.\" Automatically generated by Pandoc 2.2.1 .\" .TH "al_convert_mask_to_alpha" "3alleg5" "" "Allegro reference manual" "" .hy .SH NAME .PP al_convert_mask_to_alpha \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ void\ al_convert_mask_to_alpha(ALLEGRO_BITMAP\ *bitmap,\ ALLEGRO_COLOR\ mask_color) \f[] .fi .SH DESCRIPTION .PP Convert the given mask color to an alpha channel in the bitmap. Can be used to convert older 4.2\-style bitmaps with magic pink to alpha\-ready bitmaps. .SH SEE ALSO .PP ALLEGRO_COLOR(3alleg5)