GdipEmfToWmfBits

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

DWORD GdipEmfToWmfBits(
    HENHMETAFILE hemf,
    DWORD cbData16,
    BYTE* pData16,   // optional
    INT iMapMode,
    INT eFlags
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipEmfToWmfBits(
    hemf As IntPtr,   ' HENHMETAFILE
    cbData16 As UInteger,   ' DWORD
    pData16 As IntPtr,   ' BYTE* optional, out
    iMapMode As Integer,   ' INT
    eFlags As Integer   ' INT
) As UInteger
End Function

' hemf : HENHMETAFILE
' cbData16 : DWORD
' pData16 : BYTE* optional, out
' iMapMode : INT
' eFlags : INT
Declare PtrSafe Function GdipEmfToWmfBits Lib "gdiplus" ( _
    ByVal hemf As LongPtr, _
    ByVal cbData16 As Long, _
    ByVal pData16 As LongPtr, _
    ByVal iMapMode As Long, _
    ByVal eFlags 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

GdipEmfToWmfBits = ctypes.windll.gdiplus.GdipEmfToWmfBits
GdipEmfToWmfBits.restype = wintypes.DWORD
GdipEmfToWmfBits.argtypes = [
    wintypes.HANDLE,  # hemf : HENHMETAFILE
    wintypes.DWORD,  # cbData16 : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pData16 : BYTE* optional, out
    ctypes.c_int,  # iMapMode : INT
    ctypes.c_int,  # eFlags : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipEmfToWmfBits = Fiddle::Function.new(
  lib['GdipEmfToWmfBits'],
  [
    Fiddle::TYPE_VOIDP,  # hemf : HENHMETAFILE
    -Fiddle::TYPE_INT,  # cbData16 : DWORD
    Fiddle::TYPE_VOIDP,  # pData16 : BYTE* optional, out
    Fiddle::TYPE_INT,  # iMapMode : INT
    Fiddle::TYPE_INT,  # eFlags : INT
  ],
  -Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipEmfToWmfBits(
        hemf: *mut core::ffi::c_void,  // HENHMETAFILE
        cbData16: u32,  // DWORD
        pData16: *mut u8,  // BYTE* optional, out
        iMapMode: i32,  // INT
        eFlags: i32  // INT
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern uint GdipEmfToWmfBits(IntPtr hemf, uint cbData16, IntPtr pData16, int iMapMode, int eFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipEmfToWmfBits' -Namespace Win32 -PassThru
# $api::GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags)

#uselib "gdiplus.dll"
#func global GdipEmfToWmfBits "GdipEmfToWmfBits" sptr, sptr, sptr, sptr, sptr
; GdipEmfToWmfBits hemf, cbData16, varptr(pData16), iMapMode, eFlags   ; 戻り値は stat
; hemf : HENHMETAFILE -> "sptr"
; cbData16 : DWORD -> "sptr"
; pData16 : BYTE* optional, out -> "sptr"
; iMapMode : INT -> "sptr"
; eFlags : INT -> "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。

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipEmfToWmfBits = gdiplus.NewProc("GdipEmfToWmfBits")
)

// hemf (HENHMETAFILE), cbData16 (DWORD), pData16 (BYTE* optional, out), iMapMode (INT), eFlags (INT)
r1, _, err := procGdipEmfToWmfBits.Call(
	uintptr(hemf),
	uintptr(cbData16),
	uintptr(pData16),
	uintptr(iMapMode),
	uintptr(eFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GdipEmfToWmfBits(
  hemf: THandle;   // HENHMETAFILE
  cbData16: DWORD;   // DWORD
  pData16: Pointer;   // BYTE* optional, out
  iMapMode: Integer;   // INT
  eFlags: Integer   // INT
): DWORD; stdcall;
  external 'gdiplus.dll' name 'GdipEmfToWmfBits';

result := DllCall("gdiplus\GdipEmfToWmfBits"
    , "Ptr", hemf   ; HENHMETAFILE
    , "UInt", cbData16   ; DWORD
    , "Ptr", pData16   ; BYTE* optional, out
    , "Int", iMapMode   ; INT
    , "Int", eFlags   ; INT
    , "UInt")   ; return: DWORD

●GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags) = DLL("gdiplus.dll", "dword GdipEmfToWmfBits(void*, dword, void*, int, int)")
# 呼び出し: GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags)
# hemf : HENHMETAFILE -> "void*"
# cbData16 : DWORD -> "dword"
# pData16 : BYTE* optional, out -> "void*"
# iMapMode : INT -> "int"
# eFlags : INT -> "int"
# 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)。

const std = @import("std");

extern "gdiplus" fn GdipEmfToWmfBits(
    hemf: ?*anyopaque, // HENHMETAFILE
    cbData16: u32, // DWORD
    pData16: [*c]u8, // BYTE* optional, out
    iMapMode: i32, // INT
    eFlags: i32 // INT
) callconv(std.os.windows.WINAPI) u32;

proc GdipEmfToWmfBits(
    hemf: pointer,  # HENHMETAFILE
    cbData16: uint32,  # DWORD
    pData16: ptr uint8,  # BYTE* optional, out
    iMapMode: int32,  # INT
    eFlags: int32  # INT
): uint32 {.importc: "GdipEmfToWmfBits", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
uint GdipEmfToWmfBits(
    void* hemf,   // HENHMETAFILE
    uint cbData16,   // DWORD
    ubyte* pData16,   // BYTE* optional, out
    int iMapMode,   // INT
    int eFlags   // INT
);

