GdipGetEmHeight

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

Status GdipGetEmHeight(
    const GpFontFamily* family,
    INT style,
    WORD* EmHeight
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetEmHeight(
    family As IntPtr,   ' GpFontFamily*
    style As Integer,   ' INT
    ByRef EmHeight As UShort   ' WORD* in/out
) As Integer
End Function

' family : GpFontFamily*
' style : INT
' EmHeight : WORD* in/out
Declare PtrSafe Function GdipGetEmHeight Lib "gdiplus" ( _
    ByVal family As LongPtr, _
    ByVal style As Long, _
    ByRef EmHeight As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetEmHeight = ctypes.windll.gdiplus.GdipGetEmHeight
GdipGetEmHeight.restype = ctypes.c_int
GdipGetEmHeight.argtypes = [
    ctypes.c_void_p,  # family : GpFontFamily*
    ctypes.c_int,  # style : INT
    ctypes.POINTER(ctypes.c_ushort),  # EmHeight : WORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetEmHeight = Fiddle::Function.new(
  lib['GdipGetEmHeight'],
  [
    Fiddle::TYPE_VOIDP,  # family : GpFontFamily*
    Fiddle::TYPE_INT,  # style : INT
    Fiddle::TYPE_VOIDP,  # EmHeight : WORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetEmHeight(
        family: *const GpFontFamily,  // GpFontFamily*
        style: i32,  // INT
        EmHeight: *mut u16  // WORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetEmHeight(IntPtr family, int style, ref ushort EmHeight);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetEmHeight' -Namespace Win32 -PassThru
# $api::GdipGetEmHeight(family, style, EmHeight)

#uselib "gdiplus.dll"
#func global GdipGetEmHeight "GdipGetEmHeight" sptr, sptr, sptr
; GdipGetEmHeight varptr(family), style, varptr(EmHeight)   ; 戻り値は stat
; family : GpFontFamily* -> "sptr"
; style : INT -> "sptr"
; EmHeight : WORD* 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")
	procGdipGetEmHeight = gdiplus.NewProc("GdipGetEmHeight")
)

// family (GpFontFamily*), style (INT), EmHeight (WORD* in/out)
r1, _, err := procGdipGetEmHeight.Call(
	uintptr(family),
	uintptr(style),
	uintptr(EmHeight),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetEmHeight(
  family: Pointer;   // GpFontFamily*
  style: Integer;   // INT
  EmHeight: Pointer   // WORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetEmHeight';

result := DllCall("gdiplus\GdipGetEmHeight"
    , "Ptr", family   ; GpFontFamily*
    , "Int", style   ; INT
    , "Ptr", EmHeight   ; WORD* in/out
    , "Int")   ; return: Status

●GdipGetEmHeight(family, style, EmHeight) = DLL("gdiplus.dll", "int GdipGetEmHeight(void*, int, void*)")
# 呼び出し: GdipGetEmHeight(family, style, EmHeight)
# family : GpFontFamily* -> "void*"
# style : INT -> "int"
# EmHeight : WORD* 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 GdipGetEmHeight(
    family: [*c]GpFontFamily, // GpFontFamily*
    style: i32, // INT
    EmHeight: [*c]u16 // WORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetEmHeight(
    family: ptr GpFontFamily,  # GpFontFamily*
    style: int32,  # INT
    EmHeight: ptr uint16  # WORD* in/out
): int32 {.importc: "GdipGetEmHeight", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetEmHeight(
    GpFontFamily* family,   // GpFontFamily*
    int style,   // INT
    ushort* EmHeight   // WORD* in/out
);

ccall((:GdipGetEmHeight, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpFontFamily}, Int32, Ptr{UInt16}),
      family, style, EmHeight)
# family : GpFontFamily* -> Ptr{GpFontFamily}
# style : INT -> Int32
# EmHeight : WORD* in/out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetEmHeight(
    void* family,
    int32_t style,
    uint16_t* EmHeight);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetEmHeight(family, style, EmHeight)
-- family : GpFontFamily*
-- style : INT
-- EmHeight : WORD* 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 GdipGetEmHeight = lib.func('__stdcall', 'GdipGetEmHeight', 'int32_t', ['void *', 'int32_t', 'uint16_t *']);
// GdipGetEmHeight(family, style, EmHeight)
// family : GpFontFamily* -> 'void *'
// style : INT -> 'int32_t'
// EmHeight : WORD* in/out -> 'uint16_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", {
  GdipGetEmHeight: { parameters: ["pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetEmHeight(family, style, EmHeight)
// family : GpFontFamily* -> "pointer"
// style : INT -> "i32"
// EmHeight : WORD* 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 GdipGetEmHeight(
    void* family,
    int32_t style,
    uint16_t* EmHeight);
C, "gdiplus.dll");
// $ffi->GdipGetEmHeight(family, style, EmHeight);
// family : GpFontFamily*
// style : INT
// EmHeight : WORD* 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 GdipGetEmHeight(
        Pointer family,   // GpFontFamily*
        int style,   // INT
        ShortByReference EmHeight   // WORD* in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetEmHeight = GdipGetEmHeight(
    family : GpFontFamily*,   # GpFontFamily*
    style : Int32,   # INT
    EmHeight : UInt16*   # WORD* 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 GdipGetEmHeightNative = Int32 Function(Pointer<Void>, Int32, Pointer<Uint16>);
typedef GdipGetEmHeightDart = int Function(Pointer<Void>, int, Pointer<Uint16>);
final GdipGetEmHeight = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetEmHeightNative, GdipGetEmHeightDart>('GdipGetEmHeight');
// family : GpFontFamily* -> Pointer<Void>
// style : INT -> Int32
// EmHeight : WORD* in/out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetEmHeight(
  family: Pointer;   // GpFontFamily*
  style: Integer;   // INT
  EmHeight: Pointer   // WORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetEmHeight';

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

foreign import stdcall safe "GdipGetEmHeight"
  c_GdipGetEmHeight :: Ptr () -> Int32 -> Ptr Word16 -> IO Int32
-- family : GpFontFamily* -> Ptr ()
-- style : INT -> Int32
-- EmHeight : WORD* in/out -> Ptr Word16
-- 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 gdipgetemheight =
  foreign "GdipGetEmHeight"
    ((ptr void) @-> int32_t @-> (ptr uint16_t) @-> returning int32_t)
(* family : GpFontFamily* -> (ptr void) *)
(* style : INT -> int32_t *)
(* EmHeight : WORD* in/out -> (ptr uint16_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 ("GdipGetEmHeight" gdip-get-em-height :convention :stdcall) :int32
  (family :pointer)   ; GpFontFamily*
  (style :int32)   ; INT
  (em-height :pointer))   ; WORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetEmHeight = Win32::API::More->new('gdiplus',
    'int GdipGetEmHeight(LPVOID family, int style, LPVOID EmHeight)');
# my $ret = $GdipGetEmHeight->Call($family, $style, $EmHeight);
# family : GpFontFamily* -> LPVOID
# style : INT -> int
# EmHeight : WORD* 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。