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.TH "al_lock_bitmap_region_blocked" "3alleg5" "" "Allegro reference manual" ""
.hy
.SH NAME
.PP
al_lock_bitmap_region_blocked - Allegro 5 API
.SH SYNOPSIS
.IP
.nf
\f[C]
#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)
\f[R]
.fi
.SH DESCRIPTION
.PP
Like al_lock_bitmap_blocked(3alleg5), but allows locking a sub-region,
for performance.
Unlike al_lock_bitmap_region(3alleg5) the region specified in terms of
blocks and not pixels.
.SH SINCE
.PP
5.1.9
.SH SEE ALSO
.PP
al_lock_bitmap_region(3alleg5), al_lock_bitmap_blocked(3alleg5)