GdipFlattenPath

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

Status GdipFlattenPath(
    GpPath* path,
    Matrix* matrix,
    FLOAT flatness
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipFlattenPath(
    path As IntPtr,   ' GpPath* in/out
    ByRef matrix As IntPtr,   ' Matrix* in/out
    flatness As Single   ' FLOAT
) As Integer
End Function

' path : GpPath* in/out
' matrix : Matrix* in/out
' flatness : FLOAT
Declare PtrSafe Function GdipFlattenPath Lib "gdiplus" ( _
    ByVal path As LongPtr, _
    ByRef matrix As LongPtr, _
    ByVal flatness 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

GdipFlattenPath = ctypes.windll.gdiplus.GdipFlattenPath
GdipFlattenPath.restype = ctypes.c_int
GdipFlattenPath.argtypes = [
    ctypes.c_void_p,  # path : GpPath* in/out
    ctypes.c_void_p,  # matrix : Matrix* in/out
    ctypes.c_float,  # flatness : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipFlattenPath = Fiddle::Function.new(
  lib['GdipFlattenPath'],
  [
    Fiddle::TYPE_VOIDP,  # path : GpPath* in/out
    Fiddle::TYPE_VOIDP,  # matrix : Matrix* in/out
    Fiddle::TYPE_FLOAT,  # flatness : FLOAT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipFlattenPath(
        path: *mut GpPath,  // GpPath* in/out
        matrix: *mut isize,  // Matrix* in/out
        flatness: f32  // FLOAT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipFlattenPath(IntPtr path, ref IntPtr matrix, float flatness);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipFlattenPath' -Namespace Win32 -PassThru
# $api::GdipFlattenPath(path, matrix, flatness)

#uselib "gdiplus.dll"
#func global GdipFlattenPath "GdipFlattenPath" sptr, sptr, float
; GdipFlattenPath varptr(path), varptr(matrix), flatness   ; 戻り値は stat
; path : GpPath* in/out -> "sptr"
; matrix : Matrix* in/out -> "sptr"
; flatness : FLOAT -> "float"
; ※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 (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipFlattenPath = gdiplus.NewProc("GdipFlattenPath")
)

// path (GpPath* in/out), matrix (Matrix* in/out), flatness (FLOAT)
r1, _, err := procGdipFlattenPath.Call(
	uintptr(path),
	uintptr(matrix),
	uintptr(math.Float32bits(flatness)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

function GdipFlattenPath(
  path: Pointer;   // GpPath* in/out
  matrix: Pointer;   // Matrix* in/out
  flatness: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipFlattenPath';

result := DllCall("gdiplus\GdipFlattenPath"
    , "Ptr", path   ; GpPath* in/out
    , "Ptr", matrix   ; Matrix* in/out
    , "Float", flatness   ; FLOAT
    , "Int")   ; return: Status

●GdipFlattenPath(path, matrix, flatness) = DLL("gdiplus.dll", "int GdipFlattenPath(void*, void*, float)")
# 呼び出し: GdipFlattenPath(path, matrix, flatness)
# path : GpPath* in/out -> "void*"
# matrix : Matrix* in/out -> "void*"
# flatness : FLOAT -> "float"
# 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 GdipFlattenPath(
    path: [*c]GpPath, // GpPath* in/out
    matrix: [*c]isize, // Matrix* in/out
    flatness: f32 // FLOAT
) callconv(std.os.windows.WINAPI) i32;

proc GdipFlattenPath(
    path: ptr GpPath,  # GpPath* in/out
    matrix: ptr int,  # Matrix* in/out
    flatness: float32  # FLOAT
): int32 {.importc: "GdipFlattenPath", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipFlattenPath(
    GpPath* path,   // GpPath* in/out
    ptrdiff_t* matrix,   // Matrix* in/out
    float flatness   // FLOAT
);

ccall((:GdipFlattenPath, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpPath}, Ptr{Int}, Float32),
      path, matrix, flatness)
# path : GpPath* in/out -> Ptr{GpPath}
# matrix : Matrix* in/out -> Ptr{Int}
# flatness : FLOAT -> Float32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipFlattenPath(
    void* path,
    intptr_t* matrix,
    float flatness);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipFlattenPath(path, matrix, flatness)
-- path : GpPath* in/out
-- matrix : Matrix* in/out
-- flatness : FLOAT
-- 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 GdipFlattenPath = lib.func('__stdcall', 'GdipFlattenPath', 'int32_t', ['void *', 'intptr_t *', 'float']);
// GdipFlattenPath(path, matrix, flatness)
// path : GpPath* in/out -> 'void *'
// matrix : Matrix* in/out -> 'intptr_t *'
// flatness : FLOAT -> '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", {
  GdipFlattenPath: { parameters: ["pointer", "pointer", "f32"], result: "i32" },
});
// lib.symbols.GdipFlattenPath(path, matrix, flatness)
// path : GpPath* in/out -> "pointer"
// matrix : Matrix* in/out -> "pointer"
// flatness : FLOAT -> "f32"
// 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 GdipFlattenPath(
    void* path,
    intptr_t* matrix,
    float flatness);
C, "gdiplus.dll");
// $ffi->GdipFlattenPath(path, matrix, flatness);
// path : GpPath* in/out
// matrix : Matrix* in/out
// flatness : FLOAT
// 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 GdipFlattenPath(
        Pointer path,   // GpPath* in/out
        LongByReference matrix,   // Matrix* in/out
        float flatness   // FLOAT
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipFlattenPath = GdipFlattenPath(
    path : GpPath*,   # GpPath* in/out
    matrix : LibC::SSizeT*,   # Matrix* in/out
    flatness : Float32   # FLOAT
  ) : 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 GdipFlattenPathNative = Int32 Function(Pointer<Void>, Pointer<IntPtr>, Float);
typedef GdipFlattenPathDart = int Function(Pointer<Void>, Pointer<IntPtr>, double);
final GdipFlattenPath = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipFlattenPathNative, GdipFlattenPathDart>('GdipFlattenPath');
// path : GpPath* in/out -> Pointer<Void>
// matrix : Matrix* in/out -> Pointer<IntPtr>
// flatness : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipFlattenPath(
  path: Pointer;   // GpPath* in/out
  matrix: Pointer;   // Matrix* in/out
  flatness: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipFlattenPath';

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

foreign import stdcall safe "GdipFlattenPath"
  c_GdipFlattenPath :: Ptr () -> Ptr CIntPtr -> CFloat -> IO Int32
-- path : GpPath* in/out -> Ptr ()
-- matrix : Matrix* in/out -> Ptr CIntPtr
-- flatness : FLOAT -> 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 gdipflattenpath =
  foreign "GdipFlattenPath"
    ((ptr void) @-> (ptr intptr_t) @-> float @-> returning int32_t)
(* path : GpPath* in/out -> (ptr void) *)
(* matrix : Matrix* in/out -> (ptr intptr_t) *)
(* flatness : FLOAT -> 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 ("GdipFlattenPath" gdip-flatten-path :convention :stdcall) :int32
  (path :pointer)   ; GpPath* in/out
  (matrix :pointer)   ; Matrix* in/out
  (flatness :float))   ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipFlattenPath = Win32::API::More->new('gdiplus',
    'int GdipFlattenPath(LPVOID path, LPVOID matrix, float flatness)');
# my $ret = $GdipFlattenPath->Call($path, $matrix, $flatness);
# path : GpPath* in/out -> LPVOID
# matrix : Matrix* in/out -> LPVOID
# flatness : FLOAT -> float
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。