void ExifTransfer::copyMetadata() {
try {
dst = Exiv2::ImageFactory::open(BasicIo::AutoPtr(new MemIo(data, dataSize)));
dst->readMetadata();
} catch (Exiv2::Error & e) {
std::cerr << "Exiv2 error: " << e.what() << std::endl;
return;
}
try {
src = Exiv2::ImageFactory::open(srcFile.toLocal8Bit().constData());
src->readMetadata();
copyXMP();
copyIPTC();
copyEXIF();
} catch (Exiv2::Error & e) {
std::cerr << "Exiv2 error: " << e.what() << std::endl;
// At least we have to set the SubImage1 file type to Primary Image
dst->exifData()["Exif.SubImage1.NewSubfileType"] = 0;
}
try {
dst->writeMetadata();
FileIo fileIo(dstFile.toLocal8Bit().constData());
fileIo.open("wb");
fileIo.write(dst->io());
fileIo.close();
} catch (Exiv2::Error & e) {
std::cerr << "Exiv2 error: " << e.what() << std::endl;
}
}
// *****************************************************************************
// Main
int main(int argc, char* const argv[])
{
try {
// Handle command line arguments
Params params;
if (params.getopt(argc, argv)) {
params.usage();
return 1;
}
if (params.help_) {
params.help();
return 2;
}
// Use MemIo to increase test coverage.
Exiv2::BasicIo::AutoPtr fileIo(new Exiv2::FileIo(params.read_));
Exiv2::BasicIo::AutoPtr memIo(new Exiv2::MemIo);
memIo->transfer(*fileIo);
Exiv2::Image::AutoPtr readImg = Exiv2::ImageFactory::open(memIo);
assert(readImg.get() != 0);
readImg->readMetadata();
Exiv2::Image::AutoPtr writeImg = Exiv2::ImageFactory::open(params.write_);
assert(writeImg.get() != 0);
if (params.preserve_) writeImg->readMetadata();
if (params.iptc_) {
writeImg->setIptcData(readImg->iptcData());
}
if (params.exif_) {
writeImg->setExifData(readImg->exifData());
}
if (params.comment_) {
writeImg->setComment(readImg->comment());
}
if (params.xmp_) {
writeImg->setXmpData(readImg->xmpData());
}
try {
writeImg->writeMetadata();
}
catch (const Exiv2::AnyError&) {
std::cerr << params.progname() <<
": Could not write metadata to (" << params.write_ << ")\n";
return 8;
}
return 0;
}
catch (Exiv2::AnyError& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return 10;
}
}
int populateMetaExif(std::string file, std::string plate)
{
try
{
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
std::string comment = plate + ' '+ "LOT50"; //Add code to get information about lot
if(!image.get())
{
throw Exiv2::Error(1, "Failed to open image");
}
image->readMetadata();
Exiv2::ExifData &exifData = image->exifData();
exifData["Exif.Photo.UserComment"]= comment;
//std::cout<< "Writing Exiv User Comment "<< exifData["Exif.Image.ImageDescription"] <<"\n";
image->writeMetadata();
} catch (Exiv2::AnyError& e) {
std::cout << "Problem Writing Metadata '" << e << "'\n";
return -1;
}
return 0;
}
Exiv2::ExifData getExifFromPath(char* filename) {
qDebug() << "Trying to read EXIF for" << filename;
try {
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(filename);
assert(image.get() != 0);
image->readMetadata();
Exiv2::ExifData &exifData = image->exifData();
if (exifData.empty()) {
std::string error(filename);
error += ": No Exif data found in the file";
//TODO Translate
//throw Exiv2::Error(1, error);
}
return exifData;
} catch (Exiv2::Error& e) {
Exiv2::ExifData exifData;
qCritical() << "Caught Exiv2 exception '" << e.what();
//TODO Translate
return exifData;
}
}
void print(const std::string& file)
{
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
assert(image.get() != 0);
image->readMetadata();
Exiv2::ExifData &ed = image->exifData();
Exiv2::ExifData::const_iterator end = ed.end();
for (Exiv2::ExifData::const_iterator i = ed.begin(); i != end; ++i) {
std::cout << std::setw(45) << std::setfill(' ') << std::left
<< i->key() << " "
<< "0x" << std::setw(4) << std::setfill('0') << std::right
