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kipi-plugins/kipi-plugins/metadataedit/exifadjust.cpp

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/* ============================================================
*
* This file is a part of kipi-plugins project
* http://www.kipi-plugins.org
*
* Date : 2006-10-18
* Description : EXIF adjustments settings page.
*
* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
// C++ includes.
#include <cmath>
// QT includes.
#include <qlayout.h>
#include <qlabel.h>
#include <qwhatsthis.h>
#include <qcombobox.h>
// KDE includes.
#include <klocale.h>
#include <kdialog.h>
#include <knuminput.h>
// LibKExiv2 includes.
#include <libkexiv2/kexiv2.h>
// Local includes.
#include "metadatacheckbox.h"
#include "exifadjust.h"
#include "exifadjust.moc"
namespace KIPIMetadataEditPlugin
{
class EXIFAdjustPriv
{
public:
EXIFAdjustPriv()
{
brightnessCheck = 0;
gainControlCheck = 0;
contrastCheck = 0;
saturationCheck = 0;
sharpnessCheck = 0;
customRenderedCheck = 0;
brightnessEdit = 0;
gainControlCB = 0;
contrastCB = 0;
saturationCB = 0;
sharpnessCB = 0;
customRenderedCB = 0;
}
QCheckBox *brightnessCheck;
QComboBox *gainControlCB;
QComboBox *contrastCB;
QComboBox *saturationCB;
QComboBox *sharpnessCB;
QComboBox *customRenderedCB;
KDoubleSpinBox *brightnessEdit;
MetadataCheckBox *gainControlCheck;
MetadataCheckBox *contrastCheck;
MetadataCheckBox *saturationCheck;
MetadataCheckBox *sharpnessCheck;
MetadataCheckBox *customRenderedCheck;
};
EXIFAdjust::EXIFAdjust(QWidget* parent)
: QWidget(parent)
{
d = new EXIFAdjustPriv;
QGridLayout* grid = new QGridLayout(parent, 6, 2, KDialog::spacingHint());
// --------------------------------------------------------
d->brightnessCheck = new QCheckBox(i18n("Brightness (APEX):"), parent);
d->brightnessEdit = new KDoubleSpinBox(-99.99, 99.99, 0.1, 0.0, 2, parent);
grid->addMultiCellWidget(d->brightnessCheck, 0, 0, 0, 0);
grid->addMultiCellWidget(d->brightnessEdit, 0, 0, 2, 2);
QWhatsThis::add(d->brightnessEdit, i18n("<p>Set here the brightness adjustment value in APEX unit "
"used by camera to take the picture."));
// --------------------------------------------------------
d->gainControlCheck = new MetadataCheckBox(i18n("Gain Control:"), parent);
d->gainControlCB = new QComboBox(false, parent);
d->gainControlCB->insertItem(i18n("None"), 0);
d->gainControlCB->insertItem(i18n("Low gain up"), 1);
d->gainControlCB->insertItem(i18n("High gain up"), 2);
d->gainControlCB->insertItem(i18n("Low gain down"), 3);
d->gainControlCB->insertItem(i18n("High gain down"), 4);
grid->addMultiCellWidget(d->gainControlCheck, 1, 1, 0, 0);
grid->addMultiCellWidget(d->gainControlCB, 1, 1, 2, 2);
QWhatsThis::add(d->gainControlCB, i18n("<p>Set here the degree of overall image gain adjustment "
"used by camera to take the picture."));
// --------------------------------------------------------
d->contrastCheck = new MetadataCheckBox(i18n("Contrast:"), parent);
d->contrastCB = new QComboBox(false, parent);
d->contrastCB->insertItem(i18n("Normal"), 0);
d->contrastCB->insertItem(i18n("Soft"), 1);
d->contrastCB->insertItem(i18n("Hard"), 2);
grid->addMultiCellWidget(d->contrastCheck, 2, 2, 0, 0);
grid->addMultiCellWidget(d->contrastCB, 2, 2, 2, 2);
QWhatsThis::add(d->contrastCB, i18n("<p>Set here the direction of contrast processing "
"applied by the camera to take the picture."));
// --------------------------------------------------------
d->saturationCheck = new MetadataCheckBox(i18n("Saturation:"), parent);
d->saturationCB = new QComboBox(false, parent);
