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Diffstat (limited to 'digikam/imageplugins/restoration/imageeffect_restoration.cpp')
| -rw-r--r-- | digikam/imageplugins/restoration/imageeffect_restoration.cpp | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/digikam/imageplugins/restoration/imageeffect_restoration.cpp b/digikam/imageplugins/restoration/imageeffect_restoration.cpp new file mode 100644 index 00000000..cdfcdf8a --- /dev/null +++ b/digikam/imageplugins/restoration/imageeffect_restoration.cpp @@ -0,0 +1,349 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-03-26 + * Description : a digiKam image editor plugin to restore + * a photograph + * + * Copyright (C) 2005-2008 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. + * + * ============================================================ */ + +// Qt includes. + +#include <qlabel.h> +#include <qtooltip.h> +#include <qwhatsthis.h> +#include <qlayout.h> +#include <qcombobox.h> +#include <qtabwidget.h> +#include <qfile.h> +#include <qimage.h> + +// KDE includes. + +#include <kurllabel.h> +#include <klocale.h> +#include <kaboutdata.h> +#include <kiconloader.h> +#include <kapplication.h> +#include <kfiledialog.h> +#include <kglobalsettings.h> +#include <kstandarddirs.h> +#include <kmessagebox.h> + +// Local includes. + +#include "version.h" +#include "ddebug.h" +#include "imageiface.h" +#include "greycstorationsettings.h" +#include "greycstorationwidget.h" +#include "greycstorationiface.h" +#include "imageeffect_restoration.h" +#include "imageeffect_restoration.moc" + +namespace DigikamRestorationImagesPlugin +{ + +ImageEffect_Restoration::ImageEffect_Restoration(QWidget* parent) + : Digikam::CtrlPanelDlg(parent, i18n("Photograph Restoration"), + "restoration", true, true, true, + Digikam::ImagePannelWidget::SeparateViewAll) +{ + QString whatsThis; + + // About data and help button. + + KAboutData* about = new KAboutData("digikam", + I18N_NOOP("Photograph Restoration"), + digikam_version, + I18N_NOOP("A digiKam image plugin to restore a photograph."), + KAboutData::License_GPL, + "(c) 2005-2008, Gilles Caulier", + 0, + "http://www.digikam.org"); + + about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"), + "caulier dot gilles at gmail dot com"); + + about->addAuthor("David Tschumperle", I18N_NOOP("CImg library"), 0, + "http://cimg.sourceforge.net"); + + about->addAuthor("Gerhard Kulzer", I18N_NOOP("Feedback and plugin polishing"), + "gerhard at kulzer.net"); + + setAboutData(about); + + // ------------------------------------------------------------- + + m_mainTab = new QTabWidget( m_imagePreviewWidget ); + + QWidget* firstPage = new QWidget( m_mainTab ); + QGridLayout* grid = new QGridLayout( firstPage, 2, 2, spacingHint()); + m_mainTab->addTab( firstPage, i18n("Preset") ); + + KURLLabel *cimgLogoLabel = new KURLLabel(firstPage); + cimgLogoLabel->setText(QString()); + cimgLogoLabel->setURL("http://cimg.sourceforge.net"); + KGlobal::dirs()->addResourceType("logo-cimg", KGlobal::dirs()->kde_default("data") + "digikam/data"); + QString directory = KGlobal::dirs()->findResourceDir("logo-cimg", "logo-cimg.png"); + cimgLogoLabel->setPixmap( QPixmap( directory + "logo-cimg.png" ) ); + QToolTip::add(cimgLogoLabel, i18n("Visit CImg library website")); + + QLabel *typeLabel = new QLabel(i18n("Filtering type:"), firstPage); + typeLabel->setAlignment ( Qt::AlignRight | Qt::AlignVCenter); + m_restorationTypeCB = new QComboBox( false, firstPage ); + m_restorationTypeCB->insertItem( i18n("None") ); + m_restorationTypeCB->insertItem( i18n("Reduce Uniform Noise") ); + m_restorationTypeCB->insertItem( i18n("Reduce JPEG Artefacts") ); + m_restorationTypeCB->insertItem( i18n("Reduce Texturing") ); + QWhatsThis::add( m_restorationTypeCB, i18n("<p>Select the filter preset to use for photograph restoration:<p>" + "<b>None</b>: Most common values. Puts settings to default.