Canvas troubleshooting: Difference between revisions

Canvas troubleshooting (view source)

1,005 bytes added , 14 February 2015

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 === Dumping Canvas scene graphs to disk ===
+Here's the required SimGear changes to add a new method for dumping the scene graph for each Canvas to a file:
 <syntaxhighlight lang="diff">
+</syntaxhighlight>
+Here's the FlightGear part for the SimGear changes above exposing the new API via <code>canvas.dumpSceneGraph()</code>:
+<syntaxhighlight lang="diff">
+diff --git a/src/Scripting/NasalCanvas.cxx b/src/Scripting/NasalCanvas.cxx
+index 4fa7652..2b63f02 100644
+--- a/src/Scripting/NasalCanvas.cxx
++++ b/src/Scripting/NasalCanvas.cxx
+@@ -478,7 +478,8 @@ naRef initNasalCanvas(naRef globals, naContext c)
+     .method("dispatchEvent", &sc::Canvas::dispatchEvent)
+     .method("setLayout", &sc::Canvas::setLayout)
+     .method("setFocusElement", &sc::Canvas::setFocusElement)
+-    .method("clearFocusElement", &sc::Canvas::clearFocusElement);
++    .method("clearFocusElement", &sc::Canvas::clearFocusElement)
++    .method("dumpSceneGraph", &sc::Canvas::dumpSceneGraph);
+   canvas_module.set("_newCanvasGhost", f_createCanvas);
+   canvas_module.set("_getCanvasGhost", f_getCanvas);
 </syntaxhighlight>