MagGetFullscreenTransform

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

BOOL MagGetFullscreenTransform(
    FLOAT* pMagLevel,
    INT* pxOffset,
    INT* pyOffset
);

<DllImport("MAGNIFICATION.dll", ExactSpelling:=True)>
Public Shared Function MagGetFullscreenTransform(
    <Out> ByRef pMagLevel As Single,   ' FLOAT* out
    <Out> ByRef pxOffset As Integer,   ' INT* out
    <Out> ByRef pyOffset As Integer   ' INT* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pMagLevel : FLOAT* out
' pxOffset : INT* out
' pyOffset : INT* out
Declare PtrSafe Function MagGetFullscreenTransform Lib "magnification" ( _
    ByRef pMagLevel As Single, _
    ByRef pxOffset As Long, _
    ByRef pyOffset 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

MagGetFullscreenTransform = ctypes.windll.magnification.MagGetFullscreenTransform
MagGetFullscreenTransform.restype = wintypes.BOOL
MagGetFullscreenTransform.argtypes = [
    ctypes.POINTER(ctypes.c_float),  # pMagLevel : FLOAT* out
    ctypes.POINTER(ctypes.c_int),  # pxOffset : INT* out
    ctypes.POINTER(ctypes.c_int),  # pyOffset : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAGNIFICATION.dll')
MagGetFullscreenTransform = Fiddle::Function.new(
  lib['MagGetFullscreenTransform'],
  [
    Fiddle::TYPE_VOIDP,  # pMagLevel : FLOAT* out
    Fiddle::TYPE_VOIDP,  # pxOffset : INT* out
    Fiddle::TYPE_VOIDP,  # pyOffset : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "magnification")]
extern "system" {
    fn MagGetFullscreenTransform(
        pMagLevel: *mut f32,  // FLOAT* out
        pxOffset: *mut i32,  // INT* out
        pyOffset: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MAGNIFICATION.dll")]
public static extern bool MagGetFullscreenTransform(out float pMagLevel, out int pxOffset, out int pyOffset);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAGNIFICATION_MagGetFullscreenTransform' -Namespace Win32 -PassThru
# $api::MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)

#uselib "MAGNIFICATION.dll"
#func global MagGetFullscreenTransform "MagGetFullscreenTransform" sptr, sptr, sptr
; MagGetFullscreenTransform varptr(pMagLevel), varptr(pxOffset), varptr(pyOffset)   ; 戻り値は stat
; pMagLevel : FLOAT* out -> "sptr"
; pxOffset : INT* out -> "sptr"
; pyOffset : INT* 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 (
	magnification = windows.NewLazySystemDLL("MAGNIFICATION.dll")
	procMagGetFullscreenTransform = magnification.NewProc("MagGetFullscreenTransform")
)

// pMagLevel (FLOAT* out), pxOffset (INT* out), pyOffset (INT* out)
r1, _, err := procMagGetFullscreenTransform.Call(
	uintptr(pMagLevel),
	uintptr(pxOffset),
	uintptr(pyOffset),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function MagGetFullscreenTransform(
  pMagLevel: Pointer;   // FLOAT* out
  pxOffset: Pointer;   // INT* out
  pyOffset: Pointer   // INT* out
): BOOL; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetFullscreenTransform';

result := DllCall("MAGNIFICATION\MagGetFullscreenTransform"
    , "Ptr", pMagLevel   ; FLOAT* out
    , "Ptr", pxOffset   ; INT* out
    , "Ptr", pyOffset   ; INT* out
    , "Int")   ; return: BOOL

●MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset) = DLL("MAGNIFICATION.dll", "bool MagGetFullscreenTransform(void*, void*, void*)")
# 呼び出し: MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
# pMagLevel : FLOAT* out -> "void*"
# pxOffset : INT* out -> "void*"
# pyOffset : INT* 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 "magnification" fn MagGetFullscreenTransform(
    pMagLevel: [*c]f32, // FLOAT* out
    pxOffset: [*c]i32, // INT* out
    pyOffset: [*c]i32 // INT* out
) callconv(std.os.windows.WINAPI) i32;

proc MagGetFullscreenTransform(
    pMagLevel: ptr float32,  # FLOAT* out
    pxOffset: ptr int32,  # INT* out
    pyOffset: ptr int32  # INT* out
): int32 {.importc: "MagGetFullscreenTransform", stdcall, dynlib: "MAGNIFICATION.dll".}

pragma(lib, "magnification");
extern(Windows)
int MagGetFullscreenTransform(
    float* pMagLevel,   // FLOAT* out
    int* pxOffset,   // INT* out
    int* pyOffset   // INT* out
);

