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350 lines
13 KiB
350 lines
13 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-03-26
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* Description : a digiKam image editor plugin to restore
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* a photograph
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*
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* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqlabel.h>
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#include <tqtooltip.h>
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#include <tqwhatsthis.h>
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#include <tqlayout.h>
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#include <tqcombobox.h>
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#include <tqtabwidget.h>
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#include <tqfile.h>
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#include <tqimage.h>
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// KDE includes.
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#include <kurllabel.h>
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#include <klocale.h>
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#include <kaboutdata.h>
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#include <kiconloader.h>
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#include <kapplication.h>
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#include <tdefiledialog.h>
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#include <kglobalsettings.h>
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#include <kstandarddirs.h>
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#include <kmessagebox.h>
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// Local includes.
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#include "version.h"
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#include "ddebug.h"
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#include "imageiface.h"
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#include "greycstorationsettings.h"
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#include "greycstorationwidget.h"
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#include "greycstorationiface.h"
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#include "imageeffect_restoration.h"
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#include "imageeffect_restoration.moc"
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namespace DigikamRestorationImagesPlugin
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{
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ImageEffect_Restoration::ImageEffect_Restoration(TQWidget* parent)
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: Digikam::CtrlPanelDlg(parent, i18n("Photograph Restoration"),
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"restoration", true, true, true,
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Digikam::ImagePannelWidget::SeparateViewAll)
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{
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TQString whatsThis;
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// About data and help button.
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TDEAboutData* about = new TDEAboutData("digikam",
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I18N_NOOP("Photograph Restoration"),
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digikam_version,
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I18N_NOOP("A digiKam image plugin to restore a photograph."),
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TDEAboutData::License_GPL,
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"(c) 2005-2008, Gilles Caulier",
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0,
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"http://www.digikam.org");
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about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
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"caulier dot gilles at gmail dot com");
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about->addAuthor("David Tschumperle", I18N_NOOP("CImg library"), 0,
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"http://cimg.sourceforge.net");
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about->addAuthor("Gerhard Kulzer", I18N_NOOP("Feedback and plugin polishing"),
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"gerhard at kulzer.net");
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setAboutData(about);
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// -------------------------------------------------------------
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m_mainTab = new TQTabWidget( m_imagePreviewWidget );
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TQWidget* firstPage = new TQWidget( m_mainTab );
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TQGridLayout* grid = new TQGridLayout( firstPage, 2, 2, spacingHint());
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m_mainTab->addTab( firstPage, i18n("Preset") );
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KURLLabel *cimgLogoLabel = new KURLLabel(firstPage);
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cimgLogoLabel->setText(TQString());
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cimgLogoLabel->setURL("http://cimg.sourceforge.net");
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TDEGlobal::dirs()->addResourceType("logo-cimg", TDEGlobal::dirs()->kde_default("data") + "digikam/data");
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TQString directory = TDEGlobal::dirs()->findResourceDir("logo-cimg", "logo-cimg.png");
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cimgLogoLabel->setPixmap( TQPixmap( directory + "logo-cimg.png" ) );
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TQToolTip::add(cimgLogoLabel, i18n("Visit CImg library website"));
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TQLabel *typeLabel = new TQLabel(i18n("Filtering type:"), firstPage);
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typeLabel->setAlignment ( TQt::AlignRight | TQt::AlignVCenter);
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m_restorationTypeCB = new TQComboBox( false, firstPage );
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m_restorationTypeCB->insertItem( i18n("None") );
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m_restorationTypeCB->insertItem( i18n("Reduce Uniform Noise") );
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m_restorationTypeCB->insertItem( i18n("Reduce JPEG Artefacts") );
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m_restorationTypeCB->insertItem( i18n("Reduce Texturing") );
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TQWhatsThis::add( m_restorationTypeCB, i18n("<p>Select the filter preset to use for photograph restoration:<p>"
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"<b>None</b>: Most common values. Puts settings to default.<p>"
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"<b>Reduce Uniform Noise</b>: reduce small image artifacts like sensor noise.<p>"
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"<b>Reduce JPEG Artefacts</b>: reduce large image artifacts like JPEG compression mosaic.<p>"
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"<b>Reduce Texturing</b>: reduce image artifacts like paper texture or Moire patterns "
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"of a scanned image.<p>"));
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grid->addMultiCellWidget(cimgLogoLabel, 0, 0, 1, 1);
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grid->addMultiCellWidget(typeLabel, 1, 1, 0, 0);
