WICMapSchemaToName

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

HRESULT WICMapSchemaToName(
    const GUID* guidMetadataFormat,
    LPWSTR pwzSchema,
    DWORD cchName,
    LPWSTR wzName,   // optional
    DWORD* pcchActual
);

<DllImport("WindowsCodecs.dll", ExactSpelling:=True)>
Public Shared Function WICMapSchemaToName(
    ByRef guidMetadataFormat As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> pwzSchema As String,   ' LPWSTR
    cchName As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> wzName As System.Text.StringBuilder,   ' LPWSTR optional, in/out
    <Out> ByRef pcchActual As UInteger   ' DWORD* out
) As Integer
End Function

' guidMetadataFormat : GUID*
' pwzSchema : LPWSTR
' cchName : DWORD
' wzName : LPWSTR optional, in/out
' pcchActual : DWORD* out
Declare PtrSafe Function WICMapSchemaToName Lib "windowscodecs" ( _
    ByVal guidMetadataFormat As LongPtr, _
    ByVal pwzSchema As LongPtr, _
    ByVal cchName As Long, _
    ByVal wzName As LongPtr, _
    ByRef pcchActual 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

WICMapSchemaToName = ctypes.windll.windowscodecs.WICMapSchemaToName
WICMapSchemaToName.restype = ctypes.c_int
WICMapSchemaToName.argtypes = [
    ctypes.c_void_p,  # guidMetadataFormat : GUID*
    wintypes.LPCWSTR,  # pwzSchema : LPWSTR
    wintypes.DWORD,  # cchName : DWORD
    wintypes.LPWSTR,  # wzName : LPWSTR optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pcchActual : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WindowsCodecs.dll')
WICMapSchemaToName = Fiddle::Function.new(
  lib['WICMapSchemaToName'],
  [
    Fiddle::TYPE_VOIDP,  # guidMetadataFormat : GUID*
    Fiddle::TYPE_VOIDP,  # pwzSchema : LPWSTR
    -Fiddle::TYPE_INT,  # cchName : DWORD
    Fiddle::TYPE_VOIDP,  # wzName : LPWSTR optional, in/out
    Fiddle::TYPE_VOIDP,  # pcchActual : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "windowscodecs")]
extern "system" {
    fn WICMapSchemaToName(
        guidMetadataFormat: *const GUID,  // GUID*
        pwzSchema: *mut u16,  // LPWSTR
        cchName: u32,  // DWORD
        wzName: *mut u16,  // LPWSTR optional, in/out
        pcchActual: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WindowsCodecs.dll")]
public static extern int WICMapSchemaToName(ref Guid guidMetadataFormat, [MarshalAs(UnmanagedType.LPWStr)] string pwzSchema, uint cchName, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder wzName, out uint pcchActual);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WindowsCodecs_WICMapSchemaToName' -Namespace Win32 -PassThru
# $api::WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)

#uselib "WindowsCodecs.dll"
#func global WICMapSchemaToName "WICMapSchemaToName" sptr, sptr, sptr, sptr, sptr
; WICMapSchemaToName varptr(guidMetadataFormat), pwzSchema, cchName, varptr(wzName), varptr(pcchActual)   ; 戻り値は stat
; guidMetadataFormat : GUID* -> "sptr"
; pwzSchema : LPWSTR -> "sptr"
; cchName : DWORD -> "sptr"
; wzName : LPWSTR optional, in/out -> "sptr"
; pcchActual : 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 (
	windowscodecs = windows.NewLazySystemDLL("WindowsCodecs.dll")
	procWICMapSchemaToName = windowscodecs.NewProc("WICMapSchemaToName")
)