<< std::hex << i->tag() << " "
<< std::setw(12) << std::setfill(' ') << std::left
<< i->ifdName() << " "
<< 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";
}
}
int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
assert(image.get() != 0);
image->readMetadata();
const std::string& xmpPacket = image->xmpPacket();
if (xmpPacket.empty()) {
std::string error(argv[1]);
error += ": No XMP packet found in the file";
throw Exiv2::Error(1, error);
}
std::cout << xmpPacket << "\n";
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
bool ptImageHelper::TransferExif(const QString ASourceFile, const QString ATargetFile)
{
if (ASourceFile == ATargetFile ||
ASourceFile.trimmed().isEmpty() ||
ATargetFile.trimmed().isEmpty())
return false;
try {
if (Exiv2::ImageFactory::getType(ASourceFile.toLocal8Bit().data()) == Exiv2::ImageType::none)
return false;
Exiv2::Image::AutoPtr hSourceImage = Exiv2::ImageFactory::open(ASourceFile.toLocal8Bit().data());
if (!hSourceImage.get()) return false;
hSourceImage->readMetadata();
Exiv2::Image::AutoPtr hTargetImage = Exiv2::ImageFactory::open(ATargetFile.toLocal8Bit().data());
hTargetImage->clearMetadata();
hTargetImage->setMetadata(*hSourceImage);
hTargetImage->writeMetadata();
return true;
} catch (Exiv2::AnyError& Error) {
if (Settings->GetInt("JobMode") == 0) {
ptMessageBox::warning(0 ,"Exiv2 Error","No exif data written!\nCaught Exiv2 exception '" + QString(Error.what()) + "'\n");
} else {
std::cout << "Caught Exiv2 exception '" << Error << "'\n";
}
}
return false;
}
int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
assert(image.get() != 0);
image->readMetadata();
Exiv2::XmpData xmpData;
Exiv2::copyExifToXmp(image->exifData(), xmpData);
Exiv2::ExifData exifData;
Exiv2::copyXmpToExif(xmpData, exifData);
image->setXmpData(xmpData);
image->setExifData(exifData);
image->writeMetadata();
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
/** \fn ImageUtils::GetExifValue(const QString &, const QString &, bool *)
* \brief Reads and returns the value of an exif tag in a file
* \param fileName The filename that holds the exif data
* \param exifTag The key that shall be updated
* \param ok Will be set to true if the reading was ok, otherwise false
* \return The value of the exif tag or an empty string
*/
QString ImageUtils::GetExifValue(const QString &fileName,
const QString &exifTag,
bool *ok)
{
// Assume the exif reading fails
*ok = false;
// default value
QString value("");
try
{
Exiv2::Image::AutoPtr image =
Exiv2::ImageFactory::open(fileName.toLocal8Bit().constData());
if (image.get())
{
image->readMetadata();
Exiv2::ExifData &exifData = image->exifData();
if (!exifData.empty())
{
Exiv2::Exifdatum &datum =
exifData[exifTag.toLocal8Bit().constData()];
value = QString::fromStdString(datum.toString());
if (!value.isEmpty())
{
*ok = true;
}
else
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exiv2 error: No tag found, file %1, tag %2")
.arg(fileName).arg(exifTag));
}
}
else
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exiv2 error: No header, file %1, tag %2")
.arg(fileName).arg(exifTag));
}
}
else
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exiv2 error: Could not open file, file %1, tag %2")
.arg(fileName).arg(exifTag));
}
}
catch (Exiv2::Error& e)
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exiv2 exception %1, file %2, tag %3")
.arg(e.what()).arg(fileName).arg(exifTag));
}
return value;
}
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;
}
int RemoveGPSExif(const char* File, int NoChangeMtime)
{
struct stat statbuf;
struct stat statbuf2;
struct utimbuf utb;
if (NoChangeMtime)
stat(File, &statbuf);
// Open the file and start reading.
