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imageconverter: possibility to set image quality

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This commit is contained in:
Daniel Novomeský 2025-02-04 14:42:44 +01:00
parent 0a06a07fa4
commit 7a74b50d64
1 changed files with 15 additions and 1 deletions
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16
tests/imageconverter.cpp
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@ -19,7 +19,7 @@ int main(int argc, char **argv)
QCoreApplication app(argc, argv); QCoreApplication app(argc, argv);
QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR)); QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
QCoreApplication::setApplicationName(QStringLiteral("imageconverter")); QCoreApplication::setApplicationName(QStringLiteral("imageconverter"));
QCoreApplication::setApplicationVersion(QStringLiteral("1.01.01.0")); QCoreApplication::setApplicationVersion(QStringLiteral("1.02.00.0"));
QCommandLineParser parser; QCommandLineParser parser;
parser.setApplicationDescription(QStringLiteral("Converts images from one format to another")); parser.setApplicationDescription(QStringLiteral("Converts images from one format to another"));
@ -35,6 +35,10 @@ int main(int argc, char **argv)
QStringLiteral("Image format for output file"), QStringLiteral("Image format for output file"),
QStringLiteral("format")); QStringLiteral("format"));
parser.addOption(outformat); parser.addOption(outformat);
QCommandLineOption qualityoption(QStringList() << QStringLiteral("q") << QStringLiteral("quality"),
QStringLiteral("Image quality for output file (0-100)"),
QStringLiteral("quality"));
parser.addOption(qualityoption);
QCommandLineOption listformats(QStringList() << QStringLiteral("l") << QStringLiteral("list"), QStringLiteral("List supported image formats")); QCommandLineOption listformats(QStringList() << QStringLiteral("l") << QStringLiteral("list"), QStringLiteral("List supported image formats"));
parser.addOption(listformats); parser.addOption(listformats);
@ -87,6 +91,16 @@ int main(int argc, char **argv)
} }
QImageWriter writer(files.at(1), parser.value(outformat).toLatin1()); QImageWriter writer(files.at(1), parser.value(outformat).toLatin1());
if (writer.supportsOption(QImageIOHandler::Quality) && parser.isSet(qualityoption)) {
bool qualityparsed = false;
int quality = parser.value(qualityoption).toInt(&qualityparsed, 10);
if (quality > 100) {
quality = 100;
}
if (qualityparsed && quality >= 0) {
writer.setQuality(quality);
}
}
if (!writer.write(img)) { if (!writer.write(img)) {
QTextStream(stdout) << "Could not write image: " << writer.errorString() << '\n'; QTextStream(stdout) << "Could not write image: " << writer.errorString() << '\n';
return 3; return 3;