示例#1
0
bool KDcraw::loadFullImage(QImage& image, const QString& path, const RawDecodingSettings& settings)
{
    QFileInfo fileInfo(path);
    QString   rawFilesExt(rawFiles());
    QString   ext = fileInfo.suffix().toUpper();

    if (!fileInfo.exists() || ext.isEmpty() || !rawFilesExt.toUpper().contains(ext))
        return false;

    qCDebug(LIBKDCRAW_LOG) << "Try to load full RAW picture...";

    RawDecodingSettings prm = settings;
    prm.sixteenBitsImage    = false;
    QByteArray imgData;
    int width, height, rgbmax;

    KDcraw decoder;
    bool ret = decoder.decodeRAWImage(path, prm, imgData, width, height, rgbmax);

    if (!ret)
    {
        qCDebug(LIBKDCRAW_LOG) << "Failled to load full RAW picture";
        return false;
    }

    uchar* sptr  = (uchar*)imgData.data();
    uchar tmp8[2];

    // Set RGB color components.
    for (int i = 0 ; i < width * height ; ++i)
    {
        // Swap Red and Blue
        tmp8[0] = sptr[2];
        tmp8[1] = sptr[0];
        sptr[0] = tmp8[0];
        sptr[2] = tmp8[1];

        sptr += 3;
    }

    image      = QImage(width, height, QImage::Format_ARGB32);
    uint* dptr = reinterpret_cast<uint*>(image.bits());
    sptr       = (uchar*)imgData.data();

    for (int i = 0 ; i < width * height ; ++i)
    {
        *dptr++ = qRgba(sptr[2], sptr[1], sptr[0], 0xFF);
        sptr += 3;
    }

    qCDebug(LIBKDCRAW_LOG) << "Load full RAW picture done";

    return true;
}
示例#2
0
int main(int argc, char** argv)
{
    if(argc != 2)
    {
        qDebug() << "raw2png - RAW Camera Image to PNG Converter";
        qDebug() << "Usage: <rawfile>";
        return -1;
    }

    QString            filePath(argv[1]);
    QFileInfo          input(filePath);
    QString            previewFilePath(input.baseName() + QString(".preview.png"));
    QFileInfo          previewOutput(previewFilePath);
    QString            halfFilePath(input.baseName() + QString(".half.png"));
    QFileInfo          halfOutput(halfFilePath);
    QString            fullFilePath(input.baseName() + QString(".full.png"));
    QFileInfo          fullOutput(fullFilePath);
    QImage             image;
    DcrawInfoContainer identify;

    // -----------------------------------------------------------

    qDebug() << "raw2png: Identify RAW image from " << input.fileName();

    KDcraw rawProcessor;
    if (!rawProcessor.rawFileIdentify(identify, filePath))
    {
        qDebug() << "raw2png: Idendify RAW image failed. Aborted...";
        return -1;
    }

    int width  = identify.imageSize.width();
    int height = identify.imageSize.height();

    qDebug() << "raw2png: Raw image info:";
    qDebug() << "--- Date:      " << identify.dateTime.toString(Qt::ISODate);
    qDebug() << "--- Make:      " << identify.make;
    qDebug() << "--- Model:     " << identify.model;
    qDebug() << "--- Size:      " << width << "x" << height;
    qDebug() << "--- Filter:    " << identify.filterPattern;
    qDebug() << "--- Colors:    " << identify.rawColors;

    // -----------------------------------------------------------

    qDebug() << "raw2png: Loading RAW image preview";

    if (!rawProcessor.loadRawPreview(image, filePath))
    {
        qDebug() << "raw2png: Loading RAW image preview failed. Aborted...";
        return -1;
    }

    qDebug() << "raw2png: Saving preview image to "
             << previewOutput.fileName() << " size ("
             << image.width() << "x" << image.height()
             << ")";
    image.save(previewFilePath, "PNG");

    // -----------------------------------------------------------

    qDebug() << "raw2png: Loading half RAW image";

    image = QImage();
    if (!rawProcessor.loadHalfPreview(image, filePath))
    {
        qDebug() << "raw2png: Loading half RAW image failed. Aborted...";
        return -1;
    }

    qDebug() << "raw2png: Saving half image to "
             << halfOutput.fileName() << " size ("
             << image.width() << "x" << image.height()
             << ")";
    image.save(halfFilePath, "PNG");

