public LearningPathViewModel(/*ICommand renderXnaCmd, */DatabaseService db, ICommand returnToMainWindowCmd) { ReturnToMainWindowCmd = returnToMainWindowCmd; MDetector md = new MDetector(); Image<Bgr, Byte> img = new Image<Bgr, Byte>(640, 480, new Bgr(255, 255, 0)); PiktoViewDB piktodb = new PiktoViewDB(db); pictoViewManager = new PiktoViewManager(piktodb); ToolArtNetwork toolNetwork = new ToolArtNetwork(piktodb.getImageIdDic()); MarkerPosition3D pos = new MarkerPosition3D(80.0f, 640.0f, 640, 480); RenderXnaCmd = new BasicCommand(p => { md.findMarkers(img.Convert<Gray, Byte>()); if (md.isMarker()) { int id = toolNetwork.recognitionPictograms(md.markers[0].getSymbolImage()); if (id != -1) { pos.estimate(md.markers[0]); pictoViewManager.viewSceneMarker(id, pos.getTransformatinMatrix(), img.ToBitmap()); } } else { pictoViewManager.updateDisplayCameraLayer(img.ToBitmap()); } displayComponent.displaySetContent(); }); }