ExifData::const_iterator afPoint(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonPi.AFPointsUsed",
"Exif.CanonPi.AFPointsUsed20D",
"Exif.CanonSi.AFPointUsed",
"Exif.CanonCs.AFPoint",
"Exif.MinoltaCs7D.AFPoints",
"Exif.Nikon1.AFFocusPos",
"Exif.NikonAf.AFPoint",
"Exif.NikonAf.AFPointsInFocus",
"Exif.NikonAf2.AFPointsUsed",
"Exif.NikonAf2.PrimaryAFPoint",
"Exif.OlympusFi.AFPoint",
"Exif.Pentax.AFPoint",
"Exif.Pentax.AFPointInFocus",
"Exif.PentaxDng.AFPoint",
"Exif.PentaxDng.AFPointInFocus",
"Exif.Sony1Cs.LocalAFAreaPoint",
"Exif.Sony2Cs.LocalAFAreaPoint",
"Exif.Sony1Cs2.LocalAFAreaPoint",
"Exif.Sony2Cs2.LocalAFAreaPoint",
"Exif.Sony1MltCsA100.LocalAFAreaPoint",
"Exif.Casio.AFPoint",
"Exif.Casio2.AFPointPosition"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator model(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Image.Model"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator whiteBalance(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonSi.WhiteBalance",
"Exif.Fujifilm.WhiteBalance",
"Exif.Sigma.WhiteBalance",
"Exif.Nikon1.WhiteBalance",
"Exif.Nikon2.WhiteBalance",
"Exif.Nikon3.WhiteBalance",
"Exif.Olympus.WhiteBalance",
"Exif.OlympusCs.WhiteBalance",
"Exif.Panasonic.WhiteBalance",
"Exif.MinoltaCs5D.WhiteBalance",
"Exif.MinoltaCs7D.WhiteBalance",
"Exif.MinoltaCsNew.WhiteBalance",
"Exif.MinoltaCsOld.WhiteBalance",
"Exif.Minolta.WhiteBalance",
"Exif.Sony1MltCsA100.WhiteBalance",
"Exif.SonyMinolta.WhiteBalance",
"Exif.Sony1.WhiteBalance",
"Exif.Sony2.WhiteBalance",
"Exif.Sony1.WhiteBalance2",
"Exif.Sony2.WhiteBalance2",
"Exif.Photo.WhiteBalance"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator imageQuality(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonCs.Quality",
"Exif.Fujifilm.Quality",
"Exif.Sigma.Quality",
"Exif.Nikon1.Quality",
"Exif.Nikon2.Quality",
"Exif.Nikon3.Quality",
"Exif.Olympus.Quality",
"Exif.OlympusCs.Quality",
"Exif.Panasonic.Quality",
"Exif.Minolta.Quality",
"Exif.MinoltaCsNew.Quality",
"Exif.MinoltaCsOld.Quality",
"Exif.MinoltaCs5D.Quality",
"Exif.MinoltaCs7D.Quality",
"Exif.Sony1MltCsA100.Quality",
"Exif.Sony1.JPEGQuality",
"Exif.Sony1.Quality",
"Exif.Sony1Cs.Quality",
"Exif.Sony2.JPEGQuality",
"Exif.Sony2.Quality",
"Exif.Sony2Cs.Quality"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator exposureTime(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.ExposureTime",
"Exif.Image.ExposureTime"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator sceneCaptureType(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.SceneCaptureType",
"Exif.Olympus.SpecialMode"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator fNumber(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.FNumber",
"Exif.Image.FNumber"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator meteringMode(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.MeteringMode",
"Exif.Image.MeteringMode",
"Exif.CanonCs.MeteringMode"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator orientation(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Image.Orientation",
"Exif.Panasonic.Rotation",
"Exif.MinoltaCs5D.Rotation",
"Exif.MinoltaCs7D.Rotation"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator flashBias(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonSi.FlashBias",
"Exif.Panasonic.FlashBias",
"Exif.Olympus.FlashBias",
