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381 lines
14 KiB
381 lines
14 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 : 2004-12-25
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* Description : a digiKam image plugin to reduce
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* vignetting on an image.
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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 <tqlayout.h>
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#include <tqimage.h>
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#include <tqpixmap.h>
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#include <tqpainter.h>
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#include <tqpen.h>
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#include <tqtabwidget.h>
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// KDE includes.
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#include <tdeconfig.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 <kstandarddirs.h>
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#include <knuminput.h>
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#include <kseparator.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 "bcgmodifier.h"
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#include "imageiface.h"
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#include "imagewidget.h"
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#include "dimgimagefilters.h"
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#include "antivignetting.h"
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#include "imageeffect_antivignetting.h"
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#include "imageeffect_antivignetting.moc"
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namespace DigikamAntiVignettingImagesPlugin
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{
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ImageEffect_AntiVignetting::ImageEffect_AntiVignetting(TQWidget* parent)
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: Digikam::ImageGuideDlg(parent, i18n("Vignetting Correction"),
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"antivignettings", false, true, false,
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Digikam::ImageGuideWidget::HVGuideMode, 0, true)
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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("Vignetting Correction"),
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digikam_version,
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I18N_NOOP("A digiKam image plugin to reduce image vignetting."),
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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("John Walker", I18N_NOOP("Anti Vignetting algorithm"), 0,
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"http://www.fourmilab.ch/netpbm/pnmctrfilt");
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setAboutData(about);
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// -------------------------------------------------------------
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TQWidget *gboxSettings = new TQWidget(plainPage());
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TQGridLayout* gridSettings = new TQGridLayout( gboxSettings, 13, 2, spacingHint());
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m_maskPreviewLabel = new TQLabel( gboxSettings );
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m_maskPreviewLabel->setAlignment ( TQt::AlignHCenter | TQt::AlignVCenter );
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TQWhatsThis::add( m_maskPreviewLabel, i18n("<p>You can see here a thumbnail preview of the anti-vignetting "
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"mask applied to the image.") );
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gridSettings->addMultiCellWidget(m_maskPreviewLabel, 0, 0, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label1 = new TQLabel(i18n("Density:"), gboxSettings);
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m_densityInput = new KDoubleNumInput(gboxSettings);
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m_densityInput->setPrecision(1);
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m_densityInput->setRange(1.0, 20.0, 0.1, true);
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TQWhatsThis::add( m_densityInput, i18n("<p>This value controls the degree of intensity attenuation by the filter "
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"at its point of maximum density."));
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gridSettings->addMultiCellWidget(label1, 1, 1, 0, 2);
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gridSettings->addMultiCellWidget(m_densityInput, 2, 2, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label2 = new TQLabel(i18n("Power:"), gboxSettings);
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m_powerInput = new KDoubleNumInput(gboxSettings);
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m_powerInput->setPrecision(1);
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m_powerInput->setRange(0.1, 2.0, 0.1, true);
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TQWhatsThis::add( m_powerInput, i18n("<p>This value is used as the exponent controlling the fall-off in density "
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"from the center of the filter to the periphery."));
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gridSettings->addMultiCellWidget(label2, 3, 3, 0, 2);
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gridSettings->addMultiCellWidget(m_powerInput, 4, 4, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label3 = new TQLabel(i18n("Radius:"), gboxSettings);
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m_radiusInput = new KDoubleNumInput(gboxSettings);
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m_radiusInput->setPrecision(1);
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m_radiusInput->setRange(-100.0, 100.0, 0.1, true);
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TQWhatsThis::add( m_radiusInput, i18n("<p>This value is the radius of the center filter. It is a multiple of the "
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"half-diagonal measure of the image, at which the density of the filter falls "
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"to zero."));
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gridSettings->addMultiCellWidget(label3, 5, 5, 0, 2);
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gridSettings->addMultiCellWidget(m_radiusInput, 6, 6, 0, 2);
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KSeparator *line = new KSeparator(Horizontal, gboxSettings);
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gridSettings->addMultiCellWidget(line, 7, 7, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label4 = new TQLabel(i18n("Brightness:"), gboxSettings);
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m_brightnessInput = new KIntNumInput(gboxSettings);
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m_brightnessInput->setRange(0, 100, 1, true);
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TQWhatsThis::add( m_brightnessInput, i18n("<p>Set here the brightness re-adjustment of the target image."));
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gridSettings->addMultiCellWidget(label4, 8, 8, 0, 2);
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gridSettings->addMultiCellWidget(m_brightnessInput, 9, 9, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label5 = new TQLabel(i18n("Contrast:"), gboxSettings);
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m_contrastInput = new KIntNumInput(gboxSettings);
