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digikam/digikam/imageplugins/infrared/imageeffect_infrared.cpp

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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-02-22
* Description : a digiKam image editor plugin for simulate
* infrared film.
*
* Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2008 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
// Qt includes.
#include <qimage.h>
#include <qlabel.h>
#include <qwhatsthis.h>
#include <qlcdnumber.h>
#include <qslider.h>
#include <qlayout.h>
#include <qdatetime.h>
#include <qcheckbox.h>
// KDE includes.
#include <klocale.h>
#include <kaboutdata.h>
#include <kiconloader.h>
#include <kapplication.h>
#include <kstandarddirs.h>
#include <kconfig.h>
// Local includes.
#include "version.h"
#include "ddebug.h"
#include "dimg.h"
#include "imageiface.h"
#include "imagewidget.h"
#include "infrared.h"
#include "imageeffect_infrared.h"
#include "imageeffect_infrared.moc"
namespace DigikamInfraredImagesPlugin
{
ImageEffect_Infrared::ImageEffect_Infrared(QWidget* parent)
: Digikam::CtrlPanelDlg(parent, i18n("Simulate Infrared Film to Photograph"),
"infrared", false, false, true,
Digikam::ImagePannelWidget::SeparateViewAll)
{
QString whatsThis;
KAboutData* about = new KAboutData("digikam",
I18N_NOOP("Infrared Film"),
digikam_version,
I18N_NOOP("A digiKam image plugin to simulate infrared film."),
KAboutData::License_GPL,
"(c) 2005, Gilles Caulier\n"
"(c) 2006-2008, Gilles Caulier and Marcel Wiesweg",
0,
"http://www.digikam.org");
about->addAuthor("Gilles Caulier", I18N_NOOP("Author and maintainer"),
"caulier dot gilles at gmail dot com");
about->addAuthor("Marcel Wiesweg", I18N_NOOP("Developer"),
"marcel dot wiesweg at gmx dot de");
setAboutData(about);
// -------------------------------------------------------------
QWidget *gboxSettings = new QWidget(m_imagePreviewWidget);
QGridLayout* gridSettings = new QGridLayout( gboxSettings, 2, 1, 0, spacingHint());
QLabel *label1 = new QLabel(i18n("Sensitivity (ISO):"), gboxSettings);
m_sensibilitySlider = new QSlider(1, 25, 1, 1, Qt::Horizontal, gboxSettings);
m_sensibilitySlider->setTracking ( false );
m_sensibilitySlider->setTickInterval(1);
m_sensibilitySlider->setTickmarks(QSlider::Below);
m_sensibilityLCDValue = new QLCDNumber (4, gboxSettings);
m_sensibilityLCDValue->setSegmentStyle ( QLCDNumber::Flat );
m_sensibilityLCDValue->display( QString::number(200) );
whatsThis = i18n("<p>Set here the ISO-sensitivity of the simulated infrared film. "
"Increasing this value will increase the proportion of green color in the mix. "
"It will also increase the halo effect on the hightlights, and the film "
"graininess (if that box is checked).</p>"
"<p>Note: to simulate an <b>Ilford SFX200</b> infrared film, use a sensitivity excursion of 200 to 800. "
"A sensitivity over 800 simulates <b>Kodak HIE</b> high-speed infrared film. This last one creates a more "
"dramatic photographic style.</p>");
QWhatsThis::add( m_sensibilityLCDValue, whatsThis);
QWhatsThis::add( m_sensibilitySlider, whatsThis);
gridSettings->addMultiCellWidget(label1, 0, 0, 0, 1);
gridSettings->addMultiCellWidget(m_sensibilitySlider, 1, 1, 0, 0);
gridSettings->addMultiCellWidget(m_sensibilityLCDValue, 1, 1, 1, 1);