d->saturationCB->insertItem(i18n("Normal"), 0);
d->saturationCB->insertItem(i18n("Low"), 1);
d->saturationCB->insertItem(i18n("High"), 2);
grid->addMultiCellWidget(d->saturationCheck, 3, 3, 0, 0);
grid->addMultiCellWidget(d->saturationCB, 3, 3, 2, 2);
QWhatsThis::add(d->saturationCB, i18n("<p>Set here the direction of saturation processing "
"applied by the camera to take the picture."));
// --------------------------------------------------------
d->sharpnessCheck = new MetadataCheckBox(i18n("Sharpness:"), parent);
d->sharpnessCB = new QComboBox(false, parent);
d->sharpnessCB->insertItem(i18n("Normal"), 0);
d->sharpnessCB->insertItem(i18n("Soft"), 1);
d->sharpnessCB->insertItem(i18n("Hard"), 2);
grid->addMultiCellWidget(d->sharpnessCheck, 4, 4, 0, 0);
grid->addMultiCellWidget(d->sharpnessCB, 4, 4, 2, 2);
QWhatsThis::add(d->sharpnessCB, i18n("<p>Set here the direction of sharpness processing "
"applied by the camera to take the picture."));
// --------------------------------------------------------
d->customRenderedCheck = new MetadataCheckBox(i18n("Custom rendered:"), parent);
d->customRenderedCB = new QComboBox(false, parent);
d->customRenderedCB->insertItem(i18n("Normal process"), 0);
d->customRenderedCB->insertItem(i18n("Custom process"), 1);
grid->addMultiCellWidget(d->customRenderedCheck, 5, 5, 0, 0);
grid->addMultiCellWidget(d->customRenderedCB, 5, 5, 2, 2);
QWhatsThis::add(d->customRenderedCB, i18n("<p>Set here the use of special processing on "
"image data, such as rendering geared to output."));
grid->setColStretch(1, 10);
grid->setRowStretch(6, 10);
// --------------------------------------------------------
connect(d->brightnessCheck, SIGNAL(toggled(bool)),
d->brightnessEdit, SLOT(setEnabled(bool)));
connect(d->gainControlCheck, SIGNAL(toggled(bool)),
d->gainControlCB, SLOT(setEnabled(bool)));
connect(d->contrastCheck, SIGNAL(toggled(bool)),
d->contrastCB, SLOT(setEnabled(bool)));
connect(d->saturationCheck, SIGNAL(toggled(bool)),
d->saturationCB, SLOT(setEnabled(bool)));
connect(d->sharpnessCheck, SIGNAL(toggled(bool)),
d->sharpnessCB, SLOT(setEnabled(bool)));
connect(d->customRenderedCheck, SIGNAL(toggled(bool)),
d->customRenderedCB, SLOT(setEnabled(bool)));
// --------------------------------------------------------
connect(d->brightnessCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
connect(d->gainControlCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
connect(d->contrastCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
connect(d->saturationCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
connect(d->sharpnessCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
connect(d->customRenderedCheck, SIGNAL(toggled(bool)),
this, SIGNAL(signalModified()));
// --------------------------------------------------------
connect(d->gainControlCB, SIGNAL(activated(int)),
this, SIGNAL(signalModified()));
connect(d->contrastCB, SIGNAL(activated(int)),
this, SIGNAL(signalModified()));
connect(d->saturationCB, SIGNAL(activated(int)),
this, SIGNAL(signalModified()));
connect(d->sharpnessCB, SIGNAL(activated(int)),
this, SIGNAL(signalModified()));
connect(d->customRenderedCB, SIGNAL(activated(int)),
this, SIGNAL(signalModified()));
connect(d->brightnessEdit, SIGNAL(valueChanged(double)),
this, SIGNAL(signalModified()));
}
EXIFAdjust::~EXIFAdjust()
{
delete d;
}
void EXIFAdjust::readMetadata(QByteArray& exifData)
{
blockSignals(true);
KExiv2Iface::KExiv2 exiv2Iface;
exiv2Iface.setExif(exifData);
long int num=1, den=1;
long val=0;
d->brightnessEdit->setValue(0.0);
d->brightnessCheck->setChecked(false);
