GdipCreateMetafileFromWmfFile

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

Status GdipCreateMetafileFromWmfFile(
    LPCWSTR file,
    const WmfPlaceableFileHeader* wmfPlaceableFileHeader,
    GpMetafile** metafile
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateMetafileFromWmfFile(
    <MarshalAs(UnmanagedType.LPWStr)> file As String,   ' LPCWSTR
    wmfPlaceableFileHeader As IntPtr,   ' WmfPlaceableFileHeader*
    metafile As IntPtr   ' GpMetafile** in/out
) As Integer
End Function

' file : LPCWSTR
' wmfPlaceableFileHeader : WmfPlaceableFileHeader*
' metafile : GpMetafile** in/out
Declare PtrSafe Function GdipCreateMetafileFromWmfFile Lib "gdiplus" ( _
    ByVal file As LongPtr, _
    ByVal wmfPlaceableFileHeader As LongPtr, _
    ByVal metafile 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

GdipCreateMetafileFromWmfFile = ctypes.windll.gdiplus.GdipCreateMetafileFromWmfFile
GdipCreateMetafileFromWmfFile.restype = ctypes.c_int
GdipCreateMetafileFromWmfFile.argtypes = [
    wintypes.LPCWSTR,  # file : LPCWSTR
    ctypes.c_void_p,  # wmfPlaceableFileHeader : WmfPlaceableFileHeader*
    ctypes.c_void_p,  # metafile : GpMetafile** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateMetafileFromWmfFile = Fiddle::Function.new(
  lib['GdipCreateMetafileFromWmfFile'],
  [
    Fiddle::TYPE_VOIDP,  # file : LPCWSTR
    Fiddle::TYPE_VOIDP,  # wmfPlaceableFileHeader : WmfPlaceableFileHeader*
    Fiddle::TYPE_VOIDP,  # metafile : GpMetafile** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateMetafileFromWmfFile(
        file: *const u16,  // LPCWSTR
        wmfPlaceableFileHeader: *const WmfPlaceableFileHeader,  // WmfPlaceableFileHeader*
        metafile: *mut *mut GpMetafile  // GpMetafile** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateMetafileFromWmfFile([MarshalAs(UnmanagedType.LPWStr)] string file, IntPtr wmfPlaceableFileHeader, IntPtr metafile);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateMetafileFromWmfFile' -Namespace Win32 -PassThru
# $api::GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile)

#uselib "gdiplus.dll"
#func global GdipCreateMetafileFromWmfFile "GdipCreateMetafileFromWmfFile" sptr, sptr, sptr
; GdipCreateMetafileFromWmfFile file, varptr(wmfPlaceableFileHeader), varptr(metafile)   ; 戻り値は stat
; file : LPCWSTR -> "sptr"
; wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> "sptr"
; metafile : GpMetafile** 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")
	procGdipCreateMetafileFromWmfFile = gdiplus.NewProc("GdipCreateMetafileFromWmfFile")
)

// file (LPCWSTR), wmfPlaceableFileHeader (WmfPlaceableFileHeader*), metafile (GpMetafile** in/out)
r1, _, err := procGdipCreateMetafileFromWmfFile.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(file))),
	uintptr(wmfPlaceableFileHeader),
	uintptr(metafile),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipCreateMetafileFromWmfFile(
  file: PWideChar;   // LPCWSTR
  wmfPlaceableFileHeader: Pointer;   // WmfPlaceableFileHeader*
  metafile: Pointer   // GpMetafile** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateMetafileFromWmfFile';

result := DllCall("gdiplus\GdipCreateMetafileFromWmfFile"
    , "WStr", file   ; LPCWSTR
    , "Ptr", wmfPlaceableFileHeader   ; WmfPlaceableFileHeader*
    , "Ptr", metafile   ; GpMetafile** in/out
    , "Int")   ; return: Status

●GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile) = DLL("gdiplus.dll", "int GdipCreateMetafileFromWmfFile(char*, void*, void*)")
# 呼び出し: GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile)
# file : LPCWSTR -> "char*"
# wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> "void*"
# metafile : GpMetafile** 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 GdipCreateMetafileFromWmfFile(
    file: [*c]const u16, // LPCWSTR
    wmfPlaceableFileHeader: [*c]WmfPlaceableFileHeader, // WmfPlaceableFileHeader*
    metafile: [*c][*c]GpMetafile // GpMetafile** in/out
) callconv(std.os.windows.WINAPI) i32;