// -------------------------------------------------------------
m_addFilmGrain = new QCheckBox( i18n("Add film grain"), gboxSettings);
m_addFilmGrain->setChecked( true );
QWhatsThis::add( m_addFilmGrain, i18n("<p>This option adds infrared film grain to "
"the image depending on ISO-sensitivity."));
gridSettings->addMultiCellWidget(m_addFilmGrain, 2, 2, 0, 1);
m_imagePreviewWidget->setUserAreaWidget(gboxSettings);
// -------------------------------------------------------------
connect( m_sensibilitySlider, SIGNAL(valueChanged(int)),
this, SLOT(slotTimer()) );
// this connection is necessary to change the LCD display when
// the value is changed by single clicking on the slider
connect( m_sensibilitySlider, SIGNAL(valueChanged(int)),
this, SLOT(slotSliderMoved(int)) );
connect( m_sensibilitySlider, SIGNAL(sliderMoved(int)),
this, SLOT(slotSliderMoved(int)) );
connect( m_addFilmGrain, SIGNAL(toggled (bool)),
this, SLOT(slotEffect()) );
}
ImageEffect_Infrared::~ImageEffect_Infrared()
{
}
void ImageEffect_Infrared::renderingFinished()
{
m_sensibilitySlider->setEnabled(true);
m_addFilmGrain->setEnabled(true);
}
void ImageEffect_Infrared::readUserSettings()
{
KConfig* config = kapp->config();
config->setGroup("infrared Tool Dialog");
m_sensibilitySlider->blockSignals(true);
m_addFilmGrain->blockSignals(true);
m_sensibilitySlider->setValue(config->readNumEntry("SensitivityAjustment", 1));
m_addFilmGrain->setChecked(config->readBoolEntry("AddFilmGrain", false));
m_sensibilitySlider->blockSignals(false);
m_addFilmGrain->blockSignals(false);
slotSliderMoved(m_sensibilitySlider->value());
}
void ImageEffect_Infrared::writeUserSettings()
{
KConfig* config = kapp->config();
config->setGroup("infrared Tool Dialog");
config->writeEntry("SensitivityAjustment", m_sensibilitySlider->value());
config->writeEntry("AddFilmGrain", m_addFilmGrain->isChecked());
config->sync();
}
void ImageEffect_Infrared::resetValues()
{
m_sensibilitySlider->blockSignals(true);
m_addFilmGrain->blockSignals(true);
m_sensibilitySlider->setValue(1);
m_addFilmGrain->setChecked(false);
m_sensibilitySlider->blockSignals(false);
m_addFilmGrain->blockSignals(false);
}
void ImageEffect_Infrared::slotSliderMoved(int v)
{
m_sensibilityLCDValue->display( QString::number(100 + 100 * v) );
}
void ImageEffect_Infrared::prepareEffect()
{
m_addFilmGrain->setEnabled(false);
m_sensibilitySlider->setEnabled(false);
Digikam::DImg image = m_imagePreviewWidget->getOriginalRegionImage();
int s = 100 + 100 * m_sensibilitySlider->value();
bool g = m_addFilmGrain->isChecked();
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
new Infrared(&image, this, s, g));
}
void ImageEffect_Infrared::prepareFinal()
{
m_addFilmGrain->setEnabled(false);
m_sensibilitySlider->setEnabled(false);
int s = 100 + 100 * m_sensibilitySlider->value();
bool g = m_addFilmGrain->isChecked();
Digikam::ImageIface iface(0, 0);
m_threadedFilter = dynamic_cast<Digikam::DImgThreadedFilter *>(
new Infrared(iface.getOriginalImg(), this, s, g));
}
void ImageEffect_Infrared::putPreviewData(void)
{
m_imagePreviewWidget->setPreviewImage(m_threadedFilter->getTargetImage());
}
void ImageEffect_Infrared::putFinalData(void)
{
Digikam::ImageIface iface(0, 0);
iface.putOriginalImage(i18n("Infrared"), m_threadedFilter->getTargetImage().bits());
}
} // NameSpace DigikamInfraredImagesPlugin