al_lock_bitmap_region_blocked(3)              al_lock_bitmap_region_blocked(3)

NAME
       al_lock_bitmap_region_blocked - Allegro 5 API

SYNOPSIS

              #include <allegro5/allegro.h>

              ALLEGRO_LOCKED_REGION *al_lock_bitmap_region_blocked(ALLEGRO_BITMAP *bitmap,
                 int x_block, int y_block, int width_block, int height_block, int flags)


DESCRIPTION
       Like al_lock_bitmap_blocked(3), but allows locking a sub-region, for
       performance.  Unlike al_lock_bitmap_region(3) the region specified in
       terms of blocks and not pixels.

SINCE
       5.1.9

SEE ALSO
       al_lock_bitmap_region(3), al_lock_bitmap_blocked(3)

Allegro reference manual                      al_lock_bitmap_region_blocked(3)