EngPaint

// GDI32.dll
#include <windows.h>

BOOL EngPaint(
    SURFOBJ* pso,
    CLIPOBJ* pco,
    BRUSHOBJ* pbo,
    POINTL* pptlBrushOrg,
    DWORD mix
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function EngPaint(
    pso As IntPtr,   ' SURFOBJ* in/out
    pco As IntPtr,   ' CLIPOBJ* in/out
    pbo As IntPtr,   ' BRUSHOBJ* in/out
    pptlBrushOrg As IntPtr,   ' POINTL* in/out
    mix As UInteger   ' DWORD
) As Boolean
End Function

' pso : SURFOBJ* in/out
' pco : CLIPOBJ* in/out
' pbo : BRUSHOBJ* in/out
' pptlBrushOrg : POINTL* in/out
' mix : DWORD
Declare PtrSafe Function EngPaint Lib "gdi32" ( _
    ByVal pso As LongPtr, _
    ByVal pco As LongPtr, _
    ByVal pbo As LongPtr, _
    ByVal pptlBrushOrg As LongPtr, _
    ByVal mix 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

EngPaint = ctypes.windll.gdi32.EngPaint
EngPaint.restype = wintypes.BOOL
EngPaint.argtypes = [
    ctypes.c_void_p,  # pso : SURFOBJ* in/out
    ctypes.c_void_p,  # pco : CLIPOBJ* in/out
    ctypes.c_void_p,  # pbo : BRUSHOBJ* in/out
    ctypes.c_void_p,  # pptlBrushOrg : POINTL* in/out
    wintypes.DWORD,  # mix : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngPaint = Fiddle::Function.new(
  lib['EngPaint'],
  [
    Fiddle::TYPE_VOIDP,  # pso : SURFOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pco : CLIPOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pbo : BRUSHOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pptlBrushOrg : POINTL* in/out
    -Fiddle::TYPE_INT,  # mix : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn EngPaint(
        pso: *mut SURFOBJ,  // SURFOBJ* in/out
        pco: *mut CLIPOBJ,  // CLIPOBJ* in/out
        pbo: *mut BRUSHOBJ,  // BRUSHOBJ* in/out
        pptlBrushOrg: *mut POINTL,  // POINTL* in/out
        mix: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool EngPaint(IntPtr pso, IntPtr pco, IntPtr pbo, IntPtr pptlBrushOrg, uint mix);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngPaint' -Namespace Win32 -PassThru
# $api::EngPaint(pso, pco, pbo, pptlBrushOrg, mix)

#uselib "GDI32.dll"
#func global EngPaint "EngPaint" sptr, sptr, sptr, sptr, sptr
; EngPaint varptr(pso), varptr(pco), varptr(pbo), varptr(pptlBrushOrg), mix   ; 戻り値は stat
; pso : SURFOBJ* in/out -> "sptr"
; pco : CLIPOBJ* in/out -> "sptr"
; pbo : BRUSHOBJ* in/out -> "sptr"
; pptlBrushOrg : POINTL* in/out -> "sptr"
; mix : DWORD -> "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。

#uselib "GDI32.dll"
#cfunc global EngPaint "EngPaint" var, var, var, var, int
; res = EngPaint(pso, pco, pbo, pptlBrushOrg, mix)
; pso : SURFOBJ* in/out -> "var"
; pco : CLIPOBJ* in/out -> "var"
; pbo : BRUSHOBJ* in/out -> "var"
; pptlBrushOrg : POINTL* in/out -> "var"
; mix : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL EngPaint(SURFOBJ* pso, CLIPOBJ* pco, BRUSHOBJ* pbo, POINTL* pptlBrushOrg, DWORD mix)
#uselib "GDI32.dll"
#cfunc global EngPaint "EngPaint" var, var, var, var, int
; res = EngPaint(pso, pco, pbo, pptlBrushOrg, mix)
; pso : SURFOBJ* in/out -> "var"
; pco : CLIPOBJ* in/out -> "var"
; pbo : BRUSHOBJ* in/out -> "var"
; pptlBrushOrg : POINTL* in/out -> "var"
; mix : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procEngPaint = gdi32.NewProc("EngPaint")
)

// pso (SURFOBJ* in/out), pco (CLIPOBJ* in/out), pbo (BRUSHOBJ* in/out), pptlBrushOrg (POINTL* in/out), mix (DWORD)
r1, _, err := procEngPaint.Call(
	uintptr(pso),
	uintptr(pco),
	uintptr(pbo),
	uintptr(pptlBrushOrg),
	uintptr(mix),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EngPaint(
  pso: Pointer;   // SURFOBJ* in/out
  pco: Pointer;   // CLIPOBJ* in/out
  pbo: Pointer;   // BRUSHOBJ* in/out
  pptlBrushOrg: Pointer;   // POINTL* in/out
  mix: DWORD   // DWORD
): BOOL; stdcall;
  external 'GDI32.dll' name 'EngPaint';

result := DllCall("GDI32\EngPaint"
    , "Ptr", pso   ; SURFOBJ* in/out
    , "Ptr", pco   ; CLIPOBJ* in/out
    , "Ptr", pbo   ; BRUSHOBJ* in/out
    , "Ptr", pptlBrushOrg   ; POINTL* in/out
    , "UInt", mix   ; DWORD
    , "Int")   ; return: BOOL

●EngPaint(pso, pco, pbo, pptlBrushOrg, mix) = DLL("GDI32.dll", "bool EngPaint(void*, void*, void*, void*, dword)")
# 呼び出し: EngPaint(pso, pco, pbo, pptlBrushOrg, mix)
# pso : SURFOBJ* in/out -> "void*"
# pco : CLIPOBJ* in/out -> "void*"
# pbo : BRUSHOBJ* in/out -> "void*"
# pptlBrushOrg : POINTL* in/out -> "void*"
# mix : DWORD -> "dword"
# 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)。