    // -----------------------------------------------------------

    qDebug() << "raw2png: Loading full RAW image";

    image = QImage();
    RawDecodingSettings settings;
    settings.halfSizeColorImage    = false;
    settings.sixteenBitsImage      = false;
    settings.RGBInterpolate4Colors = false;
    settings.RAWQuality            = RawDecodingSettings::BILINEAR;

    if (!rawProcessor.loadFullImage(image, filePath, settings))
    {
        qDebug() << "raw2png: Loading full RAW image failed. Aborted...";
        return -1;
    }

    qDebug() << "raw2png: Saving full RAW image to "
             << fullOutput.fileName() << " size ("
             << image.width() << "x" << image.height()
             << ")";
    image.save(fullFilePath, "PNG");

    return 0;
}
void KPImageDialogPreview::showPreview(const KUrl& url)
{
    if (!url.isValid())
    {
        clearPreview();
        return;
    }

    if (url != d->currentUrl)
    {
        QString make, model, dateTime, aperture, focalLength, exposureTime, sensitivity;
        QString unavailable(i18n("<i>unavailable</i>"));
        clearPreview();
        d->currentUrl = url;
        if (d->iface)
        {
            d->iface->thumbnail(d->currentUrl, 256);
        }
        else
        {
            if ( !d->currentUrl.isValid() )
                return;

#if KDE_IS_VERSION(4,7,0)
            KFileItemList items;
            items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, d->currentUrl, true));
            KIO::PreviewJob* job = KIO::filePreview(items, QSize(256, 256));
#else
            KIO::PreviewJob* job = KIO::filePreview(d->currentUrl, 256);
#endif

            connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)),
                    this, SLOT(slotKDEPreview(KFileItem,QPixmap)));

            connect(job, SIGNAL(failed(KFileItem)),
                    this, SLOT(slotKDEPreviewFailed(KFileItem)));
        }

        // Try to use libkexiv2 to identify image.

        if (d->metaIface.load(d->currentUrl.path()) &&
            (d->metaIface.hasExif() || d->metaIface.hasXmp()))
        {
            make = d->metaIface.getExifTagString("Exif.Image.Make");
            if (make.isEmpty())
                make = d->metaIface.getXmpTagString("Xmp.tiff.Make");

            model = d->metaIface.getExifTagString("Exif.Image.Model");
            if (model.isEmpty())
                model = d->metaIface.getXmpTagString("Xmp.tiff.Model");

            if (d->metaIface.getImageDateTime().isValid())
                dateTime = KGlobal::locale()->formatDateTime(d->metaIface.getImageDateTime(),
                                                             KLocale::ShortDate, true);

            aperture = d->metaIface.getExifTagString("Exif.Photo.FNumber");
            if (aperture.isEmpty())
            {
                aperture = d->metaIface.getExifTagString("Exif.Photo.ApertureValue");
                if (aperture.isEmpty())
                {
                    aperture = d->metaIface.getXmpTagString("Xmp.exif.FNumber");
                    if (aperture.isEmpty())
                        aperture = d->metaIface.getXmpTagString("Xmp.exif.ApertureValue");
                }
            }

            focalLength = d->metaIface.getExifTagString("Exif.Photo.FocalLength");
            if (focalLength.isEmpty())
                focalLength = d->metaIface.getXmpTagString("Xmp.exif.FocalLength");

            exposureTime = d->metaIface.getExifTagString("Exif.Photo.ExposureTime");
            if (exposureTime.isEmpty())
            {
                exposureTime = d->metaIface.getExifTagString("Exif.Photo.ShutterSpeedValue");
                if (exposureTime.isEmpty())
                {
                    exposureTime = d->metaIface.getXmpTagString("Xmp.exif.ExposureTime");
                    if (exposureTime.isEmpty())
                        exposureTime = d->metaIface.getXmpTagString("Xmp.exif.ShutterSpeedValue");
                }
            }

            sensitivity = d->metaIface.getExifTagString("Exif.Photo.ISOSpeedRatings");
            if (sensitivity.isEmpty())
            {
                sensitivity = d->metaIface.getExifTagString("Exif.Photo.ExposureIndex");
                if (sensitivity.isEmpty())
                {
                    sensitivity = d->metaIface.getXmpTagString("Xmp.exif.ISOSpeedRatings");
                    if (sensitivity.isEmpty())
                        sensitivity = d->metaIface.getXmpTagString("Xmp.exif.ExposureIndex");
                }
            }
        }
        else
        {
            // Try to use libkdcraw interface to identify image.

            DcrawInfoContainer info;
            KDcraw             dcrawIface;
            dcrawIface.rawFileIdentify(info, d->currentUrl.path());
            if (info.isDecodable)
            {
                if (!info.make.isEmpty())
                    make = info.make;

                if (!info.model.isEmpty())
                    model = info.model;

                if (info.dateTime.isValid())
                    dateTime = KGlobal::locale()->formatDateTime(info.dateTime, KLocale::ShortDate, true);

                if (info.aperture != -1.0)
                    aperture = QString::number(info.aperture);

                if (info.focalLength != -1.0)
                    focalLength = QString::number(info.focalLength);

                if (info.exposureTime != -1.0)
                    exposureTime = QString::number(info.exposureTime);

                if (info.sensitivity != -1)
                    sensitivity = QString::number(info.sensitivity);
            }
            else
            {
                d->infoLabel->clear();
                return;
            }
        }

        if (make.isEmpty())         make         = unavailable;
        if (model.isEmpty())        model        = unavailable;
        if (dateTime.isEmpty())     dateTime     = unavailable;
        if (aperture.isEmpty())     aperture     = unavailable;
        if (focalLength.isEmpty())  focalLength  = unavailable;
        if (exposureTime.isEmpty()) exposureTime = unavailable;

        if (sensitivity.isEmpty()) sensitivity = unavailable;
        else sensitivity = i18n("%1 ISO", sensitivity);

