FGFS-4.1/OpenSceneGraph
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Added CompositeViewer support into FLTK example

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This commit is contained in:
Robert Osfield 2007-06-05 19:40:07 +00:00
parent 37f646afa4
commit 04d1c77d92
1 changed files with 71 additions and 13 deletions
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84
examples/osgviewerFLTK/osgviewerFLTK.cpp
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@ -4,6 +4,7 @@
// Derived from osgGLUTsimple.cpp and osgkeyboardmouse.cpp // Derived from osgGLUTsimple.cpp and osgkeyboardmouse.cpp
#include <osgViewer/Viewer> #include <osgViewer/Viewer>
#include <osgViewer/CompositeViewer>
#include <osgViewer/StatsHandler> #include <osgViewer/StatsHandler>
#include <osgGA/TrackballManipulator> #include <osgGA/TrackballManipulator>
#include <osgDB/ReadFile> #include <osgDB/ReadFile>
@ -77,7 +78,6 @@ void idle_cb()
Fl::redraw(); Fl::redraw();
} }
class ViewerFLTK : public osgViewer::Viewer, public AdapterWidget class ViewerFLTK : public osgViewer::Viewer, public AdapterWidget
{ {
public: public:
@ -94,6 +94,22 @@ class ViewerFLTK : public osgViewer::Viewer, public AdapterWidget
}; };
class CompositeViewerFLTK : public osgViewer::CompositeViewer, public AdapterWidget
{
public:
CompositeViewerFLTK(int x, int y, int w, int h, const char *label=0):
AdapterWidget(x,y,w,h,label)
{
setThreadingModel(osgViewer::CompositeViewer::SingleThreaded);
}
protected:
virtual void draw() { frame(); }
};
int main( int argc, char **argv ) int main( int argc, char **argv )
{ {
@ -103,8 +119,10 @@ int main( int argc, char **argv )
return 1; return 1;
} }
osg::ArgumentParser arguments(&argc, argv);
// load the scene. // load the scene.
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(argv[1]); osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
if (!loadedModel) if (!loadedModel)
{ {
std::cout << argv[0] <<": No data loaded." << std::endl; std::cout << argv[0] <<": No data loaded." << std::endl;
@ -112,16 +130,56 @@ int main( int argc, char **argv )
} }
ViewerFLTK viewerWindow(100,100,800,600); if (arguments.read("--CompositeViewer"))
viewerWindow.resizable(&viewerWindow); {
unsigned int width = 1024;
unsigned int height = 800;
viewerWindow.setSceneData(loadedModel.get()); CompositeViewerFLTK viewerWindow(100,100,width,height);
viewerWindow.setCameraManipulator(new osgGA::TrackballManipulator); viewerWindow.resizable(&viewerWindow);
viewerWindow.addEventHandler(new osgViewer::StatsHandler);
{
viewerWindow.show(); osgViewer::View* view1 = new osgViewer::View;
view1->getCamera()->setGraphicsContext(viewerWindow.getGraphicsWindow());
Fl::set_idle(idle_cb); view1->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height/2), 1.0, 1000.0);
view1->getCamera()->setViewport(new osg::Viewport(0,0,width,height/2));
return Fl::run(); view1->setCameraManipulator(new osgGA::TrackballManipulator);
view1->setSceneData(loadedModel.get());
viewerWindow.addView(view1);
}
{
osgViewer::View* view2 = new osgViewer::View;
view2->getCamera()->setGraphicsContext(viewerWindow.getGraphicsWindow());
view2->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height/2), 1.0, 1000.0);
view2->getCamera()->setViewport(new osg::Viewport(0,height/2,width,height/2));
view2->setCameraManipulator(new osgGA::TrackballManipulator);
view2->setSceneData(loadedModel.get());
viewerWindow.addView(view2);
}
viewerWindow.show();
Fl::set_idle(idle_cb);
return Fl::run();
}
else
{
ViewerFLTK viewerWindow(100,100,800,600);
viewerWindow.resizable(&viewerWindow);
viewerWindow.setSceneData(loadedModel.get());
viewerWindow.setCameraManipulator(new osgGA::TrackballManipulator);
viewerWindow.addEventHandler(new osgViewer::StatsHandler);
viewerWindow.show();
Fl::set_idle(idle_cb);
return Fl::run();
}
} }