GetGlyphOutlineW

// GDI32.dll  (Unicode / -W)
#include <windows.h>

DWORD GetGlyphOutlineW(
    HDC hdc,
    DWORD uChar,
    GET_GLYPH_OUTLINE_FORMAT fuFormat,
    GLYPHMETRICS* lpgm,
    DWORD cjBuffer,
    void* pvBuffer,   // optional
    const MAT2* lpmat2
);

<DllImport("GDI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function GetGlyphOutlineW(
    hdc As IntPtr,   ' HDC
    uChar As UInteger,   ' DWORD
    fuFormat As UInteger,   ' GET_GLYPH_OUTLINE_FORMAT
    lpgm As IntPtr,   ' GLYPHMETRICS* out
    cjBuffer As UInteger,   ' DWORD
    pvBuffer As IntPtr,   ' void* optional, out
    lpmat2 As IntPtr   ' MAT2*
) As UInteger
End Function

' hdc : HDC
' uChar : DWORD
' fuFormat : GET_GLYPH_OUTLINE_FORMAT
' lpgm : GLYPHMETRICS* out
' cjBuffer : DWORD
' pvBuffer : void* optional, out
' lpmat2 : MAT2*
Declare PtrSafe Function GetGlyphOutlineW Lib "gdi32" ( _
    ByVal hdc As LongPtr, _
    ByVal uChar As Long, _
    ByVal fuFormat As Long, _
    ByVal lpgm As LongPtr, _
    ByVal cjBuffer As Long, _
    ByVal pvBuffer As LongPtr, _
    ByVal lpmat2 As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetGlyphOutlineW = ctypes.windll.gdi32.GetGlyphOutlineW
GetGlyphOutlineW.restype = wintypes.DWORD
GetGlyphOutlineW.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    wintypes.DWORD,  # uChar : DWORD
    wintypes.DWORD,  # fuFormat : GET_GLYPH_OUTLINE_FORMAT
    ctypes.c_void_p,  # lpgm : GLYPHMETRICS* out
    wintypes.DWORD,  # cjBuffer : DWORD
    ctypes.POINTER(None),  # pvBuffer : void* optional, out
    ctypes.c_void_p,  # lpmat2 : MAT2*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetGlyphOutlineW = Fiddle::Function.new(
  lib['GetGlyphOutlineW'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    -Fiddle::TYPE_INT,  # uChar : DWORD
    -Fiddle::TYPE_INT,  # fuFormat : GET_GLYPH_OUTLINE_FORMAT
    Fiddle::TYPE_VOIDP,  # lpgm : GLYPHMETRICS* out
    -Fiddle::TYPE_INT,  # cjBuffer : DWORD
    Fiddle::TYPE_VOIDP,  # pvBuffer : void* optional, out
    Fiddle::TYPE_VOIDP,  # lpmat2 : MAT2*
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "gdi32")]
extern "system" {
    fn GetGlyphOutlineW(
        hdc: *mut core::ffi::c_void,  // HDC
        uChar: u32,  // DWORD
        fuFormat: u32,  // GET_GLYPH_OUTLINE_FORMAT
        lpgm: *mut GLYPHMETRICS,  // GLYPHMETRICS* out
        cjBuffer: u32,  // DWORD
        pvBuffer: *mut (),  // void* optional, out
        lpmat2: *const MAT2  // MAT2*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll", CharSet = CharSet.Unicode)]
public static extern uint GetGlyphOutlineW(IntPtr hdc, uint uChar, uint fuFormat, IntPtr lpgm, uint cjBuffer, IntPtr pvBuffer, IntPtr lpmat2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetGlyphOutlineW' -Namespace Win32 -PassThru
# $api::GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)

