GdipGetImageThumbnail

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

Status GdipGetImageThumbnail(
    GpImage* image,
    DWORD thumbWidth,
    DWORD thumbHeight,
    GpImage** thumbImage,
    INT_PTR callback,
    void* callbackData
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetImageThumbnail(
    image As IntPtr,   ' GpImage* in/out
    thumbWidth As UInteger,   ' DWORD
    thumbHeight As UInteger,   ' DWORD
    thumbImage As IntPtr,   ' GpImage** in/out
    callback As IntPtr,   ' INT_PTR
    callbackData As IntPtr   ' void* in/out
) As Integer
End Function

' image : GpImage* in/out
' thumbWidth : DWORD
' thumbHeight : DWORD
' thumbImage : GpImage** in/out
' callback : INT_PTR
' callbackData : void* in/out
Declare PtrSafe Function GdipGetImageThumbnail Lib "gdiplus" ( _
    ByVal image As LongPtr, _
    ByVal thumbWidth As Long, _
    ByVal thumbHeight As Long, _
    ByVal thumbImage As LongPtr, _
    ByVal callback As LongPtr, _
    ByVal callbackData 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

GdipGetImageThumbnail = ctypes.windll.gdiplus.GdipGetImageThumbnail
GdipGetImageThumbnail.restype = ctypes.c_int
GdipGetImageThumbnail.argtypes = [
    ctypes.c_void_p,  # image : GpImage* in/out
    wintypes.DWORD,  # thumbWidth : DWORD
    wintypes.DWORD,  # thumbHeight : DWORD
    ctypes.c_void_p,  # thumbImage : GpImage** in/out
    ctypes.c_ssize_t,  # callback : INT_PTR
    ctypes.POINTER(None),  # callbackData : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetImageThumbnail = Fiddle::Function.new(
  lib['GdipGetImageThumbnail'],
  [
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    -Fiddle::TYPE_INT,  # thumbWidth : DWORD
    -Fiddle::TYPE_INT,  # thumbHeight : DWORD
    Fiddle::TYPE_VOIDP,  # thumbImage : GpImage** in/out
    Fiddle::TYPE_INTPTR_T,  # callback : INT_PTR
    Fiddle::TYPE_VOIDP,  # callbackData : void* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetImageThumbnail(
        image: *mut GpImage,  // GpImage* in/out
        thumbWidth: u32,  // DWORD
        thumbHeight: u32,  // DWORD
        thumbImage: *mut *mut GpImage,  // GpImage** in/out
        callback: isize,  // INT_PTR
        callbackData: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetImageThumbnail(IntPtr image, uint thumbWidth, uint thumbHeight, IntPtr thumbImage, IntPtr callback, IntPtr callbackData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetImageThumbnail' -Namespace Win32 -PassThru
# $api::GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)

#uselib "gdiplus.dll"
#func global GdipGetImageThumbnail "GdipGetImageThumbnail" sptr, sptr, sptr, sptr, sptr, sptr
; GdipGetImageThumbnail varptr(image), thumbWidth, thumbHeight, varptr(thumbImage), callback, callbackData   ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; thumbWidth : DWORD -> "sptr"
; thumbHeight : DWORD -> "sptr"
; thumbImage : GpImage** in/out -> "sptr"
; callback : INT_PTR -> "sptr"
; callbackData : void* 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")
	procGdipGetImageThumbnail = gdiplus.NewProc("GdipGetImageThumbnail")
)