ccall((:GdipEmfToWmfBits, "gdiplus.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Ptr{UInt8}, Int32, Int32),
      hemf, cbData16, pData16, iMapMode, eFlags)
# hemf : HENHMETAFILE -> Ptr{Cvoid}
# cbData16 : DWORD -> UInt32
# pData16 : BYTE* optional, out -> Ptr{UInt8}
# iMapMode : INT -> Int32
# eFlags : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GdipEmfToWmfBits(
    void* hemf,
    uint32_t cbData16,
    uint8_t* pData16,
    int32_t iMapMode,
    int32_t eFlags);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags)
-- hemf : HENHMETAFILE
-- cbData16 : DWORD
-- pData16 : BYTE* optional, out
-- iMapMode : INT
-- eFlags : INT
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('gdiplus.dll');
const GdipEmfToWmfBits = lib.func('__stdcall', 'GdipEmfToWmfBits', 'uint32_t', ['void *', 'uint32_t', 'uint8_t *', 'int32_t', 'int32_t']);
// GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags)
// hemf : HENHMETAFILE -> 'void *'
// cbData16 : DWORD -> 'uint32_t'
// pData16 : BYTE* optional, out -> 'uint8_t *'
// iMapMode : INT -> 'int32_t'
// eFlags : INT -> 'int32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("gdiplus.dll", {
  GdipEmfToWmfBits: { parameters: ["pointer", "u32", "pointer", "i32", "i32"], result: "u32" },
});
// lib.symbols.GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags)
// hemf : HENHMETAFILE -> "pointer"
// cbData16 : DWORD -> "u32"
// pData16 : BYTE* optional, out -> "pointer"
// iMapMode : INT -> "i32"
// eFlags : INT -> "i32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t GdipEmfToWmfBits(
    void* hemf,
    uint32_t cbData16,
    uint8_t* pData16,
    int32_t iMapMode,
    int32_t eFlags);
C, "gdiplus.dll");
// $ffi->GdipEmfToWmfBits(hemf, cbData16, pData16, iMapMode, eFlags);
// hemf : HENHMETAFILE
// cbData16 : DWORD
// pData16 : BYTE* optional, out
// iMapMode : INT
// eFlags : INT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Gdiplus extends StdCallLibrary {
    Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
    int GdipEmfToWmfBits(
        Pointer hemf,   // HENHMETAFILE
        int cbData16,   // DWORD
        byte[] pData16,   // BYTE* optional, out
        int iMapMode,   // INT
        int eFlags   // INT
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipEmfToWmfBits = GdipEmfToWmfBits(
    hemf : Void*,   # HENHMETAFILE
    cbData16 : UInt32,   # DWORD
    pData16 : UInt8*,   # BYTE* optional, out
    iMapMode : Int32,   # INT
    eFlags : Int32   # INT
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GdipEmfToWmfBitsNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Uint8>, Int32, Int32);
typedef GdipEmfToWmfBitsDart = int Function(Pointer<Void>, int, Pointer<Uint8>, int, int);
final GdipEmfToWmfBits = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipEmfToWmfBitsNative, GdipEmfToWmfBitsDart>('GdipEmfToWmfBits');
// hemf : HENHMETAFILE -> Pointer<Void>
// cbData16 : DWORD -> Uint32
// pData16 : BYTE* optional, out -> Pointer<Uint8>
// iMapMode : INT -> Int32
// eFlags : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipEmfToWmfBits(
  hemf: THandle;   // HENHMETAFILE
  cbData16: DWORD;   // DWORD
  pData16: Pointer;   // BYTE* optional, out
  iMapMode: Integer;   // INT
  eFlags: Integer   // INT
): DWORD; stdcall;
  external 'gdiplus.dll' name 'GdipEmfToWmfBits';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipEmfToWmfBits"
  c_GdipEmfToWmfBits :: Ptr () -> Word32 -> Ptr Word8 -> Int32 -> Int32 -> IO Word32
-- hemf : HENHMETAFILE -> Ptr ()
-- cbData16 : DWORD -> Word32
-- pData16 : BYTE* optional, out -> Ptr Word8
-- iMapMode : INT -> Int32
-- eFlags : INT -> Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let gdipemftowmfbits =
  foreign "GdipEmfToWmfBits"
    ((ptr void) @-> uint32_t @-> (ptr uint8_t) @-> int32_t @-> int32_t @-> returning uint32_t)
(* hemf : HENHMETAFILE -> (ptr void) *)
(* cbData16 : DWORD -> uint32_t *)
(* pData16 : BYTE* optional, out -> (ptr uint8_t) *)
(* iMapMode : INT -> int32_t *)
(* eFlags : INT -> int32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library gdiplus (t "gdiplus.dll"))
(cffi:use-foreign-library gdiplus)

(cffi:defcfun ("GdipEmfToWmfBits" gdip-emf-to-wmf-bits :convention :stdcall) :uint32
  (hemf :pointer)   ; HENHMETAFILE
  (cb-data16 :uint32)   ; DWORD
  (p-data16 :pointer)   ; BYTE* optional, out
  (i-map-mode :int32)   ; INT
  (e-flags :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipEmfToWmfBits = Win32::API::More->new('gdiplus',
    'DWORD GdipEmfToWmfBits(HANDLE hemf, DWORD cbData16, LPVOID pData16, int iMapMode, int eFlags)');
# my $ret = $GdipEmfToWmfBits->Call($hemf, $cbData16, $pData16, $iMapMode, $eFlags);
# hemf : HENHMETAFILE -> HANDLE
# cbData16 : DWORD -> DWORD
# pData16 : BYTE* optional, out -> LPVOID
# iMapMode : INT -> int
# eFlags : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。