BITMAPINFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BITMAPINFOHEADER
{
    public uint biSize;
    public int biWidth;
    public int biHeight;
    public ushort biPlanes;
    public ushort biBitCount;
    public uint biCompression;
    public uint biSizeImage;
    public int biXPelsPerMeter;
    public int biYPelsPerMeter;
    public uint biClrUsed;
    public uint biClrImportant;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct RGBQUAD
{
    public byte rgbBlue;
    public byte rgbGreen;
    public byte rgbRed;
    public byte rgbReserved;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct BITMAPINFO
{
    public BITMAPINFOHEADER bmiHeader;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public RGBQUAD[] bmiColors;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BITMAPINFOHEADER
    Public biSize As UInteger
    Public biWidth As Integer
    Public biHeight As Integer
    Public biPlanes As UShort
    Public biBitCount As UShort
    Public biCompression As UInteger
    Public biSizeImage As UInteger
    Public biXPelsPerMeter As Integer
    Public biYPelsPerMeter As Integer
    Public biClrUsed As UInteger
    Public biClrImportant As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure RGBQUAD
    Public rgbBlue As Byte
    Public rgbGreen As Byte
    Public rgbRed As Byte
    Public rgbReserved As Byte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure BITMAPINFO
    Public bmiHeader As BITMAPINFOHEADER
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public bmiColors() As RGBQUAD
End Structure

import ctypes
from ctypes import wintypes

class BITMAPINFOHEADER(ctypes.Structure):
    _fields_ = [
        ("biSize", wintypes.DWORD),
        ("biWidth", ctypes.c_int),
        ("biHeight", ctypes.c_int),
        ("biPlanes", ctypes.c_ushort),
        ("biBitCount", ctypes.c_ushort),
        ("biCompression", wintypes.DWORD),
        ("biSizeImage", wintypes.DWORD),
        ("biXPelsPerMeter", ctypes.c_int),
        ("biYPelsPerMeter", ctypes.c_int),
        ("biClrUsed", wintypes.DWORD),
        ("biClrImportant", wintypes.DWORD),
    ]

class RGBQUAD(ctypes.Structure):
    _fields_ = [
        ("rgbBlue", ctypes.c_ubyte),
        ("rgbGreen", ctypes.c_ubyte),
        ("rgbRed", ctypes.c_ubyte),
        ("rgbReserved", ctypes.c_ubyte),
    ]

class BITMAPINFO(ctypes.Structure):
    _fields_ = [
        ("bmiHeader", BITMAPINFOHEADER),
        ("bmiColors", RGBQUAD * 1),
    ]

#[repr(C)]
pub struct BITMAPINFOHEADER {
    pub biSize: u32,
    pub biWidth: i32,
    pub biHeight: i32,
    pub biPlanes: u16,
    pub biBitCount: u16,
    pub biCompression: u32,
    pub biSizeImage: u32,
    pub biXPelsPerMeter: i32,
    pub biYPelsPerMeter: i32,
    pub biClrUsed: u32,
    pub biClrImportant: u32,
}

#[repr(C)]
pub struct RGBQUAD {
    pub rgbBlue: u8,
    pub rgbGreen: u8,
    pub rgbRed: u8,
    pub rgbReserved: u8,
}

#[repr(C)]
pub struct BITMAPINFO {
    pub bmiHeader: BITMAPINFOHEADER,
    pub bmiColors: [RGBQUAD; 1],
}

import "golang.org/x/sys/windows"

type BITMAPINFOHEADER struct {
	biSize uint32
	biWidth int32
	biHeight int32
	biPlanes uint16
	biBitCount uint16
	biCompression uint32
	biSizeImage uint32
	biXPelsPerMeter int32
	biYPelsPerMeter int32
	biClrUsed uint32
	biClrImportant uint32
}

type RGBQUAD struct {
	rgbBlue byte
	rgbGreen byte
	rgbRed byte
	rgbReserved byte
}

type BITMAPINFO struct {
	bmiHeader BITMAPINFOHEADER
	bmiColors [1]RGBQUAD
}

type
  BITMAPINFOHEADER = record
    biSize: DWORD;
    biWidth: Integer;
    biHeight: Integer;
    biPlanes: Word;
    biBitCount: Word;
    biCompression: DWORD;
    biSizeImage: DWORD;
    biXPelsPerMeter: Integer;
    biYPelsPerMeter: Integer;
    biClrUsed: DWORD;
    biClrImportant: DWORD;
  end;

  RGBQUAD = record
    rgbBlue: Byte;
    rgbGreen: Byte;
    rgbRed: Byte;
    rgbReserved: Byte;
  end;

  BITMAPINFO = record
    bmiHeader: BITMAPINFOHEADER;
    bmiColors: array[0..0] of RGBQUAD;
  end;

const BITMAPINFOHEADER = extern struct {
    biSize: u32,
    biWidth: i32,
    biHeight: i32,
    biPlanes: u16,
    biBitCount: u16,
    biCompression: u32,
    biSizeImage: u32,
    biXPelsPerMeter: i32,
    biYPelsPerMeter: i32,
    biClrUsed: u32,
    biClrImportant: u32,
};

const RGBQUAD = extern struct {
    rgbBlue: u8,
    rgbGreen: u8,
    rgbRed: u8,
    rgbReserved: u8,
};

const BITMAPINFO = extern struct {
    bmiHeader: BITMAPINFOHEADER,
    bmiColors: [1]RGBQUAD,
};

type
  BITMAPINFOHEADER {.bycopy.} = object
    biSize: uint32
    biWidth: int32
    biHeight: int32
    biPlanes: uint16
    biBitCount: uint16
    biCompression: uint32
    biSizeImage: uint32
    biXPelsPerMeter: int32
    biYPelsPerMeter: int32
    biClrUsed: uint32
    biClrImportant: uint32

  RGBQUAD {.bycopy.} = object
    rgbBlue: uint8
    rgbGreen: uint8
    rgbRed: uint8
    rgbReserved: uint8

  BITMAPINFO {.bycopy.} = object
    bmiHeader: BITMAPINFOHEADER
    bmiColors: array[1, RGBQUAD]

struct BITMAPINFOHEADER
{
    uint biSize;
    int biWidth;
    int biHeight;
    ushort biPlanes;
    ushort biBitCount;
    uint biCompression;
    uint biSizeImage;
    int biXPelsPerMeter;
    int biYPelsPerMeter;
    uint biClrUsed;
    uint biClrImportant;
}

struct RGBQUAD
{
    ubyte rgbBlue;
    ubyte rgbGreen;
    ubyte rgbRed;
    ubyte rgbReserved;
}

struct BITMAPINFO
{
    BITMAPINFOHEADER bmiHeader;
    RGBQUAD[1] bmiColors;
}