TTEmbedFont

// t2embed.dll
#include <windows.h>

INT TTEmbedFont(
    HDC hDC,
    TTEMBED_FLAGS ulFlags,
    EMBED_FONT_CHARSET ulCharSet,
    EMBEDDED_FONT_PRIV_STATUS* pulPrivStatus,
    DWORD* pulStatus,
    WRITEEMBEDPROC lpfnWriteToStream,
    void* lpvWriteStream,
    WORD* pusCharCodeSet,
    WORD usCharCodeCount,
    WORD usLanguage,
    TTEMBEDINFO* pTTEmbedInfo   // optional
);

<DllImport("t2embed.dll", ExactSpelling:=True)>
Public Shared Function TTEmbedFont(
    hDC As IntPtr,   ' HDC
    ulFlags As UInteger,   ' TTEMBED_FLAGS
    ulCharSet As UInteger,   ' EMBED_FONT_CHARSET
    <Out> ByRef pulPrivStatus As UInteger,   ' EMBEDDED_FONT_PRIV_STATUS* out
    <Out> ByRef pulStatus As UInteger,   ' DWORD* out
    lpfnWriteToStream As IntPtr,   ' WRITEEMBEDPROC
    lpvWriteStream As IntPtr,   ' void*
    ByRef pusCharCodeSet As UShort,   ' WORD*
    usCharCodeCount As UShort,   ' WORD
    usLanguage As UShort,   ' WORD
    pTTEmbedInfo As IntPtr   ' TTEMBEDINFO* optional
) As Integer
End Function

' hDC : HDC
' ulFlags : TTEMBED_FLAGS
' ulCharSet : EMBED_FONT_CHARSET
' pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out
' pulStatus : DWORD* out
' lpfnWriteToStream : WRITEEMBEDPROC
' lpvWriteStream : void*
' pusCharCodeSet : WORD*
' usCharCodeCount : WORD
' usLanguage : WORD
' pTTEmbedInfo : TTEMBEDINFO* optional
Declare PtrSafe Function TTEmbedFont Lib "t2embed" ( _
    ByVal hDC As LongPtr, _
    ByVal ulFlags As Long, _
    ByVal ulCharSet As Long, _
    ByRef pulPrivStatus As Long, _
    ByRef pulStatus As Long, _
    ByVal lpfnWriteToStream As LongPtr, _
    ByVal lpvWriteStream As LongPtr, _
    ByRef pusCharCodeSet As Integer, _
    ByVal usCharCodeCount As Integer, _
    ByVal usLanguage As Integer, _
    ByVal pTTEmbedInfo As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