        QString identify("<qt><center>");
        QString cellBeg("<tr><td><nobr><font size=-1>");
        QString cellMid("</font></nobr></td><td><nobr><font size=-1>");
        QString cellEnd("</font></nobr></td></tr>");

        identify += "<table cellspacing=0 cellpadding=0>";
        identify += cellBeg + i18n("<i>Make:</i>")        + cellMid + make         + cellEnd;
        identify += cellBeg + i18n("<i>Model:</i>")       + cellMid + model        + cellEnd;
        identify += cellBeg + i18n("<i>Created:</i>")     + cellMid + dateTime     + cellEnd;
        identify += cellBeg + i18n("<i>Aperture:</i>")    + cellMid + aperture     + cellEnd;
        identify += cellBeg + i18n("<i>Focal:</i>")       + cellMid + focalLength  + cellEnd;
        identify += cellBeg + i18n("<i>Exposure:</i>")    + cellMid + exposureTime + cellEnd;
        identify += cellBeg + i18n("<i>Sensitivity:</i>") + cellMid + sensitivity  + cellEnd;
        identify += "</table></center></qt>";

        d->infoLabel->setText(identify);
    }
}
示例#4
0
int DNGWriter::convert()
{
    d->cancel = false;

    try
    {
        if (inputFile().isEmpty())
        {
            kDebug( 51000 ) << "DNGWriter: No input file to convert. Aborted..." << endl;
            return -1;
        }

        QFileInfo inputInfo(inputFile());
        QString   dngFilePath = outputFile();

        if (dngFilePath.isEmpty())
        {
            dngFilePath = QString(inputInfo.baseName() + QString(".dng"));
        }

        QFileInfo          outputInfo(dngFilePath);
        QByteArray         rawData;
        DcrawInfoContainer identify;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: Loading RAW data from " << inputInfo.fileName() << endl;

        KDcraw rawProcessor;
        if (!rawProcessor.extractRAWData(inputFile(), rawData, identify))
        {
            kDebug( 51000 ) << "DNGWriter: Loading RAW data failed. Aborted..." << endl;
            return -1;
        }

        if (d->cancel) return -2;

        int width      = identify.imageSize.width();
        int height     = identify.imageSize.height();
        int pixelRange = 16;

        kDebug( 51000 ) << "DNGWriter: Raw data loaded:" << endl;
        kDebug( 51000 ) << "--- Data Size:     " << rawData.size() << " bytes" << endl;
        kDebug( 51000 ) << "--- Date:          " << identify.dateTime.toString(Qt::ISODate) << endl;
        kDebug( 51000 ) << "--- Make:          " << identify.make << endl;
        kDebug( 51000 ) << "--- Model:         " << identify.model << endl;
        kDebug( 51000 ) << "--- Size:          " << width << "x" << height << endl;
        kDebug( 51000 ) << "--- Orientation:   " << identify.orientation << endl;
        kDebug( 51000 ) << "--- Top margin:    " << identify.topMargin << endl;
        kDebug( 51000 ) << "--- Left margin:   " << identify.leftMargin << endl;
        kDebug( 51000 ) << "--- Filter:        " << identify.filterPattern << endl;
        kDebug( 51000 ) << "--- Colors:        " << identify.rawColors << endl;
        kDebug( 51000 ) << "--- Black:         " << identify.blackPoint << endl;
        kDebug( 51000 ) << "--- White:         " << identify.whitePoint << endl;
        kDebug( 51000 ) << "--- CAM->XYZ:" << endl;

        QString matrixVal;
        for(int i=0; i<12; i+=3)
        {
            kDebug( 51000 ) << "                   "
                     << QString().sprintf("%03.4f  %03.4f  %03.4f", identify.cameraXYZMatrix[0][ i ],
                                                                    identify.cameraXYZMatrix[0][i+1],
                                                                    identify.cameraXYZMatrix[0][i+2])
                     << endl;
        }

        // Check if CFA layout is supported by DNG SDK.
        int bayerMosaic;

        if (identify.filterPattern == QString("GRBGGRBGGRBGGRBG"))
        {
            bayerMosaic = 0;
        }
        else if (identify.filterPattern == QString("RGGBRGGBRGGBRGGB"))
        {
            bayerMosaic = 1;
        }
        else if (identify.filterPattern == QString("BGGRBGGRBGGRBGGR"))
        {
            bayerMosaic = 2;
        }
        else if (identify.filterPattern == QString("GBRGGBRGGBRGGBRG"))
        {
            bayerMosaic = 3;
        }
        else
        {
            kDebug( 51000 ) << "DNGWriter: Bayer mosaic not supported. Aborted..." << endl;
            return -1;
        }