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grid->addMultiCellWidget(m_restorationTypeCB, 1, 1, 1, 1);
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grid->setRowStretch(1, 10);
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// -------------------------------------------------------------
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m_settingsWidget = new Digikam::GreycstorationWidget( m_mainTab );
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m_imagePreviewWidget->setUserAreaWidget(m_mainTab);
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// -------------------------------------------------------------
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connect(cimgLogoLabel, TQT_SIGNAL(leftClickedURL(const TQString&)),
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this, TQT_SLOT(processCImgURL(const TQString&)));
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connect(m_restorationTypeCB, TQT_SIGNAL(activated(int)),
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this, TQT_SLOT(slotResetValues(int)));
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}
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ImageEffect_Restoration::~ImageEffect_Restoration()
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{
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}
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void ImageEffect_Restoration::renderingFinished()
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{
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m_imagePreviewWidget->setEnable(true);
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m_mainTab->setEnabled(true);
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}
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void ImageEffect_Restoration::readUserSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("restoration Tool Dialog");
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Digikam::GreycstorationSettings settings;
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settings.fastApprox = config->readBoolEntry("FastApprox", true);
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settings.interp = config->readNumEntry("Interpolation",
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Digikam::GreycstorationSettings::NearestNeighbor);
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settings.amplitude = config->readDoubleNumEntry("Amplitude", 60.0);
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settings.sharpness = config->readDoubleNumEntry("Sharpness", 0.7);
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settings.anisotropy = config->readDoubleNumEntry("Anisotropy", 0.3);
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settings.alpha = config->readDoubleNumEntry("Alpha", 0.6);
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settings.sigma = config->readDoubleNumEntry("Sigma", 1.1);
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settings.gaussPrec = config->readDoubleNumEntry("GaussPrec", 2.0);
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settings.dl = config->readDoubleNumEntry("Dl", 0.8);
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settings.da = config->readDoubleNumEntry("Da", 30.0);
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settings.nbIter = config->readNumEntry("Iteration", 1);
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settings.tile = config->readNumEntry("Tile", 512);
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settings.btile = config->readNumEntry("BTile", 4);
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m_settingsWidget->setSettings(settings);
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int p = config->readNumEntry("Preset", NoPreset);
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m_restorationTypeCB->setCurrentItem(p);
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if (p == NoPreset)
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m_settingsWidget->setEnabled(true);
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else
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m_settingsWidget->setEnabled(false);
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}
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void ImageEffect_Restoration::writeUserSettings()
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{
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Digikam::GreycstorationSettings settings = m_settingsWidget->getSettings();
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TDEConfig* config = kapp->config();
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config->setGroup("restoration Tool Dialog");
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config->writeEntry("Preset", m_restorationTypeCB->currentItem());
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config->writeEntry("FastApprox", settings.fastApprox);
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config->writeEntry("Interpolation", settings.interp);
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config->writeEntry("Amplitude", settings.amplitude);
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config->writeEntry("Sharpness", settings.sharpness);
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config->writeEntry("Anisotropy", settings.anisotropy);
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config->writeEntry("Alpha", settings.alpha);
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config->writeEntry("Sigma", settings.sigma);
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config->writeEntry("GaussPrec", settings.gaussPrec);
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config->writeEntry("Dl", settings.dl);
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config->writeEntry("Da", settings.da);
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config->writeEntry("Iteration", settings.nbIter);
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config->writeEntry("Tile", settings.tile);
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config->writeEntry("BTile", settings.btile);
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config->sync();
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}
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void ImageEffect_Restoration::slotResetValues(int i)
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{
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if (i == NoPreset)
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m_settingsWidget->setEnabled(true);
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else
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m_settingsWidget->setEnabled(false);
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resetValues();
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}
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void ImageEffect_Restoration::resetValues()
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{
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Digikam::GreycstorationSettings settings;
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settings.setRestorationDefaultSettings();
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switch(m_restorationTypeCB->currentItem())
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{
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case ReduceUniformNoise:
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{
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settings.amplitude = 40.0;
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break;
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}
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case ReduceJPEGArtefacts:
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{
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settings.sharpness = 0.3;
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settings.sigma = 1.0;
