1 files changed, 117 insertions, 0 deletions
diff --git a/src/uscxml/plugins/invoker/graphics/openscenegraph/CompositeDisplay.cpp b/src/uscxml/plugins/invoker/graphics/openscenegraph/CompositeDisplay.cpp
new file mode 100644
index 0000000..c9b00b6
--- /dev/null
+++ b/src/uscxml/plugins/invoker/graphics/openscenegraph/CompositeDisplay.cpp
@@ -0,0 +1,117 @@
+#include "CompositeDisplay.h"
+
+CompositeDisplay::CompositeDisplay(unsigned int x,
+                                   unsigned int y,
+                                   unsigned int width,
+                                   unsigned int height,
+                                   int screenId)
+{
+  _waitForViewOp = false;
+  unsigned int tWidth = 0;
+  unsigned int tHeight = 0;
+  getResolution(tWidth, tHeight, screenId);
+  
+  osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
+  traits->doubleBuffer = true;
+  traits->sharedContext = 0;
+  traits->screenNum = screenId;
+  
+  if (width == 0 || height == 0 || (width == tWidth && height == tHeight)) {
+    // fullscreen
+    traits->windowDecoration = false;
+    traits->width = tWidth;
+    traits->height = tHeight;
+    traits->x = 0;
+    traits->y = 0;    
+  } else {
+    // Start with given resolution
+    traits->windowDecoration = true;
+    traits->x = x;
+    traits->y = y;
+    traits->width = width;
+    traits->height = height;
+  }
+  
+  _gc = osg::GraphicsContext::createGraphicsContext(traits.get());
+  if (_gc.valid()) {
+    _gc->setClearColor(osg::Vec4f(1.0f,1.0f,1.0f,1.0f));
+    _gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+  }
+  
+  _width = traits->width;
+  _height = traits->height;
+  
+  setRunMaxFrameRate(30);
+//  setRunFrameScheme(osgViewer::ViewerBase::ON_DEMAND);
+  setThreadingModel(osgViewer::Viewer::AutomaticSelection);
+}
+
+CompositeDisplay::~CompositeDisplay() {}
+
+void CompositeDisplay::frame(double simulationTime) {
+  tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
+  CompositeViewer::frame();
+}
+
+bool CompositeDisplay::checkNeedToDoFrame() {
+  return CompositeViewer::checkNeedToDoFrame();
+}
+
+void CompositeDisplay::addView(const std::string& name, osg::Viewport* v, osgViewer::View* view) {
+  tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
+	_viewports[name] = v;
+  
+	_views[name] = view;
+	_views[name]->setName(name);
+  _views[name]->getCamera()->setName(name);
+  _views[name]->setCameraManipulator(new osgGA::TrackballManipulator);
+  
+  // add the state manipulator
+  osg::ref_ptr<osgGA::StateSetManipulator> statesetManipulator = new osgGA::StateSetManipulator;
+  statesetManipulator->setStateSet(_views[name]->getCamera()->getOrCreateStateSet());
+  _views[name]->addEventHandler( statesetManipulator.get() );
+
+	_views[name]->addEventHandler( new osgViewer::StatsHandler );
+	_views[name]->addEventHandler( new osgViewer::HelpHandler );
+	_views[name]->addEventHandler( new osgViewer::WindowSizeHandler );
+	_views[name]->addEventHandler( new osgViewer::ThreadingHandler );
+  
+  _views[name]->getCamera()->setViewport(v);
+  
+  // set graphic context
+  _views[name]->getCamera()->setGraphicsContext(_gc.get());
+  CompositeViewer::addView(_views[name]);
+
+}
+
+void CompositeDisplay::moveView(const std::string& name, osg::Viewport* v) {  
+  tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
+  const osg::GraphicsContext::Traits* traits = _gc->getTraits();
+  osg::Viewport* absoluteVp = new osg::Viewport(v->x() * (traits->width/100.0),
+                                                v->y() * (traits->height/100.0),
+                                                v->width() * (traits->width/100.0),
+                                                v->height() * (traits->height/100.0));
+  _views[name]->getCamera()->setViewport(absoluteVp);
+}
+
+void CompositeDisplay::removeView(const std::string& name) {
+  tthread::lock_guard<tthread::recursive_mutex> lock(_mutex);
+  
+  _views[name]->getCamera()->setGraphicsContext(NULL);
+  _views[name]->getCamera()->setViewport(NULL);
+
+	CompositeViewer::removeView(_views[name]);
+	
+	if (_views.find(name) != _views.end()) {
+		_views.erase(name);
+  }
+	if (_viewports.find(name) != _viewports.end())
+		_viewports.erase(name);
+}
+
+osg::GraphicsContext::WindowingSystemInterface* CompositeDisplay::wsi = NULL;
+void CompositeDisplay::getResolution(unsigned int& width, unsigned int& height, int screenId) {
+  if (!wsi)
+    wsi = osg::GraphicsContext::getWindowingSystemInterface();
+  wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(screenId), width, height);
+}