Exiv2::Image::AutoPtr Image;
try {
Image = Exiv2::ImageFactory::open(File);
} catch (Exiv2::Error e) {
DEBUGLOG("Failed to open file %s.\n", File);
return 0;
}
Image->readMetadata();
if (Image.get() == NULL)
{
// It failed if we got here.
DEBUGLOG("Failed to read file %s %s.\n",
File, Exiv2::strError().c_str());
return 0;
}
Exiv2::ExifData &ExifInfo = Image->exifData();
if (ExifInfo.count() == 0)
{
DEBUGLOG("No EXIF tags in file %s.\n", File);
return 0;
}
EraseGpsTags(ExifInfo);
try {
Image->writeMetadata();
} catch (Exiv2::Error e) {
DEBUGLOG("Failed to write to file %s.\n", File);
return 0;
}
if (NoChangeMtime)
{
stat(File, &statbuf2);
utb.actime = statbuf2.st_atime;
utb.modtime = statbuf.st_mtime;
utime(File, &utb);
}
return 1;
}
void RawParameters::loadCamXyzFromDng() {
// Try to load it from the DNG metadata
try {
const float d65_white[3] = { 0.950456f, 1.0f, 1.088754f };
double cc[4][4], xyz[] = { 1,1,1 };
for (int i = 0; i < 4; ++i) {
for (int j = 0; j < 4; ++j) {
cc[j][i] = i == j ? 1.0 : 0.0;
}
}
Exiv2::Image::AutoPtr src = Exiv2::ImageFactory::open(fileName.toLocal8Bit().constData());
src->readMetadata();
const Exiv2::ExifData & srcExif = src->exifData();
auto ccData = srcExif.findKey(Exiv2::ExifKey("Exif.Image.CameraCalibration1"));
if (ccData == srcExif.end()) {
ccData = srcExif.findKey(Exiv2::ExifKey("Exif.Image.CameraCalibration2"));
}
if (ccData != srcExif.end()) {
for (int i = 0; i < colors; ++i) {
for (int j = 0; j < colors; ++j) {
cc[i][j] = ccData->toFloat(i*colors + j);
}
}
}
auto xyzData = srcExif.findKey(Exiv2::ExifKey("Exif.Image.AsShotWhiteXY"));
if (xyzData != srcExif.end()) {
xyz[0] = xyzData->toFloat(0);
xyz[1] = xyzData->toFloat(1);
xyz[2] = 1.0 - xyz[0] - xyz[1];
for (int i = 0; i < 3; ++i) {
xyz[i] /= d65_white[i];
}
}
auto cmData = srcExif.findKey(Exiv2::ExifKey("Exif.Image.ColorMatrix1"));
if (cmData == srcExif.end()) {
cmData = srcExif.findKey(Exiv2::ExifKey("Exif.Image.ColorMatrix2"));
}
if (cmData != srcExif.end() && cmData->count() == 3*colors) {
for (int c = 0; c < colors; ++c) {
for (int i = 0; i < 3; ++i) {
camXyz[c][i] = 0.0;
for (int j = 0; j < colors; ++j) {
camXyz[c][i] += cc[c][j] * cmData->toFloat(j*3 + i) * xyz[i];
}
}
}
}
} catch (Exiv2::Error & e) {
Log::debug("Could not load camXyz values from metadata: ", e.what());
}
}
void Frame::save(std::string dir) {
std::string path = dir + "/" + id;
imwrite(path, *img);
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(path);
image->readMetadata();
Exiv2::ExifData &exifData = image->exifData();
std::stringstream ss;
ss << std::setprecision(12) << data.lat << " " << data.lon << " " << data.altitude << " " << data.heading << " " << data.time;
exifData["Exif.Photo.UserComment"] = ss.str();
image->writeMetadata();
}
char* ReadExifDate(const char* File, int* IncludesGPS)
{
// Open and read the file.
