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379 lines
14 KiB
379 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 <kseparator.h>
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// LibKDcraw includes.
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#include <libkdcraw/rnuminput.h>
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// Local includes.
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#include "daboutdata.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 "editortoolsettings.h"
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#include "dimgimagefilters.h"
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#include "antivignetting.h"
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#include "antivignettingtool.h"
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#include "antivignettingtool.moc"
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using namespace KDcrawIface;
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using namespace Digikam;
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namespace DigikamAntiVignettingImagesPlugin
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{
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AntiVignettingTool::AntiVignettingTool(TQObject* parent)
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: EditorToolThreaded(parent)
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{
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setName("antivignettings");
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setToolName(i18n("Vignetting Correction"));
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setToolIcon(SmallIcon("antivignetting"));
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m_previewWidget = new ImageWidget("antivignetting Tool", 0, TQString(),
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false, ImageGuideWidget::HVGuideMode, false);
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setToolView(m_previewWidget);
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// -------------------------------------------------------------
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m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
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EditorToolSettings::Ok|
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EditorToolSettings::Cancel);
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TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 14, 2);
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m_maskPreviewLabel = new TQLabel( m_gboxSettings->plainPage() );
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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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// -------------------------------------------------------------
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TQLabel *label1 = new TQLabel(i18n("Density:"), m_gboxSettings->plainPage());
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m_densityInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_densityInput->setPrecision(1);
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m_densityInput->setRange(1.0, 20.0, 0.1);
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m_densityInput->setDefaultValue(2.0);
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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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// -------------------------------------------------------------
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TQLabel *label2 = new TQLabel(i18n("Power:"), m_gboxSettings->plainPage());
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m_powerInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_powerInput->setPrecision(1);
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m_powerInput->setRange(0.1, 2.0, 0.1);
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m_powerInput->setDefaultValue(1.0);
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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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// -------------------------------------------------------------
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TQLabel *label3 = new TQLabel(i18n("Radius:"), m_gboxSettings->plainPage());
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m_radiusInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_radiusInput->setPrecision(1);
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m_radiusInput->setRange(-100.0, 100.0, 0.1);
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m_radiusInput->setDefaultValue(1.0);
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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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KSeparator *line = new KSeparator(Horizontal, m_gboxSettings->plainPage());
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// -------------------------------------------------------------
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TQLabel *label4 = new TQLabel(i18n("Brightness:"), m_gboxSettings->plainPage());
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m_brightnessInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_brightnessInput->setRange(0, 100, 1);
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m_brightnessInput->setDefaultValue(0);
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TQWhatsThis::add( m_brightnessInput, i18n("<p>Set here the brightness re-adjustment of the target image."));
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// -------------------------------------------------------------
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TQLabel *label5 = new TQLabel(i18n("Contrast:"), m_gboxSettings->plainPage());
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m_contrastInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_contrastInput->setRange(0, 100, 1);
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m_contrastInput->setDefaultValue(0);
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TQWhatsThis::add( m_contrastInput, i18n("<p>Set here the contrast re-adjustment of the target image."));
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// -------------------------------------------------------------
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TQLabel *label6 = new TQLabel(i18n("Gamma:"), m_gboxSettings->plainPage());
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m_gammaInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_gammaInput->setPrecision(2);
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m_gammaInput->setRange(0.1, 3.0, 0.01);
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m_gammaInput->setDefaultValue(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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grid->addMultiCellWidget(m_maskPreviewLabel, 0, 0, 0, 2);
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grid->addMultiCellWidget(label1, 1, 1, 0, 2);
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grid->addMultiCellWidget(m_densityInput, 2, 2, 0, 2);
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grid->addMultiCellWidget(label2, 3, 3, 0, 2);
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grid->addMultiCellWidget(m_powerInput, 4, 4, 0, 2);
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grid->addMultiCellWidget(label3, 5, 5, 0, 2);
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grid->addMultiCellWidget(m_radiusInput, 6, 6, 0, 2);
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grid->addMultiCellWidget(line, 7, 7, 0, 2);
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grid->addMultiCellWidget(label4, 8, 8, 0, 2);
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grid->addMultiCellWidget(m_brightnessInput, 9, 9, 0, 2);
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grid->addMultiCellWidget(label5, 10, 10, 0, 2);
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grid->addMultiCellWidget(m_contrastInput, 11, 11, 0, 2);
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grid->addMultiCellWidget(label6, 12, 12, 0, 2);
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grid->addMultiCellWidget(m_gammaInput, 13, 13, 0, 2);
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grid->setRowStretch(14, 10);
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grid->setMargin(m_gboxSettings->spacingHint());
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grid->setSpacing(m_gboxSettings->spacingHint());
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setToolSettings(m_gboxSettings);
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init();
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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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AntiVignettingTool::~AntiVignettingTool()
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{
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}
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void AntiVignettingTool::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 AntiVignettingTool::readSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("antivignettings Tool");
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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", m_densityInput->defaultValue()));
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m_powerInput->setValue(config->readDoubleNumEntry("PowerAjustment", m_powerInput->defaultValue()));
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m_radiusInput->setValue(config->readDoubleNumEntry("RadiusAjustment", m_radiusInput->defaultValue()));
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m_brightnessInput->setValue(config->readNumEntry("BrightnessAjustment", m_brightnessInput->defaultValue()));
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m_contrastInput->setValue(config->readNumEntry("ContrastAjustment", m_contrastInput->defaultValue()));
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m_gammaInput->setValue(config->readDoubleNumEntry("GammaAjustment", m_gammaInput->defaultValue()));
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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 AntiVignettingTool::writeSettings()
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{
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TDEConfig* config = kapp->config();
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config->setGroup("antivignettings Tool");
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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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m_previewWidget->writeSettings();
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config->sync();
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}
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void AntiVignettingTool::slotResetSettings()
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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->slotReset();
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m_powerInput->slotReset();
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m_radiusInput->slotReset();
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m_brightnessInput->slotReset();
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m_contrastInput->slotReset();
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m_gammaInput->slotReset();
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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 AntiVignettingTool::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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ImageIface* iface = m_previewWidget->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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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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DImg orgImage(orgWidth, orgHeight, iface->originalSixteenBit(),
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iface->originalHasAlpha(), data);
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delete [] data;
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setFilter(dynamic_cast<DImgThreadedFilter*>(new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true)));
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}
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void AntiVignettingTool::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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ImageIface iface(0, 0);
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uchar *data = iface.getOriginalImage();
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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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setFilter(dynamic_cast<DImgThreadedFilter*>(new AntiVignetting(&orgImage, this, d, p, r, 0, 0, true)));
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}
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void AntiVignettingTool::putPreviewData(void)
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{
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ImageIface* iface = m_previewWidget->imageIface();
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DImg imDest = filter()->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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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_previewWidget->updatePreview();
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}
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void AntiVignettingTool::putFinalData(void)
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{
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ImageIface iface(0, 0);
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iface.putOriginalImage(i18n("Vignetting Correction"),
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filter()->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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