"Exif.OlympusCs.FlashExposureComp"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator lensName(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonCs.LensType",
"Exif.NikonLd1.LensIDNumber",
"Exif.NikonLd2.LensIDNumber",
"Exif.NikonLd3.LensIDNumber",
"Exif.Minolta.LensID",
"Exif.Pentax.LensType"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator macroMode(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonCs.Macro",
"Exif.Fujifilm.Macro",
"Exif.Olympus.Macro",
"Exif.OlympusCs.MacroMode",
"Exif.Panasonic.Macro",
"Exif.MinoltaCsNew.MacroMode",
"Exif.MinoltaCsOld.MacroMode"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator sceneMode(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonCs.EasyMode",
"Exif.Fujifilm.PictureMode",
"Exif.MinoltaCsNew.SubjectProgram",
"Exif.OlympusCs.SceneMode",
"Exif.Panasonic.ShootingMode",
"Exif.Panasonic.SceneMode",
"Exif.Pentax.PictureMode"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator focalLength(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.FocalLength",
"Exif.Image.FocalLength",
"Exif.Canon.FocalLength",
"Exif.NikonLd2.FocalLength",
"Exif.NikonLd3.FocalLength",
"Exif.MinoltaCsNew.FocalLength",
"Exif.Pentax.FocalLength"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator serialNumber(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Image.CameraSerialNumber",
"Exif.Canon.SerialNumber",
"Exif.Nikon3.SerialNumber",
"Exif.Nikon3.SerialNO",
"Exif.Fujifilm.SerialNumber",
"Exif.Olympus.SerialNumber2",
"Exif.Sigma.SerialNumber"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator exposureMode(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.ExposureProgram",
"Exif.Image.ExposureProgram",
"Exif.CanonCs.ExposureProgram",
"Exif.MinoltaCs7D.ExposureMode",
"Exif.MinoltaCs5D.ExposureMode",
"Exif.MinoltaCsNew.ExposureMode",
"Exif.MinoltaCsOld.ExposureMode",
"Exif.Sigma.ExposureMode"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator subjectDistance(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.SubjectDistance",
"Exif.Image.SubjectDistance",
"Exif.CanonSi.SubjectDistance",
"Exif.MinoltaCsNew.FocusDistance",
"Exif.Nikon1.FocusDistance",
"Exif.Nikon3.FocusDistance",
"Exif.NikonLd2.FocusDistance",
"Exif.NikonLd3.FocusDistance",
"Exif.Olympus.FocusDistance",
"Exif.OlympusFi.FocusDistance"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator isoSpeed(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.ISOSpeedRatings",
"Exif.Image.ISOSpeedRatings",
"Exif.CanonSi.ISOSpeed",
"Exif.CanonCs.ISOSpeed",
"Exif.Nikon1.ISOSpeed",
"Exif.Nikon2.ISOSpeed",
"Exif.Nikon3.ISOSpeed",
"Exif.NikonIi.ISO",
"Exif.NikonIi.ISO2",
"Exif.MinoltaCsNew.ISOSetting",
"Exif.MinoltaCsOld.ISOSetting",
"Exif.MinoltaCs5D.ISOSpeed",
"Exif.MinoltaCs7D.ISOSpeed",
"Exif.Sony1Cs.ISOSetting",
"Exif.Sony2Cs.ISOSetting",
"Exif.Sony1Cs2.ISOSetting",
"Exif.Sony2Cs2.ISOSetting",
"Exif.Sony1MltCsA100.ISOSetting",
"Exif.Pentax.ISO",
"Exif.PentaxDng.ISO",
"Exif.Olympus.ISOSpeed",
"Exif.Samsung2.ISO",
"Exif.Casio.ISO",
"Exif.Casio2.ISO",
"Exif.Casio2.ISOSpeed"
};
// Find the first ISO value which is not "0"
const int cnt = EXV_COUNTOF(keys);
ExifData::const_iterator md = ed.end();
for (int idx = 0; idx < cnt; ) {
md = findMetadatum(ed, keys + idx, cnt - idx);
if (md == ed.end()) break;
std::ostringstream os;
md->write(os, &ed);
