예제 #1
0
파일: write-test.cpp 프로젝트: obklar/exiv2
void exifPrint(const ExifData& exifData)
{
    ExifData::const_iterator i = exifData.begin();
    for (; i != exifData.end(); ++i) {
        std::cout << std::setw(44) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << " "
                  << std::setw(9) << std::setfill(' ') << std::left
                  << i->typeName() << " "
                  << std::dec << std::setw(3)
                  << std::setfill(' ') << std::right
                  << i->count() << "  "
                  << std::dec << i->value()
                  << "\n";
    }
}
예제 #2
0
    void Rw2Image::readMetadata()
    {
#ifdef DEBUG
        std::cerr << "Reading RW2 file " << io_->path() << "\n";
#endif
        if (io_->open() != 0) {
            throw Error(9, io_->path(), strError());
        }
        IoCloser closer(*io_);
        // Ensure that this is the correct image type
        if (!isRw2Type(*io_, false)) {
            if (io_->error() || io_->eof()) throw Error(14);
            throw Error(3, "RW2");
        }
        clearMetadata();
        std::ofstream devnull;
        printStructure(devnull, kpsRecursive, 0);
        ByteOrder bo = Rw2Parser::decode(exifData_,
                                         iptcData_,
                                         xmpData_,
                                         io_->mmap(),
                                         io_->size());
        setByteOrder(bo);

        // A lot more metadata is hidden in the embedded preview image
        // Todo: This should go into the Rw2Parser, but for that it needs the Image
        PreviewManager loader(*this);
        PreviewPropertiesList list = loader.getPreviewProperties();
        // Todo: What if there are more preview images?
        if (list.size() > 1) {
#ifndef SUPPRESS_WARNINGS
            EXV_WARNING << "RW2 image contains more than one preview. None used.\n";
#endif
        }
        if (list.size() != 1) return;
        ExifData exifData;
        PreviewImage preview = loader.getPreviewImage(*list.begin());
        Image::AutoPtr image = ImageFactory::open(preview.pData(), preview.size());
        if (image.get() == 0) {
#ifndef SUPPRESS_WARNINGS
            EXV_WARNING << "Failed to open RW2 preview image.\n";
#endif
            return;
        }
        image->readMetadata();
        ExifData& prevData = image->exifData();
        if (!prevData.empty()) {
            // Filter duplicate tags
            for (ExifData::const_iterator pos = exifData_.begin(); pos != exifData_.end(); ++pos) {
                if (pos->ifdId() == panaRawId) continue;
                ExifData::iterator dup = prevData.findKey(ExifKey(pos->key()));
                if (dup != prevData.end()) {
#ifdef DEBUG
                    std::cerr << "Filtering duplicate tag " << pos->key()
                              << " (values '" << pos->value()
                              << "' and '" << dup->value() << "')\n";
#endif
                    prevData.erase(dup);
                }
            }
        }
        // Remove tags not applicable for raw images
        static const char* filteredTags[] = {
            "Exif.Photo.ComponentsConfiguration",
            "Exif.Photo.CompressedBitsPerPixel",
            "Exif.Panasonic.ColorEffect",
            "Exif.Panasonic.Contrast",
            "Exif.Panasonic.NoiseReduction",
            "Exif.Panasonic.ColorMode",
            "Exif.Panasonic.OpticalZoomMode",
            "Exif.Panasonic.Contrast",
            "Exif.Panasonic.Saturation",
            "Exif.Panasonic.Sharpness",
            "Exif.Panasonic.FilmMode",
            "Exif.Panasonic.SceneMode",
            "Exif.Panasonic.WBRedLevel",
            "Exif.Panasonic.WBGreenLevel",
            "Exif.Panasonic.WBBlueLevel",
            "Exif.Photo.ColorSpace",
            "Exif.Photo.PixelXDimension",
            "Exif.Photo.PixelYDimension",
            "Exif.Photo.SceneType",
            "Exif.Photo.CustomRendered",
            "Exif.Photo.DigitalZoomRatio",
            "Exif.Photo.SceneCaptureType",
            "Exif.Photo.GainControl",
            "Exif.Photo.Contrast",
            "Exif.Photo.Saturation",
            "Exif.Photo.Sharpness",
            "Exif.Image.PrintImageMatching",
            "Exif.Image.YCbCrPositioning"
        };
        for (unsigned int i = 0; i < EXV_COUNTOF(filteredTags); ++i) {
            ExifData::iterator pos = prevData.findKey(ExifKey(filteredTags[i]));
            if (pos != prevData.end()) {
#ifdef DEBUG
                std::cerr << "Exif tag " << pos->key() << " removed\n";
#endif
                prevData.erase(pos);
            }
        }

        // Add the remaining tags
        for (ExifData::const_iterator pos = prevData.begin(); pos != prevData.end(); ++pos) {
            exifData_.add(*pos);
        }

    } // Rw2Image::readMetadata
예제 #3
0
gboolean
exiv2_load_meta_interface(const gchar *service, RAWFILE *rawfile, guint offset, RSMetadata *meta)
{
	try {
		Image::AutoPtr img = ImageFactory::open((byte*)raw_get_map(rawfile), raw_get_filesize(rawfile));
		img->readMetadata();
		ExifData &exifData = img->exifData();

#if EXIV2_TEST_VERSION(0,17,0)
		/* We perfer XMP data, so copy it to EXIF */
		XmpData &xmpData = img->xmpData();
		if (!xmpData.empty())
			copyXmpToExif(xmpData, exifData);
#endif