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settings.amplitude = 100.0;
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settings.nbIter = 2;
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break;
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}
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case ReduceTexturing:
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{
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settings.sharpness = 0.5;
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settings.sigma = 1.5;
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settings.amplitude = 100.0;
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settings.nbIter = 2;
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break;
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}
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}
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m_settingsWidget->setSettings(settings);
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}
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void ImageEffect_Restoration::processCImgURL(const TQString& url)
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{
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TDEApplication::kApplication()->invokeBrowser(url);
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}
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void ImageEffect_Restoration::prepareEffect()
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{
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m_mainTab->setEnabled(false);
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Digikam::DImg previewImage = m_imagePreviewWidget->getOriginalRegionImage();
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new Digikam::GreycstorationIface(
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&previewImage, m_settingsWidget->getSettings(),
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Digikam::GreycstorationIface::Restore,
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0, 0, 0, this));
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}
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void ImageEffect_Restoration::prepareFinal()
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{
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m_mainTab->setEnabled(false);
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Digikam::ImageIface iface(0, 0);
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uchar *data = iface.getOriginalImage();
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Digikam::DImg originalImage(iface.originalWidth(), iface.originalHeight(),
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iface.originalSixteenBit(), iface.originalHasAlpha(), data);
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new Digikam::GreycstorationIface(
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&originalImage, m_settingsWidget->getSettings(),
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Digikam::GreycstorationIface::Restore,
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0, 0, 0, this));
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delete [] data;
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}
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void ImageEffect_Restoration::putPreviewData(void)
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{
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Digikam::DImg imDest = m_threadedFilter->getTargetImage();
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m_imagePreviewWidget->setPreviewImage(imDest);
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}
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void ImageEffect_Restoration::putFinalData(void)
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{
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Digikam::ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Restoration"),
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m_threadedFilter->getTargetImage().bits());
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}
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void ImageEffect_Restoration::slotUser3()
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{
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KURL loadRestorationFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
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TQString( "*" ), this,
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TQString( i18n("Photograph Restoration Settings File to Load")) );
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if( loadRestorationFile.isEmpty() )
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return;
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TQFile file(loadRestorationFile.path());
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if ( file.open(IO_ReadOnly) )
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{
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if (!m_settingsWidget->loadSettings(file, TQString("# Photograph Restoration Configuration File V2")))
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{
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KMessageBox::error(this,
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i18n("\"%1\" is not a Photograph Restoration settings text file.")
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.arg(loadRestorationFile.fileName()));
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file.close();
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return;
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}
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slotEffect();
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}
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else
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KMessageBox::error(this, i18n("Cannot load settings from the Photograph Restoration text file."));
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file.close();
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m_restorationTypeCB->blockSignals(true);
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m_restorationTypeCB->setCurrentItem(NoPreset);
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m_restorationTypeCB->blockSignals(false);
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m_settingsWidget->setEnabled(true);
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}
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void ImageEffect_Restoration::slotUser2()
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{
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KURL saveRestorationFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(),
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TQString( "*" ), this,
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TQString( i18n("Photograph Restoration Settings File to Save")) );
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if( saveRestorationFile.isEmpty() )
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return;
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TQFile file(saveRestorationFile.path());
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if ( file.open(IO_WriteOnly) )
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m_settingsWidget->saveSettings(file, TQString("# Photograph Restoration Configuration File V2"));
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else
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KMessageBox::error(this, i18n("Cannot save settings to the Photograph Restoration text file."));
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file.close();
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}
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} // NameSpace DigikamRestorationImagesPlugin
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