GdipGetMetafileHeaderFromEmf

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

Status GdipGetMetafileHeaderFromEmf(
    HENHMETAFILE hEmf,
    MetafileHeader* header
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetMetafileHeaderFromEmf(
    hEmf As IntPtr,   ' HENHMETAFILE
    header As IntPtr   ' MetafileHeader* in/out
) As Integer
End Function

' hEmf : HENHMETAFILE
' header : MetafileHeader* in/out
Declare PtrSafe Function GdipGetMetafileHeaderFromEmf Lib "gdiplus" ( _
    ByVal hEmf As LongPtr, _
    ByVal header As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetMetafileHeaderFromEmf = ctypes.windll.gdiplus.GdipGetMetafileHeaderFromEmf
GdipGetMetafileHeaderFromEmf.restype = ctypes.c_int
GdipGetMetafileHeaderFromEmf.argtypes = [
    wintypes.HANDLE,  # hEmf : HENHMETAFILE
    ctypes.c_void_p,  # header : MetafileHeader* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetMetafileHeaderFromEmf = Fiddle::Function.new(
  lib['GdipGetMetafileHeaderFromEmf'],
  [
    Fiddle::TYPE_VOIDP,  # hEmf : HENHMETAFILE
    Fiddle::TYPE_VOIDP,  # header : MetafileHeader* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetMetafileHeaderFromEmf(
        hEmf: *mut core::ffi::c_void,  // HENHMETAFILE
        header: *mut MetafileHeader  // MetafileHeader* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetMetafileHeaderFromEmf(IntPtr hEmf, IntPtr header);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetMetafileHeaderFromEmf' -Namespace Win32 -PassThru
# $api::GdipGetMetafileHeaderFromEmf(hEmf, header)

#uselib "gdiplus.dll"
#func global GdipGetMetafileHeaderFromEmf "GdipGetMetafileHeaderFromEmf" sptr, sptr
; GdipGetMetafileHeaderFromEmf hEmf, varptr(header)   ; 戻り値は stat
; hEmf : HENHMETAFILE -> "sptr"
; header : MetafileHeader* in/out -> "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")
	procGdipGetMetafileHeaderFromEmf = gdiplus.NewProc("GdipGetMetafileHeaderFromEmf")
)

// hEmf (HENHMETAFILE), header (MetafileHeader* in/out)
r1, _, err := procGdipGetMetafileHeaderFromEmf.Call(
	uintptr(hEmf),
	uintptr(header),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetMetafileHeaderFromEmf(
  hEmf: THandle;   // HENHMETAFILE
  header: Pointer   // MetafileHeader* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetMetafileHeaderFromEmf';

result := DllCall("gdiplus\GdipGetMetafileHeaderFromEmf"
    , "Ptr", hEmf   ; HENHMETAFILE
    , "Ptr", header   ; MetafileHeader* in/out
    , "Int")   ; return: Status

●GdipGetMetafileHeaderFromEmf(hEmf, header) = DLL("gdiplus.dll", "int GdipGetMetafileHeaderFromEmf(void*, void*)")
# 呼び出し: GdipGetMetafileHeaderFromEmf(hEmf, header)
# hEmf : HENHMETAFILE -> "void*"
# header : MetafileHeader* in/out -> "void*"
# 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 GdipGetMetafileHeaderFromEmf(
    hEmf: ?*anyopaque, // HENHMETAFILE
    header: [*c]MetafileHeader // MetafileHeader* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetMetafileHeaderFromEmf(
    hEmf: pointer,  # HENHMETAFILE
    header: ptr MetafileHeader  # MetafileHeader* in/out
): int32 {.importc: "GdipGetMetafileHeaderFromEmf", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetMetafileHeaderFromEmf(
    void* hEmf,   // HENHMETAFILE
    MetafileHeader* header   // MetafileHeader* in/out
);

ccall((:GdipGetMetafileHeaderFromEmf, "gdiplus.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{MetafileHeader}),
      hEmf, header)
# hEmf : HENHMETAFILE -> Ptr{Cvoid}
# header : MetafileHeader* in/out -> Ptr{MetafileHeader}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetMetafileHeaderFromEmf(
    void* hEmf,
    void* header);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetMetafileHeaderFromEmf(hEmf, header)
-- hEmf : HENHMETAFILE
-- header : MetafileHeader* in/out
-- 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 GdipGetMetafileHeaderFromEmf = lib.func('__stdcall', 'GdipGetMetafileHeaderFromEmf', 'int32_t', ['void *', 'void *']);
// GdipGetMetafileHeaderFromEmf(hEmf, header)
// hEmf : HENHMETAFILE -> 'void *'
// header : MetafileHeader* in/out -> 'void *'
// 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", {
  GdipGetMetafileHeaderFromEmf: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetMetafileHeaderFromEmf(hEmf, header)
// hEmf : HENHMETAFILE -> "pointer"
// header : MetafileHeader* in/out -> "pointer"
// 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
int32_t GdipGetMetafileHeaderFromEmf(
    void* hEmf,
    void* header);
C, "gdiplus.dll");
// $ffi->GdipGetMetafileHeaderFromEmf(hEmf, header);
// hEmf : HENHMETAFILE
// header : MetafileHeader* in/out
// 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 GdipGetMetafileHeaderFromEmf(
        Pointer hEmf,   // HENHMETAFILE
        Pointer header   // MetafileHeader* in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetMetafileHeaderFromEmf = GdipGetMetafileHeaderFromEmf(
    hEmf : Void*,   # HENHMETAFILE
    header : MetafileHeader*   # MetafileHeader* in/out
  ) : Int32
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 GdipGetMetafileHeaderFromEmfNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef GdipGetMetafileHeaderFromEmfDart = int Function(Pointer<Void>, Pointer<Void>);
final GdipGetMetafileHeaderFromEmf = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetMetafileHeaderFromEmfNative, GdipGetMetafileHeaderFromEmfDart>('GdipGetMetafileHeaderFromEmf');
// hEmf : HENHMETAFILE -> Pointer<Void>
// header : MetafileHeader* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetMetafileHeaderFromEmf(
  hEmf: THandle;   // HENHMETAFILE
  header: Pointer   // MetafileHeader* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetMetafileHeaderFromEmf';

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

foreign import stdcall safe "GdipGetMetafileHeaderFromEmf"
  c_GdipGetMetafileHeaderFromEmf :: Ptr () -> Ptr () -> IO Int32
-- hEmf : HENHMETAFILE -> Ptr ()
-- header : MetafileHeader* in/out -> Ptr ()
-- 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 gdipgetmetafileheaderfromemf =
  foreign "GdipGetMetafileHeaderFromEmf"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* hEmf : HENHMETAFILE -> (ptr void) *)
(* header : MetafileHeader* in/out -> (ptr void) *)
(* 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 ("GdipGetMetafileHeaderFromEmf" gdip-get-metafile-header-from-emf :convention :stdcall) :int32
  (h-emf :pointer)   ; HENHMETAFILE
  (header :pointer))   ; MetafileHeader* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetMetafileHeaderFromEmf = Win32::API::More->new('gdiplus',
    'int GdipGetMetafileHeaderFromEmf(HANDLE hEmf, LPVOID header)');
# my $ret = $GdipGetMetafileHeaderFromEmf->Call($hEmf, $header);
# hEmf : HENHMETAFILE -> HANDLE
# header : MetafileHeader* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。