// image (GpImage* in/out), thumbWidth (DWORD), thumbHeight (DWORD), thumbImage (GpImage** in/out), callback (INT_PTR), callbackData (void* in/out)
r1, _, err := procGdipGetImageThumbnail.Call(
	uintptr(image),
	uintptr(thumbWidth),
	uintptr(thumbHeight),
	uintptr(thumbImage),
	uintptr(callback),
	uintptr(callbackData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetImageThumbnail(
  image: Pointer;   // GpImage* in/out
  thumbWidth: DWORD;   // DWORD
  thumbHeight: DWORD;   // DWORD
  thumbImage: Pointer;   // GpImage** in/out
  callback: NativeInt;   // INT_PTR
  callbackData: Pointer   // void* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageThumbnail';

result := DllCall("gdiplus\GdipGetImageThumbnail"
    , "Ptr", image   ; GpImage* in/out
    , "UInt", thumbWidth   ; DWORD
    , "UInt", thumbHeight   ; DWORD
    , "Ptr", thumbImage   ; GpImage** in/out
    , "Ptr", callback   ; INT_PTR
    , "Ptr", callbackData   ; void* in/out
    , "Int")   ; return: Status

●GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData) = DLL("gdiplus.dll", "int GdipGetImageThumbnail(void*, dword, dword, void*, int, void*)")
# 呼び出し: GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)
# image : GpImage* in/out -> "void*"
# thumbWidth : DWORD -> "dword"
# thumbHeight : DWORD -> "dword"
# thumbImage : GpImage** in/out -> "void*"
# callback : INT_PTR -> "int"
# callbackData : void* 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 GdipGetImageThumbnail(
    image: [*c]GpImage, // GpImage* in/out
    thumbWidth: u32, // DWORD
    thumbHeight: u32, // DWORD
    thumbImage: [*c][*c]GpImage, // GpImage** in/out
    callback: isize, // INT_PTR
    callbackData: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetImageThumbnail(
    image: ptr GpImage,  # GpImage* in/out
    thumbWidth: uint32,  # DWORD
    thumbHeight: uint32,  # DWORD
    thumbImage: ptr GpImage,  # GpImage** in/out
    callback: int,  # INT_PTR
    callbackData: pointer  # void* in/out
): int32 {.importc: "GdipGetImageThumbnail", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetImageThumbnail(
    GpImage* image,   // GpImage* in/out
    uint thumbWidth,   // DWORD
    uint thumbHeight,   // DWORD
    GpImage** thumbImage,   // GpImage** in/out
    ptrdiff_t callback,   // INT_PTR
    void* callbackData   // void* in/out
);

