> When using mono mode, the bitmap is rendered in big endian format where the > most significant bit is the leftmost pixel, while in default mode the > bitmap is rendered in little endian, consistent with my cpu.
This is documented https://freetype.org/freetype2/docs/reference/ft2-basic_types.html#ft_pixel_mode_mono No major gray or color image format specifies its bit endianness, as far as I know, neither does FreeType. A.