Exiv2::Image::AutoPtr Image;
try {
Image = Exiv2::ImageFactory::open(File);
} catch (Exiv2::Error e) {
DEBUGLOG("Failed to open file %s.\n", File);
return NULL;
}
Image->readMetadata();
if (Image.get() == NULL)
{
DEBUGLOG("Failed to read file %s %s.\n",
File, Exiv2::strError().c_str());
return NULL;
}
Exiv2::ExifData &ExifRead = Image->exifData();
// Read the tag out.
Exiv2::Exifdatum& Tag = ExifRead["Exif.Photo.DateTimeOriginal"];
// Check that the tag is not blank.
std::string Value = Tag.toString();
if (Value.length() == 0)
{
// No date/time stamp.
// Not good.
// Just return - above us will handle it.
return NULL;
}
// Copy the tag and return that.
char* Copy = strdup(Value.c_str());
// Check if we have GPS tags.
Exiv2::Exifdatum& GPSData = ExifRead["Exif.GPSInfo.GPSLatitude"];
if (GPSData.count() < 3)
{
// No valid GPS data.
*IncludesGPS = 0;
} else {
// Seems to include GPS data...
*IncludesGPS = 1;
}
// Now return, passing a pointer to the date string.
return Copy; // It's up to the caller to free this.
}
// Reads metadata from given file
Exiv2::ExifData *FlickrDownload::readExifData(QString file){
try{
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(
file.toStdString().c_str());
image->readMetadata();
Exiv2::ExifData *data = new Exiv2::ExifData();
*data = image->exifData();
return data;
} catch (Exiv2::Error& e) {
qCritical("[Filechooser] %s", e.what());
return 0;
}
}
bool KExiv2::loadFromData(const QByteArray& imgData) const
{
if (imgData.isEmpty())
return false;
try
{
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open((Exiv2::byte*)imgData.data(), imgData.size());
d->filePath.clear();
image->readMetadata();
// Size and mimetype ---------------------------------
d->pixelSize = QSize(image->pixelWidth(), image->pixelHeight());
d->mimeType = QString::fromLatin1(image->mimeType().c_str());
// Image comments ---------------------------------
d->imageComments() = image->comment();
// Exif metadata ----------------------------------
d->exifMetadata() = image->exifData();
// Iptc metadata ----------------------------------
d->iptcMetadata() = image->iptcData();
#ifdef _XMP_SUPPORT_
// Xmp metadata -----------------------------------
d->xmpMetadata() = image->xmpData();
#endif // _XMP_SUPPORT_
return true;
}
catch( Exiv2::Error& e )
{
d->printExiv2ExceptionError(QString::fromLatin1("Cannot load metadata using Exiv2 "), e);
}
catch(...)
{
qCCritical(LIBKEXIV2_LOG) << "Default exception from Exiv2";
}
return false;
}
NegativeProcessor* NegativeProcessor::createProcessor(AutoPtr<dng_host> &host, const char *filename) {
// -----------------------------------------------------------------------------------------
// Open and parse rawfile with libraw...
