int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
const char* path=argv[1];
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(path);
assert(image.get() != 0);
image->readMetadata();
Jzon::Object root;
const char* FS="FS";
Jzon::Object fs ;
root.Add (FS,fs) ;
fileSystemPush(path,root.Get(FS));
Exiv2::ExifData &exifData = image->exifData();
for ( ExifData::const_iterator i = exifData.begin(); i != exifData.end() ; ++i ) {
std::string key ;
push(objectForKey(i->key(),key,root),key,i);
}
Exiv2::IptcData &iptcData = image->iptcData();
for (Exiv2::IptcData::const_iterator i = iptcData.begin(); i != iptcData.end(); ++i) {
std::string key ;
push(objectForKey(i->key(),key,root),key,i);
}
Exiv2::XmpData &xmpData = image->xmpData();
for (Exiv2::XmpData::const_iterator i = xmpData.begin(); i != xmpData.end(); ++i) {
std::string key ;
push(objectForKey(i->key(),key,root),key,i);
}
/*
This is only for testing long paths
{
ExifData::const_iterator i = exifData.begin();
std::string key;
push(objectForKey("This.Is.A.Rather.Long.Path.Key",key,root),key,i);
}
*/
Jzon::Writer writer(root,Jzon::StandardFormat);
writer.Write();
std::cout << writer.GetResult() << std::endl;
return 0;
}
//catch (std::exception& e) {
//catch (Exiv2::AnyError& e) {
catch (Exiv2::Error& e) {
std::cout << "Caught Exiv2 exception '" << e.what() << "'\n";
return -1;
}
ExifData::const_iterator isoSpeed(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.ISOSpeedRatings",
"Exif.Image.ISOSpeedRatings",
"Exif.CanonSi.ISOSpeed",
"Exif.CanonCs.ISOSpeed",
"Exif.Nikon1.ISOSpeed",
"Exif.Nikon2.ISOSpeed",
"Exif.Nikon3.ISOSpeed",
"Exif.NikonIi.ISO",
"Exif.NikonIi.ISO2",
"Exif.MinoltaCsNew.ISOSetting",
"Exif.MinoltaCsOld.ISOSetting",
"Exif.MinoltaCs5D.ISOSpeed",
"Exif.MinoltaCs7D.ISOSpeed",
"Exif.Sony1Cs.ISOSetting",
"Exif.Sony2Cs.ISOSetting",
"Exif.Sony1Cs2.ISOSetting",
"Exif.Sony2Cs2.ISOSetting",
"Exif.Sony1MltCsA100.ISOSetting",
"Exif.Pentax.ISO",
"Exif.PentaxDng.ISO",
"Exif.Olympus.ISOSpeed",
"Exif.Samsung2.ISO",
"Exif.Casio.ISO",
"Exif.Casio2.ISO",
"Exif.Casio2.ISOSpeed"
};
// Find the first ISO value which is not "0"
const int cnt = EXV_COUNTOF(keys);
ExifData::const_iterator md = ed.end();
for (int idx = 0; idx < cnt; ) {
md = findMetadatum(ed, keys + idx, cnt - idx);
if (md == ed.end()) break;
std::ostringstream os;
md->write(os, &ed);
bool ok = false;
long v = parseLong(os.str(), ok);
if (ok && v != 0) break;
while (strcmp(keys[idx++], md->key().c_str()) != 0 && idx < cnt) {}
md = ed.end();
}
return md;
}
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";
}
}
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