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554 lines
24 KiB
554 lines
24 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 : 2004-08-24
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* Description : a plugin to reduce CCD noise.
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*
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* Copyright (C) 2004-2008 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 <tqwhatsthis.h>
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#include <tqtooltip.h>
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#include <tqcheckbox.h>
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#include <tqstring.h>
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#include <tqtabwidget.h>
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#include <tqimage.h>
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#include <tqlayout.h>
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#include <tqfile.h>
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#include <tqtextstream.h>
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// KDE includes.
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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 <kstandarddirs.h>
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#include <knuminput.h>
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#include <tdefiledialog.h>
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#include <kglobalsettings.h>
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#include <kmessagebox.h>
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#include <tdeconfig.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 "dimg.h"
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#include "imageiface.h"
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#include "imagewidget.h"
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#include "noisereduction.h"
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#include "imageeffect_noisereduction.h"
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#include "imageeffect_noisereduction.moc"
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namespace DigikamNoiseReductionImagesPlugin
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{
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ImageEffect_NoiseReduction::ImageEffect_NoiseReduction(TQWidget* parent)
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: Digikam::CtrlPanelDlg(parent, i18n("Noise Reduction"),
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"noisereduction", true, true, true,
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Digikam::ImagePannelWidget::SeparateViewAll)
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{
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TQString whatsThis;
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TDEAboutData* about = new TDEAboutData("digikam",
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I18N_NOOP("Noise Reduction"),
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digikam_version,
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I18N_NOOP("A noise reduction image filter plugin for digiKam."),
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TDEAboutData::License_GPL,
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"(c) 2004-2008, 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("Peter Heckert", I18N_NOOP("Noise Reduction algorithm. Developer"),
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"peter dot heckert at arcor dot de");
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setAboutData(about);
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// -------------------------------------------------------------
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TQTabWidget *mainTab = new TQTabWidget(m_imagePreviewWidget);
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TQWidget* firstPage = new TQWidget( mainTab );
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TQGridLayout* gridSettings = new TQGridLayout( firstPage, 6, 1, spacingHint());
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mainTab->addTab( firstPage, i18n("Details") );
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TQLabel *label1 = new TQLabel(i18n("Radius:"), firstPage);
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m_radiusInput = new KDoubleNumInput(firstPage);
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m_radiusInput->setPrecision(1);
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m_radiusInput->setRange(0.0, 10.0, 0.1, true);
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TQWhatsThis::add( m_radiusInput, i18n("<p><b>Radius</b>: this control selects the "
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"gliding window size used for the filter. Larger values do not increase "
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"the amount of time needed to filter each pixel in the image but "
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"can cause blurring. This window moves across the image, and the "
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"color in it is smoothed to remove imperfections. "
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"In any case it must be about the same size as the noise granularity "
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"or somewhat more. If it is set higher than necessary, then it "
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"can cause unwanted blur."));
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gridSettings->addMultiCellWidget(label1, 0, 0, 0, 0);
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gridSettings->addMultiCellWidget(m_radiusInput, 0, 0, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label3 = new TQLabel(i18n("Threshold:"), firstPage);
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m_thresholdInput = new KDoubleNumInput(firstPage);
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m_thresholdInput->setPrecision(2);
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m_thresholdInput->setRange(0.0, 1.0, 0.01, true);
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TQWhatsThis::add( m_thresholdInput, i18n("<p><b>Threshold</b>: use the slider for coarse adjustment, "
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"and the spin control for fine adjustment to control edge detection sensitivity. "
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"This value should be set so that edges and details are clearly visible "
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"and noise is smoothed out. "
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"Adjustment must be made carefully, because the gap between \"noisy\", "
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"\"smooth\", and \"blur\" is very small. Adjust it as carefully as you would adjust "
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"the focus of a camera."));
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gridSettings->addMultiCellWidget(label3, 1, 1, 0, 0);
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gridSettings->addMultiCellWidget(m_thresholdInput, 1, 1, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label4 = new TQLabel(i18n("Texture:"), firstPage);
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m_textureInput = new KDoubleNumInput(firstPage);
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m_textureInput->setPrecision(2);
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m_textureInput->setRange(-0.99, 0.99, 0.01, true);
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TQWhatsThis::add( m_textureInput, i18n("<p><b>Texture</b>: this control sets the texture accuracy. "
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"This value can be used, to get more or less texture accuracy. When decreased, "
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"then noise and texture are blurred out, when increased then texture is "
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"amplified, but also noise will increase. It has almost no effect on image edges."));
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gridSettings->addMultiCellWidget(label4, 2, 2, 0, 0);
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gridSettings->addMultiCellWidget(m_textureInput, 2, 2, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label7 = new TQLabel(i18n("Sharpness:"), firstPage); // Filter setting "Lookahead".
