You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
4.2 KiB
C++
101 lines
4.2 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
// Tester application for testing remote i/o.
|
|
// It makes some modifications on the metadata of remote file, reads new metadata from that file
|
|
// and reset the metadata back to the original status.
|
|
|
|
#include <exiv2/exiv2.hpp>
|
|
#include <iomanip>
|
|
#include <iostream>
|
|
|
|
int main(int argc, char* const argv[]) {
|
|
try {
|
|
Exiv2::XmpParser::initialize();
|
|
::atexit(Exiv2::XmpParser::terminate);
|
|
|
|
if (argc < 2) {
|
|
std::cout << "Usage: " << argv[0] << " file {--nocurl | --curl}\n\n";
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
bool useCurlFromExiv2TestApps = true;
|
|
for (int a = 1; a < argc; a++) {
|
|
std::string arg(argv[a]);
|
|
if (arg == "--nocurl")
|
|
useCurlFromExiv2TestApps = false;
|
|
else if (arg == "--curl")
|
|
useCurlFromExiv2TestApps = true;
|
|
}
|
|
|
|
std::string file(argv[1]);
|
|
|
|
// set/add metadata
|
|
std::cout << "Modify the metadata ...\n";
|
|
Exiv2::ExifData exifData;
|
|
exifData["Exif.Photo.UserComment"] = "Hello World"; // AsciiValue
|
|
exifData["Exif.Image.Software"] = "Exiv2"; // AsciiValue
|
|
exifData["Exif.Image.Copyright"] = "Exiv2"; // AsciiValue
|
|
exifData["Exif.Image.Make"] = "Canon"; // AsciiValue
|
|
exifData["Exif.Canon.OwnerName"] = "Tuan"; // UShortValue
|
|
exifData["Exif.CanonCs.LensType"] = static_cast<uint16_t>(65535); // LongValue
|
|
Exiv2::Value::UniquePtr v = Exiv2::Value::create(Exiv2::asciiString);
|
|
v->read("2013:06:09 14:30:30");
|
|
Exiv2::ExifKey key("Exif.Image.DateTime");
|
|
exifData.add(key, v.get());
|
|
|
|
auto writeTest = Exiv2::ImageFactory::open(file, useCurlFromExiv2TestApps);
|
|
writeTest->setExifData(exifData);
|
|
writeTest->writeMetadata();
|
|
|
|
// read the result to make sure everything fine
|
|
std::cout << "Print out the new metadata ...\n";
|
|
auto readTest = Exiv2::ImageFactory::open(file, useCurlFromExiv2TestApps);
|
|
readTest->readMetadata();
|
|
Exiv2::ExifData& exifReadData = readTest->exifData();
|
|
if (exifReadData.empty()) {
|
|
std::string error(argv[1]);
|
|
error += ": No Exif data found in the file";
|
|
throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, error);
|
|
}
|
|
for (const auto& i : exifReadData) {
|
|
const char* tn = i.typeName();
|
|
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 << (tn ? tn : "Unknown") << " " << std::dec << std::setw(3)
|
|
<< std::setfill(' ') << std::right << i.count() << " " << std::dec << i.value() << "\n";
|
|
}
|
|
|
|
// del, reset the metadata
|
|
std::cout << "Reset ...\n";
|
|
exifReadData["Exif.Photo.UserComment"] = "Have a nice day"; // AsciiValue
|
|
exifReadData["Exif.Image.Software"] = "Exiv2.org"; // AsciiValue
|
|
exifReadData["Exif.Image.Copyright"] = "Exiv2.org"; // AsciiValue
|
|
key = Exiv2::ExifKey("Exif.Image.Make");
|
|
auto pos = exifReadData.findKey(key);
|
|
if (pos == exifReadData.end())
|
|
throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Exif.Image.Make not found");
|
|
exifReadData.erase(pos);
|
|
key = Exiv2::ExifKey("Exif.Image.DateTime");
|
|
pos = exifReadData.findKey(key);
|
|
if (pos == exifReadData.end())
|
|
throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Exif.Image.DateTime not found");
|
|
exifReadData.erase(pos);
|
|
key = Exiv2::ExifKey("Exif.Canon.OwnerName");
|
|
pos = exifReadData.findKey(key);
|
|
if (pos == exifReadData.end())
|
|
throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Exif.Canon.OwnerName not found");
|
|
exifReadData.erase(pos);
|
|
key = Exiv2::ExifKey("Exif.CanonCs.LensType");
|
|
pos = exifReadData.findKey(key);
|
|
if (pos == exifReadData.end())
|
|
throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, "Exif.CanonCs.LensType not found");
|
|
exifReadData.erase(pos);
|
|
readTest->setExifData(exifReadData);
|
|
readTest->writeMetadata();
|
|
|
|
return EXIT_SUCCESS;
|
|
} catch (Exiv2::Error& e) {
|
|
std::cout << "Caught Exiv2 exception '" << e << "'\n";
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|