GdipGetImageWidth

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

Status GdipGetImageWidth(
    GpImage* image,
    DWORD* width
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetImageWidth(
    image As IntPtr,   ' GpImage* in/out
    ByRef width As UInteger   ' DWORD* in/out
) As Integer
End Function

' image : GpImage* in/out
' width : DWORD* in/out
Declare PtrSafe Function GdipGetImageWidth Lib "gdiplus" ( _
    ByVal image As LongPtr, _
    ByRef width 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

GdipGetImageWidth = ctypes.windll.gdiplus.GdipGetImageWidth
GdipGetImageWidth.restype = ctypes.c_int
GdipGetImageWidth.argtypes = [
    ctypes.c_void_p,  # image : GpImage* in/out
    ctypes.POINTER(wintypes.DWORD),  # width : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetImageWidth = Fiddle::Function.new(
  lib['GdipGetImageWidth'],
  [
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    Fiddle::TYPE_VOIDP,  # width : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetImageWidth(IntPtr image, ref uint width);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetImageWidth' -Namespace Win32 -PassThru
# $api::GdipGetImageWidth(image, width)

#uselib "gdiplus.dll"
#func global GdipGetImageWidth "GdipGetImageWidth" sptr, sptr
; GdipGetImageWidth varptr(image), varptr(width)   ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; width : DWORD* 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")
	procGdipGetImageWidth = gdiplus.NewProc("GdipGetImageWidth")
)

// image (GpImage* in/out), width (DWORD* in/out)
r1, _, err := procGdipGetImageWidth.Call(
	uintptr(image),
	uintptr(width),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetImageWidth(
  image: Pointer;   // GpImage* in/out
  width: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageWidth';

result := DllCall("gdiplus\GdipGetImageWidth"
    , "Ptr", image   ; GpImage* in/out
    , "Ptr", width   ; DWORD* in/out
    , "Int")   ; return: Status

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

proc GdipGetImageWidth(
    image: ptr GpImage,  # GpImage* in/out
    width: ptr uint32  # DWORD* in/out
): int32 {.importc: "GdipGetImageWidth", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetImageWidth(
    GpImage* image,   // GpImage* in/out
    uint* width   // DWORD* in/out
);

ccall((:GdipGetImageWidth, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpImage}, Ptr{UInt32}),
      image, width)
# image : GpImage* in/out -> Ptr{GpImage}
# width : DWORD* in/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 GdipGetImageWidth(
    void* image,
    uint32_t* width);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetImageWidth(image, width)
-- image : GpImage* in/out
-- width : DWORD* 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 GdipGetImageWidth = lib.func('__stdcall', 'GdipGetImageWidth', 'int32_t', ['void *', 'uint32_t *']);
// GdipGetImageWidth(image, width)
// image : GpImage* in/out -> 'void *'
// width : DWORD* in/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", {
  GdipGetImageWidth: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetImageWidth(image, width)
// image : GpImage* in/out -> "pointer"
// width : DWORD* 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 GdipGetImageWidth(
    void* image,
    uint32_t* width);
C, "gdiplus.dll");
// $ffi->GdipGetImageWidth(image, width);
// image : GpImage* in/out
// width : DWORD* 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 GdipGetImageWidth(
        Pointer image,   // GpImage* in/out
        IntByReference width   // DWORD* in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetImageWidth = GdipGetImageWidth(
    image : GpImage*,   # GpImage* in/out
    width : UInt32*   # DWORD* 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 GdipGetImageWidthNative = Int32 Function(Pointer<Void>, Pointer<Uint32>);
typedef GdipGetImageWidthDart = int Function(Pointer<Void>, Pointer<Uint32>);
final GdipGetImageWidth = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetImageWidthNative, GdipGetImageWidthDart>('GdipGetImageWidth');
// image : GpImage* in/out -> Pointer<Void>
// width : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetImageWidth(
  image: Pointer;   // GpImage* in/out
  width: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetImageWidth';

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

foreign import stdcall safe "GdipGetImageWidth"
  c_GdipGetImageWidth :: Ptr () -> Ptr Word32 -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- width : DWORD* in/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 gdipgetimagewidth =
  foreign "GdipGetImageWidth"
    ((ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* width : DWORD* in/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 ("GdipGetImageWidth" gdip-get-image-width :convention :stdcall) :int32
  (image :pointer)   ; GpImage* in/out
  (width :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetImageWidth = Win32::API::More->new('gdiplus',
    'int GdipGetImageWidth(LPVOID image, LPVOID width)');
# my $ret = $GdipGetImageWidth->Call($image, $width);
# image : GpImage* in/out -> LPVOID
# width : DWORD* 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。