GetEnhMetaFilePixelFormat

// GDI32.dll
#include <windows.h>

DWORD GetEnhMetaFilePixelFormat(
    HENHMETAFILE hemf,
    DWORD cbBuffer,
    PIXELFORMATDESCRIPTOR* ppfd   // optional
);

<DllImport("GDI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetEnhMetaFilePixelFormat(
    hemf As IntPtr,   ' HENHMETAFILE
    cbBuffer As UInteger,   ' DWORD
    ppfd As IntPtr   ' PIXELFORMATDESCRIPTOR* optional, out
) As UInteger
End Function

' hemf : HENHMETAFILE
' cbBuffer : DWORD
' ppfd : PIXELFORMATDESCRIPTOR* optional, out
Declare PtrSafe Function GetEnhMetaFilePixelFormat Lib "gdi32" ( _
    ByVal hemf As LongPtr, _
    ByVal cbBuffer As Long, _
    ByVal ppfd 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

GetEnhMetaFilePixelFormat = ctypes.windll.gdi32.GetEnhMetaFilePixelFormat
GetEnhMetaFilePixelFormat.restype = wintypes.DWORD
GetEnhMetaFilePixelFormat.argtypes = [
    wintypes.HANDLE,  # hemf : HENHMETAFILE
    wintypes.DWORD,  # cbBuffer : DWORD
    ctypes.c_void_p,  # ppfd : PIXELFORMATDESCRIPTOR* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetEnhMetaFilePixelFormat = Fiddle::Function.new(
  lib['GetEnhMetaFilePixelFormat'],
  [
    Fiddle::TYPE_VOIDP,  # hemf : HENHMETAFILE
    -Fiddle::TYPE_INT,  # cbBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # ppfd : PIXELFORMATDESCRIPTOR* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GetEnhMetaFilePixelFormat(
        hemf: *mut core::ffi::c_void,  // HENHMETAFILE
        cbBuffer: u32,  // DWORD
        ppfd: *mut PIXELFORMATDESCRIPTOR  // PIXELFORMATDESCRIPTOR* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll", SetLastError = true)]
public static extern uint GetEnhMetaFilePixelFormat(IntPtr hemf, uint cbBuffer, IntPtr ppfd);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetEnhMetaFilePixelFormat' -Namespace Win32 -PassThru
# $api::GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd)

#uselib "GDI32.dll"
#func global GetEnhMetaFilePixelFormat "GetEnhMetaFilePixelFormat" sptr, sptr, sptr
; GetEnhMetaFilePixelFormat hemf, cbBuffer, varptr(ppfd)   ; 戻り値は stat
; hemf : HENHMETAFILE -> "sptr"
; cbBuffer : DWORD -> "sptr"
; ppfd : PIXELFORMATDESCRIPTOR* optional, 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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetEnhMetaFilePixelFormat = gdi32.NewProc("GetEnhMetaFilePixelFormat")
)

// hemf (HENHMETAFILE), cbBuffer (DWORD), ppfd (PIXELFORMATDESCRIPTOR* optional, out)
r1, _, err := procGetEnhMetaFilePixelFormat.Call(
	uintptr(hemf),
	uintptr(cbBuffer),
	uintptr(ppfd),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetEnhMetaFilePixelFormat(
  hemf: THandle;   // HENHMETAFILE
  cbBuffer: DWORD;   // DWORD
  ppfd: Pointer   // PIXELFORMATDESCRIPTOR* optional, out
): DWORD; stdcall;
  external 'GDI32.dll' name 'GetEnhMetaFilePixelFormat';

result := DllCall("GDI32\GetEnhMetaFilePixelFormat"
    , "Ptr", hemf   ; HENHMETAFILE
    , "UInt", cbBuffer   ; DWORD
    , "Ptr", ppfd   ; PIXELFORMATDESCRIPTOR* optional, out
    , "UInt")   ; return: DWORD

●GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd) = DLL("GDI32.dll", "dword GetEnhMetaFilePixelFormat(void*, dword, void*)")
# 呼び出し: GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd)
# hemf : HENHMETAFILE -> "void*"
# cbBuffer : DWORD -> "dword"
# ppfd : PIXELFORMATDESCRIPTOR* optional, 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 "gdi32" fn GetEnhMetaFilePixelFormat(
    hemf: ?*anyopaque, // HENHMETAFILE
    cbBuffer: u32, // DWORD
    ppfd: [*c]PIXELFORMATDESCRIPTOR // PIXELFORMATDESCRIPTOR* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc GetEnhMetaFilePixelFormat(
    hemf: pointer,  # HENHMETAFILE
    cbBuffer: uint32,  # DWORD
    ppfd: ptr PIXELFORMATDESCRIPTOR  # PIXELFORMATDESCRIPTOR* optional, out
): uint32 {.importc: "GetEnhMetaFilePixelFormat", stdcall, dynlib: "GDI32.dll".}

pragma(lib, "gdi32");
extern(Windows)
uint GetEnhMetaFilePixelFormat(
    void* hemf,   // HENHMETAFILE
    uint cbBuffer,   // DWORD
    PIXELFORMATDESCRIPTOR* ppfd   // PIXELFORMATDESCRIPTOR* optional, out
);

