FGFS-4.1/OpenSceneGraph
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Reverted previous check-in to osgviewer.cpp as this was an accididental check-in with the code only in testing state, not appropriate to be checked-in.

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This commit is contained in:
Robert Osfield 2008-12-19 12:50:33 +00:00
parent c862344929
commit 4324e9a915
1 changed files with 55 additions and 81 deletions
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136
applications/osgviewer/osgviewer.cpp
View File

@ -16,7 +16,7 @@
#include <osg/Switch>
#include <osgText/Text>
#include <osgViewer/CompositeViewer>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/TrackballManipulator>
@ -29,76 +29,6 @@
#include <iostream>
void addEventHandlers(osgViewer::View* view)
{
// set up the camera manipulators.
view->setCameraManipulator( new osgGA::TrackballManipulator() );
// add the state manipulator
view->addEventHandler( new osgGA::StateSetManipulator(view->getCamera()->getOrCreateStateSet()) );
// add the thread model handler
view->addEventHandler(new osgViewer::ThreadingHandler);
// add the window size toggle handler
view->addEventHandler(new osgViewer::WindowSizeHandler);
// add the stats handler
view->addEventHandler(new osgViewer::StatsHandler);
// add the record camera path handler
view->addEventHandler(new osgViewer::RecordCameraPathHandler);
// add the LOD Scale handler
view->addEventHandler(new osgViewer::LODScaleHandler);
// add the screen capture handler
view->addEventHandler(new osgViewer::ScreenCaptureHandler);
}
class AddViewHandler : public osgGA::GUIEventHandler
{
public:
AddViewHandler(osgViewer::CompositeViewer* viewer, osg::Node* sceneRoot)
: _viewer(viewer), _sceneRoot(sceneRoot) {}
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
if (ea.getEventType() == osgGA::GUIEventAdapter::KEYDOWN && ea.getKey()== 'a')
{
osgViewer::View* view = new osgViewer::View;
view->setUpViewInWindow(50, 50, 800, 600);
view->getCamera()->getGraphicsContext()->realize();
view->setSceneData(_sceneRoot.get());
addEventHandlers(view);
_viewer->stopThreading();
_viewer->addView(view);
osg::notify(osg::NOTICE)<<"osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts()="<< osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts()<<std::endl;
view->getSceneData()->setThreadSafeRefUnref(true);
view->getSceneData()->resizeGLObjectBuffers(osg::DisplaySettings::instance()->getMaxNumberOfGraphicsContexts());
_viewer->startThreading();
return true;
}
return false;
}
protected:
osg::observer_ptr<osgViewer::CompositeViewer> _viewer;
osg::ref_ptr<osg::Node> _sceneRoot;
};
int main(int argc, char** argv)
{
// use an ArgumentParser object to manage the program arguments.
@ -111,7 +41,7 @@ int main(int argc, char** argv)
arguments.getApplicationUsage()->addCommandLineOption("--dem <filename>","Load an image/DEM and render it on a HeightField");
arguments.getApplicationUsage()->addCommandLineOption("--login <url> <username> <password>","Provide authentication information for http file access.");
osgViewer::CompositeViewer viewer(arguments);
osgViewer::Viewer viewer(arguments);
unsigned int helpType = 0;
if ((helpType = arguments.readHelpType()))
@ -146,9 +76,55 @@ int main(int argc, char** argv)
}
}
osg::ref_ptr<osgViewer::View> defaultView = new osgViewer::View;
viewer.addView(defaultView.get());
addEventHandlers(defaultView.get());
// set up the camera manipulators.
{
osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> keyswitchManipulator = new osgGA::KeySwitchMatrixManipulator;
keyswitchManipulator->addMatrixManipulator( '1', "Trackball", new osgGA::TrackballManipulator() );
keyswitchManipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() );
keyswitchManipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() );
keyswitchManipulator->addMatrixManipulator( '4', "Terrain", new osgGA::TerrainManipulator() );
std::string pathfile;
char keyForAnimationPath = '5';
while (arguments.read("-p",pathfile))
{
osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile);
if (apm || !apm->valid())
{
unsigned int num = keyswitchManipulator->getNumMatrixManipulators();
keyswitchManipulator->addMatrixManipulator( keyForAnimationPath, "Path", apm );
keyswitchManipulator->selectMatrixManipulator(num);
++keyForAnimationPath;
}
}
viewer.setCameraManipulator( keyswitchManipulator.get() );
}
// add the state manipulator
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
// add the thread model handler
viewer.addEventHandler(new osgViewer::ThreadingHandler);
// add the window size toggle handler
viewer.addEventHandler(new osgViewer::WindowSizeHandler);
// add the stats handler
viewer.addEventHandler(new osgViewer::StatsHandler);
// add the help handler
viewer.addEventHandler(new osgViewer::HelpHandler(arguments.getApplicationUsage()));
// add the record camera path handler
viewer.addEventHandler(new osgViewer::RecordCameraPathHandler);
// add the LOD Scale handler
viewer.addEventHandler(new osgViewer::LODScaleHandler);
// add the screen capture handler
viewer.addEventHandler(new osgViewer::ScreenCaptureHandler);
// load the data
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
@ -170,15 +146,13 @@ int main(int argc, char** argv)
// optimize the scene graph, remove redundant nodes and state etc.
//osgUtil::Optimizer optimizer;
//optimizer.optimize(loadedModel.get());
osgUtil::Optimizer optimizer;
optimizer.optimize(loadedModel.get());
defaultView->setSceneData( loadedModel.get() );
defaultView->setUpViewInWindow(50, 50, 800, 600);
defaultView->addEventHandler(new AddViewHandler(&viewer, loadedModel.get()));
viewer.setSceneData( loadedModel.get() );
viewer.realize();
return viewer.run();
}