MFCopyImage

// MFPlat.dll
#include <windows.h>

HRESULT MFCopyImage(
    BYTE* pDest,
    INT lDestStride,
    const BYTE* pSrc,
    INT lSrcStride,
    DWORD dwWidthInBytes,
    DWORD dwLines
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCopyImage(
    pDest As IntPtr,   ' BYTE* out
    lDestStride As Integer,   ' INT
    pSrc As IntPtr,   ' BYTE*
    lSrcStride As Integer,   ' INT
    dwWidthInBytes As UInteger,   ' DWORD
    dwLines As UInteger   ' DWORD
) As Integer
End Function

' pDest : BYTE* out
' lDestStride : INT
' pSrc : BYTE*
' lSrcStride : INT
' dwWidthInBytes : DWORD
' dwLines : DWORD
Declare PtrSafe Function MFCopyImage Lib "mfplat" ( _
    ByVal pDest As LongPtr, _
    ByVal lDestStride As Long, _
    ByVal pSrc As LongPtr, _
    ByVal lSrcStride As Long, _
    ByVal dwWidthInBytes As Long, _
    ByVal dwLines As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFCopyImage = ctypes.windll.mfplat.MFCopyImage
MFCopyImage.restype = ctypes.c_int
MFCopyImage.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # pDest : BYTE* out
    ctypes.c_int,  # lDestStride : INT
    ctypes.POINTER(ctypes.c_ubyte),  # pSrc : BYTE*
    ctypes.c_int,  # lSrcStride : INT
    wintypes.DWORD,  # dwWidthInBytes : DWORD
    wintypes.DWORD,  # dwLines : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCopyImage = Fiddle::Function.new(
  lib['MFCopyImage'],
  [
    Fiddle::TYPE_VOIDP,  # pDest : BYTE* out
    Fiddle::TYPE_INT,  # lDestStride : INT
    Fiddle::TYPE_VOIDP,  # pSrc : BYTE*
    Fiddle::TYPE_INT,  # lSrcStride : INT
    -Fiddle::TYPE_INT,  # dwWidthInBytes : DWORD
    -Fiddle::TYPE_INT,  # dwLines : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCopyImage(
        pDest: *mut u8,  // BYTE* out
        lDestStride: i32,  // INT
        pSrc: *const u8,  // BYTE*
        lSrcStride: i32,  // INT
        dwWidthInBytes: u32,  // DWORD
        dwLines: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCopyImage(IntPtr pDest, int lDestStride, IntPtr pSrc, int lSrcStride, uint dwWidthInBytes, uint dwLines);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCopyImage' -Namespace Win32 -PassThru
# $api::MFCopyImage(pDest, lDestStride, pSrc, lSrcStride, dwWidthInBytes, dwLines)

#uselib "MFPlat.dll"
#func global MFCopyImage "MFCopyImage" sptr, sptr, sptr, sptr, sptr, sptr
; MFCopyImage varptr(pDest), lDestStride, varptr(pSrc), lSrcStride, dwWidthInBytes, dwLines   ; 戻り値は stat
; pDest : BYTE* out -> "sptr"
; lDestStride : INT -> "sptr"
; pSrc : BYTE* -> "sptr"
; lSrcStride : INT -> "sptr"
; dwWidthInBytes : DWORD -> "sptr"
; dwLines : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "MFPlat.dll"
#cfunc global MFCopyImage "MFCopyImage" var, int, var, int, int, int
; res = MFCopyImage(pDest, lDestStride, pSrc, lSrcStride, dwWidthInBytes, dwLines)
; pDest : BYTE* out -> "var"
; lDestStride : INT -> "int"
; pSrc : BYTE* -> "var"
; lSrcStride : INT -> "int"
; dwWidthInBytes : DWORD -> "int"
; dwLines : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT MFCopyImage(BYTE* pDest, INT lDestStride, BYTE* pSrc, INT lSrcStride, DWORD dwWidthInBytes, DWORD dwLines)
#uselib "MFPlat.dll"
#cfunc global MFCopyImage "MFCopyImage" var, int, var, int, int, int
; res = MFCopyImage(pDest, lDestStride, pSrc, lSrcStride, dwWidthInBytes, dwLines)
; pDest : BYTE* out -> "var"
; lDestStride : INT -> "int"
; pSrc : BYTE* -> "var"
; lSrcStride : INT -> "int"
; dwWidthInBytes : DWORD -> "int"
; dwLines : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCopyImage = mfplat.NewProc("MFCopyImage")
)

// pDest (BYTE* out), lDestStride (INT), pSrc (BYTE*), lSrcStride (INT), dwWidthInBytes (DWORD), dwLines (DWORD)
r1, _, err := procMFCopyImage.Call(
	uintptr(pDest),
	uintptr(lDestStride),
	uintptr(pSrc),
	uintptr(lSrcStride),
	uintptr(dwWidthInBytes),
	uintptr(dwLines),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCopyImage(
  pDest: Pointer;   // BYTE* out
  lDestStride: Integer;   // INT
  pSrc: Pointer;   // BYTE*
  lSrcStride: Integer;   // INT
  dwWidthInBytes: DWORD;   // DWORD
  dwLines: DWORD   // DWORD
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCopyImage';

result := DllCall("MFPlat\MFCopyImage"
    , "Ptr", pDest   ; BYTE* out
    , "Int", lDestStride   ; INT
    , "Ptr", pSrc   ; BYTE*
    , "Int", lSrcStride   ; INT
    , "UInt", dwWidthInBytes   ; DWORD
    , "UInt", dwLines   ; DWORD
    , "Int")   ; return: HRESULT

●MFCopyImage(pDest, lDestStride, pSrc, lSrcStride, dwWidthInBytes, dwLines) = DLL("MFPlat.dll", "int MFCopyImage(void*, int, void*, int, dword, dword)")
# 呼び出し: MFCopyImage(pDest, lDestStride, pSrc, lSrcStride, dwWidthInBytes, dwLines)
# pDest : BYTE* out -> "void*"
# lDestStride : INT -> "int"
# pSrc : BYTE* -> "void*"
# lSrcStride : INT -> "int"
# dwWidthInBytes : DWORD -> "dword"
# dwLines : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。