        // Check if number of Raw Color components is supported.
        if (identify.rawColors != 3)
        {
            kDebug( 51000 ) << "DNGWriter: Number of Raw color components not supported. Aborted..." << endl;
            return -1;
        }

/*      // NOTE: code to hack RAW data extraction

        QString   rawdataFilePath(inputInfo.baseName() + QString(".dat"));
        QFileInfo rawdataInfo(rawdataFilePath);

        QFile rawdataFile(rawdataFilePath);
        if (!rawdataFile.open(QIODevice::WriteOnly))
        {
            kDebug( 51000 ) << "DNGWriter: Cannot open file to write RAW data. Aborted..." << endl;
            return -1;
        }
        QDataStream rawdataStream(&rawdataFile);
        rawdataStream.writeRawData(rawData.data(), rawData.size());
        rawdataFile.close();
*/
        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: Formating RAW data to memory" << endl;

        std::vector<unsigned short> raw_data;
        raw_data.resize(rawData.size());
        const unsigned short* dp = (const unsigned short*)rawData.data();
        for (uint i = 0; i < raw_data.size()/2; i++)
        {
            raw_data[i] = *dp;
            *dp++;
        }

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: DNG memory allocation and initialization" << endl;

        dng_memory_allocator memalloc(gDefaultDNGMemoryAllocator);
        dng_memory_stream stream(memalloc);
        stream.Put(&raw_data.front(), raw_data.size()*sizeof(unsigned short));

        dng_rect rect(height, width);
        DNGWriterHost host(d, &memalloc);

        // Unprocessed raw data.
        host.SetKeepStage1(true);

        // Linearized, tone curve processed data.
        host.SetKeepStage2(true);

        AutoPtr<dng_image> image(new dng_simple_image(rect, 1, ttShort, 1<<pixelRange, memalloc));

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: DNG IFD structure creation" << endl;

        dng_ifd ifd;

        ifd.fUsesNewSubFileType        = true;
        ifd.fNewSubFileType            = 0;
        ifd.fImageWidth                = width;
        ifd.fImageLength               = height;
        ifd.fBitsPerSample[0]          = pixelRange;
        ifd.fBitsPerSample[1]          = 0;
        ifd.fBitsPerSample[2]          = 0;
        ifd.fBitsPerSample[3]          = 0;
        ifd.fCompression               = ccUncompressed;
        ifd.fPredictor                 = 1;
        ifd.fCFALayout                 = 1;                 // Rectangular (or square) layout.
        ifd.fPhotometricInterpretation = piCFA;
        ifd.fFillOrder                 = 1;
        ifd.fOrientation               = identify.orientation;
        ifd.fSamplesPerPixel           = 1;
        ifd.fPlanarConfiguration       = 1;
        ifd.fXResolution               = 0.0;
        ifd.fYResolution               = 0.0;
        ifd.fResolutionUnit            = 0;

        ifd.fUsesStrips                = true;
        ifd.fUsesTiles                 = false;

        ifd.fTileWidth                 = width;
        ifd.fTileLength                = height;
        ifd.fTileOffsetsType           = 4;
        ifd.fTileOffsetsCount          = 0;

        ifd.fSubIFDsCount              = 0;
        ifd.fSubIFDsOffset             = 0;
        ifd.fExtraSamplesCount         = 0;
        ifd.fSampleFormat[0]           = 1;
        ifd.fSampleFormat[1]           = 1;
        ifd.fSampleFormat[2]           = 1;
        ifd.fSampleFormat[3]           = 1;

        ifd.fLinearizationTableType    = 0;
        ifd.fLinearizationTableCount   = 0;
        ifd.fLinearizationTableOffset  = 0;

        ifd.fBlackLevelRepeatRows      = 1;
        ifd.fBlackLevelRepeatCols      = 1;
        ifd.fBlackLevel[0][0][0]       = identify.blackPoint;
        ifd.fBlackLevelDeltaHType      = 0;
        ifd.fBlackLevelDeltaHCount     = 0;
        ifd.fBlackLevelDeltaHOffset    = 0;
        ifd.fBlackLevelDeltaVType      = 0;
        ifd.fBlackLevelDeltaVCount     = 0;
        ifd.fBlackLevelDeltaVOffset    = 0;
        ifd.fWhiteLevel[0]             = identify.whitePoint;
        ifd.fWhiteLevel[1]             = identify.whitePoint;
        ifd.fWhiteLevel[2]             = identify.whitePoint;
        ifd.fWhiteLevel[3]             = identify.whitePoint;

        ifd.fDefaultScaleH             = dng_urational(1, 1);
        ifd.fDefaultScaleV             = dng_urational(1, 1);
        ifd.fBestQualityScale          = dng_urational(1, 1);

        ifd.fCFARepeatPatternRows      = 0;
        ifd.fCFARepeatPatternCols      = 0;

