opendarwin man page for set_trans_blender

set_trans_blender(3alleg4)					  Allegro manual					set_trans_blender(3alleg4)

NAME
       set_trans_blender - Enables a truecolor blender. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       void set_trans_blender(int r, int g, int b, int a);

DESCRIPTION
       Enables a linear interpolator blender mode for combining translucent or lit truecolor pixels.

SEE ALSO
       set_blender_mode(3alleg4),  set_alpha_blender(3alleg4),	set_write_alpha_blender(3alleg4),  color_map(3alleg4), draw_trans_sprite(3alleg4),
       draw_lit_sprite(3alleg4), drawing_mode(3alleg4), set_add_blender(3alleg4), set_burn_blender(3alleg4), set_color_blender(3alleg4),  set_dif-
       ference_blender(3alleg4), set_dissolve_blender(3alleg4), set_dodge_blender(3alleg4), set_hue_blender(3alleg4), set_invert_blender(3alleg4),
       set_luminance_blender(3alleg4), set_multiply_blender(3alleg4), set_saturation_blender(3alleg4), set_screen_blender(3alleg4), ex3d(3alleg4),
       exblend(3alleg4), exrotscl(3alleg4), exshade(3alleg4), extrans(3alleg4), extrans2(3alleg4), exxfade(3alleg4)

Allegro 							   version 4.4.2					set_trans_blender(3alleg4)