pub unsafe extern "C" fn basisu_image_debug_text(
this: *mut basisu_image,
x_ofs: u32,
y_ofs: u32,
x_scale: u32,
y_scale: u32,
fg: *const basisu_color_rgba,
pBG: *const basisu_color_rgba,
alpha_only: bool,
p: *const c_char
...
)