EngGradientFill

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

BOOL EngGradientFill(
    SURFOBJ* psoDest,
    CLIPOBJ* pco,
    XLATEOBJ* pxlo,
    TRIVERTEX* pVertex,
    DWORD nVertex,
    void* pMesh,
    DWORD nMesh,
    RECTL* prclExtents,
    POINTL* pptlDitherOrg,
    DWORD ulMode
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function EngGradientFill(
    psoDest As IntPtr,   ' SURFOBJ* in/out
    pco As IntPtr,   ' CLIPOBJ* in/out
    pxlo As IntPtr,   ' XLATEOBJ* in/out
    pVertex As IntPtr,   ' TRIVERTEX* in/out
    nVertex As UInteger,   ' DWORD
    pMesh As IntPtr,   ' void* in/out
    nMesh As UInteger,   ' DWORD
    prclExtents As IntPtr,   ' RECTL* in/out
    pptlDitherOrg As IntPtr,   ' POINTL* in/out
    ulMode As UInteger   ' DWORD
) As Boolean
End Function

' psoDest : SURFOBJ* in/out
' pco : CLIPOBJ* in/out
' pxlo : XLATEOBJ* in/out
' pVertex : TRIVERTEX* in/out
' nVertex : DWORD
' pMesh : void* in/out
' nMesh : DWORD
' prclExtents : RECTL* in/out
' pptlDitherOrg : POINTL* in/out
' ulMode : DWORD
Declare PtrSafe Function EngGradientFill Lib "gdi32" ( _
    ByVal psoDest As LongPtr, _
    ByVal pco As LongPtr, _
    ByVal pxlo As LongPtr, _
    ByVal pVertex As LongPtr, _
    ByVal nVertex As Long, _
    ByVal pMesh As LongPtr, _
    ByVal nMesh As Long, _
    ByVal prclExtents As LongPtr, _
    ByVal pptlDitherOrg As LongPtr, _
    ByVal ulMode 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

EngGradientFill = ctypes.windll.gdi32.EngGradientFill
EngGradientFill.restype = wintypes.BOOL
EngGradientFill.argtypes = [
    ctypes.c_void_p,  # psoDest : SURFOBJ* in/out
    ctypes.c_void_p,  # pco : CLIPOBJ* in/out
    ctypes.c_void_p,  # pxlo : XLATEOBJ* in/out
    ctypes.c_void_p,  # pVertex : TRIVERTEX* in/out
    wintypes.DWORD,  # nVertex : DWORD
    ctypes.POINTER(None),  # pMesh : void* in/out
    wintypes.DWORD,  # nMesh : DWORD
    ctypes.c_void_p,  # prclExtents : RECTL* in/out
    ctypes.c_void_p,  # pptlDitherOrg : POINTL* in/out
    wintypes.DWORD,  # ulMode : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngGradientFill = Fiddle::Function.new(
  lib['EngGradientFill'],
  [
    Fiddle::TYPE_VOIDP,  # psoDest : SURFOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pco : CLIPOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pxlo : XLATEOBJ* in/out
    Fiddle::TYPE_VOIDP,  # pVertex : TRIVERTEX* in/out
    -Fiddle::TYPE_INT,  # nVertex : DWORD
    Fiddle::TYPE_VOIDP,  # pMesh : void* in/out
    -Fiddle::TYPE_INT,  # nMesh : DWORD
    Fiddle::TYPE_VOIDP,  # prclExtents : RECTL* in/out
    Fiddle::TYPE_VOIDP,  # pptlDitherOrg : POINTL* in/out
    -Fiddle::TYPE_INT,  # ulMode : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn EngGradientFill(
        psoDest: *mut SURFOBJ,  // SURFOBJ* in/out
        pco: *mut CLIPOBJ,  // CLIPOBJ* in/out
        pxlo: *mut XLATEOBJ,  // XLATEOBJ* in/out
        pVertex: *mut TRIVERTEX,  // TRIVERTEX* in/out
        nVertex: u32,  // DWORD
        pMesh: *mut (),  // void* in/out
        nMesh: u32,  // DWORD
        prclExtents: *mut RECTL,  // RECTL* in/out
        pptlDitherOrg: *mut POINTL,  // POINTL* in/out
        ulMode: 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 EngGradientFill(IntPtr psoDest, IntPtr pco, IntPtr pxlo, IntPtr pVertex, uint nVertex, IntPtr pMesh, uint nMesh, IntPtr prclExtents, IntPtr pptlDitherOrg, uint ulMode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngGradientFill' -Namespace Win32 -PassThru
# $api::EngGradientFill(psoDest, pco, pxlo, pVertex, nVertex, pMesh, nMesh, prclExtents, pptlDitherOrg, ulMode)