ccall((:GetEnhMetaFilePixelFormat, "GDI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, Ptr{PIXELFORMATDESCRIPTOR}),
      hemf, cbBuffer, ppfd)
# hemf : HENHMETAFILE -> Ptr{Cvoid}
# cbBuffer : DWORD -> UInt32
# ppfd : PIXELFORMATDESCRIPTOR* optional, out -> Ptr{PIXELFORMATDESCRIPTOR}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetEnhMetaFilePixelFormat(
    void* hemf,
    uint32_t cbBuffer,
    void* ppfd);
]]
local gdi32 = ffi.load("gdi32")
-- gdi32.GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd)
-- hemf : HENHMETAFILE
-- cbBuffer : DWORD
-- ppfd : PIXELFORMATDESCRIPTOR* optional, 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('GDI32.dll');
const GetEnhMetaFilePixelFormat = lib.func('__stdcall', 'GetEnhMetaFilePixelFormat', 'uint32_t', ['void *', 'uint32_t', 'void *']);
// GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd)
// hemf : HENHMETAFILE -> 'void *'
// cbBuffer : DWORD -> 'uint32_t'
// ppfd : PIXELFORMATDESCRIPTOR* optional, 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("GDI32.dll", {
  GetEnhMetaFilePixelFormat: { parameters: ["pointer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd)
// hemf : HENHMETAFILE -> "pointer"
// cbBuffer : DWORD -> "u32"
// ppfd : PIXELFORMATDESCRIPTOR* optional, 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
uint32_t GetEnhMetaFilePixelFormat(
    void* hemf,
    uint32_t cbBuffer,
    void* ppfd);
C, "GDI32.dll");
// $ffi->GetEnhMetaFilePixelFormat(hemf, cbBuffer, ppfd);
// hemf : HENHMETAFILE
// cbBuffer : DWORD
// ppfd : PIXELFORMATDESCRIPTOR* optional, 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 Gdi32 extends StdCallLibrary {
    Gdi32 INSTANCE = Native.load("gdi32", Gdi32.class);
    int GetEnhMetaFilePixelFormat(
        Pointer hemf,   // HENHMETAFILE
        int cbBuffer,   // DWORD
        Pointer ppfd   // PIXELFORMATDESCRIPTOR* optional, out
    );
}

@[Link("gdi32")]
lib LibGDI32
  fun GetEnhMetaFilePixelFormat = GetEnhMetaFilePixelFormat(
    hemf : Void*,   # HENHMETAFILE
    cbBuffer : UInt32,   # DWORD
    ppfd : PIXELFORMATDESCRIPTOR*   # PIXELFORMATDESCRIPTOR* optional, out
  ) : 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 GetEnhMetaFilePixelFormatNative = Uint32 Function(Pointer<Void>, Uint32, Pointer<Void>);
typedef GetEnhMetaFilePixelFormatDart = int Function(Pointer<Void>, int, Pointer<Void>);
final GetEnhMetaFilePixelFormat = DynamicLibrary.open('GDI32.dll')
    .lookupFunction<GetEnhMetaFilePixelFormatNative, GetEnhMetaFilePixelFormatDart>('GetEnhMetaFilePixelFormat');
// hemf : HENHMETAFILE -> Pointer<Void>
// cbBuffer : DWORD -> Uint32
// ppfd : PIXELFORMATDESCRIPTOR* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetEnhMetaFilePixelFormat(
  hemf: THandle;   // HENHMETAFILE
  cbBuffer: DWORD;   // DWORD
  ppfd: Pointer   // PIXELFORMATDESCRIPTOR* optional, out
): DWORD; stdcall;
  external 'GDI32.dll' name 'GetEnhMetaFilePixelFormat';

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

foreign import stdcall safe "GetEnhMetaFilePixelFormat"
  c_GetEnhMetaFilePixelFormat :: Ptr () -> Word32 -> Ptr () -> IO Word32
-- hemf : HENHMETAFILE -> Ptr ()
-- cbBuffer : DWORD -> Word32
-- ppfd : PIXELFORMATDESCRIPTOR* optional, 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 getenhmetafilepixelformat =
  foreign "GetEnhMetaFilePixelFormat"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* hemf : HENHMETAFILE -> (ptr void) *)
(* cbBuffer : DWORD -> uint32_t *)
(* ppfd : PIXELFORMATDESCRIPTOR* optional, 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 gdi32 (t "GDI32.dll"))
(cffi:use-foreign-library gdi32)

(cffi:defcfun ("GetEnhMetaFilePixelFormat" get-enh-meta-file-pixel-format :convention :stdcall) :uint32
  (hemf :pointer)   ; HENHMETAFILE
  (cb-buffer :uint32)   ; DWORD
  (ppfd :pointer))   ; PIXELFORMATDESCRIPTOR* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetEnhMetaFilePixelFormat = Win32::API::More->new('GDI32',
    'DWORD GetEnhMetaFilePixelFormat(HANDLE hemf, DWORD cbBuffer, LPVOID ppfd)');
# my $ret = $GetEnhMetaFilePixelFormat->Call($hemf, $cbBuffer, $ppfd);
# hemf : HENHMETAFILE -> HANDLE
# cbBuffer : DWORD -> DWORD
# ppfd : PIXELFORMATDESCRIPTOR* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。