ccall((:GdipGetImageThumbnail, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpImage}, UInt32, UInt32, Ptr{GpImage}, Int, Ptr{Cvoid}),
      image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)
# image : GpImage* in/out -> Ptr{GpImage}
# thumbWidth : DWORD -> UInt32
# thumbHeight : DWORD -> UInt32
# thumbImage : GpImage** in/out -> Ptr{GpImage}
# callback : INT_PTR -> Int
# callbackData : void* in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetImageThumbnail(
    void* image,
    uint32_t thumbWidth,
    uint32_t thumbHeight,
    void* thumbImage,
    intptr_t callback,
    void* callbackData);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)
-- image : GpImage* in/out
-- thumbWidth : DWORD
-- thumbHeight : DWORD
-- thumbImage : GpImage** in/out
-- callback : INT_PTR
-- callbackData : void* 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 GdipGetImageThumbnail = lib.func('__stdcall', 'GdipGetImageThumbnail', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *', 'intptr_t', 'void *']);
// GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)
// image : GpImage* in/out -> 'void *'
// thumbWidth : DWORD -> 'uint32_t'
// thumbHeight : DWORD -> 'uint32_t'
// thumbImage : GpImage** in/out -> 'void *'
// callback : INT_PTR -> 'intptr_t'
// callbackData : void* 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", {
  GdipGetImageThumbnail: { parameters: ["pointer", "u32", "u32", "pointer", "isize", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData)
// image : GpImage* in/out -> "pointer"
// thumbWidth : DWORD -> "u32"
// thumbHeight : DWORD -> "u32"
// thumbImage : GpImage** in/out -> "pointer"
// callback : INT_PTR -> "isize"
// callbackData : void* 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 GdipGetImageThumbnail(
    void* image,
    uint32_t thumbWidth,
    uint32_t thumbHeight,
    void* thumbImage,
    intptr_t callback,
    void* callbackData);
C, "gdiplus.dll");
// $ffi->GdipGetImageThumbnail(image, thumbWidth, thumbHeight, thumbImage, callback, callbackData);
// image : GpImage* in/out
// thumbWidth : DWORD
// thumbHeight : DWORD
// thumbImage : GpImage** in/out
// callback : INT_PTR
// callbackData : void* 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 GdipGetImageThumbnail(
        Pointer image,   // GpImage* in/out
        int thumbWidth,   // DWORD
        int thumbHeight,   // DWORD
        Pointer thumbImage,   // GpImage** in/out
        long callback,   // INT_PTR
        Pointer callbackData   // void* in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetImageThumbnail = GdipGetImageThumbnail(
    image : GpImage*,   # GpImage* in/out
    thumbWidth : UInt32,   # DWORD
    thumbHeight : UInt32,   # DWORD
    thumbImage : GpImage**,   # GpImage** in/out
    callback : LibC::SSizeT,   # INT_PTR
    callbackData : Void*   # void* 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 GdipGetImageThumbnailNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>, IntPtr, Pointer<Void>);
typedef GdipGetImageThumbnailDart = int Function(Pointer<Void>, int, int, Pointer<Void>, int, Pointer<Void>);
final GdipGetImageThumbnail = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetImageThumbnailNative, GdipGetImageThumbnailDart>('GdipGetImageThumbnail');
// image : GpImage* in/out -> Pointer<Void>
// thumbWidth : DWORD -> Uint32
// thumbHeight : DWORD -> Uint32
// thumbImage : GpImage** in/out -> Pointer<Void>
// callback : INT_PTR -> IntPtr
// callbackData : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetImageThumbnail(
  image: Pointer;   // GpImage* in/out
  thumbWidth: DWORD;   // DWORD
  thumbHeight: DWORD;   // DWORD
  thumbImage: Pointer;   // GpImage** in/out
  callback: NativeInt;   // INT_PTR
  callbackData: Pointer   // void* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageThumbnail';

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

foreign import stdcall safe "GdipGetImageThumbnail"
  c_GdipGetImageThumbnail :: Ptr () -> Word32 -> Word32 -> Ptr () -> CIntPtr -> Ptr () -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- thumbWidth : DWORD -> Word32
-- thumbHeight : DWORD -> Word32
-- thumbImage : GpImage** in/out -> Ptr ()
-- callback : INT_PTR -> CIntPtr
-- callbackData : void* 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 gdipgetimagethumbnail =
  foreign "GdipGetImageThumbnail"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> intptr_t @-> (ptr void) @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* thumbWidth : DWORD -> uint32_t *)
(* thumbHeight : DWORD -> uint32_t *)
(* thumbImage : GpImage** in/out -> (ptr void) *)
(* callback : INT_PTR -> intptr_t *)
(* callbackData : void* 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 ("GdipGetImageThumbnail" gdip-get-image-thumbnail :convention :stdcall) :int32
  (image :pointer)   ; GpImage* in/out
  (thumb-width :uint32)   ; DWORD
  (thumb-height :uint32)   ; DWORD
  (thumb-image :pointer)   ; GpImage** in/out
  (callback :int64)   ; INT_PTR
  (callback-data :pointer))   ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetImageThumbnail = Win32::API::More->new('gdiplus',
    'int GdipGetImageThumbnail(LPVOID image, DWORD thumbWidth, DWORD thumbHeight, LPVOID thumbImage, LPARAM callback, LPVOID callbackData)');
# my $ret = $GdipGetImageThumbnail->Call($image, $thumbWidth, $thumbHeight, $thumbImage, $callback, $callbackData);
# image : GpImage* in/out -> LPVOID
# thumbWidth : DWORD -> DWORD
# thumbHeight : DWORD -> DWORD
# thumbImage : GpImage** in/out -> LPVOID
# callback : INT_PTR -> LPARAM
# callbackData : void* 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。