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Man Pages


Manual Reference Pages  -  AL_LOCK_BITMAP_REGION (3)

NAME

al_lock_bitmap_region - Allegro 5 API

CONTENTS

Synopsis
Description
See Also

SYNOPSIS

C]
#include <allegro5/allegro.h>

ALLEGRO_LOCKED_REGION *al_lock_bitmap_region(ALLEGRO_BITMAP *bitmap, int x, int y, int width, int height, int format, int flags) ]

DESCRIPTION

Like al_lock_bitmap(3), but only locks a specific area of the bitmap. If the bitmap is a display bitmap, only that area of the texture will be updated when it is unlocked. Locking only the region you indend to modify will be faster than locking the whole bitmap.

SEE ALSO

ALLEGRO_LOCKED_REGION(3), ALLEGRO_PIXEL_FORMAT(3), al_unlock_bitmap(3)

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Allegro reference manual AL_LOCK_BITMAP_REGION (3)

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