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m_contrastInput->setRange(0, 100, 1, true);
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TQWhatsThis::add( m_contrastInput, i18n("<p>Set here the contrast re-adjustment of the target image."));
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gridSettings->addMultiCellWidget(label5, 10, 10, 0, 2);
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gridSettings->addMultiCellWidget(m_contrastInput, 11, 11, 0, 2);
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// -------------------------------------------------------------
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TQLabel *label6 = new TQLabel(i18n("Gamma:"), gboxSettings);
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m_gammaInput = new KDoubleNumInput(gboxSettings);
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m_gammaInput->setPrecision(2);
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m_gammaInput->setRange(0.1, 3.0, 0.01, true);
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m_gammaInput->setValue(1.0);
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TQWhatsThis::add( m_gammaInput, i18n("<p>Set here the gamma re-adjustment of the target image."));
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gridSettings->addMultiCellWidget(label6, 12, 12, 0, 2);
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gridSettings->addMultiCellWidget(m_gammaInput, 13, 13, 0, 2);
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setUserAreaWidget(gboxSettings);
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// -------------------------------------------------------------
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connect(m_densityInput, TQT_SIGNAL(valueChanged (double)),
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this, TQT_SLOT(slotTimer()));
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connect(m_powerInput, TQT_SIGNAL(valueChanged (double)),
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this, TQT_SLOT(slotTimer()));
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connect(m_radiusInput, TQT_SIGNAL(valueChanged (double)),
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this, TQT_SLOT(slotTimer()));
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connect(m_brightnessInput, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotTimer()));
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connect(m_contrastInput, TQT_SIGNAL(valueChanged (int)),
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this, TQT_SLOT(slotTimer()));
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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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ImageEffect_AntiVignetting::~ImageEffect_AntiVignetting()
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{
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}
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void ImageEffect_AntiVignetting::renderingFinished()
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{
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m_densityInput->setEnabled(true);
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m_powerInput->setEnabled(true);
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m_radiusInput->setEnabled(true);
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m_brightnessInput->setEnabled(true);
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m_contrastInput->setEnabled(true);
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m_gammaInput->setEnabled(true);
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}
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void ImageEffect_AntiVignetting::readUserSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("antivignettings Tool Dialog");
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m_densityInput->blockSignals(true);
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m_powerInput->blockSignals(true);
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m_radiusInput->blockSignals(true);
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m_brightnessInput->blockSignals(true);
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m_contrastInput->blockSignals(true);
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m_gammaInput->blockSignals(true);
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m_densityInput->setValue(config->readDoubleNumEntry("DensityAjustment", 2.0));
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m_powerInput->setValue(config->readDoubleNumEntry("PowerAjustment", 1.0));
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m_radiusInput->setValue(config->readDoubleNumEntry("RadiusAjustment", 1.0));
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m_brightnessInput->setValue(config->readNumEntry("BrightnessAjustment", 0));
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m_contrastInput->setValue(config->readNumEntry("ContrastAjustment", 0));
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m_gammaInput->setValue(config->readDoubleNumEntry("GammaAjustment", 1.0));
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m_densityInput->blockSignals(false);
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m_powerInput->blockSignals(false);
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m_radiusInput->blockSignals(false);
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m_brightnessInput->blockSignals(false);
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m_contrastInput->blockSignals(false);
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m_gammaInput->blockSignals(false);
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slotEffect();
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}
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void ImageEffect_AntiVignetting::writeUserSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("antivignettings Tool Dialog");
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config->writeEntry("DensityAjustment", m_densityInput->value());
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config->writeEntry("PowerAjustment", m_powerInput->value());
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config->writeEntry("RadiusAjustment", m_radiusInput->value());
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config->writeEntry("BrightnessAjustment", m_brightnessInput->value());
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config->writeEntry("ContrastAjustment", m_contrastInput->value());
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config->writeEntry("GammaAjustment", m_gammaInput->value());
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config->sync();
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}
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void ImageEffect_AntiVignetting::resetValues()
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{
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m_densityInput->blockSignals(true);
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m_powerInput->blockSignals(true);
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m_radiusInput->blockSignals(true);
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m_brightnessInput->blockSignals(true);
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m_contrastInput->blockSignals(true);
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m_gammaInput->blockSignals(true);
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m_densityInput->setValue(2.0);
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m_powerInput->setValue(1.0);
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m_radiusInput->setValue(1.0);
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m_brightnessInput->setValue(0);
