GdipDrawBeziers

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

Status GdipDrawBeziers(
    GpGraphics* graphics,
    GpPen* pen,
    const PointF* points,
    INT count
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawBeziers(
    graphics As IntPtr,   ' GpGraphics* in/out
    pen As IntPtr,   ' GpPen* in/out
    points As IntPtr,   ' PointF*
    count As Integer   ' INT
) As Integer
End Function

' graphics : GpGraphics* in/out
' pen : GpPen* in/out
' points : PointF*
' count : INT
Declare PtrSafe Function GdipDrawBeziers Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal pen As LongPtr, _
    ByVal points As LongPtr, _
    ByVal count 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

GdipDrawBeziers = ctypes.windll.gdiplus.GdipDrawBeziers
GdipDrawBeziers.restype = ctypes.c_int
GdipDrawBeziers.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # pen : GpPen* in/out
    ctypes.c_void_p,  # points : PointF*
    ctypes.c_int,  # count : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawBeziers = Fiddle::Function.new(
  lib['GdipDrawBeziers'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # pen : GpPen* in/out
    Fiddle::TYPE_VOIDP,  # points : PointF*
    Fiddle::TYPE_INT,  # count : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipDrawBeziers(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        pen: *mut GpPen,  // GpPen* in/out
        points: *const PointF,  // PointF*
        count: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawBeziers(IntPtr graphics, IntPtr pen, IntPtr points, int count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawBeziers' -Namespace Win32 -PassThru
# $api::GdipDrawBeziers(graphics, pen, points, count)

#uselib "gdiplus.dll"
#func global GdipDrawBeziers "GdipDrawBeziers" sptr, sptr, sptr, sptr
; GdipDrawBeziers varptr(graphics), varptr(pen), varptr(points), count   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; pen : GpPen* in/out -> "sptr"
; points : PointF* -> "sptr"
; count : INT -> "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")
	procGdipDrawBeziers = gdiplus.NewProc("GdipDrawBeziers")
)

// graphics (GpGraphics* in/out), pen (GpPen* in/out), points (PointF*), count (INT)
r1, _, err := procGdipDrawBeziers.Call(
	uintptr(graphics),
	uintptr(pen),
	uintptr(points),
	uintptr(count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipDrawBeziers(
  graphics: Pointer;   // GpGraphics* in/out
  pen: Pointer;   // GpPen* in/out
  points: Pointer;   // PointF*
  count: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawBeziers';

result := DllCall("gdiplus\GdipDrawBeziers"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Ptr", pen   ; GpPen* in/out
    , "Ptr", points   ; PointF*
    , "Int", count   ; INT
    , "Int")   ; return: Status

●GdipDrawBeziers(graphics, pen, points, count) = DLL("gdiplus.dll", "int GdipDrawBeziers(void*, void*, void*, int)")
# 呼び出し: GdipDrawBeziers(graphics, pen, points, count)
# graphics : GpGraphics* in/out -> "void*"
# pen : GpPen* in/out -> "void*"
# points : PointF* -> "void*"
# count : INT -> "int"
# 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 GdipDrawBeziers(
    graphics: [*c]GpGraphics, // GpGraphics* in/out
    pen: [*c]GpPen, // GpPen* in/out
    points: [*c]PointF, // PointF*
    count: i32 // INT
) callconv(std.os.windows.WINAPI) i32;

proc GdipDrawBeziers(
    graphics: ptr GpGraphics,  # GpGraphics* in/out
    pen: ptr GpPen,  # GpPen* in/out
    points: ptr PointF,  # PointF*
    count: int32  # INT
): int32 {.importc: "GdipDrawBeziers", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawBeziers(
    GpGraphics* graphics,   // GpGraphics* in/out
    GpPen* pen,   // GpPen* in/out
    PointF* points,   // PointF*
    int count   // INT
);