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m_sharpnessInput = new KDoubleNumInput(firstPage);
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m_sharpnessInput->setPrecision(2);
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m_sharpnessInput->setRange(0.0, 1.0, 0.1, true);
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TQWhatsThis::add( m_sharpnessInput, i18n("<p><b>Sharpness</b>: "
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"This value improves the frequency response for the filter. "
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"When it is too strong then not all noise can be removed, or spike noise may appear. "
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"Set it near to maximum, if you want to remove very weak noise or JPEG-artifacts, "
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"without losing detail."));
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gridSettings->addMultiCellWidget(label7, 3, 3, 0, 0);
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gridSettings->addMultiCellWidget(m_sharpnessInput, 3, 3, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label5 = new TQLabel(i18n("Edge Lookahead:"), firstPage); // Filter setting "Sharp".
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m_lookaheadInput = new KDoubleNumInput(firstPage);
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m_lookaheadInput->setPrecision(2);
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m_lookaheadInput->setRange(0.01, 20.0, 0.01, true);
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TQWhatsThis::add( m_lookaheadInput, i18n("<p><b>Edge</b>: "
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"This value defines the pixel distance to which the filter looks ahead for edges. "
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"When this value is increased, then spike noise is erased. "
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"You can eventually re-adjust the <b>Edge</b> filter, when you have changed this setting. "
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"When this value is too high, the adaptive filter can no longer accurately track "
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"image details, and noise or blurring can occur."));
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gridSettings->addMultiCellWidget(label5, 4, 4, 0, 0);
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gridSettings->addMultiCellWidget(m_lookaheadInput, 4, 4, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label10 = new TQLabel(i18n("Erosion:"), firstPage);
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m_phaseInput = new KDoubleNumInput(firstPage);
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m_phaseInput->setPrecision(1);
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m_phaseInput->setRange(0.5, 20.0, 0.5, true);
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TQWhatsThis::add( m_phaseInput, i18n("<p><b>Erosion</b>: "
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"Use this to increase edge noise erosion and spike noise erosion "
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"(noise is removed by erosion)."));
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gridSettings->addMultiCellWidget(label10, 5, 5, 0, 0);
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gridSettings->addMultiCellWidget(m_phaseInput, 5, 5, 1, 1);
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gridSettings->setColStretch(1, 10);
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gridSettings->setRowStretch(6, 10);
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// -------------------------------------------------------------
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TQWidget* secondPage = new TQWidget( mainTab );
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TQGridLayout* gridSettings2 = new TQGridLayout( secondPage, 4, 1, spacingHint());
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mainTab->addTab( secondPage, i18n("Advanced") );
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TQLabel *label2 = new TQLabel(i18n("Luminance:"), secondPage);
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m_lumToleranceInput = new KDoubleNumInput(secondPage);
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m_lumToleranceInput->setPrecision(1);
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m_lumToleranceInput->setRange(0.0, 1.0, 0.1, true);
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TQWhatsThis::add( m_lumToleranceInput, i18n("<p><b>Luminance</b>: this control sets the luminance tolerance of the image."
