ctx_set_progress_granularity 7559 imlib2.c         rb_define_method(cContext, "set_progress_granularity", ctx_set_progress_granularity, 1);
ctx_set_progress_granularity 7560 imlib2.c         rb_define_method(cContext, "progress_granularity=", ctx_set_progress_granularity, 1);