Files
OpenSceneGraph/src/osgDB/ReadFile.cpp
Robert Osfield c10d5f2d6f Added new osg::ApplicationUsage and osg::ArgumentParser to help streamline
application/example developement.
2003-02-18 16:36:42 +00:00

148 lines
3.7 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osg/Notify>
#include <osg/Object>
#include <osg/Image>
#include <osg/Node>
#include <osg/Group>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
using namespace osg;
using namespace osgDB;
Object* osgDB::readObjectFile(const std::string& filename)
{
ReaderWriter::ReadResult rr = Registry::instance()->readObject(filename);
if (rr.validObject()) return rr.takeObject();
if (rr.error()) notify(WARN) << rr.message() << std::endl;
return NULL;
}
Image* osgDB::readImageFile(const std::string& filename)
{
ReaderWriter::ReadResult rr = Registry::instance()->readImage(filename);
if (rr.validImage()) return rr.takeImage();
if (rr.error()) notify(WARN) << rr.message() << std::endl;
return NULL;
}
Node* osgDB::readNodeFile(const std::string& filename)
{
ReaderWriter::ReadResult rr = Registry::instance()->readNode(filename);
if (rr.validNode()) return rr.takeNode();
if (rr.error()) notify(WARN) << rr.message() << std::endl;
return NULL;
}
Node* osgDB::readNodeFiles(std::vector<std::string>& commandLine)
{
typedef std::vector<osg::Node*> NodeList;
NodeList nodeList;
// note currently doesn't delete the loaded file entries from the command line yet...
for(std::vector<std::string>::iterator itr=commandLine.begin();
itr!=commandLine.end();
++itr)
{
if ((*itr)[0]!='-')
{
// not an option so assume string is a filename.
osg::Node *node = osgDB::readNodeFile( *itr );
if( node != (osg::Node *)0L )
{
if (node->getName().empty()) node->setName( *itr );
nodeList.push_back(node);
}
}
}
if (nodeList.empty())
{
return NULL;
}
if (nodeList.size()==1)
{
return nodeList.front();
}
else // size >1
{
osg::Group* group = new osg::Group;
for(NodeList::iterator itr=nodeList.begin();
itr!=nodeList.end();
++itr)
{
group->addChild(*itr);
}
return group;
}
}
Node* osgDB::readNodeFiles(osg::ArgumentParser& arguments)
{
osgDB::readCommandLine(arguments);
typedef std::vector<osg::Node*> NodeList;
NodeList nodeList;
// note currently doesn't delete the loaded file entries from the command line yet...
for(int pos=1;pos<arguments.argc();++pos)
{
if (!arguments.isOption(pos))
{
// not an option so assume string is a filename.
osg::Node *node = osgDB::readNodeFile( arguments[pos] );
if(node)
{
if (node->getName().empty()) node->setName( arguments[pos] );
nodeList.push_back(node);
}
}
}
if (nodeList.empty())
{
return NULL;
}
if (nodeList.size()==1)
{
return nodeList.front();
}
else // size >1
{
osg::Group* group = new osg::Group;
for(NodeList::iterator itr=nodeList.begin();
itr!=nodeList.end();
++itr)
{
group->addChild(*itr);
}
return group;
}
}