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"We recommend using either the <b>Color</b> or the <b>Luminance</b> tolerance settings "
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"to make an image correction, not both at the same time. These settings "
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"do not influence the main smoothing process controlled by the <b>Details</b> "
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"settings."));
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gridSettings2->addMultiCellWidget(label2, 0, 0, 0, 0);
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gridSettings2->addMultiCellWidget(m_lumToleranceInput, 0, 0, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label6 = new TQLabel(i18n("Color:"), secondPage);
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m_csmoothInput = new KDoubleNumInput(secondPage);
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m_csmoothInput->setPrecision(1);
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m_csmoothInput->setRange(0.0, 1.0, 0.1, true);
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TQWhatsThis::add( m_csmoothInput, i18n("<p><b>Color</b>: this control sets the color tolerance of the image. It is "
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"recommended using either the <b>Color</b> or the <b>Luminance</b> tolerance "
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"to make image correction, not both at the same time. These settings "
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"do not influence the main smoothing process controlled by the <b>Details</b> "
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"settings."));
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gridSettings2->addMultiCellWidget(label6, 1, 1, 0, 0);
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gridSettings2->addMultiCellWidget(m_csmoothInput, 1, 1, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label8 = new TQLabel(i18n("Gamma:"), secondPage);
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m_gammaInput = new KDoubleNumInput(secondPage);
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m_gammaInput->setPrecision(1);
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m_gammaInput->setRange(0.3, 3.0, 0.1, true);
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TQWhatsThis::add( m_gammaInput, i18n("<p><b>Gamma</b>: this control sets the gamma tolerance of the image. This value "
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"can be used to increase the tolerance values for darker areas (which commonly "
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"are noisier). This results in more blur for shadow areas."));
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gridSettings2->addMultiCellWidget(label8, 2, 2, 0, 0);
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gridSettings2->addMultiCellWidget(m_gammaInput, 2, 2, 1, 1);
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// -------------------------------------------------------------
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TQLabel *label9 = new TQLabel(i18n("Damping:"), secondPage);
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m_dampingInput = new KDoubleNumInput(secondPage);
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m_dampingInput->setPrecision(1);
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m_dampingInput->setRange(0.5, 20.0, 0.5, true);
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TQWhatsThis::add( m_dampingInput, i18n("<p><b>Damping</b>: this control sets the phase-jitter damping adjustment. "
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"This value defines how fast the adaptive filter-radius reacts to luminance "
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"variations. If increased, then edges appear smoother; if too high, then blur "
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"may occur. If at minimum, then noise and phase jitter at the edges can occur. It "
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"can suppress spike noise when increased, and this is the preferred method to "
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"remove it."));
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gridSettings2->addMultiCellWidget(label9, 3, 3, 0, 0);
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gridSettings2->addMultiCellWidget(m_dampingInput, 3, 3, 1, 1);
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gridSettings2->setColStretch(1, 10);
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gridSettings2->setRowStretch(4, 10);
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m_imagePreviewWidget->setUserAreaWidget(mainTab);
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// -------------------------------------------------------------
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// connect(m_radiusInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_lumToleranceInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_thresholdInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_textureInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_sharpnessInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_csmoothInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_lookaheadInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_gammaInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_dampingInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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//
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// connect(m_phaseInput, TQT_SIGNAL(valueChanged(double)),
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// this, TQT_SLOT(slotTimer()));
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}
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ImageEffect_NoiseReduction::~ImageEffect_NoiseReduction()
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{
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}
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void ImageEffect_NoiseReduction::renderingFinished()
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{
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m_radiusInput->setEnabled(true);
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m_lumToleranceInput->setEnabled(true);
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m_thresholdInput->setEnabled(true);
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m_textureInput->setEnabled(true);
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m_sharpnessInput->setEnabled(true);
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m_csmoothInput->setEnabled(true);
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m_lookaheadInput->setEnabled(true);