TTEmbedFont = ctypes.windll.t2embed.TTEmbedFont
TTEmbedFont.restype = ctypes.c_int
TTEmbedFont.argtypes = [
    wintypes.HANDLE,  # hDC : HDC
    wintypes.DWORD,  # ulFlags : TTEMBED_FLAGS
    wintypes.DWORD,  # ulCharSet : EMBED_FONT_CHARSET
    ctypes.c_void_p,  # pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out
    ctypes.POINTER(wintypes.DWORD),  # pulStatus : DWORD* out
    ctypes.c_void_p,  # lpfnWriteToStream : WRITEEMBEDPROC
    ctypes.POINTER(None),  # lpvWriteStream : void*
    ctypes.POINTER(ctypes.c_ushort),  # pusCharCodeSet : WORD*
    ctypes.c_ushort,  # usCharCodeCount : WORD
    ctypes.c_ushort,  # usLanguage : WORD
    ctypes.c_void_p,  # pTTEmbedInfo : TTEMBEDINFO* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('t2embed.dll')
TTEmbedFont = Fiddle::Function.new(
  lib['TTEmbedFont'],
  [
    Fiddle::TYPE_VOIDP,  # hDC : HDC
    -Fiddle::TYPE_INT,  # ulFlags : TTEMBED_FLAGS
    -Fiddle::TYPE_INT,  # ulCharSet : EMBED_FONT_CHARSET
    Fiddle::TYPE_VOIDP,  # pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out
    Fiddle::TYPE_VOIDP,  # pulStatus : DWORD* out
    Fiddle::TYPE_VOIDP,  # lpfnWriteToStream : WRITEEMBEDPROC
    Fiddle::TYPE_VOIDP,  # lpvWriteStream : void*
    Fiddle::TYPE_VOIDP,  # pusCharCodeSet : WORD*
    -Fiddle::TYPE_SHORT,  # usCharCodeCount : WORD
    -Fiddle::TYPE_SHORT,  # usLanguage : WORD
    Fiddle::TYPE_VOIDP,  # pTTEmbedInfo : TTEMBEDINFO* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "t2embed")]
extern "system" {
    fn TTEmbedFont(
        hDC: *mut core::ffi::c_void,  // HDC
        ulFlags: u32,  // TTEMBED_FLAGS
        ulCharSet: u32,  // EMBED_FONT_CHARSET
        pulPrivStatus: *mut u32,  // EMBEDDED_FONT_PRIV_STATUS* out
        pulStatus: *mut u32,  // DWORD* out
        lpfnWriteToStream: *const core::ffi::c_void,  // WRITEEMBEDPROC
        lpvWriteStream: *mut (),  // void*
        pusCharCodeSet: *mut u16,  // WORD*
        usCharCodeCount: u16,  // WORD
        usLanguage: u16,  // WORD
        pTTEmbedInfo: *mut TTEMBEDINFO  // TTEMBEDINFO* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("t2embed.dll")]
public static extern int TTEmbedFont(IntPtr hDC, uint ulFlags, uint ulCharSet, out uint pulPrivStatus, out uint pulStatus, IntPtr lpfnWriteToStream, IntPtr lpvWriteStream, ref ushort pusCharCodeSet, ushort usCharCodeCount, ushort usLanguage, IntPtr pTTEmbedInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 't2embed_TTEmbedFont' -Namespace Win32 -PassThru
# $api::TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)

#uselib "t2embed.dll"
#func global TTEmbedFont "TTEmbedFont" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; TTEmbedFont hDC, ulFlags, ulCharSet, varptr(pulPrivStatus), varptr(pulStatus), lpfnWriteToStream, lpvWriteStream, varptr(pusCharCodeSet), usCharCodeCount, usLanguage, varptr(pTTEmbedInfo)   ; 戻り値は stat
; hDC : HDC -> "sptr"
; ulFlags : TTEMBED_FLAGS -> "sptr"
; ulCharSet : EMBED_FONT_CHARSET -> "sptr"
; pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> "sptr"
; pulStatus : DWORD* out -> "sptr"
; lpfnWriteToStream : WRITEEMBEDPROC -> "sptr"
; lpvWriteStream : void* -> "sptr"
; pusCharCodeSet : WORD* -> "sptr"
; usCharCodeCount : WORD -> "sptr"
; usLanguage : WORD -> "sptr"
; pTTEmbedInfo : TTEMBEDINFO* optional -> "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 (
	t2embed = windows.NewLazySystemDLL("t2embed.dll")
	procTTEmbedFont = t2embed.NewProc("TTEmbedFont")
)

// hDC (HDC), ulFlags (TTEMBED_FLAGS), ulCharSet (EMBED_FONT_CHARSET), pulPrivStatus (EMBEDDED_FONT_PRIV_STATUS* out), pulStatus (DWORD* out), lpfnWriteToStream (WRITEEMBEDPROC), lpvWriteStream (void*), pusCharCodeSet (WORD*), usCharCodeCount (WORD), usLanguage (WORD), pTTEmbedInfo (TTEMBEDINFO* optional)
r1, _, err := procTTEmbedFont.Call(
	uintptr(hDC),
	uintptr(ulFlags),
	uintptr(ulCharSet),
	uintptr(pulPrivStatus),
	uintptr(pulStatus),
	uintptr(lpfnWriteToStream),
	uintptr(lpvWriteStream),
	uintptr(pusCharCodeSet),
	uintptr(usCharCodeCount),
	uintptr(usLanguage),
	uintptr(pTTEmbedInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function TTEmbedFont(
  hDC: THandle;   // HDC
  ulFlags: DWORD;   // TTEMBED_FLAGS
  ulCharSet: DWORD;   // EMBED_FONT_CHARSET
  pulPrivStatus: Pointer;   // EMBEDDED_FONT_PRIV_STATUS* out
  pulStatus: Pointer;   // DWORD* out
  lpfnWriteToStream: Pointer;   // WRITEEMBEDPROC
  lpvWriteStream: Pointer;   // void*
  pusCharCodeSet: Pointer;   // WORD*
  usCharCodeCount: Word;   // WORD
  usLanguage: Word;   // WORD
  pTTEmbedInfo: Pointer   // TTEMBEDINFO* optional
): Integer; stdcall;
  external 't2embed.dll' name 'TTEmbedFont';