AutoPtr<LibRaw> rawProcessor(new LibRaw());
int ret = rawProcessor->open_file(filename);
if (ret != LIBRAW_SUCCESS) {
rawProcessor->recycle();
std::stringstream error; error << "LibRaw-error while opening rawFile: " << libraw_strerror(ret);
throw std::runtime_error(error.str());
}
ret = rawProcessor->unpack();
if (ret != LIBRAW_SUCCESS) {
rawProcessor->recycle();
std::stringstream error; error << "LibRaw-error while unpacking rawFile: " << libraw_strerror(ret);
throw std::runtime_error(error.str());
}
// -----------------------------------------------------------------------------------------
// ...and libexiv2
Exiv2::Image::AutoPtr rawImage;
try {
rawImage = Exiv2::ImageFactory::open(filename);
rawImage->readMetadata();
}
catch (Exiv2::Error& e) {
std::stringstream error; error << "Exiv2-error while opening/parsing rawFile (code " << e.code() << "): " << e.what();
throw std::runtime_error(error.str());
}
// -----------------------------------------------------------------------------------------
// Identify and create correct processor class
if (rawProcessor->imgdata.idata.dng_version != 0) {
try {return new DNGprocessor(host, rawProcessor.Release(), rawImage);}
catch (dng_exception &e) {
std::stringstream error; error << "Cannot parse source DNG-file (code " << e.ErrorCode() << ")";
throw std::runtime_error(error.str());
}
}
else if (!strcmp(rawProcessor->imgdata.idata.model, "ILCE-7"))
return new ILCE7processor(host, rawProcessor.Release(), rawImage);
else if (!strcmp(rawProcessor->imgdata.idata.make, "FUJIFILM"))
return new FujiProcessor(host, rawProcessor.Release(), rawImage);
return new VariousVendorProcessor(host, rawProcessor.Release(), rawImage);
}
bool ExifHasher::HashExif(const std::string& path,
unsigned char* sha1_hash) const {
FD fd;
sys_call_rv(fd, open, path.c_str(), O_RDONLY);
struct stat stat_buf;
sys_call(fstat, fd, &stat_buf);
void* memblock;
sys_call2_rv(NULL, memblock, mmap, NULL, stat_buf.st_size, PROT_READ,
MAP_PRIVATE, fd, 0);
auto bytes = static_cast<const unsigned char*>(memblock);
Exiv2::Image::AutoPtr image;
try {
image = Exiv2::ImageFactory::open(bytes, stat_buf.st_size);
} catch (const std::exception& e) {
std::cerr << "Error: " << e.what() << std::endl;
return false;
}
if (image.get() != 0)
image->readMetadata();
else
std::cerr << "Warning: EXIF not found in: " << path << std::endl;
sys_call(munmap, memblock, stat_buf.st_size);
fd.Close();
if (image.get() == 0)
return false;
const auto& exifData = image->exifData();
if (!exifData.empty()) {
std::ostringstream oss;
auto end = exifData.end();
for (auto i = exifData.begin(); i != end; ++i) {
// std::cerr << i->key() << " (" << i->count() << ")" << ": " <<
// i->value() << std::endl;
oss << i->key() << i->value();
}
const std::string& exif_str = oss.str();
SHA1(reinterpret_cast<const unsigned char*>(exif_str.c_str()),
exif_str.size(), sha1_hash);
return true;
} else {
std::cerr << "Warning: EXIF not found in: " << path << std::endl;
}
return false;
}
void ImageView::saveImage()
{
Exiv2::Image::AutoPtr image;
bool exifError = false;
if (newImage)
{
saveImageAs();
return;
}
setFeedback(tr("Saving..."));
try
{
image = Exiv2::ImageFactory::open(currentImageFullPath.toStdString());
image->readMetadata();
}
catch (Exiv2::Error &error)
{
exifError = true;
}
QImageReader imgReader(currentImageFullPath);
if (!displayPixmap.save(currentImageFullPath, imgReader.format().toUpper(),
GData::defaultSaveQuality))
{
QMessageBox msgBox;
msgBox.critical(this, tr("Error"), tr("Failed to save image."));
return;
}
if (!exifError)
{
try
{
image->writeMetadata();
}
catch (Exiv2::Error &error)
{
QMessageBox msgBox;
msgBox.critical(this, tr("Error"), tr("Failed to save Exif metadata."));
}
}
reload();
setFeedback(tr("Image saved."));
}
// uses the exiv2 class to readout the exifdata from images
int ExifScout::showExifData(std::string a){
try {
Ui_MainWindow::textEdit->clear();
std::cerr << "ImageFactory::open ";
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(a);
std::cerr << "DONE\n";
assert(image.get() != 0);
