comparison framework/Document.h @ 693:3c5dc95bea91 by-id

Tidy

      * identical apart from the output (i.e. must use the same plugin
      * and configuration). This method returns after initialising the
      * transformer process, and the layers are returned through a
      * subsequent call to the provided handler (which must be
      * non-null). The handle returned will be passed through to the
-     * handler callback, and may be also used for cancelling the task.
+     * handler callback.
      */
     LayerCreationAsyncHandle createDerivedLayersAsync(const Transforms &,
                                                       const ModelTransformer::Input &,
                                                       LayerCreationHandler *handler);
-
-    /**
-     * Indicate that the async layer creation task associated with the
-     * given handle should be cancelled. There is no guarantee about
-     * what this will mean, and the handler callback may still be
-     * called.
-     */
-    void cancelAsyncLayerCreation(LayerCreationAsyncHandle handle);
 
     /**
      * Delete the given layer, and also its associated model if no
      * longer used by any other layer.  In general, this should be the
      * only method used to delete layers -- doing so directly is a bit

      */
     ModelId getMainModel() { return m_mainModel; }
     
     std::vector<ModelId> getTransformInputModels();
 
-    //??? investigate & document
+    /**
+     * Return true if the model id is known to be the main model or
+     * one of the other existing models that can be shown in a new
+     * layer.
+     */
     bool isKnownModel(ModelId) const;
 
     /**
      * Add a derived model associated with the given transform,
      * running the transform and returning the resulting model.