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set_color_depth(3)              Allegro manual              set_color_depth(3)

NAME
       set_color_depth - Sets the global pixel color depth. Allegro game
       programming library.

SYNOPSIS
       #include <allegro.h>

       void set_color_depth(int depth);

DESCRIPTION
       Sets the pixel format to be used by subsequent calls to set_gfx_mode()
       and create_bitmap(). Valid depths are 8 (the default), 15, 16, 24, and
       32 bits. Example:

          set_color_depth(32);
          if (set_gfx_mode(GFX_AUTODETECT, 640, 480, 0, 0) != 0) {
             abort_on_error("Couldn't set a 32 bit color resolution");
          }

       Note that the screen color depth won't change until the next successful
       call to set_gfx_mode().

SEE ALSO
       get_color_depth(3), set_gfx_mode(3), set_color_conversion(3),
       makecol(3), getr(3), desktop_color_depth(3)

Allegro                          version 4.4.2              set_color_depth(3)