Specifically, to pass as third arg to Gimp.PDB.gimp_pencil(layer, 4 line). Said argument should be GimpFloatArray according to PDBBrowser. I create a GimpValueArray to pass args to the pdb. To create a GValue for the third arg, I tried: GObject.Value(Gimp.FloatArray.__gtype__, (1.0, 1.0, 1.0, 1.0) which throws exception .... Expected: Boxed. Thrown by pygobject/gi/pygi-value.c about line 556. At line 537, it seems like it should work if G_VALUE_HOLDS(value, G_TYPE_ARRAY) for GimpFloatArray gtype. My understanding is that PyGObject would then create a GArray from the Python list of floats for the value of the GValue. My best guess is Gimp is missing GI annotations or implementation for GimpFloatArray. Using Gimp 2.99, I am porting GimpFu. There might be a related problem receiving GimpInt32Array *from* Gimp (not *to* Gimp as above.) I suppose I could try the Lua or Scheme binding. _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@xxxxxxxxx List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list List archives: https://mail.gnome.org/archives/gimp-developer-list