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From Ralf Habacker, "The appended patch fixes this issue by adding a virtual method named supportedFeatures() to the class ReaderWriter, which could be overriden by a specific plugin to adjust the set of features.

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Single features are implemented as bits asother enums in ReaderWriter class already does, so that combinations are possible and fast comparison operations are possible

By default all features are enabled.

I have added this virtual method to the dot plugin to get an idea how to use these features.

With this patch osgconv --formats shows an additional line 'features' for each plugin"
This commit is contained in:
Robert Osfield
2009-03-10 15:00:39 +00:00
parent 0669107287
commit 287ff37b34
4 changed files with 82 additions and 1 deletions
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13
src/osgDB/PluginQuery.cpp
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@@ -80,6 +80,7 @@ bool osgDB::queryPlugin(const std::string& fileName, ReaderWriterInfoList& infoL
rwi->protocols = rw->supportedProtocols();
rwi->extensions = rw->supportedExtensions();
rwi->options = rw->supportedOptions();
rwi->features = rw->supportedFeatures();
infoList.push_back(rwi.get());
}
@@ -116,7 +117,17 @@ bool osgDB::outputPluginDetails(std::ostream& out, const std::string& fileName)
osgDB::ReaderWriterInfo& info = *(*rwi_itr);
out<<" ReaderWriter : "<<info.description<<std::endl;
out<<" {"<<std::endl;
out<<" features : ";
osgDB::ReaderWriter::FeatureList fl = ReaderWriter::featureAsString(info.features);
osgDB::ReaderWriter::FeatureList::iterator fl_itr;
for(fl_itr = fl.begin();
fl_itr != fl.end();
++fl_itr)
{
out << *fl_itr << " ";
}
out << std::endl;
unsigned int longestOptionLength = 0;
osgDB::ReaderWriter::FormatDescriptionMap::iterator fdm_itr;
for(fdm_itr = info.protocols.begin();