// ***************************************************************** -*- C++ -*-
/*
Abstract : ExifData write unit tests
Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
Test procedure:
$ rm -f test.jpg thumb.jpg iii ttt;
$ ./exifprint ../test/img_1771.jpg > iii;
$ cp ../test/img_1771.jpg ./test.jpg;
$ ./makernote-test2 ../test/img_1771.jpg > ttt;
$ diff iii ttt
*/
// *****************************************************************************
// included header files
#include <exiv2/exiv2.hpp>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <string>
#include <utility>
#include <cassert>
// *****************************************************************************
// local declarations
using namespace Exiv2;
void testCase(const std::string& file1,
const std::string& file2,
const std::string& thumb,
const std::string& key,
const std::string& value);
void exifPrint(const ExifData& exifData);
// *****************************************************************************
// Main
int main(int argc, char* const argv[])
{
Exiv2::XmpParser::initialize();
::atexit(Exiv2::XmpParser::terminate);
try {
if (argc != 3) {
std::cout << "Usage: write-test file case\n\n"
<< "where case is an integer between 1 and 11\n";
return 1;
}
std::string testFile = argv[1];
std::istringstream iss(argv[2]);
int testNo;
iss >> testNo;
int rc = 0;
switch (testNo) {
case 1:
std::cerr << "Case 1: ";
std::cerr << "Non-intrusive change to the standard Exif metadata\n";
testCase(testFile, "test1.jpg", "thumb1",
"Exif.Photo.DateTimeOriginal",
"1999:11:22 00:11:22");
break;
case 2:
std::cerr << "Case 2: ";
std::cerr << "Non-intrusive change to the makernote metadata\n";
testCase(testFile, "test2.jpg", "thumb2",
"Exif.Canon.OwnerName",
"Chan YeeSend");
break;
case 3:
std::cerr << "Case 3: ";
std::cerr << "Non-intrusive change to the Exif metadata (w/o makernote)\n";
testCase(testFile, "test3.jpg", "thumb3",
"Exif.Photo.DateTimeOriginal",
"1999:11:22 00:11:22");
break;
case 4:
std::cerr << "Case 4: ";
std::cerr << "Intrusive change to the standard Exif metadata\n";
testCase(testFile, "test4.jpg", "thumb4",
"Exif.Photo.DateTimeOriginal",
"1999:11:22 00:11:22 and twenty seconds");
break;
case 5:
std::cerr << "Case 5: ";
std::cerr << "Intrusive change to the Canon makernote metadata\n";
testCase(testFile, "test5.jpg", "thumb5",
"Exif.Canon.OwnerName",
"Frau Chan YeeSend und Herr Andreas Huggel");
break;
case 6:
std::cerr << "Case 6: ";
std::cerr << "Intrusive change to the Exif metadata (w/o makernote)\n";
testCase(testFile, "test6.jpg", "thumb6",
"Exif.Photo.DateTimeOriginal",
"1999:11:22 00:11:22 and twenty seconds");
break;
case 7:
std::cerr << "Case 7: ";
std::cerr << "Intrusive change to the Fujifilm makernote metadata\n";
testCase(testFile, "test7.jpg", "thumb7",
"Exif.Fujifilm.Quality",
"Typical Fujifilm Quality");
break;
case 8:
std::cerr << "Case 8: ";
std::cerr << "Intrusive change to the Sigma makernote metadata\n";
testCase(testFile, "test8.jpg", "thumb8",
"Exif.Sigma.ResolutionMode",
"Sigma HI resolution");
break;
case 9:
std::cerr << "Case 9: ";
std::cerr << "Intrusive change to the Nikon1 makernote metadata\n";
testCase(testFile, "test9.jpg", "thumb9",
"Exif.Nikon1.Quality",
"Typical Nikon1 Quality");
break;
case 10:
std::cerr << "Case 10: ";
std::cerr << "Intrusive change to the Nikon2 makernote metadata\n";
testCase(testFile, "test10.jpg", "thumb10",
"Exif.Nikon2.0x0002",
"Nikon2 Version 2");
break;
case 11:
std::cerr << "Case 11: ";
std::cerr << "Intrusive change to the Nikon3 makernote metadata\n";
testCase(testFile, "test11.jpg", "thumb11",
"Exif.Nikon3.Quality",
"Typical Nikon3 Quality");
break;
// ToDo: Erase Sigma thumbnail
// ToDo: Write to a broken (truncated) IFD entry
default:
std::cout << "Usage: exiftest file case\n\n"
<< "where case is an integer between 1 and 11\n";
rc = 1;
break;
}
return rc;
}
catch (AnyError& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return 1;
}
}
// *****************************************************************************
void testCase(const std::string& file1,
const std::string& file2,
const std::string& thumb,
const std::string& key,
const std::string& value)
{
ExifKey ek(key);
//Open first image
Image::AutoPtr image1 = ImageFactory::open(file1);
assert(image1.get() != 0);
// Load existing metadata
std::cerr << "---> Reading file " << file1 << "\n";
image1->readMetadata();
Exiv2::ExifData &ed1 = image1->exifData();
std::cerr << "---> Modifying Exif data\n";
Exiv2::ExifData::iterator pos = ed1.findKey(ek);
if (pos == ed1.end()) {
throw Error(kerErrorMessage, "Metadatum with key = " + ek.key() + " not found");
}
pos->setValue(value);
// Open second image
Image::AutoPtr image2 = ImageFactory::open(file2);
assert(image2.get() != 0);
image2->setExifData(image1->exifData());
std::cerr << "---> Writing Exif data to file " << file2 << "\n";
image2->writeMetadata();
std::cerr << "---> Reading file " << file2 << "\n";
image2->readMetadata();
Exiv2::ExifData &ed2 = image2->exifData();
exifPrint(ed2);
std::cerr << "---> Writing Exif thumbnail to file " << thumb << ".*\n";
ExifThumbC et2(ed2);
et2.writeFile(thumb);
}
// *****************************************************************************
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";
}
}