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JXL: Resolution and metadata support via EXIF

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- Added a class to read and write minimal exif metadata.
- JXL plugin uses EXIF metadata to load/save the resolution of the image (like GIMP).
- JXL plugin uses EXIF metadata to set/store text metadata and date/time.
- Enable info display in Dolphin (JXL File -> Properties -> Details on a JXL file, see image below).
- Enabled read test to check also image metadata and resolution.

![_52C044E4-1BA9-4D84-AC0A-B834CDAF72D8_](/uploads/f1649c2b506bf61a5f5488da0d4a4534/_52C044E4-1BA9-4D84-AC0A-B834CDAF72D8_.png){width=401 height=357}
This commit is contained in:
Mirco Miranda
2025-01-15 06:12:07 +00:00
parent f39ca9dc9b
commit ae00c110f2
11 changed files with 1821 additions and 79 deletions
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19
autotests/readtest.cpp
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@ -198,7 +198,7 @@ int main(int argc, char **argv)
QCoreApplication::removeLibraryPath(QStringLiteral(PLUGIN_DIR));
QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
QCoreApplication::setApplicationName(QStringLiteral("readtest"));
QCoreApplication::setApplicationVersion(QStringLiteral("1.2.0"));
QCoreApplication::setApplicationVersion(QStringLiteral("1.3.0"));
QCommandLineParser parser;
parser.setApplicationDescription(QStringLiteral("Performs basic image conversion checking."));
@ -208,8 +208,11 @@ int main(int argc, char **argv)
QCommandLineOption fuzz(QStringList() << QStringLiteral("f") << QStringLiteral("fuzz"),
QStringLiteral("Allow for some deviation in ARGB data."),
QStringLiteral("max"));
parser.addOption(fuzz);
QCommandLineOption skipOptTest({QStringLiteral("skip-optional-tests")},
QStringLiteral("Skip optional data tests (metadata, resolution, etc.)."));
parser.addOption(fuzz);
parser.addOption(skipOptTest);
parser.process(app);
const QStringList args = parser.positionalArguments();
@ -314,6 +317,7 @@ int main(int argc, char **argv)
continue;
}
// option test
OptionTest optionTest;
if (!optionTest.store(&inputReader)) {
QTextStream(stdout) << "FAIL : " << fi.fileName() << ": error while reading options\n";
@ -339,6 +343,17 @@ int main(int argc, char **argv)
continue;
}
// metadata checks
if (!parser.isSet(skipOptTest)) {
QString optError;
if (!timg.checkOptionaInfo(inputImage, optError)) {
QTextStream(stdout) << "FAIL : " << fi.fileName() << " : " << optError << "\n";
++failed;
continue;
}
}
// image compare
if (expImage.width() != inputImage.width()) {
QTextStream(stdout) << "FAIL : " << fi.fileName() << ": width was " << inputImage.width() << " but " << expfilename << " width was "
<< expImage.width() << "\n";