Hi GuiYe,
Destroying the osg::Camera that has the window or doing a
Camera::setGraphicsContext() should automatically destruct the window.
Calling close() on the window should also close it, albeit without
destructing the actual OSG object.
Robert.
2008/6/8 GuiYe <[EMAIL PROTECTED]>:
>
>
> Hello,Robert.
> Thanks for your reversion.I'm so happy that I can add a new window in
> realtime.But there is a new problem :how to destroy the new window.I find
> that stopThreading can't destroy the window.Thanks.
>
> Waiting for you good news.
> //
> //
> #include <osgDB/ReadFile>
> #include <osgUtil/Optimizer>
> #include <osgViewer/Viewer>
> #include <osgGA/MatrixManipulator>
> #include <osgGA/TrackballManipulator>
> #include <osgGA/StateSetManipulator>
> #include <iostream>
> #include <osg/Node>
> #include <osg/Geode>
> #include <osg/Geometry>
> #include <osgViewer/Viewer>
> class MyWindowHandler:public osgGA::GUIEventHandler
> {
> public:
> MyWindowHandler():
> OneOrTwo(false)
> {}
> ~MyWindowHandler(){}
> bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter&
> aa)
> {
> osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa) ;
> switch(ea.getEventType())
> {
> case(osgGA::GUIEventAdapter::KEYDOWN):
> {
> if(ea.getKey()==osgGA::GUIEventAdapter::KEY_F1)
> {
> OneOrTwo = !OneOrTwo ;
> viewer->stopThreading();
> if(OneOrTwo)
> {
> int xoffset = 40;
> int yoffset = 40;
> viewer->stopThreading() ;
> viewer->startThreading() ;
> //{
> // osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
> osg::GraphicsContext::Traits;
> // traits->x = xoffset + 0;
> // traits->y = yoffset + 0;
> // traits->width = 600;
> // traits->height = 480;
> // traits->windowDecoration = true;
> // traits->doubleBuffer = true;
> // traits->sharedContext = 0;
> // osg::ref_ptr<osg::GraphicsContext> gc =
> osg::GraphicsContext::createGraphicsContext(traits.get());
> // osg::ref_ptr<osg::Camera> camera = new osg::Camera;
> // camera->setGraphicsContext(gc.get());
> // camera->setViewport(new osg::Viewport(0,0, traits->width,
> traits->height));
> // GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
> // camera->setDrawBuffer(buffer);
> // camera->setReadBuffer(buffer);
> // viewer->addSlave(camera.get(),
> osg::Matrixd::translate(1.0,0.0,0.0), osg::Matrixd());
> //}
> {
> osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
> osg::GraphicsContext::Traits;
> traits->x = xoffset + 600;
> traits->y = yoffset + 0;
> traits->width = 600;
> traits->height = 480;
> traits->windowDecoration = true;
> traits->doubleBuffer = true;
> traits->sharedContext = 0;
> osg::ref_ptr<osg::GraphicsContext> gc =
> osg::GraphicsContext::createGraphicsContext(traits.get());
> osg::ref_ptr<osg::Camera> camera = new osg::Camera;
> camera->setGraphicsContext(gc.get());
> camera->setViewport(new osg::Viewport(0,0, traits->width,
> traits->height));
> GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
> camera->setDrawBuffer(buffer);
> camera->setReadBuffer(buffer);
> viewer->addSlave(camera.get(),
> osg::Matrixd::translate(-1.0,0.0,0.0), osg::Matrixd());
> }
> //viewer->setSceneData(osgDB::readNodeFile("cow.osg"));
> viewer->realize() ;
> }
> return true ;
> }
> return false ;
> }
> break ;
> default:
> return false ;
> }
> }
> public:
> bool OneOrTwo ;
> };
> int main( int argc, char **argv )
> {
> osg::ArgumentParser arguments(&argc,argv);
> osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
> if (!loadedModel) loadedModel = osgDB::readNodeFile("cow.osg");
> if (!loadedModel)
> {
> std::cout << arguments.getApplicationName() <<": No data loaded" <<
> std::endl;
> return 1;
> }
> osgViewer::Viewer viewer;
> int xoffset = 40;
> int yoffset = 40;
> //viewer.stopThreading() ;
> //viewer.startThreading() ;
> viewer.addEventHandler(new MyWindowHandler()) ;
> {
> osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
> osg::GraphicsContext::Traits;
> traits->x = xoffset + 0;
> traits->y = yoffset + 0;
> traits->width = 600;
> traits->height = 480;
> traits->windowDecoration = true;
> traits->doubleBuffer = true;
> traits->sharedContext = 0;
> osg::ref_ptr<osg::GraphicsContext> gc =
> osg::GraphicsContext::createGraphicsContext(traits.get());
> osg::ref_ptr<osg::Camera> camera = new osg::Camera;
> camera->setGraphicsContext(gc.get());
> camera->setViewport(new osg::Viewport(0,0, traits->width,
> traits->height));
> GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
> camera->setDrawBuffer(buffer);
> camera->setReadBuffer(buffer);
> viewer.addSlave(camera.get(), osg::Matrixd::translate(1.0,0.0,0.0),
> osg::Matrixd());
> }
> viewer.setSceneData(loadedModel.get());
> viewer.realize();
> //}
> return viewer.run();
> }
>
>
>> Hi GuiYe,
>
>>At present the addSlave doesn't automatically tell the viewer to
>>realize windows, reset up threading and rendering support, which is
>>why you code isn't working.
>
>>What you need to do in you event handling is to call
>>viewer.stopThreading() first, create you new window/associated
>>view/camera then realize the new window and then call startTheading().
>
>>Robert.
>
>
> ________________________________
> 上房老大买二手房，看实景照片，挑专业经纪人
> _______________________________________________
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>
>
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