std::cerr << "image->readMetadata() ";
image->readMetadata();
std::cerr << "DONE\n";
std::cerr << "Exiv2::ExifData& exifData = image->exifData() ";
Exiv2::ExifData exifData = image->exifData();
std::cerr << "DONE\n";
cout << "Number of found exiv2 data: " << exifData.count() << endl;
if (exifData.empty()) {
Ui_MainWindow::textEdit->setPlainText("No Exif data found in file");
return 1;
}
Exiv2::ExifData::const_iterator end = exifData.end();
std::cerr << "Generate the exif-output ";
QString output;
for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
std::string tagname = i->tagName();
if(tagname != std::string("MakerNote") and
tagname.substr(0,2) != "0x"){
// Print out the exif-data in the QtextEdit Field
std::ostringstream oss;
oss << i->tagName() << ":\n " << i->value() << "\n";
output = output+(QString)oss.str().c_str();
}
}
std::cerr << "Done\n";
Ui_MainWindow::textEdit->setPlainText(output);
return 0;
}
//catch (std::exception& e) {
//catch (Exiv2::AnyError& e) {
catch (Exiv2::Error& e) {
std::cout << "Caught Exiv2 exception '" << e.what() << "'\n";
return -1;
}
}
int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
std::string file(argv[1]);
Exiv2::IptcData iptcData;
iptcData["Iptc.Application2.Headline"] = "The headline I am";
iptcData["Iptc.Application2.Keywords"] = "Yet another keyword";
iptcData["Iptc.Application2.DateCreated"] = "2004-8-3";
iptcData["Iptc.Application2.Urgency"] = uint16_t(1);
iptcData["Iptc.Envelope.ModelVersion"] = 42;
iptcData["Iptc.Envelope.TimeSent"] = "14:41:0-05:00";
iptcData["Iptc.Application2.RasterizedCaption"] = "230 42 34 2 90 84 23 146";
iptcData["Iptc.0x0009.0x0001"] = "Who am I?";
Exiv2::StringValue value;
value.read("very!");
iptcData["Iptc.Application2.Urgency"] = value;
std::cout << "Time sent: " << iptcData["Iptc.Envelope.TimeSent"] << "\n";
// Open image file
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
if (image.get() == 0) {
std::string error(file);
error += " : Could not read file or unknown image type";
throw Exiv2::Error(error);
}
// Read existing metdata (so that exif will be preserved)
int rc = image->readMetadata();
if (rc) {
std::string error = Exiv2::Image::strError(rc, file);
throw Exiv2::Error(error);
}
// Replace Iptc data and write it back to the file
image->setIptcData(iptcData);
return image->writeMetadata();
}
catch (Exiv2::Error& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
void ThumbView::updateExifInfo(QString imageFullPath)
{
Exiv2::Image::AutoPtr exifImage;
QString key;
QString val;
try {
exifImage = Exiv2::ImageFactory::open(imageFullPath.toStdString());
exifImage->readMetadata();
}
catch (Exiv2::Error &error) {
return;
}
Exiv2::ExifData &exifData = exifImage->exifData();
if (!exifData.empty()) {
Exiv2::ExifData::const_iterator end = exifData.end();
infoView->addTitleEntry("Exif");
for (Exiv2::ExifData::const_iterator md = exifData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
Exiv2::IptcData &iptcData = exifImage->iptcData();
if (!iptcData.empty()) {
Exiv2::IptcData::iterator end = iptcData.end();
infoView->addTitleEntry("IPTC");
for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
Exiv2::XmpData &xmpData = exifImage->xmpData();
if (!xmpData.empty()) {
Exiv2::XmpData::iterator end = xmpData.end();
infoView->addTitleEntry("XMP");
for (Exiv2::XmpData::iterator md = xmpData.begin(); md != end; ++md) {
key = QString::fromUtf8(md->tagName().c_str());
val = QString::fromUtf8(md->print().c_str());
infoView->addEntry(key, val);
}
}
}
// *****************************************************************************
// Main
int main(int argc, char* const argv[])
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
assert (image.get() != 0);
image->readMetadata();
Exiv2::ExifData &exifData = image->exifData();
/*
Exiv2 uses a CommentValue for Exif user comments. The format of the
comment string includes an optional charset specification at the beginning:
[charset=["]Ascii|Jis|Unicode|Undefined["] ]comment
Undefined is used as a default if the comment doesn't start with a charset
definition.