result := DllCall("t2embed\TTEmbedFont"
    , "Ptr", hDC   ; HDC
    , "UInt", ulFlags   ; TTEMBED_FLAGS
    , "UInt", ulCharSet   ; EMBED_FONT_CHARSET
    , "Ptr", pulPrivStatus   ; EMBEDDED_FONT_PRIV_STATUS* out
    , "Ptr", pulStatus   ; DWORD* out
    , "Ptr", lpfnWriteToStream   ; WRITEEMBEDPROC
    , "Ptr", lpvWriteStream   ; void*
    , "Ptr", pusCharCodeSet   ; WORD*
    , "UShort", usCharCodeCount   ; WORD
    , "UShort", usLanguage   ; WORD
    , "Ptr", pTTEmbedInfo   ; TTEMBEDINFO* optional
    , "Int")   ; return: INT

●TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo) = DLL("t2embed.dll", "int TTEmbedFont(void*, dword, dword, void*, void*, void*, void*, void*, int, int, void*)")
# 呼び出し: TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)
# hDC : HDC -> "void*"
# ulFlags : TTEMBED_FLAGS -> "dword"
# ulCharSet : EMBED_FONT_CHARSET -> "dword"
# pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> "void*"
# pulStatus : DWORD* out -> "void*"
# lpfnWriteToStream : WRITEEMBEDPROC -> "void*"
# lpvWriteStream : void* -> "void*"
# pusCharCodeSet : WORD* -> "void*"
# usCharCodeCount : WORD -> "int"
# usLanguage : WORD -> "int"
# pTTEmbedInfo : TTEMBEDINFO* optional -> "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 "t2embed" fn TTEmbedFont(
    hDC: ?*anyopaque, // HDC
    ulFlags: u32, // TTEMBED_FLAGS
    ulCharSet: u32, // EMBED_FONT_CHARSET
    pulPrivStatus: [*c]u32, // EMBEDDED_FONT_PRIV_STATUS* out
    pulStatus: [*c]u32, // DWORD* out
    lpfnWriteToStream: ?*anyopaque, // WRITEEMBEDPROC
    lpvWriteStream: ?*anyopaque, // void*
    pusCharCodeSet: [*c]u16, // WORD*
    usCharCodeCount: u16, // WORD
    usLanguage: u16, // WORD
    pTTEmbedInfo: [*c]TTEMBEDINFO // TTEMBEDINFO* optional
) callconv(std.os.windows.WINAPI) i32;

proc TTEmbedFont(
    hDC: pointer,  # HDC
    ulFlags: uint32,  # TTEMBED_FLAGS
    ulCharSet: uint32,  # EMBED_FONT_CHARSET
    pulPrivStatus: ptr uint32,  # EMBEDDED_FONT_PRIV_STATUS* out
    pulStatus: ptr uint32,  # DWORD* out
    lpfnWriteToStream: pointer,  # WRITEEMBEDPROC
    lpvWriteStream: pointer,  # void*
    pusCharCodeSet: ptr uint16,  # WORD*
    usCharCodeCount: uint16,  # WORD
    usLanguage: uint16,  # WORD
    pTTEmbedInfo: ptr TTEMBEDINFO  # TTEMBEDINFO* optional
): int32 {.importc: "TTEmbedFont", stdcall, dynlib: "t2embed.dll".}

pragma(lib, "t2embed");
extern(Windows)
int TTEmbedFont(
    void* hDC,   // HDC
    uint ulFlags,   // TTEMBED_FLAGS
    uint ulCharSet,   // EMBED_FONT_CHARSET
    uint* pulPrivStatus,   // EMBEDDED_FONT_PRIV_STATUS* out
    uint* pulStatus,   // DWORD* out
    void* lpfnWriteToStream,   // WRITEEMBEDPROC
    void* lpvWriteStream,   // void*
    ushort* pusCharCodeSet,   // WORD*
    ushort usCharCodeCount,   // WORD
    ushort usLanguage,   // WORD
    TTEMBEDINFO* pTTEmbedInfo   // TTEMBEDINFO* optional
);

