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#include <iostream>
#include <memory>
#include <cstdint>
#include <cstring>
#include "libics.hpp"
int main(int argc, const char* argv[]) {
if (argc != 2) {
std::cerr << "One file name required\n";
exit(-1);
}
try {
// Open image for update
ics::ICS ip(argv[1], "rw");
auto layout = ip.GetLayout();
std::size_t bufsize = ip.GetDataSize();
std::unique_ptr<std::uint8_t[]> buf1{new std::uint8_t[bufsize]};
ip.GetData(buf1.get(), bufsize);
// Add and change metadata
ip.SetPosition(0, {5.7, 1.3, "m"});
ip.SetPosition(1, {-8.2, 1.2, "meter"});
ip.DeleteHistory();
ip.AddHistoryString("testcpp", "Adding history line.");
// Commit changes
ip.Close();
// Read image
ip.Open(argv[1], "r");
// Check metadata
auto units = ip.GetPosition(0);
if (units.origin != 5.7 || units.scale != 1.3 || units.units != "m") {
std::cerr << "Different position metadata read back\n";
exit(-1);
}
units = ip.GetPosition(1);
if (units.origin != -8.2 || units.scale != 1.2 || units.units != "meter") {
std::cerr << "Different position metadata read back\n";
exit(-1);
}
auto it = ip.NewHistoryIterator();
auto pair = it.KeyValue();
if (pair.key != "testcpp" || pair.value != "Adding history line.") {
std::cerr << "Different history key/value pair read back\n";
exit(-1);
}
// Check pixel data
if (bufsize != ip.GetDataSize()) {
std::cerr << "Data in output file not same size as written.\n";
exit(-1);
}
std::unique_ptr<std::uint8_t[]> buf2{new std::uint8_t[bufsize]};
ip.GetData(buf2.get(), bufsize);
ip.Close();
if (memcmp(buf1.get(), buf2.get(), bufsize) != 0) {
std::cerr << "Data in output file does not match data in input.\n";
exit(-1);
}
} catch (std::exception const& e) {
std::cerr << "Exception thrown in libics: " << e.what() << '\n';
exit(-1);
}
}
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