        ifd.fBayerGreenSplit           = 0;
        ifd.fChromaBlurRadius          = dng_urational(0, 0);
        ifd.fAntiAliasStrength         = dng_urational(100, 100);

        ifd.fActiveArea                = rect;
        ifd.fDefaultCropOriginH        = dng_urational(0, 1);
        ifd.fDefaultCropOriginV        = dng_urational(0, 1);
        ifd.fDefaultCropSizeH          = dng_urational(width, 1);
        ifd.fDefaultCropSizeV          = dng_urational(height, 1);

        ifd.fMaskedAreaCount           = 0;
        ifd.fLosslessJPEGBug16         = false;
        ifd.fSampleBitShift            = 0;

        ifd.ReadImage(host, stream, *image.Get());

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: DNG Negative structure creation" << endl;

        AutoPtr<dng_negative> negative(host.Make_dng_negative());

        negative->SetDefaultScale(ifd.fDefaultScaleH, ifd.fDefaultScaleV);
        negative->SetDefaultCropOrigin(ifd.fDefaultCropOriginH, ifd.fDefaultCropOriginV);
        negative->SetDefaultCropSize(ifd.fDefaultCropSizeH, ifd.fDefaultCropSizeV);
        negative->SetActiveArea(ifd.fActiveArea);

        negative->SetModelName(identify.model.toAscii());
        negative->SetLocalName(QString("%1 %2").arg(identify.make).arg(identify.model).toAscii());
        negative->SetOriginalRawFileName(inputInfo.fileName().toAscii());

        negative->SetColorChannels(3);
        negative->SetColorKeys(colorKeyRed, colorKeyGreen, colorKeyBlue);
        negative->SetBayerMosaic(bayerMosaic);

        negative->SetWhiteLevel(identify.whitePoint, 0);
        negative->SetWhiteLevel(identify.whitePoint, 1);
        negative->SetWhiteLevel(identify.whitePoint, 2);
        negative->SetBlackLevel(identify.blackPoint, 0);
        negative->SetBlackLevel(identify.blackPoint, 1);
        negative->SetBlackLevel(identify.blackPoint, 2);

        negative->SetBaselineExposure(0.0);
        negative->SetBaselineNoise(1.0);
        negative->SetBaselineSharpness(1.0);

        dng_orientation orientation;
        switch (identify.orientation)
        {
            case DcrawInfoContainer::ORIENTATION_180:
                orientation = dng_orientation::Rotate180();
                break;

            case DcrawInfoContainer::ORIENTATION_90CCW:
                orientation = dng_orientation::Rotate90CCW();
                break;

            case DcrawInfoContainer::ORIENTATION_90CW:
                orientation = dng_orientation::Rotate90CW();
                break;

            default:   // ORIENTATION_NONE
                orientation = dng_orientation::Normal();
                break;
        }
        negative->SetBaseOrientation(orientation);

        negative->SetAntiAliasStrength(dng_urational(100, 100));
        negative->SetLinearResponseLimit(1.0);
        negative->SetShadowScale( dng_urational(1, 1) );

        negative->SetAnalogBalance(dng_vector_3(1.0, 1.0, 1.0));

        // -------------------------------------------------------------------------------

        // Set Camera->XYZ Color matrix as profile.
        dng_matrix_3by3 matrix(1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0);
        dng_matrix_3by3 camXYZ;

        AutoPtr<dng_camera_profile> prof(new dng_camera_profile);
        prof->SetName(QString("%1 %2").arg(identify.make).arg(identify.model).toAscii());

        camXYZ[0][0] = identify.cameraXYZMatrix[0][0];
        camXYZ[0][1] = identify.cameraXYZMatrix[0][1];
        camXYZ[0][2] = identify.cameraXYZMatrix[0][2];
        camXYZ[1][0] = identify.cameraXYZMatrix[0][3];
        camXYZ[1][1] = identify.cameraXYZMatrix[1][0];
        camXYZ[1][2] = identify.cameraXYZMatrix[1][1];
        camXYZ[2][0] = identify.cameraXYZMatrix[1][2];
        camXYZ[2][1] = identify.cameraXYZMatrix[1][3];
        camXYZ[2][2] = identify.cameraXYZMatrix[2][0];

        if (camXYZ.MaxEntry() == 0.0)
            kDebug( 51000 ) << "DNGWriter: Warning, camera XYZ Matrix is null" << endl;
        else 
            matrix = camXYZ;

        prof->SetColorMatrix1((dng_matrix) matrix);
        prof->SetCalibrationIlluminant1(lsD65);
        negative->AddProfile(prof);

        // -------------------------------------------------------------------------------

        // Clear "Camera WhiteXY"
        negative->SetCameraWhiteXY(dng_xy_coord());

        // This settings break color on preview and thumbnail
        //negative->SetCameraNeutral(dng_vector_3(1.0, 1.0, 1.0));