ccall((:TTEmbedFont, "t2embed.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{UInt32}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{UInt16}, UInt16, UInt16, Ptr{TTEMBEDINFO}),
      hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)
# hDC : HDC -> Ptr{Cvoid}
# ulFlags : TTEMBED_FLAGS -> UInt32
# ulCharSet : EMBED_FONT_CHARSET -> UInt32
# pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> Ptr{UInt32}
# pulStatus : DWORD* out -> Ptr{UInt32}
# lpfnWriteToStream : WRITEEMBEDPROC -> Ptr{Cvoid}
# lpvWriteStream : void* -> Ptr{Cvoid}
# pusCharCodeSet : WORD* -> Ptr{UInt16}
# usCharCodeCount : WORD -> UInt16
# usLanguage : WORD -> UInt16
# pTTEmbedInfo : TTEMBEDINFO* optional -> Ptr{TTEMBEDINFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t TTEmbedFont(
    void* hDC,
    uint32_t ulFlags,
    uint32_t ulCharSet,
    uint32_t* pulPrivStatus,
    uint32_t* pulStatus,
    void* lpfnWriteToStream,
    void* lpvWriteStream,
    uint16_t* pusCharCodeSet,
    uint16_t usCharCodeCount,
    uint16_t usLanguage,
    void* pTTEmbedInfo);
]]
local t2embed = ffi.load("t2embed")
-- t2embed.TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)
-- hDC : HDC
-- ulFlags : TTEMBED_FLAGS
-- ulCharSet : EMBED_FONT_CHARSET
-- pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out
-- pulStatus : DWORD* out
-- lpfnWriteToStream : WRITEEMBEDPROC
-- lpvWriteStream : void*
-- pusCharCodeSet : WORD*
-- usCharCodeCount : WORD
-- usLanguage : WORD
-- pTTEmbedInfo : TTEMBEDINFO* optional
-- 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('t2embed.dll');
const TTEmbedFont = lib.func('__stdcall', 'TTEmbedFont', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'uint32_t *', 'uint32_t *', 'void *', 'void *', 'uint16_t *', 'uint16_t', 'uint16_t', 'void *']);
// TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)
// hDC : HDC -> 'void *'
// ulFlags : TTEMBED_FLAGS -> 'uint32_t'
// ulCharSet : EMBED_FONT_CHARSET -> 'uint32_t'
// pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> 'uint32_t *'
// pulStatus : DWORD* out -> 'uint32_t *'
// lpfnWriteToStream : WRITEEMBEDPROC -> 'void *'
// lpvWriteStream : void* -> 'void *'
// pusCharCodeSet : WORD* -> 'uint16_t *'
// usCharCodeCount : WORD -> 'uint16_t'
// usLanguage : WORD -> 'uint16_t'
// pTTEmbedInfo : TTEMBEDINFO* optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("t2embed.dll", {
  TTEmbedFont: { parameters: ["pointer", "u32", "u32", "pointer", "pointer", "pointer", "pointer", "pointer", "u16", "u16", "pointer"], result: "i32" },
});
// lib.symbols.TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo)
// hDC : HDC -> "pointer"
// ulFlags : TTEMBED_FLAGS -> "u32"
// ulCharSet : EMBED_FONT_CHARSET -> "u32"
// pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> "pointer"
// pulStatus : DWORD* out -> "pointer"
// lpfnWriteToStream : WRITEEMBEDPROC -> "pointer"
// lpvWriteStream : void* -> "pointer"
// pusCharCodeSet : WORD* -> "pointer"
// usCharCodeCount : WORD -> "u16"
// usLanguage : WORD -> "u16"
// pTTEmbedInfo : TTEMBEDINFO* optional -> "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 TTEmbedFont(
    void* hDC,
    uint32_t ulFlags,
    uint32_t ulCharSet,
    uint32_t* pulPrivStatus,
    uint32_t* pulStatus,
    void* lpfnWriteToStream,
    void* lpvWriteStream,
    uint16_t* pusCharCodeSet,
    uint16_t usCharCodeCount,
    uint16_t usLanguage,
    void* pTTEmbedInfo);
C, "t2embed.dll");
// $ffi->TTEmbedFont(hDC, ulFlags, ulCharSet, pulPrivStatus, pulStatus, lpfnWriteToStream, lpvWriteStream, pusCharCodeSet, usCharCodeCount, usLanguage, pTTEmbedInfo);
// hDC : HDC
// ulFlags : TTEMBED_FLAGS
// ulCharSet : EMBED_FONT_CHARSET
// pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out
// pulStatus : DWORD* out
// lpfnWriteToStream : WRITEEMBEDPROC
// lpvWriteStream : void*
// pusCharCodeSet : WORD*
// usCharCodeCount : WORD
// usLanguage : WORD
// pTTEmbedInfo : TTEMBEDINFO* optional
// 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 T2embed extends StdCallLibrary {
    T2embed INSTANCE = Native.load("t2embed", T2embed.class);
    int TTEmbedFont(
        Pointer hDC,   // HDC
        int ulFlags,   // TTEMBED_FLAGS
        int ulCharSet,   // EMBED_FONT_CHARSET
        IntByReference pulPrivStatus,   // EMBEDDED_FONT_PRIV_STATUS* out
        IntByReference pulStatus,   // DWORD* out
        Callback lpfnWriteToStream,   // WRITEEMBEDPROC
        Pointer lpvWriteStream,   // void*
        ShortByReference pusCharCodeSet,   // WORD*
        short usCharCodeCount,   // WORD
        short usLanguage,   // WORD
        Pointer pTTEmbedInfo   // TTEMBEDINFO* optional
    );
}