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m_gammaInput->setEnabled(true);
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m_dampingInput->setEnabled(true);
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m_phaseInput->setEnabled(true);
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}
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void ImageEffect_NoiseReduction::readUserSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("noisereduction Tool Dialog");
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m_radiusInput->setEnabled(true);
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m_lumToleranceInput->setEnabled(true);
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m_thresholdInput->setEnabled(true);
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m_textureInput->setEnabled(true);
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m_sharpnessInput->setEnabled(true);
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m_csmoothInput->setEnabled(true);
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m_lookaheadInput->setEnabled(true);
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m_gammaInput->setEnabled(true);
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m_dampingInput->setEnabled(true);
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m_phaseInput->setEnabled(true);
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m_radiusInput->setValue(config->readDoubleNumEntry("RadiusAjustment", 1.0));
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m_lumToleranceInput->setValue(config->readDoubleNumEntry("LumToleranceAjustment", 1.0));
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m_thresholdInput->setValue(config->readDoubleNumEntry("ThresholdAjustment", 0.08));
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m_textureInput->setValue(config->readDoubleNumEntry("TextureAjustment", 0.0));
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m_sharpnessInput->setValue(config->readDoubleNumEntry("SharpnessAjustment", 0.25));
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m_csmoothInput->setValue(config->readDoubleNumEntry("CsmoothAjustment", 1.0));
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m_lookaheadInput->setValue(config->readDoubleNumEntry("LookAheadAjustment", 2.0));
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m_gammaInput->setValue(config->readDoubleNumEntry("GammaAjustment", 1.4));
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m_dampingInput->setValue(config->readDoubleNumEntry("DampingAjustment", 5.0));
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m_phaseInput->setValue(config->readDoubleNumEntry("PhaseAjustment", 1.0));
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m_radiusInput->setEnabled(false);
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m_lumToleranceInput->setEnabled(false);
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m_thresholdInput->setEnabled(false);
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m_textureInput->setEnabled(false);
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m_sharpnessInput->setEnabled(false);
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m_csmoothInput->setEnabled(false);
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m_lookaheadInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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m_dampingInput->setEnabled(false);
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m_phaseInput->setEnabled(false);
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}
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void ImageEffect_NoiseReduction::writeUserSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("noisereduction Tool Dialog");
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config->writeEntry("RadiusAjustment", m_radiusInput->value());
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config->writeEntry("LumToleranceAjustment", m_lumToleranceInput->value());
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config->writeEntry("ThresholdAjustment", m_thresholdInput->value());
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config->writeEntry("TextureAjustment", m_textureInput->value());
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config->writeEntry("SharpnessAjustment", m_sharpnessInput->value());
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config->writeEntry("CsmoothAjustment", m_csmoothInput->value());
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config->writeEntry("LookAheadAjustment", m_lookaheadInput->value());
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config->writeEntry("GammaAjustment", m_gammaInput->value());
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config->writeEntry("DampingAjustment", m_dampingInput->value());
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config->writeEntry("PhaseAjustment", m_phaseInput->value());
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config->sync();
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}
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void ImageEffect_NoiseReduction::resetValues()
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{
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m_radiusInput->setEnabled(true);
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m_lumToleranceInput->setEnabled(true);
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m_thresholdInput->setEnabled(true);
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m_textureInput->setEnabled(true);
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m_sharpnessInput->setEnabled(true);
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m_csmoothInput->setEnabled(true);
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m_lookaheadInput->setEnabled(true);
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m_gammaInput->setEnabled(true);
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m_dampingInput->setEnabled(true);
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m_phaseInput->setEnabled(true);
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m_radiusInput->setValue(1.0);
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m_lumToleranceInput->setValue(1.0);
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m_thresholdInput->setValue(0.08);
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m_textureInput->setValue(0.0);
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m_sharpnessInput->setValue(0.25);
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m_csmoothInput->setValue(1.0);
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m_lookaheadInput->setValue(2.0);
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m_gammaInput->setValue(1.4);
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m_dampingInput->setValue(5.0);