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: Updating metadata to DNG Negative" << endl;

        dng_exif *exif = negative->GetExif();
        exif->fModel.Set_ASCII(identify.model.toAscii());
        exif->fMake.Set_ASCII(identify.make.toAscii());

        // Time from original shot
        dng_date_time dt;
        dt.fYear   = identify.dateTime.date().year();
        dt.fMonth  = identify.dateTime.date().month();
        dt.fDay    = identify.dateTime.date().day();
        dt.fHour   = identify.dateTime.time().hour();
        dt.fMinute = identify.dateTime.time().minute();
        dt.fSecond = identify.dateTime.time().second();

        dng_date_time_info dti;
        dti.SetDateTime(dt);
        exif->fDateTimeOriginal  = dti;
        exif->fDateTimeDigitized = dti;
        negative->UpdateDateTime(dti);

        long int num, den;
        long     val;
        QString  str;
        KExiv2   meta;
        if (meta.load(inputFile()))
        {
            // String Tags

            str = meta.getExifTagString("Exif.Image.Software");
            if (!str.isEmpty()) exif->fSoftware.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.Image.ImageDescription");
            if (!str.isEmpty()) exif->fImageDescription.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.Image.Artist");
            if (!str.isEmpty()) exif->fArtist.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.Image.Copyright");
            if (!str.isEmpty()) exif->fCopyright.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.Photo.UserComment");
            if (!str.isEmpty()) exif->fUserComment.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.Image.CameraSerialNumber");
            if (!str.isEmpty()) exif->fCameraSerialNumber.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSLatitudeRef");
            if (!str.isEmpty()) exif->fGPSLatitudeRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSLongitudeRef");
            if (!str.isEmpty()) exif->fGPSLongitudeRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSSatellites");
            if (!str.isEmpty()) exif->fGPSSatellites.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSStatus");
            if (!str.isEmpty()) exif->fGPSStatus.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSMeasureMode");
            if (!str.isEmpty()) exif->fGPSMeasureMode.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSSpeedRef");
            if (!str.isEmpty()) exif->fGPSSpeedRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSTrackRef");
            if (!str.isEmpty()) exif->fGPSTrackRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSSpeedRef");
            if (!str.isEmpty()) exif->fGPSSpeedRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSImgDirectionRef");
            if (!str.isEmpty()) exif->fGPSSpeedRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSMapDatum");
            if (!str.isEmpty()) exif->fGPSMapDatum.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSDestLatitudeRef");
            if (!str.isEmpty()) exif->fGPSDestLatitudeRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSDestLongitudeRef");
            if (!str.isEmpty()) exif->fGPSDestLongitudeRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSDestBearingRef");
            if (!str.isEmpty()) exif->fGPSDestBearingRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSDestDistanceRef");
            if (!str.isEmpty()) exif->fGPSDestDistanceRef.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSProcessingMethod");
            if (!str.isEmpty()) exif->fGPSProcessingMethod.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSAreaInformation");
            if (!str.isEmpty()) exif->fGPSAreaInformation.Set_ASCII(str.toAscii());

            str = meta.getExifTagString("Exif.GPSInfo.GPSDateStamp");
            if (!str.isEmpty()) exif->fGPSDateStamp.Set_ASCII(str.toAscii());

            // Rational Tags

            if (meta.getExifTagRational("Exif.Photo.ExposureTime", num, den))          exif->fExposureTime          = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.FNumber", num, den))               exif->fFNumber               = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.ShutterSpeedValue", num, den))     exif->fShutterSpeedValue     = dng_srational(num, den);
            if (meta.getExifTagRational("Exif.Photo.ApertureValue", num, den))         exif->fApertureValue         = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.BrightnessValue", num, den))       exif->fBrightnessValue       = dng_srational(num, den);
            if (meta.getExifTagRational("Exif.Photo.ExposureBiasValue", num, den))     exif->fExposureBiasValue     = dng_srational(num, den);
            if (meta.getExifTagRational("Exif.Photo.MaxApertureValue", num, den))      exif->fMaxApertureValue      = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.FocalLength", num, den))           exif->fFocalLength           = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.DigitalZoomRatio", num, den))      exif->fDigitalZoomRatio      = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.SubjectDistance", num, den))       exif->fSubjectDistance       = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Image.BatteryLevel", num, den))          exif->fBatteryLevelR         = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.FocalPlaneXResolution", num, den)) exif->fFocalPlaneXResolution = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.Photo.FocalPlaneYResolution", num, den)) exif->fFocalPlaneYResolution = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSAltitude", num, den))         exif->fGPSAltitude           = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSDOP", num, den))              exif->fGPSDOP                = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSSpeed", num, den))            exif->fGPSSpeed              = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSTrack", num, den))            exif->fGPSTrack              = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSImgDirection", num, den))     exif->fGPSImgDirection       = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSDestBearing", num, den))      exif->fGPSDestBearing        = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSDestDistance", num, den))     exif->fGPSDestDistance       = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSLatitude", num, den))         exif->fGPSLatitude[0]        = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSLongitude", num, den))        exif->fGPSLongitude[0]       = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSTimeStamp", num, den))        exif->fGPSTimeStamp[0]       = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSDestLatitude", num, den))     exif->fGPSDestLatitude[0]    = dng_urational(num, den);
            if (meta.getExifTagRational("Exif.GPSInfo.GPSDestLongitude", num, den))    exif->fGPSDestLongitude[0]   = dng_urational(num, den);

