Hi Marc, I read your mail twice, and it still does not make any sense to me. The code seems fine to me, and you seem to propose a change to osgDB::writeNodeFile to let it return an osg::Node* (or a ReadResult?).
Read and Write are simply different functions. Laurens. On Tue, Jul 8, 2014 at 11:40 AM, Marc Helbling <[email protected]> wrote: > Hi, > > I am wondering if there is a good reason that osgDB::writeNodeFile does > not behave in the same manner as osgDB::readNodeFile in the sense that the > former returns a bool when the latter returns an osg::Node*. > > This prevents using pseudo-writers as pseudo-loaders ( > http://trac.openscenegraph.org/projects/osg//wiki/Support/KnowledgeBase/PseudoLoader) > and to chain plugins calls. > Imagine I want to write an obfuscator plugin; I would like to call > osgconv mymodel.fmt myobfuscatedmodel.fmt.obfuscator > to obfuscate data and > osgconv mybfuscatedmodel.fmt.obfuscator myunobfuscatedmodel.fmt > to un-obfuscate it. > > I can manually achieve that with something like > > > Code: > > std::string realFileName = osgDB::getNameLessExtension(fileName); > if(realFileName.empty()) > return WriteResult::FILE_NOT_HANDLED; > > // obfuscator > ref_ptr<Node> obfuscatedNode = obfuscateModel(node, > parseOptions(options)); > > // forward writing to the "real" plugin > ref_ptr<ReaderWriter> rw = getReaderWriter(realFileName); > if(rw) { > return rw->writeNode(*obfuscatedNode, realFileName, options); > } > else { > return WriteResult::ERROR_IN_WRITING_FILE; > } > > > > > but it doesn't feel totally right. > > Note that I could use 2 seperate plugins, one for obfuscation and one for > de-obfuscation, however, I might want my code to run *after* the > osg::Optimizer and this requires for the plugin to be called at write time. > > Could we change osgDB::writeNodeFile signature or is it a bad idea? > > > Thank you! > > Cheers, > Marc > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=60205#60205 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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