Following are a few examples of valid comments. The last one is written to
the file.
*/
exifData["Exif.Photo.UserComment"]
= "charset=\"Unicode\" An Unicode Exif comment added with Exiv2";
exifData["Exif.Photo.UserComment"]
= "charset=\"Undefined\" An undefined Exif comment added with Exiv2";
exifData["Exif.Photo.UserComment"]
= "Another undefined Exif comment added with Exiv2";
exifData["Exif.Photo.UserComment"]
= "charset=Ascii An ASCII Exif comment added with Exiv2";
std::cout << "Writing user comment '"
<< exifData["Exif.Photo.UserComment"]
<< "' back to the image\n";
image->writeMetadata();
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
void ImageView::saveImageAs()
{
Exiv2::Image::AutoPtr exifImage;
Exiv2::Image::AutoPtr newExifImage;
bool exifError = false;
setCursorHiding(false);
QString fileName = QFileDialog::getSaveFileName(this,
tr("Save image as"),
currentImageFullPath,
tr("Images") + " (*.jpg *.jpeg *.jpe *.png *.bmp *.ppm *.pgm *.pbm *.xbm *.xpm)");
if (!fileName.isEmpty()) {
try {
exifImage = Exiv2::ImageFactory::open(currentImageFullPath.toStdString());
exifImage->readMetadata();
}
catch (Exiv2::Error &error) {
exifError = true;
}
if (!displayPixmap.save(fileName, 0, GData::defaultSaveQuality)) {
QMessageBox msgBox;
msgBox.critical(this, tr("Error"), tr("Failed to save image."));
} else {
if (!exifError) {
try {
newExifImage = Exiv2::ImageFactory::open(fileName.toStdString());
newExifImage->setMetadata(*exifImage);
newExifImage->writeMetadata();
}
catch (Exiv2::Error &error) {
exifError = true;
}
}
setFeedback(tr("Image saved."));
}
}
if (mainWindow->isFullScreen()) {
setCursorHiding(true);
}
}
int ImgTagJson::literal()
{
Exiv2::Image::AutoPtr image;
try
{
image = Exiv2::ImageFactory::open(fname);
}
catch (Exiv2::Error& e)
{
cerr << "Invalid file: " << fname << endl;
return 6;
}
if (image.get() == 0) return 1;
image->readMetadata();
JSONNODE *l = json_new(JSON_NODE);
if (exif)
{
JSONNODE *e = this->genLitExif(image);
if (e != NULL) json_push_back(l, e);
}
if (iptc)
{
JSONNODE *i = this->genLitIptc(image);
if (i != NULL) json_push_back(l, i);
}
if (xmp)
{
JSONNODE *x = this->genLitXmp(image);
if (x != NULL) json_push_back(l, x);
}
JSONNODE *chksum = getChkSum();
if (chksum != NULL)
json_push_back(l, chksum);
cout << json_write_formatted(l) << endl;
json_delete(l);
return 0;
}
void ExifTools::copyExif(const QString &sourceStr, const QString &destStr)
{
Exiv2::Image::AutoPtr sourceImageData =
Exiv2::ImageFactory::open(QFile::encodeName(sourceStr).data());
sourceImageData->readMetadata();
Exiv2::ExifData exifData = sourceImageData->exifData();
Exiv2::IptcData iptcData = sourceImageData->iptcData();
Exiv2::ExifThumb exifThumb(exifData);
exifThumb.erase();
Exiv2::Image::AutoPtr destImageData =
Exiv2::ImageFactory::open(QFile::encodeName(destStr).data());
destImageData->setExifData(exifData);
destImageData->setIptcData(iptcData);
destImageData->writeMetadata();
}
bool ImageTags::writeTagsToImage(QString &imageFileName, QSet<QString> &newTags)
{
QSet<QString> imageTags;
Exiv2::Image::AutoPtr exifImage;
try {
exifImage = Exiv2::ImageFactory::open(imageFileName.toStdString());
exifImage->readMetadata();
Exiv2::IptcData newIptcData;
/* copy existing data */
Exiv2::IptcData &iptcData = exifImage->iptcData();
if (!iptcData.empty()) {
QString key;
Exiv2::IptcData::iterator end = iptcData.end();
for (Exiv2::IptcData::iterator iptcIt = iptcData.begin(); iptcIt != end; ++iptcIt) {
if (iptcIt->tagName() != "Keywords") {
newIptcData.add(*iptcIt);
}
}
}
/* add new tags */
QSetIterator<QString> newTagsIt(newTags);
while (newTagsIt.hasNext()) {
QString tag = newTagsIt.next();
Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::string);
value->read(tag.toStdString());
Exiv2::IptcKey key("Iptc.Application2.Keywords");
newIptcData.add(key, value.get());
}
exifImage->setIptcData(newIptcData);
exifImage->writeMetadata();
}
catch (Exiv2::Error &error) {
QMessageBox msgBox;
msgBox.critical(this, tr("Error"), tr("Failed to save tags to ") + imageFileName);
return false;
}
return true;
}
// Returns empty string if the destination subdirectory could not be determined
// for the supplied source file.