            // Integer Tags

            if (meta.getExifTagLong("Exif.Photo.ExposureProgram", val))          exif->fExposureProgram          = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.MeteringMode", val))             exif->fMeteringMode             = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.LightSource", val))              exif->fLightSource              = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.Flash", val))                    exif->fFlash                    = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.SensingMethod", val))            exif->fSensingMethod            = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.FileSource", val))               exif->fFileSource               = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.SceneType", val))                exif->fSceneType                = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.CustomRendered", val))           exif->fCustomRendered           = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.ExposureMode", val))             exif->fExposureMode             = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.WhiteBalance", val))             exif->fWhiteBalance             = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.SceneCaptureType", val))         exif->fSceneCaptureType         = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.GainControl", val))              exif->fGainControl              = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.Contrast", val))                 exif->fContrast                 = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.Saturation", val))               exif->fSaturation               = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.Sharpness", val))                exif->fSharpness                = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.SubjectDistanceRange", val))     exif->fSubjectDistanceRange     = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.FocalLengthIn35mmFilm", val))    exif->fFocalLengthIn35mmFilm    = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.ComponentsConfiguration", val))  exif->fComponentsConfiguration  = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.PixelXDimension", val))          exif->fPixelXDimension          = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.PixelYDimension", val))          exif->fPixelYDimension          = (uint32)val;
            if (meta.getExifTagLong("Exif.Photo.FocalPlaneResolutionUnit", val)) exif->fFocalPlaneResolutionUnit = (uint32)val;
            if (meta.getExifTagLong("Exif.GPSInfo.GPSVersionID", val))           exif->fGPSVersionID             = (uint32)val;
            if (meta.getExifTagLong("Exif.GPSInfo.GPSAltitudeRef", val))         exif->fGPSAltitudeRef           = (uint32)val;
            if (meta.getExifTagLong("Exif.GPSInfo.GPSDifferential", val))        exif->fGPSDifferential          = (uint32)val;
        }

        // Markernote backup.

        QByteArray mkrnts = meta.getExifTagData("Exif.Photo.MakerNote");
        if (!mkrnts.isEmpty())
        {
            kDebug( 51000 ) << "DNGWriter: Backup Makernote (" << mkrnts.size() << " bytes)" << endl;

            dng_memory_allocator memalloc(gDefaultDNGMemoryAllocator);
            dng_memory_stream stream(memalloc);
            stream.Put(mkrnts.data(), mkrnts.size());
            AutoPtr<dng_memory_block> block(host.Allocate(mkrnts.size()));
            stream.SetReadPosition(0);
            stream.Get(block->Buffer(), mkrnts.size());
            negative->SetMakerNote(block);
            negative->SetMakerNoteSafety(true);
        }

        if (d->backupOriginalRawFile)
        {
            kDebug( 51000 ) << "DNGWriter: Backup Original RAW file (" << inputInfo.size() << " bytes)" << endl;

            // Compress Raw file data to Zip archive.

            QTemporaryFile zipFile;
            if (!zipFile.open())
            {
                kDebug( 51000 ) << "DNGWriter: Cannot open temporary file to write Zip Raw file. Aborted..." << endl;
                return -1;
            }
            KZip zipArchive(zipFile.fileName());
            zipArchive.open(QIODevice::WriteOnly);
            zipArchive.setCompression(KZip::DeflateCompression);
            zipArchive.addLocalFile(inputFile(), inputFile());
            zipArchive.close();

            // Load Zip Archive in a byte array

            QFileInfo zipFileInfo(zipFile.fileName());
            QByteArray zipRawFileData;
            zipRawFileData.resize(zipFileInfo.size());
            QDataStream dataStream(&zipFile);
            dataStream.readRawData(zipRawFileData.data(), zipRawFileData.size());
            kDebug( 51000 ) << "DNGWriter: Zipped RAW file size " << zipRawFileData.size() << " bytes" << endl;

            // Pass byte array to DNG sdk and compute MD5 fingerprint.

            dng_memory_allocator memalloc(gDefaultDNGMemoryAllocator);
            dng_memory_stream stream(memalloc);
            stream.Put(zipRawFileData.data(), zipRawFileData.size());
            AutoPtr<dng_memory_block> block(host.Allocate(zipRawFileData.size()));
            stream.SetReadPosition(0);
            stream.Get(block->Buffer(), zipRawFileData.size());

            dng_md5_printer md5;
            md5.Process(block->Buffer(), block->LogicalSize());
            negative->SetOriginalRawFileData(block);
            negative->SetOriginalRawFileDigest(md5.Result());
            negative->ValidateOriginalRawFileDigest();

            zipFile.remove();
        }

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: Build DNG Negative" << endl;

