1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// SPDX-License-Identifier: GPL-2.0-or-later
#include <exiv2/exiv2.hpp>
#include <iostream>
// *****************************************************************************
// 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 EXIT_FAILURE;
}
std::string testFile = argv[1];
std::istringstream iss(argv[2]);
int testNo = 0;
iss >> testNo;
int rc = EXIT_SUCCESS;
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 = EXIT_FAILURE;
break;
}
return rc;
} catch (Error& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return EXIT_FAILURE;
}
}
// *****************************************************************************
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
auto image1 = ImageFactory::open(file1);
// Load existing metadata
std::cerr << "---> Reading file " << file1 << "\n";
image1->readMetadata();
Exiv2::ExifData& ed1 = image1->exifData();
std::cerr << "---> Modifying Exif data\n";
auto pos = ed1.findKey(ek);
if (pos == ed1.end()) {
throw Error(ErrorCode::kerErrorMessage, "Metadatum with key = " + ek.key() + " not found");
}
pos->setValue(value);
// Open second image
auto image2 = ImageFactory::open(file2);
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);
auto s = et2.writeFile(thumb);
if (s == 0)
std::cerr << "---> Failed to write to file " << thumb << ".*\n";
}
// *****************************************************************************
void exifPrint(const ExifData& exifData) {
auto 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";
}
}
|