<p>" + "<b>Reduce Uniform Noise</b>: reduce small image artifacts like sensor noise.<p>" + "<b>Reduce JPEG Artefacts</b>: reduce large image artifacts like JPEG compression mosaic.<p>" + "<b>Reduce Texturing</b>: reduce image artifacts like paper texture or Moire patterns " + "of a scanned image.<p>")); + + grid->addMultiCellWidget(cimgLogoLabel, 0, 0, 1, 1); + grid->addMultiCellWidget(typeLabel, 1, 1, 0, 0); + grid->addMultiCellWidget(m_restorationTypeCB, 1, 1, 1, 1); + grid->setRowStretch(1, 10); + + // ------------------------------------------------------------- + + m_settingsWidget = new Digikam::GreycstorationWidget( m_mainTab ); + m_imagePreviewWidget->setUserAreaWidget(m_mainTab); + + // ------------------------------------------------------------- + + connect(cimgLogoLabel, SIGNAL(leftClickedURL(const QString&)), + this, SLOT(processCImgURL(const QString&))); + + connect(m_restorationTypeCB, SIGNAL(activated(int)), + this, SLOT(slotResetValues(int))); +} + +ImageEffect_Restoration::~ImageEffect_Restoration() +{ +} + +void ImageEffect_Restoration::renderingFinished() +{ + m_imagePreviewWidget->setEnable(true); + m_mainTab->setEnabled(true); +} + +void ImageEffect_Restoration::readUserSettings() +{ + KConfig* config = kapp->config(); + config->setGroup("restoration Tool Dialog"); + + Digikam::GreycstorationSettings settings; + settings.fastApprox = config->readBoolEntry("FastApprox", true); + settings.interp = config->readNumEntry("Interpolation", + Digikam::GreycstorationSettings::NearestNeighbor); + settings.amplitude = config->readDoubleNumEntry("Amplitude", 60.0); + settings.sharpness = config->readDoubleNumEntry("Sharpness", 0.7); + settings.anisotropy = config->readDoubleNumEntry("Anisotropy", 0.3); + settings.alpha = config->readDoubleNumEntry("Alpha", 0.6); + settings.sigma = config->readDoubleNumEntry("Sigma", 1.1); + settings.gaussPrec = config->readDoubleNumEntry("GaussPrec", 2.0); + settings.dl = config->readDoubleNumEntry("Dl", 0.8); + settings.da = config->readDoubleNumEntry("Da", 30.0); + settings.nbIter = config->readNumEntry("Iteration", 1); + settings.tile = config->readNumEntry("Tile", 512); + settings.btile = config->readNumEntry("BTile", 4); + m_settingsWidget->setSettings(settings); + + int p = config->readNumEntry("Preset", NoPreset); + m_restorationTypeCB->setCurrentItem(p); + if (p == NoPreset) + m_settingsWidget->setEnabled(true); + else + m_settingsWidget->setEnabled(false); +} + +void ImageEffect_Restoration::writeUserSettings() +{ + Digikam::GreycstorationSettings settings = m_settingsWidget->getSettings(); + KConfig* config = kapp->config(); + config->setGroup("restoration Tool Dialog"); + config->writeEntry("Preset", m_restorationTypeCB->currentItem()); + config->writeEntry("FastApprox", settings.fastApprox); + config->writeEntry("Interpolation", settings.interp); + config->writeEntry("Amplitude", settings.amplitude); + config->writeEntry("Sharpness", settings.sharpness); + config->writeEntry("Anisotropy", settings.anisotropy); + config->writeEntry("Alpha", settings.alpha); + config->writeEntry("Sigma", settings.sigma); + config->writeEntry("GaussPrec", settings.gaussPrec); + config->writeEntry("Dl", settings.dl); + config->writeEntry("Da", settings.da); + config->writeEntry("Iteration", settings.nbIter); + config->writeEntry("Tile", settings.tile); + config->writeEntry("BTile", settings.btile); + config->sync(); +} + +void ImageEffect_Restoration::slotResetValues(int i) +{ + if (i == NoPreset) + m_settingsWidget->setEnabled(true); + else + m_settingsWidget->setEnabled(false); + + resetValues(); +} + +void ImageEffect_Restoration::resetValues() +{ + Digikam::GreycstorationSettings settings; + settings.setRestorationDefaultSettings(); + + switch(m_restorationTypeCB->currentItem()) + { + case ReduceUniformNoise: + { + settings.amplitude = 40.0; + break; + } + + case ReduceJPEGArtefacts: + { + settings.sharpness = 0.3; + settings.sigma = 1.0; + settings.amplitude = 100.0; + settings.nbIter = 2; + break; + } + + case ReduceTexturing: + { + settings.sharpness = 0.5; + settings.sigma = 1.5; + settings.amplitude = 100.0; + settings.nbIter = 2; + break; + } + } + + m_settingsWidget->setSettings(settings); +} + +void ImageEffect_Restoration::processCImgURL(const QString& url) +{ + KApplication::kApplication()->invokeBrowser(url); +} + +void ImageEffect_Restoration::prepareEffect() +{ + m_mainTab->setEnabled(false); + + Digikam::DImg previewImage = m_imagePreviewWidget->getOriginalRegionImage(); + + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>( + new Digikam::GreycstorationIface( + &previewImage, m_settingsWidget->getSettings(), + Digikam::GreycstorationIface::Restore, + 0, 0, 0, this)); +} + +void ImageEffect_Restoration::prepareFinal() +{ + m_mainTab->setEnabled(false); + + Digikam::ImageIface iface(0, 0); + uchar *data = iface.getOriginalImage(); + Digikam::DImg originalImage(iface.originalWidth(), iface.originalHeight(), + iface.originalSixteenBit(), iface.originalHasAlpha(), data); + + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>( + new Digikam::GreycstorationIface( + &originalImage, m_settingsWidget->getSettings(), + Digikam::GreycstorationIface::Restore, + 0, 0, 0, this)); + + delete [] data; +} + +void ImageEffect_Restoration::putPreviewData(void) +{ + Digikam::DImg imDest = m_threadedFilter->getTargetImage(); + m_imagePreviewWidget->setPreviewImage(imDest); +} + +void ImageEffect_Restoration::putFinalData(void) +{ + Digikam::ImageIface iface(0, 0); + + iface.putOriginalImage(i18n("Restoration"), + m_threadedFilter->getTargetImage().bits()); +} + +void ImageEffect_Restoration::slotUser3() +{ + KURL loadRestorationFile = KFileDialog::getOpenURL(KGlobalSettings::documentPath(), + QString( "*" ), this, + QString( i18n("Photograph Restoration Settings File to Load")) ); + if( loadRestorationFile.isEmpty() ) + return; + + QFile file(loadRestorationFile.path()); + + if ( file.open(IO_ReadOnly) ) + { + if (!m_settingsWidget->loadSettings(file, QString("# Photograph Restoration Configuration File V2"))) + { + KMessageBox::error(this, + i18n("\"%1\" is not a Photograph Restoration settings text file.") + .arg(loadRestorationFile.fileName())); + file.close(); + return; + } + + slotEffect(); + } + else + KMessageBox::error(this, i18n("Cannot load settings from the Photograph Restoration text file.")); + + file.close(); + m_restorationTypeCB->blockSignals(true); + m_restorationTypeCB->setCurrentItem(NoPreset); + m_restorationTypeCB->blockSignals(false); + m_settingsWidget->setEnabled(true); +} + +void ImageEffect_Restoration::slotUser2() +{ + KURL saveRestorationFile = KFileDialog::getSaveURL(KGlobalSettings::documentPath(), + QString( "*" ), this, + QString( i18n("Photograph Restoration Settings File to Save")) ); + if( saveRestorationFile.isEmpty() ) + return; + + QFile file(saveRestorationFile.path()); + + if ( file.open(IO_WriteOnly) ) + m_settingsWidget->saveSettings(file, QString("# Photograph Restoration Configuration File V2")); + else + KMessageBox::error(this, i18n("Cannot save settings to the Photograph Restoration text file.")); + + file.close(); +} + +} // NameSpace DigikamRestorationImagesPlugin + |