ccall((:MagGetFullscreenTransform, "MAGNIFICATION.dll"), stdcall, Int32,
      (Ptr{Float32}, Ptr{Int32}, Ptr{Int32}),
      pMagLevel, pxOffset, pyOffset)
# pMagLevel : FLOAT* out -> Ptr{Float32}
# pxOffset : INT* out -> Ptr{Int32}
# pyOffset : INT* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MagGetFullscreenTransform(
    float* pMagLevel,
    int32_t* pxOffset,
    int32_t* pyOffset);
]]
local magnification = ffi.load("magnification")
-- magnification.MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
-- pMagLevel : FLOAT* out
-- pxOffset : INT* out
-- pyOffset : INT* 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('MAGNIFICATION.dll');
const MagGetFullscreenTransform = lib.func('__stdcall', 'MagGetFullscreenTransform', 'int32_t', ['float *', 'int32_t *', 'int32_t *']);
// MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
// pMagLevel : FLOAT* out -> 'float *'
// pxOffset : INT* out -> 'int32_t *'
// pyOffset : INT* out -> '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("MAGNIFICATION.dll", {
  MagGetFullscreenTransform: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset)
// pMagLevel : FLOAT* out -> "pointer"
// pxOffset : INT* out -> "pointer"
// pyOffset : INT* 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 MagGetFullscreenTransform(
    float* pMagLevel,
    int32_t* pxOffset,
    int32_t* pyOffset);
C, "MAGNIFICATION.dll");
// $ffi->MagGetFullscreenTransform(pMagLevel, pxOffset, pyOffset);
// pMagLevel : FLOAT* out
// pxOffset : INT* out
// pyOffset : INT* 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 Magnification extends StdCallLibrary {
    Magnification INSTANCE = Native.load("magnification", Magnification.class);
    boolean MagGetFullscreenTransform(
        FloatByReference pMagLevel,   // FLOAT* out
        IntByReference pxOffset,   // INT* out
        IntByReference pyOffset   // INT* out
    );
}

@[Link("magnification")]
lib LibMAGNIFICATION
  fun MagGetFullscreenTransform = MagGetFullscreenTransform(
    pMagLevel : Float32*,   # FLOAT* out
    pxOffset : Int32*,   # INT* out
    pyOffset : Int32*   # INT* 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 MagGetFullscreenTransformNative = Int32 Function(Pointer<Float>, Pointer<Int32>, Pointer<Int32>);
typedef MagGetFullscreenTransformDart = int Function(Pointer<Float>, Pointer<Int32>, Pointer<Int32>);
final MagGetFullscreenTransform = DynamicLibrary.open('MAGNIFICATION.dll')
    .lookupFunction<MagGetFullscreenTransformNative, MagGetFullscreenTransformDart>('MagGetFullscreenTransform');
// pMagLevel : FLOAT* out -> Pointer<Float>
// pxOffset : INT* out -> Pointer<Int32>
// pyOffset : INT* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MagGetFullscreenTransform(
  pMagLevel: Pointer;   // FLOAT* out
  pxOffset: Pointer;   // INT* out
  pyOffset: Pointer   // INT* out
): BOOL; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetFullscreenTransform';

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

foreign import stdcall safe "MagGetFullscreenTransform"
  c_MagGetFullscreenTransform :: Ptr CFloat -> Ptr Int32 -> Ptr Int32 -> IO CInt
-- pMagLevel : FLOAT* out -> Ptr CFloat
-- pxOffset : INT* out -> Ptr Int32
-- pyOffset : INT* out -> Ptr 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 maggetfullscreentransform =
  foreign "MagGetFullscreenTransform"
    ((ptr float) @-> (ptr int32_t) @-> (ptr int32_t) @-> returning int32_t)
(* pMagLevel : FLOAT* out -> (ptr float) *)
(* pxOffset : INT* out -> (ptr int32_t) *)
(* pyOffset : INT* out -> (ptr 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 magnification (t "MAGNIFICATION.dll"))
(cffi:use-foreign-library magnification)

(cffi:defcfun ("MagGetFullscreenTransform" mag-get-fullscreen-transform :convention :stdcall) :int32
  (p-mag-level :pointer)   ; FLOAT* out
  (px-offset :pointer)   ; INT* out
  (py-offset :pointer))   ; INT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MagGetFullscreenTransform = Win32::API::More->new('MAGNIFICATION',
    'BOOL MagGetFullscreenTransform(LPVOID pMagLevel, LPVOID pxOffset, LPVOID pyOffset)');
# my $ret = $MagGetFullscreenTransform->Call($pMagLevel, $pxOffset, $pyOffset);
# pMagLevel : FLOAT* out -> LPVOID
# pxOffset : INT* out -> LPVOID
# pyOffset : INT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。