#uselib "GDI32.dll"
#func global GetGlyphOutlineW "GetGlyphOutlineW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; GetGlyphOutlineW hdc, uChar, fuFormat, varptr(lpgm), cjBuffer, pvBuffer, varptr(lpmat2)   ; 戻り値は stat
; hdc : HDC -> "wptr"
; uChar : DWORD -> "wptr"
; fuFormat : GET_GLYPH_OUTLINE_FORMAT -> "wptr"
; lpgm : GLYPHMETRICS* out -> "wptr"
; cjBuffer : DWORD -> "wptr"
; pvBuffer : void* optional, out -> "wptr"
; lpmat2 : MAT2* -> "wptr"
; ※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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetGlyphOutlineW = gdi32.NewProc("GetGlyphOutlineW")
)

// hdc (HDC), uChar (DWORD), fuFormat (GET_GLYPH_OUTLINE_FORMAT), lpgm (GLYPHMETRICS* out), cjBuffer (DWORD), pvBuffer (void* optional, out), lpmat2 (MAT2*)
r1, _, err := procGetGlyphOutlineW.Call(
	uintptr(hdc),
	uintptr(uChar),
	uintptr(fuFormat),
	uintptr(lpgm),
	uintptr(cjBuffer),
	uintptr(pvBuffer),
	uintptr(lpmat2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetGlyphOutlineW(
  hdc: THandle;   // HDC
  uChar: DWORD;   // DWORD
  fuFormat: DWORD;   // GET_GLYPH_OUTLINE_FORMAT
  lpgm: Pointer;   // GLYPHMETRICS* out
  cjBuffer: DWORD;   // DWORD
  pvBuffer: Pointer;   // void* optional, out
  lpmat2: Pointer   // MAT2*
): DWORD; stdcall;
  external 'GDI32.dll' name 'GetGlyphOutlineW';

result := DllCall("GDI32\GetGlyphOutlineW"
    , "Ptr", hdc   ; HDC
    , "UInt", uChar   ; DWORD
    , "UInt", fuFormat   ; GET_GLYPH_OUTLINE_FORMAT
    , "Ptr", lpgm   ; GLYPHMETRICS* out
    , "UInt", cjBuffer   ; DWORD
    , "Ptr", pvBuffer   ; void* optional, out
    , "Ptr", lpmat2   ; MAT2*
    , "UInt")   ; return: DWORD

●GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2) = DLL("GDI32.dll", "dword GetGlyphOutlineW(void*, dword, dword, void*, dword, void*, void*)")
# 呼び出し: GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)
# hdc : HDC -> "void*"
# uChar : DWORD -> "dword"
# fuFormat : GET_GLYPH_OUTLINE_FORMAT -> "dword"
# lpgm : GLYPHMETRICS* out -> "void*"
# cjBuffer : DWORD -> "dword"
# pvBuffer : void* optional, out -> "void*"
# lpmat2 : MAT2* -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "gdi32" fn GetGlyphOutlineW(
    hdc: ?*anyopaque, // HDC
    uChar: u32, // DWORD
    fuFormat: u32, // GET_GLYPH_OUTLINE_FORMAT
    lpgm: [*c]GLYPHMETRICS, // GLYPHMETRICS* out
    cjBuffer: u32, // DWORD
    pvBuffer: ?*anyopaque, // void* optional, out
    lpmat2: [*c]MAT2 // MAT2*
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc GetGlyphOutlineW(
    hdc: pointer,  # HDC
    uChar: uint32,  # DWORD
    fuFormat: uint32,  # GET_GLYPH_OUTLINE_FORMAT
    lpgm: ptr GLYPHMETRICS,  # GLYPHMETRICS* out
    cjBuffer: uint32,  # DWORD
    pvBuffer: pointer,  # void* optional, out
    lpmat2: ptr MAT2  # MAT2*
): uint32 {.importc: "GetGlyphOutlineW", stdcall, dynlib: "GDI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "gdi32");
extern(Windows)
uint GetGlyphOutlineW(
    void* hdc,   // HDC
    uint uChar,   // DWORD
    uint fuFormat,   // GET_GLYPH_OUTLINE_FORMAT
    GLYPHMETRICS* lpgm,   // GLYPHMETRICS* out
    uint cjBuffer,   // DWORD
    void* pvBuffer,   // void* optional, out
    MAT2* lpmat2   // MAT2*
);

