f_ba 1590 ext/gd/libgd/gd_interpolation.c register gdFixed f_RX, f_R, f_rs, f_gs, f_bs, f_ba; f_ba 1609 ext/gd/libgd/gd_interpolation.c f_ba = gd_itofx(gdTrueColorGetAlpha(c)); f_ba 1614 ext/gd/libgd/gd_interpolation.c f_alpha += gd_mulfx(f_ba,f_R);