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EXR: added support for additional metadata

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Mirco Miranda
2026-06-26 08:15:14 +02:00
parent 23e6195b9f
commit e6bc1af5e4
3 changed files with 75 additions and 1 deletions
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42
src/imageformats/exr.cpp
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@@ -365,6 +365,20 @@ static void readMetadata(const Imf::Header &header, QImage &image)
if (auto serial = header.findTypedAttribute<Imf::StringAttribute>("lensSerialNumber")) {
image.setText(QStringLiteral(META_KEY_LENS_SERIALNUMBER), QString::fromStdString(serial->value()));
}
// shot metadata
if (auto isoSpeed = header.findTypedAttribute<Imf::FloatAttribute>("isoSpeed")) {
image.setText(QStringLiteral(META_KEY_ISOSPEEDRATINGS), QLocale::c().toString(qRound(isoSpeed->value())));
}
if (auto expTime = header.findTypedAttribute<Imf::FloatAttribute>("expTime")) {
image.setText(QStringLiteral(META_KEY_EXPOSURETIME), QLocale::c().toString(expTime->value()));
}
if (auto aperture = header.findTypedAttribute<Imf::FloatAttribute>("aperture")) {
image.setText(QStringLiteral(META_KEY_FNUMBER), QLocale::c().toString(aperture->value()));
}
if (auto focalLen = header.findTypedAttribute<Imf::FloatAttribute>("effectiveFocalLength")) {
image.setText(QStringLiteral(META_KEY_FOCALLENGTH), QLocale::c().toString(focalLen->value()));
}
}
/*!
@@ -587,6 +601,34 @@ static void setMetadata(const QImage &image, Imf::Header &header)
if (!key.compare(QStringLiteral(META_KEY_LENS_SERIALNUMBER), Qt::CaseInsensitive)) {
header.insert("lensSerialNumber", Imf::StringAttribute(text.toStdString()));
}
if (!key.compare(QStringLiteral(META_KEY_ISOSPEEDRATINGS), Qt::CaseInsensitive)) {
auto ok = false;
auto value = QLocale::c().toFloat(text, &ok);
if (ok) {
header.insert("isoSpeed", Imf::FloatAttribute(value));
}
}
if (!key.compare(QStringLiteral(META_KEY_EXPOSURETIME), Qt::CaseInsensitive)) {
auto ok = false;
auto value = QLocale::c().toFloat(text, &ok);
if (ok) {
header.insert("expTime", Imf::FloatAttribute(value));
}
}
if (!key.compare(QStringLiteral(META_KEY_FNUMBER), Qt::CaseInsensitive)) {
auto ok = false;
auto value = QLocale::c().toFloat(text, &ok);
if (ok) {
header.insert("aperture", Imf::FloatAttribute(value));
}
}
if (!key.compare(QStringLiteral(META_KEY_FOCALLENGTH), Qt::CaseInsensitive)) {
auto ok = false;
auto value = QLocale::c().toFloat(text, &ok);
if (ok) {
header.insert("effectiveFocalLength", Imf::FloatAttribute(value));
}
}
}
if (dateTime.isValid()) {
header.insert("capDate", Imf::StringAttribute(dateTime.toString(QStringLiteral("yyyy:MM:dd HH:mm:ss")).toStdString()));