135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osgProducer/Viewer>
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#include <osgDB/ReadFile>
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#include <osgUtil/Optimizer>
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#include <osg/Geode>
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#include <osg/Notify>
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#include <osg/MatrixTransform>
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int main( int argc, char **argv )
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{
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// use an ArgumentParser object to manage the program arguments.
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osg::ArgumentParser arguments(&argc,argv);
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// set up the usage document, in case we need to print out how to use this program.
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arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] image_file_left_eye image_file_right_eye");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
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// construct the viewer.
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osgProducer::Viewer viewer(arguments);
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// set up the value with sensible default event handlers.
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viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
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// get details on keyboard and mouse bindings used by the viewer.
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viewer.getUsage(*arguments.getApplicationUsage());
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// if user request help write it out to cout.
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if (arguments.read("-h") || arguments.read("--help"))
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{
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arguments.getApplicationUsage()->write(std::cout);
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return 1;
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}
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// any option left unread are converted into errors to write out later.
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arguments.reportRemainingOptionsAsUnrecognized();
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// report any errors if they have occured when parsing the program aguments.
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if (arguments.errors())
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{
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arguments.writeErrorMessages(std::cout);
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return 1;
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}
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// extract the filenames from the arguments list.
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std::string fileLeft,fileRight;
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for(int pos=1;pos<arguments.argc();++pos)
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{
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if (arguments.isString(pos))
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{
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if (fileLeft.empty()) fileLeft = arguments[pos];
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else if (fileRight.empty()) fileRight = arguments[pos];
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}
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}
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if (fileLeft.empty() || fileRight.empty())
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{
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std::cout << arguments.getProgramName() <<": Please specify two image files required for stereo imaging."<<std::endl;
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return 1;
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}
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osg::Image* imageLeft = osgDB::readImageFile(fileLeft);
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osg::Image* imageRight = osgDB::readImageFile(fileRight);
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if (!imageLeft || !imageRight)
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{
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std::cout << arguments.getProgramName() <<": Unable to load two image files required for stereo imaging."<<std::endl;
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return 1;
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}
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float average_s = (imageLeft->s()+imageRight->s())*0.5f;
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float average_t = (imageLeft->t()+imageRight->t())*0.5f;
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osg::Geode* geodeLeft = osg::createGeodeForImage(imageLeft,average_s,average_t);
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geodeLeft->setNodeMask(0x01);
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osg::Geode* geodeRight = osg::createGeodeForImage(imageRight,average_s,average_t);
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geodeRight->setNodeMask(0x02);
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osg::ref_ptr<osg::Group> rootNode = new osg::Group;
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rootNode->addChild(geodeLeft);
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rootNode->addChild(geodeRight);
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// set the scene to render
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viewer.setSceneData(rootNode.get());
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// create the windows and run the threads.
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viewer.realize(Producer::CameraGroup::ThreadPerCamera);
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// set all the sceneview's up so that their left and right add cull masks are set up.
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for(osgProducer::OsgCameraGroup::SceneHandlerList::iterator itr=viewer.getSceneHandlerList().begin();
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itr!=viewer.getSceneHandlerList().end();
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++itr)
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{
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osgUtil::SceneView* sceneview = itr->get();
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sceneview->setCullMask(0xffffffff);
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sceneview->setCullMaskLeft(0x00000001);
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sceneview->setCullMaskRight(0x00000002);
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}
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while( !viewer.done() )
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{
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// wait for all cull and draw threads to complete.
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viewer.sync();
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// update the scene by traversing it with the the update visitor which will
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// call all node update callbacks and animations.
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viewer.update();
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// fire off the cull and draw traversals of the scene.
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viewer.frame();
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}
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return 0;
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}
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