ccall((:GetGlyphOutlineW, "GDI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{GLYPHMETRICS}, UInt32, Ptr{Cvoid}, Ptr{MAT2}),
      hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)
# hdc : HDC -> Ptr{Cvoid}
# uChar : DWORD -> UInt32
# fuFormat : GET_GLYPH_OUTLINE_FORMAT -> UInt32
# lpgm : GLYPHMETRICS* out -> Ptr{GLYPHMETRICS}
# cjBuffer : DWORD -> UInt32
# pvBuffer : void* optional, out -> Ptr{Cvoid}
# lpmat2 : MAT2* -> Ptr{MAT2}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GetGlyphOutlineW(
    void* hdc,
    uint32_t uChar,
    uint32_t fuFormat,
    void* lpgm,
    uint32_t cjBuffer,
    void* pvBuffer,
    void* lpmat2);
]]
local gdi32 = ffi.load("gdi32")
-- gdi32.GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)
-- hdc : HDC
-- uChar : DWORD
-- fuFormat : GET_GLYPH_OUTLINE_FORMAT
-- lpgm : GLYPHMETRICS* out
-- cjBuffer : DWORD
-- pvBuffer : void* optional, out
-- lpmat2 : MAT2*
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('GDI32.dll');
const GetGlyphOutlineW = lib.func('__stdcall', 'GetGlyphOutlineW', 'uint32_t', ['void *', 'uint32_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'void *']);
// GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)
// hdc : HDC -> 'void *'
// uChar : DWORD -> 'uint32_t'
// fuFormat : GET_GLYPH_OUTLINE_FORMAT -> 'uint32_t'
// lpgm : GLYPHMETRICS* out -> 'void *'
// cjBuffer : DWORD -> 'uint32_t'
// pvBuffer : void* optional, out -> 'void *'
// lpmat2 : MAT2* -> 'void *'
// 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("GDI32.dll", {
  GetGlyphOutlineW: { parameters: ["pointer", "u32", "u32", "pointer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2)
// hdc : HDC -> "pointer"
// uChar : DWORD -> "u32"
// fuFormat : GET_GLYPH_OUTLINE_FORMAT -> "u32"
// lpgm : GLYPHMETRICS* out -> "pointer"
// cjBuffer : DWORD -> "u32"
// pvBuffer : void* optional, out -> "pointer"
// lpmat2 : MAT2* -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t GetGlyphOutlineW(
    void* hdc,
    uint32_t uChar,
    uint32_t fuFormat,
    void* lpgm,
    uint32_t cjBuffer,
    void* pvBuffer,
    void* lpmat2);
C, "GDI32.dll");
// $ffi->GetGlyphOutlineW(hdc, uChar, fuFormat, lpgm, cjBuffer, pvBuffer, lpmat2);
// hdc : HDC
// uChar : DWORD
// fuFormat : GET_GLYPH_OUTLINE_FORMAT
// lpgm : GLYPHMETRICS* out
// cjBuffer : DWORD
// pvBuffer : void* optional, out
// lpmat2 : MAT2*
// 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 Gdi32 extends StdCallLibrary {
    Gdi32 INSTANCE = Native.load("gdi32", Gdi32.class, W32APIOptions.UNICODE_OPTIONS);
    int GetGlyphOutlineW(
        Pointer hdc,   // HDC
        int uChar,   // DWORD
        int fuFormat,   // GET_GLYPH_OUTLINE_FORMAT
        Pointer lpgm,   // GLYPHMETRICS* out
        int cjBuffer,   // DWORD
        Pointer pvBuffer,   // void* optional, out
        Pointer lpmat2   // MAT2*
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("gdi32")]
lib LibGDI32
  fun GetGlyphOutlineW = GetGlyphOutlineW(
    hdc : Void*,   # HDC
    uChar : UInt32,   # DWORD
    fuFormat : UInt32,   # GET_GLYPH_OUTLINE_FORMAT
    lpgm : GLYPHMETRICS*,   # GLYPHMETRICS* out
    cjBuffer : UInt32,   # DWORD
    pvBuffer : Void*,   # void* optional, out
    lpmat2 : MAT2*   # MAT2*
  ) : UInt32
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 GetGlyphOutlineWNative = Uint32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef GetGlyphOutlineWDart = int Function(Pointer<Void>, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final GetGlyphOutlineW = DynamicLibrary.open('GDI32.dll')
    .lookupFunction<GetGlyphOutlineWNative, GetGlyphOutlineWDart>('GetGlyphOutlineW');
// hdc : HDC -> Pointer<Void>
// uChar : DWORD -> Uint32
// fuFormat : GET_GLYPH_OUTLINE_FORMAT -> Uint32
// lpgm : GLYPHMETRICS* out -> Pointer<Void>
// cjBuffer : DWORD -> Uint32
// pvBuffer : void* optional, out -> Pointer<Void>
// lpmat2 : MAT2* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetGlyphOutlineW(
  hdc: THandle;   // HDC
  uChar: DWORD;   // DWORD
  fuFormat: DWORD;   // GET_GLYPH_OUTLINE_FORMAT
  lpgm: Pointer;   // GLYPHMETRICS* out
  cjBuffer: DWORD;   // DWORD
  pvBuffer: Pointer;   // void* optional, out
  lpmat2: Pointer   // MAT2*
): DWORD; stdcall;
  external 'GDI32.dll' name 'GetGlyphOutlineW';