@[Link("t2embed")]
lib Libt2embed
  fun TTEmbedFont = TTEmbedFont(
    hDC : Void*,   # HDC
    ulFlags : UInt32,   # TTEMBED_FLAGS
    ulCharSet : UInt32,   # EMBED_FONT_CHARSET
    pulPrivStatus : UInt32*,   # EMBEDDED_FONT_PRIV_STATUS* out
    pulStatus : UInt32*,   # DWORD* out
    lpfnWriteToStream : Void*,   # WRITEEMBEDPROC
    lpvWriteStream : Void*,   # void*
    pusCharCodeSet : UInt16*,   # WORD*
    usCharCodeCount : UInt16,   # WORD
    usLanguage : UInt16,   # WORD
    pTTEmbedInfo : TTEMBEDINFO*   # TTEMBEDINFO* optional
  ) : 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 TTEmbedFontNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Void>, Pointer<Uint16>, Uint16, Uint16, Pointer<Void>);
typedef TTEmbedFontDart = int Function(Pointer<Void>, int, int, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Void>, Pointer<Uint16>, int, int, Pointer<Void>);
final TTEmbedFont = DynamicLibrary.open('t2embed.dll')
    .lookupFunction<TTEmbedFontNative, TTEmbedFontDart>('TTEmbedFont');
// hDC : HDC -> Pointer<Void>
// ulFlags : TTEMBED_FLAGS -> Uint32
// ulCharSet : EMBED_FONT_CHARSET -> Uint32
// pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> Pointer<Uint32>
// pulStatus : DWORD* out -> Pointer<Uint32>
// lpfnWriteToStream : WRITEEMBEDPROC -> Pointer<Void>
// lpvWriteStream : void* -> Pointer<Void>
// pusCharCodeSet : WORD* -> Pointer<Uint16>
// usCharCodeCount : WORD -> Uint16
// usLanguage : WORD -> Uint16
// pTTEmbedInfo : TTEMBEDINFO* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function TTEmbedFont(
  hDC: THandle;   // HDC
  ulFlags: DWORD;   // TTEMBED_FLAGS
  ulCharSet: DWORD;   // EMBED_FONT_CHARSET
  pulPrivStatus: Pointer;   // EMBEDDED_FONT_PRIV_STATUS* out
  pulStatus: Pointer;   // DWORD* out
  lpfnWriteToStream: Pointer;   // WRITEEMBEDPROC
  lpvWriteStream: Pointer;   // void*
  pusCharCodeSet: Pointer;   // WORD*
  usCharCodeCount: Word;   // WORD
  usLanguage: Word;   // WORD
  pTTEmbedInfo: Pointer   // TTEMBEDINFO* optional
): Integer; stdcall;
  external 't2embed.dll' name 'TTEmbedFont';

