comparison transform/ModelTransformer.h @ 1079:6ea7761a418b

Emit a signal if transform fails

      * delete the transform before assuming its input and output
      * models are no longer required.
      */
     void abandon() { m_abandoned = true; }
 
+    /**
+     * Return true if the processing thread is being or has been
+     * abandoned, i.e. if abandon() has been called.
+     */
+    bool isAbandoned() const { return m_abandoned; }
+    
     /**
      * Return the input model for the transform.
      */
     Model *getInputModel()  { return m_input.getModel(); }