FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Made the custom window set up a runtime option

Browse Source
This commit is contained in:
Robert Osfield 2007-01-05 13:15:59 +00:00
parent a42633a9ee
commit 348fc7bdb3
1 changed files with 61 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

134
examples/osghangglide/osghangglide.cpp
View File

@ -114,8 +114,6 @@ int main( int argc, char **argv )
// construct the viewer.
osgViewer::Viewer viewer;
viewer.setCameraManipulator(new GliderManipulator());
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
@ -123,96 +121,78 @@ int main( int argc, char **argv )
return 1;
}
// any option left unread are converted into errors to write out later.
arguments.reportRemainingOptionsAsUnrecognized();
bool customWindows = false;
while(arguments.read("-1")) customWindows = true;
while(arguments.read("-2")) customWindows = false;
// report any errors if they have occured when parsing the program aguments.
if (arguments.errors())
if (customWindows)
{
arguments.writeErrorMessages(std::cout);
return 1;
}
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"View::setUpViewAcrossAllScreens() : Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
return 0;
}
// load the nodes from the commandline arguments.
osg::Node* rootnode = osgDB::readNodeFiles(arguments);
if (!rootnode) rootnode = createModel();
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
viewer.setSceneData( rootnode );
width -= 500;
height -= 500;
#if 0
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 500;
traits->y = 500;
traits->width = width;
traits->height = height;
#if 0
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"View::setUpViewAcrossAllScreens() : Error, no WindowSystemInterface available, cannot create windows."<<std::endl;
return 0;
}
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height);
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
width -= 500;
height -= 500;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 500;
traits->y = 500;
traits->width = width;
traits->height = height;
#if 0
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
unsigned int numCameras = 2;
double aspectRatioScale = 1.0/(double)numCameras;
for(unsigned int i=0; i<numCameras;++i)
{
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
camera->setViewport(new osg::Viewport((i*width)/numCameras,(i*height)/numCameras, width/numCameras, height/numCameras));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::scale(aspectRatioScale,1.0,1.0));
}
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
unsigned int numCameras = 2;
double aspectRatioScale = 1.0/(double)numCameras;
for(unsigned int i=0; i<numCameras;++i)
{
osg::ref_ptr<osg::Camera> camera = new osg::Camera;
camera->setGraphicsContext(gc.get());
camera->setViewport(new osg::Viewport((i*width)/numCameras,(i*height)/numCameras, width/numCameras, height/numCameras));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
camera->setDrawBuffer(buffer);
camera->setReadBuffer(buffer);
viewer.addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::scale(aspectRatioScale,1.0,1.0));
}
viewer.setUpRenderingSupport();
viewer.assignSceneDataToCameras();
#else
viewer.setUpViewAcrossAllScreens();
#endif
viewer.realize();
while( !viewer.done() )
{
// fire off the cull and draw traversals of the scene.
viewer.frame();
viewer.setUpViewAcrossAllScreens();
}
return 0;
// set up the camera manipulation with out custom manipultor
viewer.setCameraManipulator(new GliderManipulator());
// pass the scene graph to the viewer
viewer.setSceneData( createModel() );
return viewer.run();
}