FGFS-4.1/OpenSceneGraph
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Added View::setUpViewOnSingleScreen(uint) method to help set up view on

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a single full screen window
This commit is contained in:
Robert Osfield 2007-01-06 21:06:35 +00:00
parent 983e0c7ecc
commit 0cd64c8c4f
2 changed files with 51 additions and 0 deletions
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3
include/osgViewer/View
View File

@ -49,6 +49,9 @@ class OSGVIEWER_EXPORT View : public osg::View, public osgGA::GUIActionAdapter
/** Convinience method for creating slave Cameras and associated GraphicsWindows across all screens.*/
void setUpViewAcrossAllScreens();
/** Convinience method for a single Camara associated with a single full screen GraphicsWindow.*/
void setUpViewOnSingleScreen(unsigned int screenNum=0);
virtual void requestRedraw();
virtual void requestContinuousUpdate(bool needed=true);

48
src/osgViewer/View.cpp
View File

@ -218,6 +218,54 @@ void View::setUpViewAcrossAllScreens()
assignSceneDataToCameras();
}
void View::setUpViewOnSingleScreen(unsigned int screenNum)
{
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;
}
unsigned int width, height;
wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(screenNum), width, height);
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
traits->x = 0;
traits->y = 0;
traits->width = width;
traits->height = height;
#if 1
traits->windowDecoration = false;
#else
traits->windowDecoration = true;
#endif
traits->doubleBuffer = true;
traits->sharedContext = 0;
osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get());
_camera->setGraphicsContext(gc.get());
osgViewer::GraphicsWindow* gw = dynamic_cast<osgViewer::GraphicsWindow*>(gc.get());
if (gw)
{
osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl;
gw->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, width, height );
}
else
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl;
}
_camera->setViewport(new osg::Viewport(0, 0, width, height));
GLenum buffer = traits->doubleBuffer ? GL_BACK : GL_FRONT;
_camera->setDrawBuffer(buffer);
_camera->setReadBuffer(buffer);
}
void View::assignSceneDataToCameras()
{
osg::Node* sceneData = _scene.valid() ? _scene->getSceneData() : 0;