Delete all measure objects.

close_all_measures deletes all measure objects that have been created using gen_measure_rectangle2 or gen_measure_arc. The memory used for the measure objects is freed.

close_all_measures always returns 2 (H_MSG_TRUE).

close_all_measures is reentrant and processed without parallelization.

gen_measure_rectangle2, gen_measure_arc, measure_pos, measure_pairs

close_measure

Sub-pixel operators