if (exiv2Iface.getExifTagRational("Exif.Photo.BrightnessValue", num, den))
{
d->brightnessEdit->setValue((double)(num) / (double)(den));
d->brightnessCheck->setChecked(true);
}
d->brightnessEdit->setEnabled(d->brightnessCheck->isChecked());
d->gainControlCB->setCurrentItem(0);
d->gainControlCheck->setChecked(false);
if (exiv2Iface.getExifTagLong("Exif.Photo.GainControl", val))
{
if (val >= 0 && val <= 4)
{
d->gainControlCB->setCurrentItem(val);
d->gainControlCheck->setChecked(true);
}
else
d->gainControlCheck->setValid(false);
}
d->gainControlCB->setEnabled(d->gainControlCheck->isChecked());
d->contrastCB->setCurrentItem(0);
d->contrastCheck->setChecked(false);
if (exiv2Iface.getExifTagLong("Exif.Photo.Contrast", val))
{
if (val >= 0 && val <= 2)
{
d->contrastCB->setCurrentItem(val);
d->contrastCheck->setChecked(true);
}
else
d->contrastCheck->setValid(false);
}
d->contrastCB->setEnabled(d->contrastCheck->isChecked());
d->saturationCB->setCurrentItem(0);
d->saturationCheck->setChecked(false);
if (exiv2Iface.getExifTagLong("Exif.Photo.Saturation", val))
{
if (val >= 0 && val <= 2)
{
d->saturationCB->setCurrentItem(val);
d->saturationCheck->setChecked(true);
}
else
d->saturationCheck->setValid(false);
}
d->saturationCB->setEnabled(d->saturationCheck->isChecked());
d->sharpnessCB->setCurrentItem(0);
d->sharpnessCheck->setChecked(false);
if (exiv2Iface.getExifTagLong("Exif.Photo.Sharpness", val))
{
if (val >= 0 && val <= 2)
{
d->sharpnessCB->setCurrentItem(val);
d->sharpnessCheck->setChecked(true);
}
else
d->sharpnessCheck->setValid(false);
}
d->sharpnessCB->setEnabled(d->sharpnessCheck->isChecked());
d->customRenderedCB->setCurrentItem(0);
d->customRenderedCheck->setChecked(false);
if (exiv2Iface.getExifTagLong("Exif.Photo.CustomRendered", val))
{
if (val >= 0 && val <= 1)
{
d->customRenderedCB->setCurrentItem(val);
d->customRenderedCheck->setChecked(true);
}
else
d->customRenderedCheck->setValid(false);
}
d->customRenderedCB->setEnabled(d->customRenderedCheck->isChecked());
blockSignals(false);
}
void EXIFAdjust::applyMetadata(QByteArray& exifData)
{
KExiv2Iface::KExiv2 exiv2Iface;
exiv2Iface.setExif(exifData);
long int num=1, den=1;
if (d->brightnessCheck->isChecked())
{
exiv2Iface.convertToRational(d->brightnessEdit->value(), &num, &den, 1);
exiv2Iface.setExifTagRational("Exif.Photo.BrightnessValue", num, den);
}
else
exiv2Iface.removeExifTag("Exif.Photo.BrightnessValue");
if (d->gainControlCheck->isChecked())
exiv2Iface.setExifTagLong("Exif.Photo.GainControl", d->gainControlCB->currentItem());
else if (d->gainControlCheck->isValid())
exiv2Iface.removeExifTag("Exif.Photo.GainControl");
if (d->contrastCheck->isChecked())
exiv2Iface.setExifTagLong("Exif.Photo.Contrast", d->contrastCB->currentItem());
else if (d->contrastCheck->isValid())
exiv2Iface.removeExifTag("Exif.Photo.Contrast");
if (d->saturationCheck->isChecked())
exiv2Iface.setExifTagLong("Exif.Photo.Saturation", d->saturationCB->currentItem());
else if (d->saturationCheck->isValid())
exiv2Iface.removeExifTag("Exif.Photo.Saturation");
if (d->sharpnessCheck->isChecked())
exiv2Iface.setExifTagLong("Exif.Photo.Sharpness", d->sharpnessCB->currentItem());
else if (d->sharpnessCheck->isValid())
exiv2Iface.removeExifTag("Exif.Photo.Sharpness");
if (d->customRenderedCheck->isChecked())
exiv2Iface.setExifTagLong("Exif.Photo.CustomRendered", d->customRenderedCB->currentItem());
else if (d->customRenderedCheck->isValid())
exiv2Iface.removeExifTag("Exif.Photo.CustomRendered");
exifData = exiv2Iface.getExif();
}
} // namespace KIPIMetadataEditPlugin