GdipGetImageDecodersSize

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

Status GdipGetImageDecodersSize(
    DWORD* numDecoders,
    DWORD* size
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetImageDecodersSize(
    <Out> ByRef numDecoders As UInteger,   ' DWORD* out
    <Out> ByRef size As UInteger   ' DWORD* out
) As Integer
End Function

' numDecoders : DWORD* out
' size : DWORD* out
Declare PtrSafe Function GdipGetImageDecodersSize Lib "gdiplus" ( _
    ByRef numDecoders As Long, _
    ByRef size 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

GdipGetImageDecodersSize = ctypes.windll.gdiplus.GdipGetImageDecodersSize
GdipGetImageDecodersSize.restype = ctypes.c_int
GdipGetImageDecodersSize.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # numDecoders : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # size : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetImageDecodersSize = Fiddle::Function.new(
  lib['GdipGetImageDecodersSize'],
  [
    Fiddle::TYPE_VOIDP,  # numDecoders : DWORD* out
    Fiddle::TYPE_VOIDP,  # size : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetImageDecodersSize(
        numDecoders: *mut u32,  // DWORD* out
        size: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetImageDecodersSize(out uint numDecoders, out uint size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetImageDecodersSize' -Namespace Win32 -PassThru
# $api::GdipGetImageDecodersSize(numDecoders, size)

#uselib "gdiplus.dll"
#func global GdipGetImageDecodersSize "GdipGetImageDecodersSize" sptr, sptr
; GdipGetImageDecodersSize varptr(numDecoders), varptr(size)   ; 戻り値は stat
; numDecoders : DWORD* out -> "sptr"
; size : DWORD* 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")
	procGdipGetImageDecodersSize = gdiplus.NewProc("GdipGetImageDecodersSize")
)

// numDecoders (DWORD* out), size (DWORD* out)
r1, _, err := procGdipGetImageDecodersSize.Call(
	uintptr(numDecoders),
	uintptr(size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetImageDecodersSize(
  numDecoders: Pointer;   // DWORD* out
  size: Pointer   // DWORD* out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageDecodersSize';

result := DllCall("gdiplus\GdipGetImageDecodersSize"
    , "Ptr", numDecoders   ; DWORD* out
    , "Ptr", size   ; DWORD* out
    , "Int")   ; return: Status

●GdipGetImageDecodersSize(numDecoders, size) = DLL("gdiplus.dll", "int GdipGetImageDecodersSize(void*, void*)")
# 呼び出し: GdipGetImageDecodersSize(numDecoders, size)
# numDecoders : DWORD* out -> "void*"
# size : DWORD* 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 GdipGetImageDecodersSize(
    numDecoders: [*c]u32, // DWORD* out
    size: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetImageDecodersSize(
    numDecoders: ptr uint32,  # DWORD* out
    size: ptr uint32  # DWORD* out
): int32 {.importc: "GdipGetImageDecodersSize", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetImageDecodersSize(
    uint* numDecoders,   // DWORD* out
    uint* size   // DWORD* out
);

ccall((:GdipGetImageDecodersSize, "gdiplus.dll"), stdcall, Int32,
      (Ptr{UInt32}, Ptr{UInt32}),
      numDecoders, size)
# numDecoders : DWORD* out -> Ptr{UInt32}
# size : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetImageDecodersSize(
    uint32_t* numDecoders,
    uint32_t* size);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetImageDecodersSize(numDecoders, size)
-- numDecoders : DWORD* out
-- size : DWORD* 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 GdipGetImageDecodersSize = lib.func('__stdcall', 'GdipGetImageDecodersSize', 'int32_t', ['uint32_t *', 'uint32_t *']);
// GdipGetImageDecodersSize(numDecoders, size)
// numDecoders : DWORD* out -> 'uint32_t *'
// size : DWORD* out -> 'uint32_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", {
  GdipGetImageDecodersSize: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetImageDecodersSize(numDecoders, size)
// numDecoders : DWORD* out -> "pointer"
// size : DWORD* 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 GdipGetImageDecodersSize(
    uint32_t* numDecoders,
    uint32_t* size);
C, "gdiplus.dll");
// $ffi->GdipGetImageDecodersSize(numDecoders, size);
// numDecoders : DWORD* out
// size : DWORD* 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 GdipGetImageDecodersSize(
        IntByReference numDecoders,   // DWORD* out
        IntByReference size   // DWORD* out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetImageDecodersSize = GdipGetImageDecodersSize(
    numDecoders : UInt32*,   # DWORD* out
    size : UInt32*   # DWORD* 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 GdipGetImageDecodersSizeNative = Int32 Function(Pointer<Uint32>, Pointer<Uint32>);
typedef GdipGetImageDecodersSizeDart = int Function(Pointer<Uint32>, Pointer<Uint32>);
final GdipGetImageDecodersSize = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetImageDecodersSizeNative, GdipGetImageDecodersSizeDart>('GdipGetImageDecodersSize');
// numDecoders : DWORD* out -> Pointer<Uint32>
// size : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetImageDecodersSize(
  numDecoders: Pointer;   // DWORD* out
  size: Pointer   // DWORD* out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageDecodersSize';

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

foreign import stdcall safe "GdipGetImageDecodersSize"
  c_GdipGetImageDecodersSize :: Ptr Word32 -> Ptr Word32 -> IO Int32
-- numDecoders : DWORD* out -> Ptr Word32
-- size : DWORD* out -> Ptr Word32
-- 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 gdipgetimagedecoderssize =
  foreign "GdipGetImageDecodersSize"
    ((ptr uint32_t) @-> (ptr uint32_t) @-> returning int32_t)
(* numDecoders : DWORD* out -> (ptr uint32_t) *)
(* size : DWORD* out -> (ptr uint32_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 ("GdipGetImageDecodersSize" gdip-get-image-decoders-size :convention :stdcall) :int32
  (num-decoders :pointer)   ; DWORD* out
  (size :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetImageDecodersSize = Win32::API::More->new('gdiplus',
    'int GdipGetImageDecodersSize(LPVOID numDecoders, LPVOID size)');
# my $ret = $GdipGetImageDecodersSize->Call($numDecoders, $size);
# numDecoders : DWORD* out -> LPVOID
# size : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。