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al_get_pixel(3) 	    Library Functions Manual		 al_get_pixel(3)

NAME
     al_get_pixel - Allegro 5 API

SYNOPSIS
	    #include <allegro5/allegro.h>

	    ALLEGRO_COLOR al_get_pixel(ALLEGRO_BITMAP *bitmap, int x, int y)

DESCRIPTION
     Get  a  pixel's  color  value from the specified bitmap.  This operation is
     slow on non-memory bitmaps.  Consider locking the bitmap if you  are  going
     to use this function multiple times on the same bitmap.

SEE ALSO
     ALLEGRO_COLOR(3), al_put_pixel(3), al_lock_bitmap(3)

Allegro reference manual					 al_get_pixel(3)

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<https://man.freebsd.org/cgi/man.cgi?query=al_get_pixel&sektion=3&manpath=FreeBSD+Ports+15.1.quarterly>

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