proc GdipCreateMetafileFromWmfFile(
    file: WideCString,  # LPCWSTR
    wmfPlaceableFileHeader: ptr WmfPlaceableFileHeader,  # WmfPlaceableFileHeader*
    metafile: ptr GpMetafile  # GpMetafile** in/out
): int32 {.importc: "GdipCreateMetafileFromWmfFile", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipCreateMetafileFromWmfFile(
    const(wchar)* file,   // LPCWSTR
    WmfPlaceableFileHeader* wmfPlaceableFileHeader,   // WmfPlaceableFileHeader*
    GpMetafile** metafile   // GpMetafile** in/out
);

ccall((:GdipCreateMetafileFromWmfFile, "gdiplus.dll"), stdcall, Int32,
      (Cwstring, Ptr{WmfPlaceableFileHeader}, Ptr{GpMetafile}),
      file, wmfPlaceableFileHeader, metafile)
# file : LPCWSTR -> Cwstring
# wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> Ptr{WmfPlaceableFileHeader}
# metafile : GpMetafile** in/out -> Ptr{GpMetafile}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipCreateMetafileFromWmfFile(
    const uint16_t* file,
    void* wmfPlaceableFileHeader,
    void* metafile);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile)
-- file : LPCWSTR
-- wmfPlaceableFileHeader : WmfPlaceableFileHeader*
-- metafile : GpMetafile** 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 GdipCreateMetafileFromWmfFile = lib.func('__stdcall', 'GdipCreateMetafileFromWmfFile', 'int32_t', ['str16', 'void *', 'void *']);
// GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile)
// file : LPCWSTR -> 'str16'
// wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> 'void *'
// metafile : GpMetafile** 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", {
  GdipCreateMetafileFromWmfFile: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile)
// file : LPCWSTR -> "buffer"
// wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> "pointer"
// metafile : GpMetafile** 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 GdipCreateMetafileFromWmfFile(
    const uint16_t* file,
    void* wmfPlaceableFileHeader,
    void* metafile);
C, "gdiplus.dll");
// $ffi->GdipCreateMetafileFromWmfFile(file, wmfPlaceableFileHeader, metafile);
// file : LPCWSTR
// wmfPlaceableFileHeader : WmfPlaceableFileHeader*
// metafile : GpMetafile** 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 GdipCreateMetafileFromWmfFile(
        WString file,   // LPCWSTR
        Pointer wmfPlaceableFileHeader,   // WmfPlaceableFileHeader*
        Pointer metafile   // GpMetafile** in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipCreateMetafileFromWmfFile = GdipCreateMetafileFromWmfFile(
    file : UInt16*,   # LPCWSTR
    wmfPlaceableFileHeader : WmfPlaceableFileHeader*,   # WmfPlaceableFileHeader*
    metafile : GpMetafile**   # GpMetafile** 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 GdipCreateMetafileFromWmfFileNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef GdipCreateMetafileFromWmfFileDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final GdipCreateMetafileFromWmfFile = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipCreateMetafileFromWmfFileNative, GdipCreateMetafileFromWmfFileDart>('GdipCreateMetafileFromWmfFile');
// file : LPCWSTR -> Pointer<Utf16>
// wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> Pointer<Void>
// metafile : GpMetafile** in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipCreateMetafileFromWmfFile(
  file: PWideChar;   // LPCWSTR
  wmfPlaceableFileHeader: Pointer;   // WmfPlaceableFileHeader*
  metafile: Pointer   // GpMetafile** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateMetafileFromWmfFile';

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

foreign import stdcall safe "GdipCreateMetafileFromWmfFile"
  c_GdipCreateMetafileFromWmfFile :: CWString -> Ptr () -> Ptr () -> IO Int32
-- file : LPCWSTR -> CWString
-- wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> Ptr ()
-- metafile : GpMetafile** 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 gdipcreatemetafilefromwmffile =
  foreign "GdipCreateMetafileFromWmfFile"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* file : LPCWSTR -> (ptr uint16_t) *)
(* wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> (ptr void) *)
(* metafile : GpMetafile** 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 ("GdipCreateMetafileFromWmfFile" gdip-create-metafile-from-wmf-file :convention :stdcall) :int32
  (file (:string :encoding :utf-16le))   ; LPCWSTR
  (wmf-placeable-file-header :pointer)   ; WmfPlaceableFileHeader*
  (metafile :pointer))   ; GpMetafile** in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipCreateMetafileFromWmfFile = Win32::API::More->new('gdiplus',
    'int GdipCreateMetafileFromWmfFile(LPCWSTR file, LPVOID wmfPlaceableFileHeader, LPVOID metafile)');
# my $ret = $GdipCreateMetafileFromWmfFile->Call($file, $wmfPlaceableFileHeader, $metafile);
# file : LPCWSTR -> LPCWSTR
# wmfPlaceableFileHeader : WmfPlaceableFileHeader* -> LPVOID
# metafile : GpMetafile** 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。