Dialog won't open if selection too big
Dialog won't open if inpaint region is too big (more than 500 px wide?)
Related to the preview I assume.
Sometimes there is an error:
** (inpaint-BCT:22855): WARNING **: fill_stop_path_buffer_from_path with path_id = -1
*** Error in `/home/cbm/.gimp-2.8/plug-ins/inpaint-BCT': malloc(): memory corruption (fast): 0x0000000000e26ec0 ***
*** Error in `/home/cbm/.gimp-2.8/plug-ins/inpaint-BCT': malloc(): memory corruption (fast): 0x0000000000e26e30 ***