diff options
Diffstat (limited to 'digikam/imageplugins/noisereduction/imageeffect_noisereduction.cpp')
| -rw-r--r-- | digikam/imageplugins/noisereduction/imageeffect_noisereduction.cpp | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/digikam/imageplugins/noisereduction/imageeffect_noisereduction.cpp b/digikam/imageplugins/noisereduction/imageeffect_noisereduction.cpp new file mode 100644 index 0000000..aed84cd --- /dev/null +++ b/digikam/imageplugins/noisereduction/imageeffect_noisereduction.cpp @@ -0,0 +1,553 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2004-08-24 + * Description : a plugin to reduce CCD noise. + * + * Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software Foundation; + * either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * ============================================================ */ + +// Qt includes. + +#include <qlabel.h> +#include <qwhatsthis.h> +#include <qtooltip.h> +#include <qcheckbox.h> +#include <qstring.h> +#include <qtabwidget.h> +#include <qimage.h> +#include <qlayout.h> +#include <qfile.h> +#include <qtextstream.h> + +// KDE includes. + +#include <klocale.h> +#include <kaboutdata.h> +#include <kiconloader.h> +#include <kapplication.h> +#include <kstandarddirs.h> +#include <knuminput.h> +#include <kfiledialog.h> +#include <kglobalsettings.h> +#include <kmessagebox.h> +#include <kconfig.h> + +// Local includes. + +#include "version.h" +#include "ddebug.h" +#include "dimg.h" +#include "imageiface.h" +#include "imagewidget.h" +#include "noisereduction.h" +#include "imageeffect_noisereduction.h" +#include "imageeffect_noisereduction.moc" + +namespace DigikamNoiseReductionImagesPlugin +{ + +ImageEffect_NoiseReduction::ImageEffect_NoiseReduction(QWidget* parent) + : Digikam::CtrlPanelDlg(parent, i18n("Noise Reduction"), + "noisereduction", true, true, true, + Digikam::ImagePannelWidget::SeparateViewAll) +{ + QString whatsThis; + + KAboutData* about = new KAboutData("digikam", + I18N_NOOP("Noise Reduction"), + digikam_version, + I18N_NOOP("A noise reduction image filter plugin for digiKam."), + KAboutData::License_GPL, + "(c) 2004-2008, Gilles Caulier", + 0, + "http://www.digikam.org"); + + about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"), + "caulier dot gilles at gmail dot com"); + + about->addAuthor("Peter Heckert", I18N_NOOP("Noise Reduction algorithm. Developer"), + "peter dot heckert at arcor dot de"); + + setAboutData(about); + + // ------------------------------------------------------------- + + QTabWidget *mainTab = new QTabWidget(m_imagePreviewWidget); + + QWidget* firstPage = new QWidget( mainTab ); + QGridLayout* gridSettings = new QGridLayout( firstPage, 6, 1, spacingHint()); + mainTab->addTab( firstPage, i18n("Details") ); + + QLabel *label1 = new QLabel(i18n("Radius:"), firstPage); + + m_radiusInput = new KDoubleNumInput(firstPage); + m_radiusInput->setPrecision(1); + m_radiusInput->setRange(0.0, 10.0, 0.1, true); + QWhatsThis::add( m_radiusInput, i18n("<p><b>Radius</b>: this control selects the " + "gliding window size used for the filter. Larger values do not increase " + "the amount of time needed to filter each pixel in the image but " + "can cause blurring. This window moves across the image, and the " + "color in it is smoothed to remove imperfections. " + "In any case it must be about the same size as the noise granularity " + "or somewhat more. If it is set higher than necessary, then it " + "can cause unwanted blur.")); + + gridSettings->addMultiCellWidget(label1, 0, 0, 0, 0); + gridSettings->addMultiCellWidget(m_radiusInput, 0, 0, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label3 = new QLabel(i18n("Threshold:"), firstPage); + + m_thresholdInput = new KDoubleNumInput(firstPage); + m_thresholdInput->setPrecision(2); + m_thresholdInput->setRange(0.0, 1.0, 0.01, true); + QWhatsThis::add( m_thresholdInput, i18n("<p><b>Threshold</b>: use the slider for coarse adjustment, " + "and the spin control for fine adjustment to control edge detection sensitivity. " + "This value should be set so that edges and details are clearly visible " + "and