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Diffstat (limited to 'src/imageplugins/coreplugin/imageeffect_bwsepia.cpp')
| -rw-r--r-- | src/imageplugins/coreplugin/imageeffect_bwsepia.cpp | 1183 |
1 files changed, 1183 insertions, 0 deletions
diff --git a/src/imageplugins/coreplugin/imageeffect_bwsepia.cpp b/src/imageplugins/coreplugin/imageeffect_bwsepia.cpp new file mode 100644 index 00000000..7dcdf0da --- /dev/null +++ b/src/imageplugins/coreplugin/imageeffect_bwsepia.cpp @@ -0,0 +1,1183 @@ +/* ============================================================ + * + * 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 <renchi@pooh.tam.uiuc.edu> + * 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 + + |