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

foreign import stdcall safe "TTEmbedFont"
  c_TTEmbedFont :: Ptr () -> Word32 -> Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr () -> Ptr () -> Ptr Word16 -> Word16 -> Word16 -> Ptr () -> IO Int32
-- hDC : HDC -> Ptr ()
-- ulFlags : TTEMBED_FLAGS -> Word32
-- ulCharSet : EMBED_FONT_CHARSET -> Word32
-- pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> Ptr Word32
-- pulStatus : DWORD* out -> Ptr Word32
-- lpfnWriteToStream : WRITEEMBEDPROC -> Ptr ()
-- lpvWriteStream : void* -> Ptr ()
-- pusCharCodeSet : WORD* -> Ptr Word16
-- usCharCodeCount : WORD -> Word16
-- usLanguage : WORD -> Word16
-- pTTEmbedInfo : TTEMBEDINFO* optional -> Ptr ()
-- 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 ttembedfont =
  foreign "TTEmbedFont"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr void) @-> (ptr uint16_t) @-> uint16_t @-> uint16_t @-> (ptr void) @-> returning int32_t)
(* hDC : HDC -> (ptr void) *)
(* ulFlags : TTEMBED_FLAGS -> uint32_t *)
(* ulCharSet : EMBED_FONT_CHARSET -> uint32_t *)
(* pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> (ptr uint32_t) *)
(* pulStatus : DWORD* out -> (ptr uint32_t) *)
(* lpfnWriteToStream : WRITEEMBEDPROC -> (ptr void) *)
(* lpvWriteStream : void* -> (ptr void) *)
(* pusCharCodeSet : WORD* -> (ptr uint16_t) *)
(* usCharCodeCount : WORD -> uint16_t *)
(* usLanguage : WORD -> uint16_t *)
(* pTTEmbedInfo : TTEMBEDINFO* optional -> (ptr void) *)
(* 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 t2embed (t "t2embed.dll"))
(cffi:use-foreign-library t2embed)

(cffi:defcfun ("TTEmbedFont" ttembed-font :convention :stdcall) :int32
  (h-dc :pointer)   ; HDC
  (ul-flags :uint32)   ; TTEMBED_FLAGS
  (ul-char-set :uint32)   ; EMBED_FONT_CHARSET
  (pul-priv-status :pointer)   ; EMBEDDED_FONT_PRIV_STATUS* out
  (pul-status :pointer)   ; DWORD* out
  (lpfn-write-to-stream :pointer)   ; WRITEEMBEDPROC
  (lpv-write-stream :pointer)   ; void*
  (pus-char-code-set :pointer)   ; WORD*
  (us-char-code-count :uint16)   ; WORD
  (us-language :uint16)   ; WORD
  (p-ttembed-info :pointer))   ; TTEMBEDINFO* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $TTEmbedFont = Win32::API::More->new('t2embed',
    'int TTEmbedFont(HANDLE hDC, DWORD ulFlags, DWORD ulCharSet, LPVOID pulPrivStatus, LPVOID pulStatus, LPVOID lpfnWriteToStream, LPVOID lpvWriteStream, LPVOID pusCharCodeSet, WORD usCharCodeCount, WORD usLanguage, LPVOID pTTEmbedInfo)');
# my $ret = $TTEmbedFont->Call($hDC, $ulFlags, $ulCharSet, $pulPrivStatus, $pulStatus, $lpfnWriteToStream, $lpvWriteStream, $pusCharCodeSet, $usCharCodeCount, $usLanguage, $pTTEmbedInfo);
# hDC : HDC -> HANDLE
# ulFlags : TTEMBED_FLAGS -> DWORD
# ulCharSet : EMBED_FONT_CHARSET -> DWORD
# pulPrivStatus : EMBEDDED_FONT_PRIV_STATUS* out -> LPVOID
# pulStatus : DWORD* out -> LPVOID
# lpfnWriteToStream : WRITEEMBEDPROC -> LPVOID
# lpvWriteStream : void* -> LPVOID
# pusCharCodeSet : WORD* -> LPVOID
# usCharCodeCount : WORD -> WORD
# usLanguage : WORD -> WORD
# pTTEmbedInfo : TTEMBEDINFO* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。