noise is smoothed out. " + "Adjustment must be made carefully, because the gap between \"noisy\", " + "\"smooth\", and \"blur\" is very small. Adjust it as carefully as you would adjust " + "the focus of a camera.")); + + gridSettings->addMultiCellWidget(label3, 1, 1, 0, 0); + gridSettings->addMultiCellWidget(m_thresholdInput, 1, 1, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label4 = new QLabel(i18n("Texture:"), firstPage); + + m_textureInput = new KDoubleNumInput(firstPage); + m_textureInput->setPrecision(2); + m_textureInput->setRange(-0.99, 0.99, 0.01, true); + QWhatsThis::add( m_textureInput, i18n("<p><b>Texture</b>: this control sets the texture accuracy. " + "This value can be used, to get more or less texture accuracy. When decreased, " + "then noise and texture are blurred out, when increased then texture is " + "amplified, but also noise will increase. It has almost no effect on image edges.")); + + gridSettings->addMultiCellWidget(label4, 2, 2, 0, 0); + gridSettings->addMultiCellWidget(m_textureInput, 2, 2, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label7 = new QLabel(i18n("Sharpness:"), firstPage); // Filter setting "Lookahead". + + m_sharpnessInput = new KDoubleNumInput(firstPage); + m_sharpnessInput->setPrecision(2); + m_sharpnessInput->setRange(0.0, 1.0, 0.1, true); + QWhatsThis::add( m_sharpnessInput, i18n("<p><b>Sharpness</b>: " + "This value improves the frequency response for the filter. " + "When it is too strong then not all noise can be removed, or spike noise may appear. " + "Set it near to maximum, if you want to remove very weak noise or JPEG-artifacts, " + "without losing detail.")); + + gridSettings->addMultiCellWidget(label7, 3, 3, 0, 0); + gridSettings->addMultiCellWidget(m_sharpnessInput, 3, 3, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label5 = new QLabel(i18n("Edge Lookahead:"), firstPage); // Filter setting "Sharp". + + m_lookaheadInput = new KDoubleNumInput(firstPage); + m_lookaheadInput->setPrecision(2); + m_lookaheadInput->setRange(0.01, 20.0, 0.01, true); + QWhatsThis::add( m_lookaheadInput, i18n("<p><b>Edge</b>: " + "This value defines the pixel distance to which the filter looks ahead for edges. " + "When this value is increased, then spike noise is erased. " + "You can eventually re-adjust the <b>Edge</b> filter, when you have changed this setting. " + "When this value is too high, the adaptive filter can no longer accurately track " + "image details, and noise or blurring can occur.")); + + gridSettings->addMultiCellWidget(label5, 4, 4, 0, 0); + gridSettings->addMultiCellWidget(m_lookaheadInput, 4, 4, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label10 = new QLabel(i18n("Erosion:"), firstPage); + + m_phaseInput = new KDoubleNumInput(firstPage); + m_phaseInput->setPrecision(1); + m_phaseInput->setRange(0.5, 20.0, 0.5, true); + QWhatsThis::add( m_phaseInput, i18n("<p><b>Erosion</b>: " + "Use this to increase edge noise erosion and spike noise erosion " + "(noise is removed by erosion).")); + + gridSettings->addMultiCellWidget(label10, 5, 5, 0, 0); + gridSettings->addMultiCellWidget(m_phaseInput, 5, 5, 1, 1); + gridSettings->setColStretch(1, 10); + gridSettings->setRowStretch(6, 10); + + // ------------------------------------------------------------- + + QWidget* secondPage = new QWidget( mainTab ); + QGridLayout* gridSettings2 = new QGridLayout( secondPage, 4, 1, spacingHint()); + mainTab->addTab( secondPage, i18n("Advanced") ); + + QLabel *label2 = new QLabel(i18n("Luminance:"), secondPage); + + m_lumToleranceInput = new KDoubleNumInput(secondPage); + m_lumToleranceInput->setPrecision(1); + m_lumToleranceInput->setRange(0.0, 1.0, 0.1, true); + QWhatsThis::add( m_lumToleranceInput, i18n("<p><b>Luminance</b>: this control sets the luminance tolerance of the image." + "We recommend using either the <b>Color</b> or the <b>Luminance</b> tolerance settings " + "to make an image correction, not both at the same time. These settings " + "do not influence the main smoothing process controlled by the <b>Details</b> " + "settings.")); + + gridSettings2->addMultiCellWidget(label2, 