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m_phaseInput->setValue(1.0);
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m_radiusInput->setEnabled(false);
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m_lumToleranceInput->setEnabled(false);
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m_thresholdInput->setEnabled(false);
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m_textureInput->setEnabled(false);
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m_sharpnessInput->setEnabled(false);
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m_csmoothInput->setEnabled(false);
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m_lookaheadInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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m_dampingInput->setEnabled(false);
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m_phaseInput->setEnabled(false);
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}
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void ImageEffect_NoiseReduction::prepareEffect()
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{
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m_radiusInput->setEnabled(false);
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m_lumToleranceInput->setEnabled(false);
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m_thresholdInput->setEnabled(false);
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m_textureInput->setEnabled(false);
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m_sharpnessInput->setEnabled(false);
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m_csmoothInput->setEnabled(false);
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m_lookaheadInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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m_dampingInput->setEnabled(false);
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m_phaseInput->setEnabled(false);
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double r = m_radiusInput->value();
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double l = m_lumToleranceInput->value();
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double th = m_thresholdInput->value();
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double tx = m_textureInput->value();
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double s = m_sharpnessInput->value();
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double c = m_csmoothInput->value();
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double a = m_lookaheadInput->value();
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double g = m_gammaInput->value();
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double d = m_dampingInput->value();
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double p = m_phaseInput->value();
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Digikam::DImg image = m_imagePreviewWidget->getOriginalRegionImage();
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new NoiseReduction(&image,
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this, r, l, th, tx, s, c, a, g, d, p));
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}
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void ImageEffect_NoiseReduction::prepareFinal()
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{
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m_radiusInput->setEnabled(false);
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m_lumToleranceInput->setEnabled(false);
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m_thresholdInput->setEnabled(false);
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m_textureInput->setEnabled(false);
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m_sharpnessInput->setEnabled(false);
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m_csmoothInput->setEnabled(false);
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m_lookaheadInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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m_dampingInput->setEnabled(false);
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m_phaseInput->setEnabled(false);
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|
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double r = m_radiusInput->value();
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double l = m_lumToleranceInput->value();
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double th = m_thresholdInput->value();
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double tx = m_textureInput->value();
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double s = m_sharpnessInput->value();
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double c = m_csmoothInput->value();
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double a = m_lookaheadInput->value();
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double g = m_gammaInput->value();
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double d = m_dampingInput->value();
|
|
double p = m_phaseInput->value();
|
|
|
|
Digikam::ImageIface iface(0, 0);
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(new NoiseReduction(iface.getOriginalImg(),
|
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this, r, l, th, tx, s, c, a, g, d, p));
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|
}
|
|
|
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void ImageEffect_NoiseReduction::putPreviewData(void)
|
|
{
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m_imagePreviewWidget->setPreviewImage(m_threadedFilter->getTargetImage());
|
|
}
|
|
|
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void ImageEffect_NoiseReduction::putFinalData(void)
|
|
{
|
|
Digikam::ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Noise Reduction"), m_threadedFilter->getTargetImage().bits());
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|
}
|
|
|
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void ImageEffect_NoiseReduction::slotUser3()
|
|
{
|
|
KURL loadRestorationFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Photograph Noise Reduction Settings File to Load")) );
|
|
if ( loadRestorationFile.isEmpty() )
|
|
return;
|
|
|
|
TQFile file(loadRestorationFile.path());
|
|
|
|
if ( file.open(IO_ReadOnly) )
|
|
{
|
|
TQTextStream 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(TDEGlobalSettings::documentPath(),
|
|
TQString( "*" ), this,
|
|
TQString( i18n("Photograph Noise Reduction Settings File to Save")) );
|
|
if ( saveRestorationFile.isEmpty() )
|
|
return;
|
|
|
|
TQFile file(saveRestorationFile.path());
|
|
|
|
if ( file.open(IO_WriteOnly) )
|
|
{
|
|
TQTextStream 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
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|
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