bool ok = false;
long v = parseLong(os.str(), ok);
if (ok && v != 0) break;
while (strcmp(keys[idx++], md->key().c_str()) != 0 && idx < cnt) {}
md = ed.end();
}
return md;
}
ExifData::const_iterator contrast(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.Contrast",
"Exif.CanonCs.Contrast",
"Exif.Fujifilm.Tone",
"Exif.MinoltaCsNew.Contrast",
"Exif.MinoltaCsOld.Contrast",
"Exif.MinoltaCs7D.Contrast",
"Exif.MinoltaCs5D.Contrast",
"Exif.Olympus.Contrast",
"Exif.Panasonic.Contrast",
"Exif.Pentax.Contrast",
"Exif.Sigma.Contrast"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator sharpness(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.Sharpness",
"Exif.CanonCs.Sharpness",
"Exif.Fujifilm.Sharpness",
"Exif.MinoltaCsNew.Sharpness",
"Exif.MinoltaCsOld.Sharpness",
"Exif.MinoltaCs7D.Sharpness",
"Exif.MinoltaCs5D.Sharpness",
"Exif.Olympus.SharpnessFactor",
"Exif.Panasonic.Sharpness",
"Exif.Pentax.Sharpness",
"Exif.Sigma.Sharpness"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator saturation(const ExifData& ed)
{
static const char* keys[] = {
"Exif.Photo.Saturation",
"Exif.CanonCs.Saturation",
"Exif.MinoltaCsNew.Saturation",
"Exif.MinoltaCsOld.Saturation",
"Exif.MinoltaCs7D.Saturation",
"Exif.MinoltaCs5D.Saturation",
"Exif.Fujifilm.Color",
"Exif.Nikon3.Saturation",
"Exif.Panasonic.Saturation",
"Exif.Pentax.Saturation",
"Exif.Sigma.Saturation"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator lensName(const ExifData& ed)
{
static const char* keys[] = {
"Exif.CanonCs.LensType",
"Exif.NikonLd1.LensIDNumber",
"Exif.NikonLd2.LensIDNumber",
"Exif.NikonLd3.LensIDNumber",
"Exif.Pentax.LensType",
"Exif.Minolta.LensID",
"Exif.SonyMinolta.LensID",
"Exif.Sony1.LensID",
"Exif.Sony2.LensID",
"Exif.OlympusEq.LensModel",
"Exif.Panasonic.LensType",
"Exif.Samsung2.LensType"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
ExifData::const_iterator lensName(const ExifData& ed)
{
static const char* keys[] = {
// Exif.Canon.LensModel only reports focal length.
// Try Exif.CanonCs.LensType first.
"Exif.CanonCs.LensType",
"Exif.Photo.LensModel",
"Exif.NikonLd1.LensIDNumber",
"Exif.NikonLd2.LensIDNumber",
"Exif.NikonLd3.LensIDNumber",
"Exif.Pentax.LensType",
"Exif.PentaxDng.LensType",
"Exif.Minolta.LensID",
"Exif.SonyMinolta.LensID",
"Exif.Sony1.LensID",
"Exif.Sony2.LensID",
"Exif.OlympusEq.LensType",
"Exif.Panasonic.LensType",
"Exif.Samsung2.LensType"
};
return findMetadatum(ed, keys, EXV_COUNTOF(keys));
}
int main()
{
std::cout << std::setfill(' ');
std::cout << std::setw(12) << std::left << "string";
std::cout << std::setw(12) << std::left << "long";
std::cout << std::setw(12) << std::left << "float";
std::cout << std::setw(12) << std::left << "Rational";
std::cout << std::endl;
for (unsigned int i = 0; i < EXV_COUNTOF(testcases); ++i) try {
std::string s(testcases[i]);
std::cout << std::setw(12) << std::left << s;
bool ok;
long l = Exiv2::parseLong(s, ok);
std::cout << std::setw(12) << std::left;
if (ok) std::cout << l; else std::cout << "nok";
float f = Exiv2::parseFloat(s, ok);
std::cout << std::setw(12) << std::left;
if (ok) std::cout << f; else std::cout << "nok";
Exiv2::Rational r = Exiv2::parseRational(s, ok);
if (ok) std::cout << r.first << "/" << r.second;
else std::cout << "nok";
std::cout << std::endl;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
return 0;
}