EngTransparentBlt

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

BOOL EngTransparentBlt(
    SURFOBJ* psoDst,
    SURFOBJ* psoSrc,
    CLIPOBJ* pco,   // optional
    XLATEOBJ* pxlo,   // optional
    RECTL* prclDst,
    RECTL* prclSrc,
    DWORD TransColor,
    DWORD bCalledFromBitBlt
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function EngTransparentBlt(
    psoDst As IntPtr,   ' SURFOBJ*
    psoSrc As IntPtr,   ' SURFOBJ*
    pco As IntPtr,   ' CLIPOBJ* optional
    pxlo As IntPtr,   ' XLATEOBJ* optional
    prclDst As IntPtr,   ' RECTL*
    prclSrc As IntPtr,   ' RECTL*
    TransColor As UInteger,   ' DWORD
    bCalledFromBitBlt As UInteger   ' DWORD
) As Boolean
End Function

' psoDst : SURFOBJ*
' psoSrc : SURFOBJ*
' pco : CLIPOBJ* optional
' pxlo : XLATEOBJ* optional
' prclDst : RECTL*
' prclSrc : RECTL*
' TransColor : DWORD
' bCalledFromBitBlt : DWORD
Declare PtrSafe Function EngTransparentBlt Lib "gdi32" ( _
    ByVal psoDst As LongPtr, _
    ByVal psoSrc As LongPtr, _
    ByVal pco As LongPtr, _
    ByVal pxlo As LongPtr, _
    ByVal prclDst As LongPtr, _
    ByVal prclSrc As LongPtr, _
    ByVal TransColor As Long, _
    ByVal bCalledFromBitBlt 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

EngTransparentBlt = ctypes.windll.gdi32.EngTransparentBlt
EngTransparentBlt.restype = wintypes.BOOL
EngTransparentBlt.argtypes = [
    ctypes.c_void_p,  # psoDst : SURFOBJ*
    ctypes.c_void_p,  # psoSrc : SURFOBJ*
    ctypes.c_void_p,  # pco : CLIPOBJ* optional
    ctypes.c_void_p,  # pxlo : XLATEOBJ* optional
    ctypes.c_void_p,  # prclDst : RECTL*
    ctypes.c_void_p,  # prclSrc : RECTL*
    wintypes.DWORD,  # TransColor : DWORD
    wintypes.DWORD,  # bCalledFromBitBlt : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngTransparentBlt = Fiddle::Function.new(
  lib['EngTransparentBlt'],
  [
    Fiddle::TYPE_VOIDP,  # psoDst : SURFOBJ*
    Fiddle::TYPE_VOIDP,  # psoSrc : SURFOBJ*
    Fiddle::TYPE_VOIDP,  # pco : CLIPOBJ* optional
    Fiddle::TYPE_VOIDP,  # pxlo : XLATEOBJ* optional
    Fiddle::TYPE_VOIDP,  # prclDst : RECTL*
    Fiddle::TYPE_VOIDP,  # prclSrc : RECTL*
    -Fiddle::TYPE_INT,  # TransColor : DWORD
    -Fiddle::TYPE_INT,  # bCalledFromBitBlt : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn EngTransparentBlt(
        psoDst: *mut SURFOBJ,  // SURFOBJ*
        psoSrc: *mut SURFOBJ,  // SURFOBJ*
        pco: *mut CLIPOBJ,  // CLIPOBJ* optional
        pxlo: *mut XLATEOBJ,  // XLATEOBJ* optional
        prclDst: *mut RECTL,  // RECTL*
        prclSrc: *mut RECTL,  // RECTL*
        TransColor: u32,  // DWORD
        bCalledFromBitBlt: 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 EngTransparentBlt(IntPtr psoDst, IntPtr psoSrc, IntPtr pco, IntPtr pxlo, IntPtr prclDst, IntPtr prclSrc, uint TransColor, uint bCalledFromBitBlt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngTransparentBlt' -Namespace Win32 -PassThru
# $api::EngTransparentBlt(psoDst, psoSrc, pco, pxlo, prclDst, prclSrc, TransColor, bCalledFromBitBlt)

