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.TH "al_lock_bitmap_region_blocked" "3" "" "Allegro reference manual"
.SH NAME
al_lock_bitmap_region_blocked \- Allegro 5 API
.SH SYNOPSIS
.IP
.EX
#include \f[B]<allegro5/allegro.h>\f[R]

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)
.EE
.SH 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.
.SH SINCE
5.1.9
.SH SEE ALSO
al_lock_bitmap_region(3), al_lock_bitmap_blocked(3)