+ }
+
+ kapp->restoreOverrideCursor();
+ accept();
+}
+
+void ImageEffect_BWSepia::blackAndWhiteConversion(uchar *data, int w, int h, bool sb, int type)
+{
+ // Value to multiply RGB 8 bits component of mask used by changeTonality() method.
+ int mul = sb ? 255 : 1;
+ Digikam::DImgImageFilters filter;
+ double strength = 1.0 + ((double)m_strengthInput->value() - 1.0) * (1.0 / 3.0);
+
+ switch (type)
+ {
+ case BWNoFilter:
+ m_redAttn = 0.0;
+ m_greenAttn = 0.0;
+ m_blueAttn = 0.0;
+ break;
+
+ case BWGreenFilter:
+ m_redAttn = -0.20 * strength;
+ m_greenAttn = +0.11 * strength;
+ m_blueAttn = +0.09 * strength;
+ break;
+
+ case BWOrangeFilter:
+ m_redAttn = +0.48 * strength;
+ m_greenAttn = -0.37 * strength;
+ m_blueAttn = -0.11 * strength;
+ break;
+
+ case BWRedFilter:
+ m_redAttn = +0.60 * strength;
+ m_greenAttn = -0.49 * strength;
+ m_blueAttn = -0.11 * strength;
+ break;
+
+ case BWYellowFilter:
+ m_redAttn = +0.30 * strength;
+ m_greenAttn = -0.31 * strength;
+ m_blueAttn = +0.01 * strength;
+ break;
+
+ // --------------------------------------------------------------------------------
+
+ case BWGeneric:
+ case BWNoTone:
+ m_redMult = 0.24;
+ m_greenMult = 0.68;
+ m_blueMult = 0.08;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWAgfa200X:
+ m_redMult = 0.18;
+ m_greenMult = 0.41;
+ m_blueMult = 0.41;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWAgfapan25:
+ m_redMult = 0.25;
+ m_greenMult = 0.39;
+ m_blueMult = 0.36;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWAgfapan100:
+ m_redMult = 0.21;
+ m_greenMult = 0.40;
+ m_blueMult = 0.39;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWAgfapan400:
+ m_redMult = 0.20;
+ m_greenMult = 0.41;
+ m_blueMult = 0.39;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordDelta100:
+ m_redMult = 0.21;
+ m_greenMult = 0.42;
+ m_blueMult = 0.37;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordDelta400:
+ m_redMult = 0.22;
+ m_greenMult = 0.42;
+ m_blueMult = 0.36;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordDelta400Pro3200:
+ m_redMult = 0.31;
+ m_greenMult = 0.36;
+ m_blueMult = 0.33;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordFP4:
+ m_redMult = 0.28;
+ m_greenMult = 0.41;
+ m_blueMult = 0.31;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordHP5:
+ m_redMult = 0.23;
+ m_greenMult = 0.37;
+ m_blueMult = 0.40;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordPanF:
+ m_redMult = 0.33;
+ m_greenMult = 0.36;
+ m_blueMult = 0.31;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWIlfordXP2Super:
+ m_redMult = 0.21;
+ m_greenMult = 0.42;
+ m_blueMult = 0.37;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWKodakTmax100:
+ m_redMult = 0.24;
+ m_greenMult = 0.37;
+ m_blueMult = 0.39;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWKodakTmax400:
+ m_redMult = 0.27;
+ m_greenMult = 0.36;
+ m_blueMult = 0.37;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ case BWKodakTriX:
+ m_redMult = 0.25;
+ m_greenMult = 0.35;
+ m_blueMult = 0.40;
+ filter.channelMixerImage(data, w, h, sb, true, true,
+ m_redMult + m_redMult*m_redAttn, m_greenMult + m_greenMult*m_greenAttn, m_blueMult + m_blueMult*m_blueAttn,
+ 0.0, 1.0, 0.0,
+ 0.0, 0.0, 1.0);
+ break;
+
+ // --------------------------------------------------------------------------------
+
+ case BWSepiaTone:
+ filter.changeTonality(data, w, h, sb, 162*mul, 132*mul, 101*mul);
+ break;
+
+ case BWBrownTone:
+ filter.changeTonality(data, w, h, sb, 129*mul, 115*mul, 104*mul);
+ break;
+
+ case BWColdTone:
+ filter.changeTonality(data, w, h, sb, 102*mul, 109*mul, 128*mul);
+ break;
+
+ case BWSeleniumTone:
+ filter.changeTonality(data, w, h, sb, 122*mul, 115*mul, 122*mul);
+ break;
+
+ case BWPlatinumTone:
+ filter.changeTonality(data, w, h, sb, 115*mul, 110*mul, 106*mul);
+ break;
+
+ case BWGreenTone:
+ filter.changeTonality(data, w, h, sb, 108*mul, 116*mul, 100*mul);
+ break;
+
+ }
+}
+
+//-- Load all settings from file --------------------------------------
+
+void ImageEffect_BWSepia::slotUser3()
+{
+ KURL loadFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
+ TQString( "*" ), this,
+ TQString( i18n("Black & White Settings File to Load")) );
+ if( loadFile.isEmpty() )
+ return;
+
+ TQFile file(loadFile.path());
+
+ if ( file.open(IO_ReadOnly) )
+ {
+ TQTextStream stream( &file );
+
+ if ( stream.readLine() != "# Black & White Configuration File" )
+ {
+ KMessageBox::error(this,
+ i18n("\"%1\" is not a Black & White settings text file.")