#uselib "GDI32.dll"
#func global EngTransparentBlt "EngTransparentBlt" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; EngTransparentBlt varptr(psoDst), varptr(psoSrc), varptr(pco), varptr(pxlo), varptr(prclDst), varptr(prclSrc), TransColor, bCalledFromBitBlt   ; 戻り値は stat
; psoDst : SURFOBJ* -> "sptr"
; psoSrc : SURFOBJ* -> "sptr"
; pco : CLIPOBJ* optional -> "sptr"
; pxlo : XLATEOBJ* optional -> "sptr"
; prclDst : RECTL* -> "sptr"
; prclSrc : RECTL* -> "sptr"
; TransColor : DWORD -> "sptr"
; bCalledFromBitBlt : 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 EngTransparentBlt "EngTransparentBlt" var, var, var, var, var, var, int, int
; res = EngTransparentBlt(psoDst, psoSrc, pco, pxlo, prclDst, prclSrc, TransColor, bCalledFromBitBlt)
; psoDst : SURFOBJ* -> "var"
; psoSrc : SURFOBJ* -> "var"
; pco : CLIPOBJ* optional -> "var"
; pxlo : XLATEOBJ* optional -> "var"
; prclDst : RECTL* -> "var"
; prclSrc : RECTL* -> "var"
; TransColor : DWORD -> "int"
; bCalledFromBitBlt : 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 EngTransparentBlt(SURFOBJ* psoDst, SURFOBJ* psoSrc, CLIPOBJ* pco, XLATEOBJ* pxlo, RECTL* prclDst, RECTL* prclSrc, DWORD TransColor, DWORD bCalledFromBitBlt)
#uselib "GDI32.dll"
#cfunc global EngTransparentBlt "EngTransparentBlt" var, var, var, var, var, var, int, int
; res = EngTransparentBlt(psoDst, psoSrc, pco, pxlo, prclDst, prclSrc, TransColor, bCalledFromBitBlt)
; psoDst : SURFOBJ* -> "var"
; psoSrc : SURFOBJ* -> "var"
; pco : CLIPOBJ* optional -> "var"
; pxlo : XLATEOBJ* optional -> "var"
; prclDst : RECTL* -> "var"
; prclSrc : RECTL* -> "var"
; TransColor : DWORD -> "int"
; bCalledFromBitBlt : 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")
	procEngTransparentBlt = gdi32.NewProc("EngTransparentBlt")
)

// psoDst (SURFOBJ*), psoSrc (SURFOBJ*), pco (CLIPOBJ* optional), pxlo (XLATEOBJ* optional), prclDst (RECTL*), prclSrc (RECTL*), TransColor (DWORD), bCalledFromBitBlt (DWORD)
r1, _, err := procEngTransparentBlt.Call(
	uintptr(psoDst),
	uintptr(psoSrc),
	uintptr(pco),
	uintptr(pxlo),
	uintptr(prclDst),
	uintptr(prclSrc),
	uintptr(TransColor),
	uintptr(bCalledFromBitBlt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EngTransparentBlt(
  psoDst: Pointer;   // SURFOBJ*
  psoSrc: Pointer;   // SURFOBJ*
  pco: Pointer;   // CLIPOBJ* optional
  pxlo: Pointer;   // XLATEOBJ* optional
  prclDst: Pointer;   // RECTL*
  prclSrc: Pointer;   // RECTL*
  TransColor: DWORD;   // DWORD
  bCalledFromBitBlt: DWORD   // DWORD
): BOOL; stdcall;
  external 'GDI32.dll' name 'EngTransparentBlt';

result := DllCall("GDI32\EngTransparentBlt"
    , "Ptr", psoDst   ; SURFOBJ*
    , "Ptr", psoSrc   ; SURFOBJ*
    , "Ptr", pco   ; CLIPOBJ* optional
    , "Ptr", pxlo   ; XLATEOBJ* optional
    , "Ptr", prclDst   ; RECTL*
    , "Ptr", prclSrc   ; RECTL*
    , "UInt", TransColor   ; DWORD
    , "UInt", bCalledFromBitBlt   ; DWORD
    , "Int")   ; return: BOOL

●EngTransparentBlt(psoDst, psoSrc, pco, pxlo, prclDst, prclSrc, TransColor, bCalledFromBitBlt) = DLL("GDI32.dll", "bool EngTransparentBlt(void*, void*, void*, void*, void*, void*, dword, dword)")
# 呼び出し: EngTransparentBlt(psoDst, psoSrc, pco, pxlo, prclDst, prclSrc, TransColor, bCalledFromBitBlt)
# psoDst : SURFOBJ* -> "void*"
# psoSrc : SURFOBJ* -> "void*"
# pco : CLIPOBJ* optional -> "void*"
# pxlo : XLATEOBJ* optional -> "void*"
# prclDst : RECTL* -> "void*"
# prclSrc : RECTL* -> "void*"
# TransColor : DWORD -> "dword"
# bCalledFromBitBlt : 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)。