Fields
- width: s32
- height: s32
- xoffset: s32
- format: s32
- data: *u8
- byte_order: s32
- bitmap_unit: s32
- bitmap_bit_order: s32
- bitmap_pad: s32
- depth: s32
- bytes_per_line: s32
- bits_per_pixel: s32
- red_mask: u64
- green_mask: u64
- blue_mask: u64
- obdata: XPointer
- f: funcs