/* ============================================================
 *
 * This file is a part of digiKam project
 * http://www.digikam.org
 *
 * Date        : 2007-02-06
 * Description : setup RAW decoding settings.
 *
 * Copyright (C) 2007-2008 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.
 *
 * ============================================================ */

// TQt includes.

#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcolor.h>
#include <tqhbox.h>
#include <tqvgroupbox.h>
#include <tqlabel.h>
#include <tqwhatsthis.h>
#include <tqcheckbox.h>
#include <tqcombobox.h>

// KDE includes.

#include <klocale.h>
#include <kiconloader.h>
#include <kdialog.h>
#include <kconfig.h>
#include <kapplication.h>

// LibKDcraw includes.

#include <libkdcraw/version.h>
#include <libkdcraw/dcrawsettingswidget.h>

// Local includes.

#include "drawdecoding.h"
#include "setupdcraw.h"
#include "setupdcraw.moc"

using namespace KDcrawIface;

namespace Digikam
{

class SetupDcrawPriv
{
public:


    SetupDcrawPriv()
    {
        dcrawSettings = 0;
    }

    KDcrawIface::DcrawSettingsWidget *dcrawSettings;
};

SetupDcraw::SetupDcraw(TQWidget* parent )
          : TQWidget(parent)
{
    d = new SetupDcrawPriv;
    TQVBoxLayout *layout = new TQVBoxLayout(parent, 0, KDialog::spacingHint());
    d->dcrawSettings    = new DcrawSettingsWidget(parent, DcrawSettingsWidget::SIXTEENBITS);
    d->dcrawSettings->setItemIconSet(0, SmallIconSet("kdcraw"));
    d->dcrawSettings->setItemIconSet(1, SmallIconSet("whitebalance"));
    d->dcrawSettings->setItemIconSet(2, SmallIconSet("lensdistortion"));
    layout->addWidget(d->dcrawSettings);
    layout->addStretch();

    connect(d->dcrawSettings, TQT_SIGNAL(signalSixteenBitsImageToggled(bool)),
            this, TQT_SLOT(slotSixteenBitsImageToggled(bool)));

    readSettings();
}

SetupDcraw::~SetupDcraw()
{
    delete d;
}

void SetupDcraw::slotSixteenBitsImageToggled(bool)
{
    // Dcraw do not provide a way to set brigness of image in 16 bits color depth.
    // We always set on this option. We drive brightness adjustment in digiKam Raw image loader.
    d->dcrawSettings->setEnabledBrightnessSettings(true);
}

void SetupDcraw::applySettings()
{
    KConfig* config = kapp->config();
    config->setGroup("ImageViewer Settings");
    config->writeEntry("SixteenBitsImage",        d->dcrawSettings->sixteenBits());
    config->writeEntry("WhiteBalance",            d->dcrawSettings->whiteBalance());
    config->writeEntry("CustomWhiteBalance",      d->dcrawSettings->customWhiteBalance());
    config->writeEntry("CustomWhiteBalanceGreen", d->dcrawSettings->customWhiteBalanceGreen());
    config->writeEntry("RGBInterpolate4Colors",   d->dcrawSettings->useFourColor());
    config->writeEntry("DontStretchPixels",       d->dcrawSettings->useDontStretchPixels());
    config->writeEntry("EnableNoiseReduction",    d->dcrawSettings->useNoiseReduction());
    config->writeEntry("NRThreshold",             d->dcrawSettings->NRThreshold());
    config->writeEntry("EnableCACorrection",      d->dcrawSettings->useCACorrection());
    config->writeEntry("caRedMultiplier",         d->dcrawSettings->caRedMultiplier());
    config->writeEntry("caBlueMultiplier",        d->dcrawSettings->caBlueMultiplier());
    config->writeEntry("UnclipColors",            d->dcrawSettings->unclipColor());
    config->writeEntry("RAWBrightness",           d->dcrawSettings->brightness());
    config->writeEntry("RAWQuality",              d->dcrawSettings->quality());
    config->writeEntry("MedianFilterPasses",      d->dcrawSettings->medianFilterPasses());
    config->sync();
}

void SetupDcraw::readSettings()
{
    KConfig* config = kapp->config();
    config->setGroup("ImageViewer Settings");
    d->dcrawSettings->setSixteenBits(config->readBoolEntry("SixteenBitsImage", false));
    d->dcrawSettings->setNoiseReduction(config->readBoolEntry("EnableNoiseReduction", false));
    d->dcrawSettings->setNRThreshold(config->readNumEntry("NRThreshold", 100));
    d->dcrawSettings->setUseCACorrection(config->readBoolEntry("EnableCACorrection", false));
    d->dcrawSettings->setcaRedMultiplier(config->readDoubleNumEntry("caRedMultiplier", 1.0));
    d->dcrawSettings->setcaBlueMultiplier(config->readDoubleNumEntry("caBlueMultiplier", 1.0));
    d->dcrawSettings->setDontStretchPixels(config->readBoolEntry("DontStretchPixels", false));
    d->dcrawSettings->setUnclipColor(config->readNumEntry("UnclipColors", 0));
    d->dcrawSettings->setWhiteBalance((DRawDecoding::WhiteBalance)
                                      config->readNumEntry("WhiteBalance",
                                      DRawDecoding::CAMERA));
    d->dcrawSettings->setCustomWhiteBalance(config->readNumEntry("CustomWhiteBalance", 6500));
    d->dcrawSettings->setCustomWhiteBalanceGreen(config->readDoubleNumEntry("CustomWhiteBalanceGreen", 1.0));
    d->dcrawSettings->setFourColor(config->readBoolEntry("RGBInterpolate4Colors", false));
    d->dcrawSettings->setQuality((DRawDecoding::DecodingQuality)
                                  config->readNumEntry("RAWQuality",
                                  DRawDecoding::BILINEAR));
    d->dcrawSettings->setBrightness(config->readDoubleNumEntry("RAWBrightness", 1.0));
    d->dcrawSettings->setMedianFilterPasses(config->readNumEntry("MedianFilterPasses", 0));
}

}  // namespace Digikam