+ .arg(loadFile.fileName()));
+ file.close();
+ return;
+ }
+
+ m_bwFilters->blockSignals(true);
+ m_bwTone->blockSignals(true);
+ m_cInput->blockSignals(true);
+
+ m_bwFilters->setCurrentItem(stream.readLine().toInt());
+ m_bwTone->setCurrentItem(stream.readLine().toInt());
+ m_cInput->setValue(stream.readLine().toInt());
+
+ for (int i = 0 ; i < 5 ; i++)
+ m_curves->curvesChannelReset(i);
+
+ m_curves->setCurveType(m_curvesWidget->m_channelType, Digikam::ImageCurves::CURVE_SMOOTH);
+ m_curvesWidget->reset();
+
+ for (int j = 0 ; j < 17 ; j++)
+ {
+ TQPoint disable(-1, -1);
+ TQPoint p;
+ p.setX( stream.readLine().toInt() );
+ p.setY( stream.readLine().toInt() );
+
+ if (m_originalImage->sixteenBit() && p != disable)
+ {
+ p.setX(p.x()*255);
+ p.setY(p.y()*255);
+ }
+
+ m_curves->setCurvePoint(Digikam::ImageHistogram::ValueChannel, j, p);
+ }
+
+ for (int i = 0 ; i < 5 ; i++)
+ m_curves->curvesCalculateCurve(i);
+
+ m_bwFilters->blockSignals(false);
+ m_bwTone->blockSignals(false);
+ m_cInput->blockSignals(false);
+
+ m_histogramWidget->reset();
+ m_previewPixmapFactory->invalidate();
+ m_bwFilters->triggerUpdate(false);
+ m_bwTone->triggerUpdate(false);
+
+ slotEffect();
+ }
+ else
+ KMessageBox::error(this, i18n("Cannot load settings from the Black & White text file."));
+
+ file.close();
+}
+
+//-- Save all settings to file ---------------------------------------
+
+void ImageEffect_BWSepia::slotUser2()
+{
+ KURL saveFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
+ TQString( "*" ), this,
+ TQString( i18n("Black & White Settings File to Save")) );
+ if( saveFile.isEmpty() )
+ return;
+
+ TQFile file(saveFile.path());
+
+ if ( file.open(IO_WriteOnly) )
+ {
+ TQTextStream stream( &file );
+ stream << "# Black & White Configuration File\n";
+ stream << m_bwFilters->currentItem() << "\n";
+ stream << m_bwTone->currentItem() << "\n";
+ stream << m_cInput->value() << "\n";
+
+ for (int j = 0 ; j < 17 ; j++)
+ {
+ TQPoint p = m_curves->getCurvePoint(Digikam::ImageHistogram::ValueChannel, j);
+ if (m_originalImage->sixteenBit())
+ {
+ p.setX(p.x()/255);
+ p.setY(p.y()/255);
+ }
+ stream << p.x() << "\n";
+ stream << p.y() << "\n";
+ }
+ }
+ else
+ KMessageBox::error(this, i18n("Cannot save settings to the Black & White text file."));
+
+ file.close();
+}
+
+} // NameSpace DigikamImagesPluginCore
+
+