makeacol32 man page on DragonFly

makeacol32 man page on DragonFly

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makeacol32(3)			Allegro manual			 makeacol32(3)

NAME
       makeacol32 - Converts an RGBA color into a 32-bit display pixel format.
       Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int makeacol32(int r, int g, int b, int a);

DESCRIPTION
       Converts an RGBA color  into  a	32-bit	display	 pixel	format,	 which
       includes	 an  alpha (transparency) value. There are no versions of this
       routine for other color depths, because	only  the  32-bit  format  has
       enough  room  to store a proper alpha channel. You should only use RGBA
       format	colors	 as    the    input    to    draw_trans_sprite()    or
       draw_trans_rle_sprite()	after calling set_alpha_blender(), rather than
       drawing them directly to the screen.

SEE ALSO
       makeacol(3), set_alpha_blender(3), set_write_alpha_blender(3)

Allegro				 version 4.4.2			 makeacol32(3)

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