std::string build_dest(const fs::path &source_file)
{
std::string dest;
Exiv2::Image::AutoPtr image;
try {
image = Exiv2::ImageFactory::open(source_file.string());
image->readMetadata();
}
catch(const Exiv2::AnyError&) {
// No metadata, let things continue to try file info
}
std::vector<PathPart>::iterator iter = g_path_parts.begin();
std::vector<PathPart>::iterator end = g_path_parts.end();
for( ; iter != end; ++iter) {
dest += iter->pre;
std::string result;
const Pattern *pat = iter->pat;
for(unsigned fx = 0; fx < g_run_order.size(); ++fx) {
if(g_run_order[fx] != -1 && pat->funcs[g_run_order[fx]]) {
if(g_run_order[fx] == FILE_SLOT) {
// Always run file operations
result = pat->funcs[g_run_order[fx]](image.get(), source_file);
}
else if(image.get()) {
// No point in running metadata operations without an image
result = pat->funcs[g_run_order[fx]](image.get(), source_file);
}
if(result.length())
break;
}
}
// If we found no data, even for part of pattern, give up and
// return no destination
if(!result.length())
return result;
dest += (result + iter->post);
}
return dest;
}
static gfloat
expcombine_get_file_ev (const gchar *path)
{
/* Open the file and read in the metadata */
Exiv2::Image::AutoPtr image;
try
{
image = Exiv2::ImageFactory::open (path);
image->readMetadata ();
}
catch (Exiv2::Error ex)
{
g_print ("Error: unable to read metadata from path: '%s'\n", path);
exit (EXIT_FAILURE);
}
Exiv2::ExifData &exifData = image->exifData ();
if (exifData.empty ())
return NAN;
/* Calculate the APEX brightness / EV */
gfloat time, aperture, gain = 1.0f;
time = exifData["Exif.Photo.ExposureTime"].value().toFloat();
aperture = exifData["Exif.Photo.FNumber" ].value().toFloat();
/* iso */
try
{
gain = exifData["Exif.Photo.ISOSpeedRatings"].value().toLong() / 100.0f;
}
catch (Exiv2::Error ex)
{
// Assume ISO is set at 100. It's reasonably likely that the ISO is the
// same across all images anyway, and for our purposes the relative
// values can be sufficient.
gain = 1.0f;
}
return log2f (aperture * aperture) + log2f (1 / time) + log2f (gain);
}
// tries to find a specified exif tag in a specified file
QString ExifScout::getExifData(QString fname, QString etag){
std::string filename = fname.toAscii().data();
std::string exiftag = etag.toAscii().data();
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(filename);
assert(image.get() != 0);
image->readMetadata();
Exiv2::ExifData exifData = image->exifData();
if (!exifData.empty()) {
Exiv2::ExifData::const_iterator end = exifData.end();
QString output;
for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
if(i->tagName()==exiftag){
std::ostringstream oss;
oss << i->value();
return (QString)oss.str().c_str();
}
}
}
return NULL;
}