        // Assign Raw image data.
        negative->SetStage1Image(image);

        // Compute linearized and range mapped image
        negative->BuildStage2Image(host);

        // Compute demosaiced image (used by preview and thumbnail)
        negative->BuildStage3Image(host);

        negative->SynchronizeMetadata();
        negative->RebuildIPTC();

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        dng_preview_list previewList;

// NOTE: something is wrong with Qt < 4.4.0 to import TIFF data as stream in QImage.
#if QT_VERSION >= 0x40400

        if (d->previewMode != DNGWriter::NONE)
        {
            kDebug( 51000 ) << "DNGWriter: DNG preview image creation" << endl;

            // Construct a preview image as TIFF format.
            AutoPtr<dng_image> tiffImage;
            dng_render tiff_render(host, *negative);
            tiff_render.SetFinalSpace(dng_space_sRGB::Get());
            tiff_render.SetFinalPixelType(ttByte);
            tiff_render.SetMaximumSize(d->previewMode == MEDIUM ? 1280 : width);
            tiffImage.Reset(tiff_render.Render());

            dng_image_writer tiff_writer;
            AutoPtr<dng_memory_stream> dms(new dng_memory_stream(gDefaultDNGMemoryAllocator));

            tiff_writer.WriteTIFF(host, *dms, *tiffImage.Get(), piRGB,
                                  ccUncompressed, negative.Get(), &tiff_render.FinalSpace());

            // Write TIFF preview image data to a temp JPEG file
            std::vector<char> tiff_mem_buffer(dms->Length());
            dms->SetReadPosition(0);
            dms->Get(&tiff_mem_buffer.front(), tiff_mem_buffer.size());
            dms.Reset();

            QImage pre_image;
            if (!pre_image.loadFromData((uchar*)&tiff_mem_buffer.front(), tiff_mem_buffer.size(), "TIFF"))
            {
                kDebug( 51000 ) << "DNGWriter: Cannot load TIFF preview data in memory. Aborted..." << endl;
                return -1;
            }

            QTemporaryFile previewFile;
            if (!previewFile.open())
            {
                kDebug( 51000 ) << "DNGWriter: Cannot open temporary file to write JPEG preview. Aborted..." << endl;
                return -1;
            }

            if (!pre_image.save(previewFile.fileName(), "JPEG", 90))
            {
                kDebug( 51000 ) << "DNGWriter: Cannot save file to write JPEG preview. Aborted..." << endl;
                return -1;
            }

            // Load JPEG preview file data in DNG preview container.
            AutoPtr<dng_jpeg_preview> jpeg_preview;
            jpeg_preview.Reset(new dng_jpeg_preview);
            jpeg_preview->fPhotometricInterpretation = piYCbCr;
            jpeg_preview->fPreviewSize.v             = pre_image.height();
            jpeg_preview->fPreviewSize.h             = pre_image.width();
            jpeg_preview->fCompressedData.Reset(host.Allocate(previewFile.size()));

            QDataStream previewStream( &previewFile );
            previewStream.readRawData(jpeg_preview->fCompressedData->Buffer_char(), previewFile.size());

            AutoPtr<dng_preview> pp( dynamic_cast<dng_preview*>(jpeg_preview.Release()) );
            previewList.Append(pp);

            previewFile.remove();
        }

#endif /* QT_VERSION >= 0x40400 */

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: DNG thumbnail creation" << endl;

        dng_image_preview thumbnail;
        dng_render thumbnail_render(host, *negative);
        thumbnail_render.SetFinalSpace(dng_space_sRGB::Get());
        thumbnail_render.SetFinalPixelType(ttByte);
        thumbnail_render.SetMaximumSize(256);
        thumbnail.fImage.Reset(thumbnail_render.Render());

        if (d->cancel) return -2;

        // -----------------------------------------------------------------------------------------

        kDebug( 51000 ) << "DNGWriter: Creating DNG file " << outputInfo.fileName() << endl;

        dng_image_writer writer;
        dng_file_stream filestream(QFile::encodeName(dngFilePath), true);

        writer.WriteDNG(host, filestream, *negative.Get(), thumbnail, 
                        d->jpegLossLessCompression ? ccJPEG : ccUncompressed,
                        &previewList);
    }

    catch (const dng_exception &exception)
    {
        int ret = exception.ErrorCode();
        kDebug( 51000 ) << "DNGWriter: DNG SDK exception code (" << ret << ")" << endl;
        return ret;
    }

    catch (...)
    {
        kDebug( 51000 ) << "DNGWriter: DNG SDK exception code unknow" << endl;
        return dng_error_unknown;
    }

    kDebug( 51000 ) << "DNGWriter: DNG conversion complete..." << endl;

    return dng_error_none;
}