GdipGetFontHeight

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

Status GdipGetFontHeight(
    const GpFont* font,
    const GpGraphics* graphics,
    FLOAT* height
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetFontHeight(
    font As IntPtr,   ' GpFont*
    graphics As IntPtr,   ' GpGraphics*
    ByRef height As Single   ' FLOAT* in/out
) As Integer
End Function

' font : GpFont*
' graphics : GpGraphics*
' height : FLOAT* in/out
Declare PtrSafe Function GdipGetFontHeight Lib "gdiplus" ( _
    ByVal font As LongPtr, _
    ByVal graphics As LongPtr, _
    ByRef height As Single) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipGetFontHeight = ctypes.windll.gdiplus.GdipGetFontHeight
GdipGetFontHeight.restype = ctypes.c_int
GdipGetFontHeight.argtypes = [
    ctypes.c_void_p,  # font : GpFont*
    ctypes.c_void_p,  # graphics : GpGraphics*
    ctypes.POINTER(ctypes.c_float),  # height : FLOAT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetFontHeight = Fiddle::Function.new(
  lib['GdipGetFontHeight'],
  [
    Fiddle::TYPE_VOIDP,  # font : GpFont*
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics*
    Fiddle::TYPE_VOIDP,  # height : FLOAT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetFontHeight(
        font: *const GpFont,  // GpFont*
        graphics: *const GpGraphics,  // GpGraphics*
        height: *mut f32  // FLOAT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetFontHeight(IntPtr font, IntPtr graphics, ref float height);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetFontHeight' -Namespace Win32 -PassThru
# $api::GdipGetFontHeight(font, graphics, height)

#uselib "gdiplus.dll"
#func global GdipGetFontHeight "GdipGetFontHeight" sptr, sptr, sptr
; GdipGetFontHeight varptr(font), varptr(graphics), varptr(height)   ; 戻り値は stat
; font : GpFont* -> "sptr"
; graphics : GpGraphics* -> "sptr"
; height : FLOAT* 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")
	procGdipGetFontHeight = gdiplus.NewProc("GdipGetFontHeight")
)

// font (GpFont*), graphics (GpGraphics*), height (FLOAT* in/out)
r1, _, err := procGdipGetFontHeight.Call(
	uintptr(font),
	uintptr(graphics),
	uintptr(height),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetFontHeight(
  font: Pointer;   // GpFont*
  graphics: Pointer;   // GpGraphics*
  height: Pointer   // FLOAT* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetFontHeight';

result := DllCall("gdiplus\GdipGetFontHeight"
    , "Ptr", font   ; GpFont*
    , "Ptr", graphics   ; GpGraphics*
    , "Ptr", height   ; FLOAT* in/out
    , "Int")   ; return: Status

●GdipGetFontHeight(font, graphics, height) = DLL("gdiplus.dll", "int GdipGetFontHeight(void*, void*, void*)")
# 呼び出し: GdipGetFontHeight(font, graphics, height)
# font : GpFont* -> "void*"
# graphics : GpGraphics* -> "void*"
# height : FLOAT* 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 GdipGetFontHeight(
    font: [*c]GpFont, // GpFont*
    graphics: [*c]GpGraphics, // GpGraphics*
    height: [*c]f32 // FLOAT* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GdipGetFontHeight(
    font: ptr GpFont,  # GpFont*
    graphics: ptr GpGraphics,  # GpGraphics*
    height: ptr float32  # FLOAT* in/out
): int32 {.importc: "GdipGetFontHeight", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipGetFontHeight(
    GpFont* font,   // GpFont*
    GpGraphics* graphics,   // GpGraphics*
    float* height   // FLOAT* in/out
);

ccall((:GdipGetFontHeight, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpFont}, Ptr{GpGraphics}, Ptr{Float32}),
      font, graphics, height)
# font : GpFont* -> Ptr{GpFont}
# graphics : GpGraphics* -> Ptr{GpGraphics}
# height : FLOAT* in/out -> Ptr{Float32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetFontHeight(
    void* font,
    void* graphics,
    float* height);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetFontHeight(font, graphics, height)
-- font : GpFont*
-- graphics : GpGraphics*
-- height : FLOAT* 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 GdipGetFontHeight = lib.func('__stdcall', 'GdipGetFontHeight', 'int32_t', ['void *', 'void *', 'float *']);
// GdipGetFontHeight(font, graphics, height)
// font : GpFont* -> 'void *'
// graphics : GpGraphics* -> 'void *'
// height : FLOAT* in/out -> 'float *'
// 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", {
  GdipGetFontHeight: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetFontHeight(font, graphics, height)
// font : GpFont* -> "pointer"
// graphics : GpGraphics* -> "pointer"
// height : FLOAT* 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 GdipGetFontHeight(
    void* font,
    void* graphics,
    float* height);
C, "gdiplus.dll");
// $ffi->GdipGetFontHeight(font, graphics, height);
// font : GpFont*
// graphics : GpGraphics*
// height : FLOAT* 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 GdipGetFontHeight(
        Pointer font,   // GpFont*
        Pointer graphics,   // GpGraphics*
        FloatByReference height   // FLOAT* in/out
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetFontHeight = GdipGetFontHeight(
    font : GpFont*,   # GpFont*
    graphics : GpGraphics*,   # GpGraphics*
    height : Float32*   # FLOAT* 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 GdipGetFontHeightNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Float>);
typedef GdipGetFontHeightDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Float>);
final GdipGetFontHeight = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetFontHeightNative, GdipGetFontHeightDart>('GdipGetFontHeight');
// font : GpFont* -> Pointer<Void>
// graphics : GpGraphics* -> Pointer<Void>
// height : FLOAT* in/out -> Pointer<Float>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipGetFontHeight(
  font: Pointer;   // GpFont*
  graphics: Pointer;   // GpGraphics*
  height: Pointer   // FLOAT* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetFontHeight';

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

foreign import stdcall safe "GdipGetFontHeight"
  c_GdipGetFontHeight :: Ptr () -> Ptr () -> Ptr CFloat -> IO Int32
-- font : GpFont* -> Ptr ()
-- graphics : GpGraphics* -> Ptr ()
-- height : FLOAT* in/out -> Ptr CFloat
-- 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 gdipgetfontheight =
  foreign "GdipGetFontHeight"
    ((ptr void) @-> (ptr void) @-> (ptr float) @-> returning int32_t)
(* font : GpFont* -> (ptr void) *)
(* graphics : GpGraphics* -> (ptr void) *)
(* height : FLOAT* in/out -> (ptr float) *)
(* 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 ("GdipGetFontHeight" gdip-get-font-height :convention :stdcall) :int32
  (font :pointer)   ; GpFont*
  (graphics :pointer)   ; GpGraphics*
  (height :pointer))   ; FLOAT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipGetFontHeight = Win32::API::More->new('gdiplus',
    'int GdipGetFontHeight(LPVOID font, LPVOID graphics, LPVOID height)');
# my $ret = $GdipGetFontHeight->Call($font, $graphics, $height);
# font : GpFont* -> LPVOID
# graphics : GpGraphics* -> LPVOID
# height : FLOAT* 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。