// guidMetadataFormat (GUID*), pwzSchema (LPWSTR), cchName (DWORD), wzName (LPWSTR optional, in/out), pcchActual (DWORD* out)
r1, _, err := procWICMapSchemaToName.Call(
	uintptr(guidMetadataFormat),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzSchema))),
	uintptr(cchName),
	uintptr(wzName),
	uintptr(pcchActual),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WICMapSchemaToName(
  guidMetadataFormat: PGUID;   // GUID*
  pwzSchema: PWideChar;   // LPWSTR
  cchName: DWORD;   // DWORD
  wzName: PWideChar;   // LPWSTR optional, in/out
  pcchActual: Pointer   // DWORD* out
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICMapSchemaToName';

result := DllCall("WindowsCodecs\WICMapSchemaToName"
    , "Ptr", guidMetadataFormat   ; GUID*
    , "WStr", pwzSchema   ; LPWSTR
    , "UInt", cchName   ; DWORD
    , "Ptr", wzName   ; LPWSTR optional, in/out
    , "Ptr", pcchActual   ; DWORD* out
    , "Int")   ; return: HRESULT

●WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual) = DLL("WindowsCodecs.dll", "int WICMapSchemaToName(void*, char*, dword, char*, void*)")
# 呼び出し: WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)
# guidMetadataFormat : GUID* -> "void*"
# pwzSchema : LPWSTR -> "char*"
# cchName : DWORD -> "dword"
# wzName : LPWSTR optional, in/out -> "char*"
# pcchActual : 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 "windowscodecs" fn WICMapSchemaToName(
    guidMetadataFormat: [*c]GUID, // GUID*
    pwzSchema: [*c]const u16, // LPWSTR
    cchName: u32, // DWORD
    wzName: [*c]u16, // LPWSTR optional, in/out
    pcchActual: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc WICMapSchemaToName(
    guidMetadataFormat: ptr GUID,  # GUID*
    pwzSchema: WideCString,  # LPWSTR
    cchName: uint32,  # DWORD
    wzName: ptr uint16,  # LPWSTR optional, in/out
    pcchActual: ptr uint32  # DWORD* out
): int32 {.importc: "WICMapSchemaToName", stdcall, dynlib: "WindowsCodecs.dll".}

pragma(lib, "windowscodecs");
extern(Windows)
int WICMapSchemaToName(
    GUID* guidMetadataFormat,   // GUID*
    const(wchar)* pwzSchema,   // LPWSTR
    uint cchName,   // DWORD
    wchar* wzName,   // LPWSTR optional, in/out
    uint* pcchActual   // DWORD* out
);

ccall((:WICMapSchemaToName, "WindowsCodecs.dll"), stdcall, Int32,
      (Ptr{GUID}, Cwstring, UInt32, Ptr{UInt16}, Ptr{UInt32}),
      guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)
# guidMetadataFormat : GUID* -> Ptr{GUID}
# pwzSchema : LPWSTR -> Cwstring
# cchName : DWORD -> UInt32
# wzName : LPWSTR optional, in/out -> Ptr{UInt16}
# pcchActual : 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 WICMapSchemaToName(
    void* guidMetadataFormat,
    const uint16_t* pwzSchema,
    uint32_t cchName,
    uint16_t* wzName,
    uint32_t* pcchActual);
]]
local windowscodecs = ffi.load("windowscodecs")
-- windowscodecs.WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)
-- guidMetadataFormat : GUID*
-- pwzSchema : LPWSTR
-- cchName : DWORD
-- wzName : LPWSTR optional, in/out
-- pcchActual : 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('WindowsCodecs.dll');
const WICMapSchemaToName = lib.func('__stdcall', 'WICMapSchemaToName', 'int32_t', ['void *', 'str16', 'uint32_t', 'uint16_t *', 'uint32_t *']);
// WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)
// guidMetadataFormat : GUID* -> 'void *'
// pwzSchema : LPWSTR -> 'str16'
// cchName : DWORD -> 'uint32_t'
// wzName : LPWSTR optional, in/out -> 'uint16_t *'
// pcchActual : 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("WindowsCodecs.dll", {
  WICMapSchemaToName: { parameters: ["pointer", "buffer", "u32", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual)
// guidMetadataFormat : GUID* -> "pointer"
// pwzSchema : LPWSTR -> "buffer"
// cchName : DWORD -> "u32"
// wzName : LPWSTR optional, in/out -> "buffer"
// pcchActual : 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 WICMapSchemaToName(
    void* guidMetadataFormat,
    const uint16_t* pwzSchema,
    uint32_t cchName,
    uint16_t* wzName,
    uint32_t* pcchActual);
C, "WindowsCodecs.dll");
// $ffi->WICMapSchemaToName(guidMetadataFormat, pwzSchema, cchName, wzName, pcchActual);
// guidMetadataFormat : GUID*
// pwzSchema : LPWSTR
// cchName : DWORD
// wzName : LPWSTR optional, in/out
// pcchActual : 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 Windowscodecs extends StdCallLibrary {
    Windowscodecs INSTANCE = Native.load("windowscodecs", Windowscodecs.class);
    int WICMapSchemaToName(
        Pointer guidMetadataFormat,   // GUID*
        WString pwzSchema,   // LPWSTR
        int cchName,   // DWORD
        char[] wzName,   // LPWSTR optional, in/out
        IntByReference pcchActual   // DWORD* out
    );
}

