    int CrwImage::pixelWidth() const
    {
        Exiv2::ExifData::const_iterator widthIter = exifData_.findKey(Exiv2::ExifKey("Exif.Photo.PixelXDimension"));
        if (widthIter != exifData_.end() && widthIter->count() > 0) {
            return widthIter->toLong();
        }
        return 0;
    }
Unknown