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

foreign import stdcall safe "GetGlyphOutlineW"
  c_GetGlyphOutlineW :: Ptr () -> Word32 -> Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO Word32
-- hdc : HDC -> Ptr ()
-- uChar : DWORD -> Word32
-- fuFormat : GET_GLYPH_OUTLINE_FORMAT -> Word32
-- lpgm : GLYPHMETRICS* out -> Ptr ()
-- cjBuffer : DWORD -> Word32
-- pvBuffer : void* optional, out -> Ptr ()
-- lpmat2 : MAT2* -> 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 getglyphoutlinew =
  foreign "GetGlyphOutlineW"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* hdc : HDC -> (ptr void) *)
(* uChar : DWORD -> uint32_t *)
(* fuFormat : GET_GLYPH_OUTLINE_FORMAT -> uint32_t *)
(* lpgm : GLYPHMETRICS* out -> (ptr void) *)
(* cjBuffer : DWORD -> uint32_t *)
(* pvBuffer : void* optional, out -> (ptr void) *)
(* lpmat2 : MAT2* -> (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 gdi32 (t "GDI32.dll"))
(cffi:use-foreign-library gdi32)

(cffi:defcfun ("GetGlyphOutlineW" get-glyph-outline-w :convention :stdcall) :uint32
  (hdc :pointer)   ; HDC
  (u-char :uint32)   ; DWORD
  (fu-format :uint32)   ; GET_GLYPH_OUTLINE_FORMAT
  (lpgm :pointer)   ; GLYPHMETRICS* out
  (cj-buffer :uint32)   ; DWORD
  (pv-buffer :pointer)   ; void* optional, out
  (lpmat2 :pointer))   ; MAT2*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetGlyphOutlineW = Win32::API::More->new('GDI32',
    'DWORD GetGlyphOutlineW(HANDLE hdc, DWORD uChar, DWORD fuFormat, LPVOID lpgm, DWORD cjBuffer, LPVOID pvBuffer, LPVOID lpmat2)');
# my $ret = $GetGlyphOutlineW->Call($hdc, $uChar, $fuFormat, $lpgm, $cjBuffer, $pvBuffer, $lpmat2);
# hdc : HDC -> HANDLE
# uChar : DWORD -> DWORD
# fuFormat : GET_GLYPH_OUTLINE_FORMAT -> DWORD
# lpgm : GLYPHMETRICS* out -> LPVOID
# cjBuffer : DWORD -> DWORD
# pvBuffer : void* optional, out -> LPVOID
# lpmat2 : MAT2* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。