0, 0, 0, 0); + gridSettings2->addMultiCellWidget(m_lumToleranceInput, 0, 0, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label6 = new QLabel(i18n("Color:"), secondPage); + + m_csmoothInput = new KDoubleNumInput(secondPage); + m_csmoothInput->setPrecision(1); + m_csmoothInput->setRange(0.0, 1.0, 0.1, true); + QWhatsThis::add( m_csmoothInput, i18n("<p><b>Color</b>: this control sets the color tolerance of the image. It is " + "recommended using either the <b>Color</b> or the <b>Luminance</b> tolerance " + "to make image correction, not both at the same time. These settings " + "do not influence the main smoothing process controlled by the <b>Details</b> " + "settings.")); + + gridSettings2->addMultiCellWidget(label6, 1, 1, 0, 0); + gridSettings2->addMultiCellWidget(m_csmoothInput, 1, 1, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label8 = new QLabel(i18n("Gamma:"), secondPage); + + m_gammaInput = new KDoubleNumInput(secondPage); + m_gammaInput->setPrecision(1); + m_gammaInput->setRange(0.3, 3.0, 0.1, true); + QWhatsThis::add( m_gammaInput, i18n("<p><b>Gamma</b>: this control sets the gamma tolerance of the image. This value " + "can be used to increase the tolerance values for darker areas (which commonly " + "are noisier). This results in more blur for shadow areas.")); + + gridSettings2->addMultiCellWidget(label8, 2, 2, 0, 0); + gridSettings2->addMultiCellWidget(m_gammaInput, 2, 2, 1, 1); + + // ------------------------------------------------------------- + + QLabel *label9 = new QLabel(i18n("Damping:"), secondPage); + + m_dampingInput = new KDoubleNumInput(secondPage); + m_dampingInput->setPrecision(1); + m_dampingInput->setRange(0.5, 20.0, 0.5, true); + QWhatsThis::add( m_dampingInput, i18n("<p><b>Damping</b>: this control sets the phase-jitter damping adjustment. " + "This value defines how fast the adaptive filter-radius reacts to luminance " + "variations. If increased, then edges appear smoother; if too high, then blur " + "may occur. If at minimum, then noise and phase jitter at the edges can occur. It " + "can suppress spike noise when increased, and this is the preferred method to " + "remove it.")); + + gridSettings2->addMultiCellWidget(label9, 3, 3, 0, 0); + gridSettings2->addMultiCellWidget(m_dampingInput, 3, 3, 1, 1); + gridSettings2->setColStretch(1, 10); + gridSettings2->setRowStretch(4, 10); + + m_imagePreviewWidget->setUserAreaWidget(mainTab); + + // ------------------------------------------------------------- + +// connect(m_radiusInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_lumToleranceInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_thresholdInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_textureInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_sharpnessInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_csmoothInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_lookaheadInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_gammaInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_dampingInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +// +// connect(m_phaseInput, SIGNAL(valueChanged(double)), +// this, SLOT(slotTimer())); +} + +ImageEffect_NoiseReduction::~ImageEffect_NoiseReduction() +{ +} + +void ImageEffect_NoiseReduction::renderingFinished() +{ + m_radiusInput->setEnabled(true); + m_lumToleranceInput->setEnabled(true); + m_thresholdInput->setEnabled(true); + m_textureInput->setEnabled(true); + m_sharpnessInput->setEnabled(true); + m_csmoothInput->setEnabled(true); + m_lookaheadInput->setEnabled(true); + m_gammaInput->setEnabled(true); + m_dampingInput->setEnabled(true); + m_phaseInput->setEnabled(true); +} + +void ImageEffect_NoiseReduction::readUserSettings() +{ + KConfig* config = kapp->config(); + config->setGroup("noisereduction Tool Dialog"); + m_radiusInput->setEnabled(true); + m_lumToleranceInput->setEnabled(true); + m_thresholdInput->setEnabled(true); + m_textureInput->setEnabled(true); + m_sharpnessInput->setEnabled(true); + m_csmoothInput->setEnabled(true); + m_lookaheadInput->setEnabled(true); + m_gammaInput->setEnabled(true); + m_dampingInput->setEnabled(true); + m_phaseInput->setEnabled(true); + + m_radiusInput->setValue(config->readDoubleNumEntry("RadiusAjustment", 