ccall((:GdipDrawBeziers, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpGraphics}, Ptr{GpPen}, Ptr{PointF}, Int32),
      graphics, pen, points, count)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# pen : GpPen* in/out -> Ptr{GpPen}
# points : PointF* -> Ptr{PointF}
# count : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipDrawBeziers(
    void* graphics,
    void* pen,
    void* points,
    int32_t count);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawBeziers(graphics, pen, points, count)
-- graphics : GpGraphics* in/out
-- pen : GpPen* in/out
-- points : PointF*
-- count : INT
-- 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 GdipDrawBeziers = lib.func('__stdcall', 'GdipDrawBeziers', 'int32_t', ['void *', 'void *', 'void *', 'int32_t']);
// GdipDrawBeziers(graphics, pen, points, count)
// graphics : GpGraphics* in/out -> 'void *'
// pen : GpPen* in/out -> 'void *'
// points : PointF* -> 'void *'
// count : INT -> '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("gdiplus.dll", {
  GdipDrawBeziers: { parameters: ["pointer", "pointer", "pointer", "i32"], result: "i32" },
});
// lib.symbols.GdipDrawBeziers(graphics, pen, points, count)
// graphics : GpGraphics* in/out -> "pointer"
// pen : GpPen* in/out -> "pointer"
// points : PointF* -> "pointer"
// count : INT -> "i32"
// 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 GdipDrawBeziers(
    void* graphics,
    void* pen,
    void* points,
    int32_t count);
C, "gdiplus.dll");
// $ffi->GdipDrawBeziers(graphics, pen, points, count);
// graphics : GpGraphics* in/out
// pen : GpPen* in/out
// points : PointF*
// count : INT
// 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 GdipDrawBeziers(
        Pointer graphics,   // GpGraphics* in/out
        Pointer pen,   // GpPen* in/out
        Pointer points,   // PointF*
        int count   // INT
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipDrawBeziers = GdipDrawBeziers(
    graphics : GpGraphics*,   # GpGraphics* in/out
    pen : GpPen*,   # GpPen* in/out
    points : PointF*,   # PointF*
    count : Int32   # INT
  ) : 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 GdipDrawBeziersNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Int32);
typedef GdipDrawBeziersDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int);
final GdipDrawBeziers = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipDrawBeziersNative, GdipDrawBeziersDart>('GdipDrawBeziers');
// graphics : GpGraphics* in/out -> Pointer<Void>
// pen : GpPen* in/out -> Pointer<Void>
// points : PointF* -> Pointer<Void>
// count : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipDrawBeziers(
  graphics: Pointer;   // GpGraphics* in/out
  pen: Pointer;   // GpPen* in/out
  points: Pointer;   // PointF*
  count: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawBeziers';

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

foreign import stdcall safe "GdipDrawBeziers"
  c_GdipDrawBeziers :: Ptr () -> Ptr () -> Ptr () -> Int32 -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- pen : GpPen* in/out -> Ptr ()
-- points : PointF* -> Ptr ()
-- count : INT -> 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 gdipdrawbeziers =
  foreign "GdipDrawBeziers"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> int32_t @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* pen : GpPen* in/out -> (ptr void) *)
(* points : PointF* -> (ptr void) *)
(* count : INT -> 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 gdiplus (t "gdiplus.dll"))
(cffi:use-foreign-library gdiplus)

(cffi:defcfun ("GdipDrawBeziers" gdip-draw-beziers :convention :stdcall) :int32
  (graphics :pointer)   ; GpGraphics* in/out
  (pen :pointer)   ; GpPen* in/out
  (points :pointer)   ; PointF*
  (count :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipDrawBeziers = Win32::API::More->new('gdiplus',
    'int GdipDrawBeziers(LPVOID graphics, LPVOID pen, LPVOID points, int count)');
# my $ret = $GdipDrawBeziers->Call($graphics, $pen, $points, $count);
# graphics : GpGraphics* in/out -> LPVOID
# pen : GpPen* in/out -> LPVOID
# points : PointF* -> LPVOID
# count : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。