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m_contrastInput->setValue(0);
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m_gammaInput->setValue(1.0);
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m_densityInput->blockSignals(false);
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m_powerInput->blockSignals(false);
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m_radiusInput->blockSignals(false);
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m_brightnessInput->blockSignals(false);
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m_contrastInput->blockSignals(false);
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m_gammaInput->blockSignals(false);
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}
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void ImageEffect_AntiVignetting::prepareEffect()
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{
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m_densityInput->setEnabled(false);
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m_powerInput->setEnabled(false);
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m_radiusInput->setEnabled(false);
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m_brightnessInput->setEnabled(false);
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m_contrastInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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double d = m_densityInput->value();
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double p = m_powerInput->value();
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double r = m_radiusInput->value();
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Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
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uchar *data = iface->getOriginalImage();
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int orgWidth = iface->originalWidth();
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int orgHeight = iface->originalHeight();
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TQSize ps(orgWidth, orgHeight);
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ps.scale( TQSize(120, 120), TQSize::ScaleMin );
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// Calc mask preview.
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Digikam::DImg preview(ps.width(), ps.height(), false);
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memset(preview.bits(), 255, preview.numBytes());
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AntiVignetting maskPreview(&preview, 0L, d, p, r, 0, 0, false);
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TQPixmap pix = maskPreview.getTargetImage().convertToPixmap();
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TQPainter pt(&pix);
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pt.setPen( TQPen(TQt::black, 1) );
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pt.drawRect( 0, 0, pix.width(), pix.height() );
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pt.end();
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m_maskPreviewLabel->setPixmap( pix );
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Digikam::DImg orgImage(orgWidth, orgHeight, iface->originalSixteenBit(),
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iface->originalHasAlpha(), data);
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delete [] data;
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true));
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}
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void ImageEffect_AntiVignetting::prepareFinal()
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{
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m_densityInput->setEnabled(false);
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m_powerInput->setEnabled(false);
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m_radiusInput->setEnabled(false);
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m_brightnessInput->setEnabled(false);
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m_contrastInput->setEnabled(false);
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m_gammaInput->setEnabled(false);
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double d = m_densityInput->value();
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double p = m_powerInput->value();
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double r = m_radiusInput->value();
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Digikam::ImageIface iface(0, 0);
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uchar *data = iface.getOriginalImage();
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Digikam::DImg orgImage(iface.originalWidth(), iface.originalHeight(), iface.originalSixteenBit(),
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iface.originalHasAlpha(), data);
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delete [] data;
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m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
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new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true));
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}
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void ImageEffect_AntiVignetting::putPreviewData(void)
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{
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Digikam::ImageIface* iface = m_imagePreviewWidget->imageIface();
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Digikam::DImg imDest = m_threadedFilter->getTargetImage();
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// Adjust Image BCG.
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double b = (double)(m_brightnessInput->value() / 100.0);
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double c = (double)(m_contrastInput->value() / 100.0) + (double)(1.00);
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double g = m_gammaInput->value();
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Digikam::BCGModifier cmod;
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cmod.setGamma(g);
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cmod.setBrightness(b);
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cmod.setContrast(c);
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cmod.applyBCG(imDest);
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iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(),
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iface->previewHeight())).bits());
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m_imagePreviewWidget->updatePreview();
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}
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void ImageEffect_AntiVignetting::putFinalData(void)
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{
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Digikam::ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Vignetting Correction"),
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m_threadedFilter->getTargetImage().bits());
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double b = (double)(m_brightnessInput->value() / 100.0);
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double c = (double)(m_contrastInput->value() / 100.0) + (double)(1.00);
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double g = m_gammaInput->value();
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// Adjust Image BCG.
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iface.setOriginalBCG(b, c, g);
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}
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} // NameSpace DigikamAntiVignettingImagesPlugin
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