GdipGetImagePalette

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

Status GdipGetImagePalette(
    GpImage* image,
    ColorPalette* palette,
    INT size
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetImagePalette(
    image As IntPtr,   ' GpImage* in/out
    palette As IntPtr,   ' ColorPalette* in/out
    size As Integer   ' INT
) As Integer
End Function

' image : GpImage* in/out
' palette : ColorPalette* in/out
' size : INT
Declare PtrSafe Function GdipGetImagePalette Lib "gdiplus" ( _
    ByVal image As LongPtr, _
    ByVal palette As LongPtr, _
    ByVal 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

GdipGetImagePalette = ctypes.windll.gdiplus.GdipGetImagePalette
GdipGetImagePalette.restype = ctypes.c_int
GdipGetImagePalette.argtypes = [
    ctypes.c_void_p,  # image : GpImage* in/out
    ctypes.c_void_p,  # palette : ColorPalette* in/out
    ctypes.c_int,  # size : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetImagePalette = Fiddle::Function.new(
  lib['GdipGetImagePalette'],
  [
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    Fiddle::TYPE_VOIDP,  # palette : ColorPalette* in/out
    Fiddle::TYPE_INT,  # size : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetImagePalette(
        image: *mut GpImage,  // GpImage* in/out
        palette: *mut ColorPalette,  // ColorPalette* in/out
        size: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetImagePalette(IntPtr image, IntPtr palette, int size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetImagePalette' -Namespace Win32 -PassThru
# $api::GdipGetImagePalette(image, palette, size)

#uselib "gdiplus.dll"
#func global GdipGetImagePalette "GdipGetImagePalette" sptr, sptr, sptr
; GdipGetImagePalette varptr(image), varptr(palette), size   ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; palette : ColorPalette* in/out -> "sptr"
; size : INT -> "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")
	procGdipGetImagePalette = gdiplus.NewProc("GdipGetImagePalette")
)

// image (GpImage* in/out), palette (ColorPalette* in/out), size (INT)
r1, _, err := procGdipGetImagePalette.Call(
	uintptr(image),
	uintptr(palette),
	uintptr(size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetImagePalette(
  image: Pointer;   // GpImage* in/out
  palette: Pointer;   // ColorPalette* in/out
  size: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImagePalette';

result := DllCall("gdiplus\GdipGetImagePalette"
    , "Ptr", image   ; GpImage* in/out
    , "Ptr", palette   ; ColorPalette* in/out
    , "Int", size   ; INT
    , "Int")   ; return: Status

●GdipGetImagePalette(image, palette, size) = DLL("gdiplus.dll", "int GdipGetImagePalette(void*, void*, int)")
# 呼び出し: GdipGetImagePalette(image, palette, size)
# image : GpImage* in/out -> "void*"
# palette : ColorPalette* in/out -> "void*"
# size : INT -> "int"
# 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 GdipGetImagePalette(
    image: [*c]GpImage, // GpImage* in/out
    palette: [*c]ColorPalette, // ColorPalette* in/out
    size: i32 // INT
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetImagePalette(
    image: ptr GpImage,  # GpImage* in/out
    palette: ptr ColorPalette,  # ColorPalette* in/out
    size: int32  # INT
): int32 {.importc: "GdipGetImagePalette", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetImagePalette(
    GpImage* image,   // GpImage* in/out
    ColorPalette* palette,   // ColorPalette* in/out
    int size   // INT
);

ccall((:GdipGetImagePalette, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpImage}, Ptr{ColorPalette}, Int32),
      image, palette, size)
# image : GpImage* in/out -> Ptr{GpImage}
# palette : ColorPalette* in/out -> Ptr{ColorPalette}
# size : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetImagePalette(
    void* image,
    void* palette,
    int32_t size);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetImagePalette(image, palette, size)
-- image : GpImage* in/out
-- palette : ColorPalette* in/out
-- size : INT
-- 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 GdipGetImagePalette = lib.func('__stdcall', 'GdipGetImagePalette', 'int32_t', ['void *', 'void *', 'int32_t']);
// GdipGetImagePalette(image, palette, size)
// image : GpImage* in/out -> 'void *'
// palette : ColorPalette* in/out -> 'void *'
// size : INT -> 'int32_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", {
  GdipGetImagePalette: { parameters: ["pointer", "pointer", "i32"], result: "i32" },
});
// lib.symbols.GdipGetImagePalette(image, palette, size)
// image : GpImage* in/out -> "pointer"
// palette : ColorPalette* in/out -> "pointer"
// size : INT -> "i32"
// 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 GdipGetImagePalette(
    void* image,
    void* palette,
    int32_t size);
C, "gdiplus.dll");
// $ffi->GdipGetImagePalette(image, palette, size);
// image : GpImage* in/out
// palette : ColorPalette* in/out
// size : INT
// 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 GdipGetImagePalette(
        Pointer image,   // GpImage* in/out
        Pointer palette,   // ColorPalette* in/out
        int size   // INT
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetImagePalette = GdipGetImagePalette(
    image : GpImage*,   # GpImage* in/out
    palette : ColorPalette*,   # ColorPalette* in/out
    size : Int32   # INT
  ) : 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 GdipGetImagePaletteNative = Int32 Function(Pointer<Void>, Pointer<Void>, Int32);
typedef GdipGetImagePaletteDart = int Function(Pointer<Void>, Pointer<Void>, int);
final GdipGetImagePalette = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetImagePaletteNative, GdipGetImagePaletteDart>('GdipGetImagePalette');
// image : GpImage* in/out -> Pointer<Void>
// palette : ColorPalette* in/out -> Pointer<Void>
// size : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetImagePalette(
  image: Pointer;   // GpImage* in/out
  palette: Pointer;   // ColorPalette* in/out
  size: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImagePalette';

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

foreign import stdcall safe "GdipGetImagePalette"
  c_GdipGetImagePalette :: Ptr () -> Ptr () -> Int32 -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- palette : ColorPalette* in/out -> Ptr ()
-- size : INT -> Int32
-- 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 gdipgetimagepalette =
  foreign "GdipGetImagePalette"
    ((ptr void) @-> (ptr void) @-> int32_t @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* palette : ColorPalette* in/out -> (ptr void) *)
(* size : INT -> int32_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 ("GdipGetImagePalette" gdip-get-image-palette :convention :stdcall) :int32
  (image :pointer)   ; GpImage* in/out
  (palette :pointer)   ; ColorPalette* in/out
  (size :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetImagePalette = Win32::API::More->new('gdiplus',
    'int GdipGetImagePalette(LPVOID image, LPVOID palette, int size)');
# my $ret = $GdipGetImagePalette->Call($image, $palette, $size);
# image : GpImage* in/out -> LPVOID
# palette : ColorPalette* in/out -> LPVOID
# size : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。