@[Link("windowscodecs")]
lib LibWindowsCodecs
  fun WICMapSchemaToName = WICMapSchemaToName(
    guidMetadataFormat : GUID*,   # GUID*
    pwzSchema : UInt16*,   # LPWSTR
    cchName : UInt32,   # DWORD
    wzName : UInt16*,   # LPWSTR optional, in/out
    pcchActual : 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 WICMapSchemaToNameNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Uint32, Pointer<Utf16>, Pointer<Uint32>);
typedef WICMapSchemaToNameDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Utf16>, Pointer<Uint32>);
final WICMapSchemaToName = DynamicLibrary.open('WindowsCodecs.dll')
    .lookupFunction<WICMapSchemaToNameNative, WICMapSchemaToNameDart>('WICMapSchemaToName');
// guidMetadataFormat : GUID* -> Pointer<Void>
// pwzSchema : LPWSTR -> Pointer<Utf16>
// cchName : DWORD -> Uint32
// wzName : LPWSTR optional, in/out -> Pointer<Utf16>
// pcchActual : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WICMapSchemaToName(
  guidMetadataFormat: PGUID;   // GUID*
  pwzSchema: PWideChar;   // LPWSTR
  cchName: DWORD;   // DWORD
  wzName: PWideChar;   // LPWSTR optional, in/out
  pcchActual: Pointer   // DWORD* out
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICMapSchemaToName';

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

foreign import stdcall safe "WICMapSchemaToName"
  c_WICMapSchemaToName :: Ptr () -> CWString -> Word32 -> CWString -> Ptr Word32 -> IO Int32
-- guidMetadataFormat : GUID* -> Ptr ()
-- pwzSchema : LPWSTR -> CWString
-- cchName : DWORD -> Word32
-- wzName : LPWSTR optional, in/out -> CWString
-- pcchActual : 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 wicmapschematoname =
  foreign "WICMapSchemaToName"
    ((ptr void) @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> returning int32_t)
(* guidMetadataFormat : GUID* -> (ptr void) *)
(* pwzSchema : LPWSTR -> (ptr uint16_t) *)
(* cchName : DWORD -> uint32_t *)
(* wzName : LPWSTR optional, in/out -> (ptr uint16_t) *)
(* pcchActual : 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 windowscodecs (t "WindowsCodecs.dll"))
(cffi:use-foreign-library windowscodecs)

(cffi:defcfun ("WICMapSchemaToName" wicmap-schema-to-name :convention :stdcall) :int32
  (guid-metadata-format :pointer)   ; GUID*
  (pwz-schema (:string :encoding :utf-16le))   ; LPWSTR
  (cch-name :uint32)   ; DWORD
  (wz-name :pointer)   ; LPWSTR optional, in/out
  (pcch-actual :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 $WICMapSchemaToName = Win32::API::More->new('WindowsCodecs',
    'int WICMapSchemaToName(LPVOID guidMetadataFormat, LPCWSTR pwzSchema, DWORD cchName, LPWSTR wzName, LPVOID pcchActual)');
# my $ret = $WICMapSchemaToName->Call($guidMetadataFormat, $pwzSchema, $cchName, $wzName, $pcchActual);
# guidMetadataFormat : GUID* -> LPVOID
# pwzSchema : LPWSTR -> LPCWSTR
# cchName : DWORD -> DWORD
# wzName : LPWSTR optional, in/out -> LPWSTR
# pcchActual : 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。