		/* Parse Exif Data */
		if (!exifData.empty())
		{
			ExifData::const_iterator i;
			i = exifData.findKey(ExifKey("Exif.Image.Make"));
			if (i != exifData.end())
				set_metadata_maker(i->toString(), meta);
			
			i = exifData.findKey(ExifKey("Exif.Image.Model"));
			if (i != exifData.end())
				meta->model_ascii = g_strdup(i->toString().c_str());

#if EXIV2_TEST_VERSION(0,19,0)
			i = orientation(exifData);
			if (i != exifData.end())
			{
				std::auto_ptr<Exiv2::Value> val = i->getValue();
				if (val->count())
				{
					switch (val->toLong())
					{
							case 6: meta->orientation = 90;
								break;
							case 8: meta->orientation = 270;
								break;
					}
				}
			}
#endif

			i = exifData.findKey(ExifKey("Exif.Image.DateTimeOriginal"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Image.DateTime"));
			if (i != exifData.end())
			{
				meta->time_ascii = g_strdup(i->toString().c_str());
				meta->timestamp = rs_exiftime_to_unixtime(meta->time_ascii);
			}

			i = exifData.findKey(ExifKey("Exif.Image.ExposureTime"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Photo.ExposureTime"));
			if (i != exifData.end())
				meta->shutterspeed = 1.0 / i->getValue()->toFloat();
			else
			{
				i = exifData.findKey(ExifKey("Exif.Image.ShutterSpeedValue"));
				if (i == exifData.end())
					i = exifData.findKey(ExifKey("Exif.Photo.ShutterSpeedValue"));
				if (i != exifData.end())
					meta->shutterspeed = 1.0 / i->toFloat();
			}

			i = exifData.findKey(ExifKey("Exif.Image.FNumber"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Photo.FNumber"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Image.ApertureValue"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Photo.ApertureValue"));
			if (i != exifData.end())
				meta->aperture = i->toFloat();

			i = exifData.findKey(ExifKey("Exif.Image.FocalLength"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.Photo.FocalLength"));
			if (i != exifData.end())
				meta->focallength = i->toFloat()-0.01;

#if EXIV2_TEST_VERSION(0,19,0)
			i = isoSpeed(exifData);
			if (i != exifData.end())
				meta->iso = i->toLong();

			/* Text based Lens Identifier */
			i = lensName(exifData);
			if (i != exifData.end())
			{
				TypeId type = i->typeId();
				if (type == unsignedShort || type == unsignedLong || type == signedShort || type == signedLong || type == unsignedByte || type == signedByte)
					meta->lens_id = i->toLong();
				else if (type == asciiString || type == string)
					meta->fixed_lens_identifier = g_strdup(i->toString().c_str());
			}
#endif

			/* Canon*/
			i = exifData.findKey(ExifKey("Exif.CanonCs.Lens"));
			if (i != exifData.end()
					&& i->value().count() >= 3
					&& i->value().typeId() == unsignedShort) 
			{
				float fu = i->value().toFloat(2);
				if (fu != 0.0) 
				{
					meta->lens_min_focal = i->toFloat(0) / fu;
					meta->lens_max_focal = i->toFloat(1) /fu;
				}
			}
			i = exifData.findKey(ExifKey("Exif.CanonCs.MinAperture"));
			if (i != exifData.end())
				meta->lens_min_aperture = (gfloat) exp(CanonEv(i->toFloat())*log(2)/2);
			i = exifData.findKey(ExifKey("Exif.CanonCs.MaxAperture"));
			if (i != exifData.end())
				meta->lens_max_aperture = (gfloat) exp(CanonEv(i->toFloat())*log(2)/2);

			/* Olympus */
			i = exifData.findKey(ExifKey("Exif.OlympusEq.MinFocalLength"));
			if (i != exifData.end())
				meta->lens_min_focal = i->toFloat();
			i = exifData.findKey(ExifKey("Exif.OlympusEq.MaxFocalLength"));
			if (i != exifData.end())
				meta->lens_max_focal = i->toFloat();


			/* Nikon */
			i = exifData.findKey(ExifKey("Exif.NikonLd1.MinFocalLength"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd2.MinFocalLength"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd3.MinFocalLength"));
			if (i != exifData.end())
				meta->lens_min_focal = 5.0 * pow(2.0, i->toLong()/24.0);

			i = exifData.findKey(ExifKey("Exif.NikonLd1.MaxFocalLength"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd2.MaxFocalLength"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd3.MaxFocalLength"));
			if (i != exifData.end())
				meta->lens_max_focal = 5.0 * pow(2.0, i->toLong()/24.0);

			i = exifData.findKey(ExifKey("Exif.NikonLd1.MaxApertureAtMinFocal"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd2.MaxApertureAtMinFocal"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd3.MaxApertureAtMinFocal"));
			if (i != exifData.end())
				meta->lens_min_aperture = i->toLong()/12.0;
			
			i = exifData.findKey(ExifKey("Exif.NikonLd1.MaxApertureAtMaxFocal"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd2.MaxApertureAtMaxFocal"));
			if (i == exifData.end())
				i = exifData.findKey(ExifKey("Exif.NikonLd3.MaxApertureAtMaxFocal"));
			if (i != exifData.end())
				meta->lens_max_aperture = i->toLong()/12.0;
				
			/* Fuji */
			i = exifData.findKey(ExifKey("Exif.Fujifilm.MinFocalLength"));
			if (i != exifData.end())
				meta->lens_min_focal = i->toFloat();
			i = exifData.findKey(ExifKey("Exif.Fujifilm.MaxFocalLength"));
			if (i != exifData.end())
				meta->lens_max_focal = i->toFloat();

			return TRUE;
		}
	} catch (Exiv2::Error& e) {
    g_debug("Exiv2 Metadata Loader:'%s'", e.what());
	}
	return FALSE;
}