#uselib "GDI32.dll"
#func global EngGradientFill "EngGradientFill" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; EngGradientFill varptr(psoDest), varptr(pco), varptr(pxlo), varptr(pVertex), nVertex, pMesh, nMesh, varptr(prclExtents), varptr(pptlDitherOrg), ulMode   ; 戻り値は stat
; psoDest : SURFOBJ* in/out -> "sptr"
; pco : CLIPOBJ* in/out -> "sptr"
; pxlo : XLATEOBJ* in/out -> "sptr"
; pVertex : TRIVERTEX* in/out -> "sptr"
; nVertex : DWORD -> "sptr"
; pMesh : void* in/out -> "sptr"
; nMesh : DWORD -> "sptr"
; prclExtents : RECTL* in/out -> "sptr"
; pptlDitherOrg : POINTL* in/out -> "sptr"
; ulMode : 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 EngGradientFill "EngGradientFill" var, var, var, var, int, sptr, int, var, var, int
; res = EngGradientFill(psoDest, pco, pxlo, pVertex, nVertex, pMesh, nMesh, prclExtents, pptlDitherOrg, ulMode)
; psoDest : SURFOBJ* in/out -> "var"
; pco : CLIPOBJ* in/out -> "var"
; pxlo : XLATEOBJ* in/out -> "var"
; pVertex : TRIVERTEX* in/out -> "var"
; nVertex : DWORD -> "int"
; pMesh : void* in/out -> "sptr"
; nMesh : DWORD -> "int"
; prclExtents : RECTL* in/out -> "var"
; pptlDitherOrg : POINTL* in/out -> "var"
; ulMode : 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 EngGradientFill(SURFOBJ* psoDest, CLIPOBJ* pco, XLATEOBJ* pxlo, TRIVERTEX* pVertex, DWORD nVertex, void* pMesh, DWORD nMesh, RECTL* prclExtents, POINTL* pptlDitherOrg, DWORD ulMode)
#uselib "GDI32.dll"
#cfunc global EngGradientFill "EngGradientFill" var, var, var, var, int, intptr, int, var, var, int
; res = EngGradientFill(psoDest, pco, pxlo, pVertex, nVertex, pMesh, nMesh, prclExtents, pptlDitherOrg, ulMode)
; psoDest : SURFOBJ* in/out -> "var"
; pco : CLIPOBJ* in/out -> "var"
; pxlo : XLATEOBJ* in/out -> "var"
; pVertex : TRIVERTEX* in/out -> "var"
; nVertex : DWORD -> "int"
; pMesh : void* in/out -> "intptr"
; nMesh : DWORD -> "int"
; prclExtents : RECTL* in/out -> "var"
; pptlDitherOrg : POINTL* in/out -> "var"
; ulMode : 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")
	procEngGradientFill = gdi32.NewProc("EngGradientFill")
)

// psoDest (SURFOBJ* in/out), pco (CLIPOBJ* in/out), pxlo (XLATEOBJ* in/out), pVertex (TRIVERTEX* in/out), nVertex (DWORD), pMesh (void* in/out), nMesh (DWORD), prclExtents (RECTL* in/out), pptlDitherOrg (POINTL* in/out), ulMode (DWORD)
r1, _, err := procEngGradientFill.Call(
	uintptr(psoDest),
	uintptr(pco),
	uintptr(pxlo),
	uintptr(pVertex),
	uintptr(nVertex),
	uintptr(pMesh),
	uintptr(nMesh),
	uintptr(prclExtents),
	uintptr(pptlDitherOrg),
	uintptr(ulMode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EngGradientFill(
  psoDest: Pointer;   // SURFOBJ* in/out
  pco: Pointer;   // CLIPOBJ* in/out
  pxlo: Pointer;   // XLATEOBJ* in/out
  pVertex: Pointer;   // TRIVERTEX* in/out
  nVertex: DWORD;   // DWORD
  pMesh: Pointer;   // void* in/out
  nMesh: DWORD;   // DWORD
  prclExtents: Pointer;   // RECTL* in/out
  pptlDitherOrg: Pointer;   // POINTL* in/out
  ulMode: DWORD   // DWORD
): BOOL; stdcall;
  external 'GDI32.dll' name 'EngGradientFill';

result := DllCall("GDI32\EngGradientFill"
    , "Ptr", psoDest   ; SURFOBJ* in/out
    , "Ptr", pco   ; CLIPOBJ* in/out
    , "Ptr", pxlo   ; XLATEOBJ* in/out
    , "Ptr", pVertex   ; TRIVERTEX* in/out
    , "UInt", nVertex   ; DWORD
    , "Ptr", pMesh   ; void* in/out
    , "UInt", nMesh   ; DWORD
    , "Ptr", prclExtents   ; RECTL* in/out
    , "Ptr", pptlDitherOrg   ; POINTL* in/out
    , "UInt", ulMode   ; DWORD
    , "Int")   ; return: BOOL

●EngGradientFill(psoDest, pco, pxlo, pVertex, nVertex, pMesh, nMesh, prclExtents, pptlDitherOrg, ulMode) = DLL("GDI32.dll", "bool EngGradientFill(void*, void*, void*, void*, dword, void*, dword, void*, void*, dword)")
# 呼び出し: EngGradientFill(psoDest, pco, pxlo, pVertex, nVertex, pMesh, nMesh, prclExtents, pptlDitherOrg, ulMode)
# psoDest : SURFOBJ* in/out -> "void*"
# pco : CLIPOBJ* in/out -> "void*"
# pxlo : XLATEOBJ* in/out -> "void*"
# pVertex : TRIVERTEX* in/out -> "void*"
# nVertex : DWORD -> "dword"
# pMesh : void* in/out -> "void*"
# nMesh : DWORD -> "dword"
# prclExtents : RECTL* in/out -> "void*"
# pptlDitherOrg : POINTL* in/out -> "void*"
# ulMode : 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)。