1.0)); + m_lumToleranceInput->setValue(config->readDoubleNumEntry("LumToleranceAjustment", 1.0)); + m_thresholdInput->setValue(config->readDoubleNumEntry("ThresholdAjustment", 0.08)); + m_textureInput->setValue(config->readDoubleNumEntry("TextureAjustment", 0.0)); + m_sharpnessInput->setValue(config->readDoubleNumEntry("SharpnessAjustment", 0.25)); + m_csmoothInput->setValue(config->readDoubleNumEntry("CsmoothAjustment", 1.0)); + m_lookaheadInput->setValue(config->readDoubleNumEntry("LookAheadAjustment", 2.0)); + m_gammaInput->setValue(config->readDoubleNumEntry("GammaAjustment", 1.4)); + m_dampingInput->setValue(config->readDoubleNumEntry("DampingAjustment", 5.0)); + m_phaseInput->setValue(config->readDoubleNumEntry("PhaseAjustment", 1.0)); + + m_radiusInput->setEnabled(false); + m_lumToleranceInput->setEnabled(false); + m_thresholdInput->setEnabled(false); + m_textureInput->setEnabled(false); + m_sharpnessInput->setEnabled(false); + m_csmoothInput->setEnabled(false); + m_lookaheadInput->setEnabled(false); + m_gammaInput->setEnabled(false); + m_dampingInput->setEnabled(false); + m_phaseInput->setEnabled(false); +} + +void ImageEffect_NoiseReduction::writeUserSettings() +{ + KConfig* config = kapp->config(); + config->setGroup("noisereduction Tool Dialog"); + config->writeEntry("RadiusAjustment", m_radiusInput->value()); + config->writeEntry("LumToleranceAjustment", m_lumToleranceInput->value()); + config->writeEntry("ThresholdAjustment", m_thresholdInput->value()); + config->writeEntry("TextureAjustment", m_textureInput->value()); + config->writeEntry("SharpnessAjustment", m_sharpnessInput->value()); + config->writeEntry("CsmoothAjustment", m_csmoothInput->value()); + config->writeEntry("LookAheadAjustment", m_lookaheadInput->value()); + config->writeEntry("GammaAjustment", m_gammaInput->value()); + config->writeEntry("DampingAjustment", m_dampingInput->value()); + config->writeEntry("PhaseAjustment", m_phaseInput->value()); + config->sync(); +} + +void ImageEffect_NoiseReduction::resetValues() +{ + m_radiusInput->setEnabled(true); + m_lumToleranceInput->setEnabled(true); + m_thresholdInput->setEnabled(true); + m_textureInput->setEnabled(true); + m_sharpnessInput->setEnabled(true); + m_csmoothInput->setEnabled(true); + m_lookaheadInput->setEnabled(true); + m_gammaInput->setEnabled(true); + m_dampingInput->setEnabled(true); + m_phaseInput->setEnabled(true); + + m_radiusInput->setValue(1.0); + m_lumToleranceInput->setValue(1.0); + m_thresholdInput->setValue(0.08); + m_textureInput->setValue(0.0); + m_sharpnessInput->setValue(0.25); + m_csmoothInput->setValue(1.0); + m_lookaheadInput->setValue(2.0); + m_gammaInput->setValue(1.4); + m_dampingInput->setValue(5.0); + m_phaseInput->setValue(1.0); + + m_radiusInput->setEnabled(false); + m_lumToleranceInput->setEnabled(false); + m_thresholdInput->setEnabled(false); + m_textureInput->setEnabled(false); + m_sharpnessInput->setEnabled(false); + m_csmoothInput->setEnabled(false); + m_lookaheadInput->setEnabled(false); + m_gammaInput->setEnabled(false); + m_dampingInput->setEnabled(false); + m_phaseInput->setEnabled(false); +} + +void ImageEffect_NoiseReduction::prepareEffect() +{ + m_radiusInput->setEnabled(false); + m_lumToleranceInput->setEnabled(false); + m_thresholdInput->setEnabled(false); + m_textureInput->setEnabled(false); + m_sharpnessInput->setEnabled(false); + m_csmoothInput->setEnabled(false); + m_lookaheadInput->setEnabled(false); + m_gammaInput->setEnabled(false); + m_dampingInput->setEnabled(false); + m_phaseInput->setEnabled(false); + + double r = m_radiusInput->value(); + double l = m_lumToleranceInput->value(); + double th = m_thresholdInput->value(); + double tx = m_textureInput->value(); + double s = m_sharpnessInput->value(); + double c = m_csmoothInput->value(); + double a = m_lookaheadInput->value(); + double g = m_gammaInput->value(); + double d = m_dampingInput->value(); + double p = m_phaseInput->value(); + + Digikam::DImg image = m_imagePreviewWidget->getOriginalRegionImage(); + + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new NoiseReduction(&image, + this, r, l, th, tx, s, c, a, g, d, p)); +} + +void ImageEffect_NoiseReduction::prepareFinal() +{ + m_radiusInput->setEnabled(false); + m_lumToleranceInput->setEnabled(false); + m_thresholdInput->setEnabled(false); + m_textureInput->setEnabled(false); + m_sharpnessInput->setEnabled(false); + m_csmoothInput->setEnabled(false); + m_lookaheadInput->setEnabled(false); + m_gammaInput->setEnabled(false); + m_dampingInput->setEnabled(false); + m_phaseInput->setEnabled(false); + + double r = m_radiusInput->value(); + double l = m_lumToleranceInput->value(); + double th = m_thresholdInput->value(); + double tx = m_textureInput->value(); + double s = m_sharpnessInput->value(); + double c = m_csmoothInput->value(); + double a = m_lookaheadInput->value(); + double g = m_gammaInput->value(); + double d = m_dampingInput->value(); + double p = m_phaseInput->value(); + + Digikam::ImageIface iface(0, 0); + m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new NoiseReduction(iface.getOriginalImg(), + this, r, l, th, tx, s, c, a, g, d, p)); +} + +void ImageEffect_NoiseReduction::putPreviewData(void) +{ + m_imagePreviewWidget->setPreviewImage(m_threadedFilter->getTargetImage()); +} + +void ImageEffect_NoiseReduction::putFinalData(void) +{ + Digikam::ImageIface iface(0, 0); + iface.putOriginalImage(i18n("Noise Reduction"), m_threadedFilter->getTargetImage().bits()); +} + +void ImageEffect_NoiseReduction::slotUser3() +{ + KURL loadRestorationFile = KFileDialog::getOpenURL(KGlobalSettings::documentPath(), + QString( "*" ), this, + QString( i18n("Photograph Noise Reduction Settings File to Load")) ); + if ( loadRestorationFile.isEmpty() ) + return; + + QFile file(loadRestorationFile.path()); + + if ( file.open(IO_ReadOnly) ) + { + QTextStream stream( &file ); + if ( stream.readLine() != "# Photograph Noise Reduction Configuration File" ) + { + KMessageBox::error(this, + i18n("\"%1\" is not a Photograph Noise Reduction settings text file.") + .arg(loadRestorationFile.fileName())); + file.close(); + return; + } + + blockSignals(true); + m_radiusInput->setValue( stream.readLine().toDouble() ); + m_lumToleranceInput->setValue( stream.readLine().toDouble() ); + m_thresholdInput->setValue( stream.readLine().toDouble() ); + m_textureInput->setValue( stream.readLine().toDouble() ); + m_sharpnessInput->setValue( stream.readLine().toDouble() ); + m_csmoothInput->setValue( stream.readLine().toDouble() ); + m_lookaheadInput->setValue( stream.readLine().toDouble() ); + m_gammaInput->setValue( stream.readLine().toDouble() ); + m_dampingInput->setValue( stream.readLine().toDouble() ); + m_phaseInput->setValue( stream.readLine().toDouble() ); + blockSignals(false); +// slotEffect(); + } + else + KMessageBox::error(this, i18n("Cannot load settings from the Photograph Noise Reduction text file.")); + + file.close(); +} + +void ImageEffect_NoiseReduction::slotUser2() +{ + KURL saveRestorationFile = KFileDialog::getSaveURL(KGlobalSettings::documentPath(), + QString( "*" ), this, + QString( i18n("Photograph Noise Reduction Settings File to Save")) ); + if ( saveRestorationFile.isEmpty() ) + return; + + QFile file(saveRestorationFile.path()); + + if ( file.open(IO_WriteOnly) ) + { + QTextStream stream( &file ); + stream << "# Photograph Noise Reduction Configuration File\n"; + stream << m_radiusInput->value() << "\n"; + stream << m_lumToleranceInput->value() << "\n"; + stream << m_thresholdInput->value() << "\n"; + stream << m_textureInput->value() << "\n"; + stream << m_sharpnessInput->value() << "\n"; + stream << m_csmoothInput->value() << "\n"; + stream << m_lookaheadInput->value() << "\n"; + stream << m_gammaInput->value() << "\n"; + stream << m_dampingInput->value() << "\n"; + stream << m_phaseInput->value() << "\n"; + + } + else + KMessageBox::error(this, i18n("Cannot save settings to the Photograph Noise Reduction text file.")); + + file.close(); +} + +} // NameSpace DigikamNoiseReductionImagesPlugin + |