GdipSetPathGradientGammaCorrection

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

Status GdipSetPathGradientGammaCorrection(
    GpPathGradient* brush,
    BOOL useGammaCorrection
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipSetPathGradientGammaCorrection(
    brush As IntPtr,   ' GpPathGradient* in/out
    useGammaCorrection As Boolean   ' BOOL
) As Integer
End Function

' brush : GpPathGradient* in/out
' useGammaCorrection : BOOL
Declare PtrSafe Function GdipSetPathGradientGammaCorrection Lib "gdiplus" ( _
    ByVal brush As LongPtr, _
    ByVal useGammaCorrection 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

GdipSetPathGradientGammaCorrection = ctypes.windll.gdiplus.GdipSetPathGradientGammaCorrection
GdipSetPathGradientGammaCorrection.restype = ctypes.c_int
GdipSetPathGradientGammaCorrection.argtypes = [
    ctypes.c_void_p,  # brush : GpPathGradient* in/out
    wintypes.BOOL,  # useGammaCorrection : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipSetPathGradientGammaCorrection = Fiddle::Function.new(
  lib['GdipSetPathGradientGammaCorrection'],
  [
    Fiddle::TYPE_VOIDP,  # brush : GpPathGradient* in/out
    Fiddle::TYPE_INT,  # useGammaCorrection : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipSetPathGradientGammaCorrection(
        brush: *mut GpPathGradient,  // GpPathGradient* in/out
        useGammaCorrection: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipSetPathGradientGammaCorrection(IntPtr brush, bool useGammaCorrection);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipSetPathGradientGammaCorrection' -Namespace Win32 -PassThru
# $api::GdipSetPathGradientGammaCorrection(brush, useGammaCorrection)

#uselib "gdiplus.dll"
#func global GdipSetPathGradientGammaCorrection "GdipSetPathGradientGammaCorrection" sptr, sptr
; GdipSetPathGradientGammaCorrection varptr(brush), useGammaCorrection   ; 戻り値は stat
; brush : GpPathGradient* in/out -> "sptr"
; useGammaCorrection : BOOL -> "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 "gdiplus.dll"
#cfunc global GdipSetPathGradientGammaCorrection "GdipSetPathGradientGammaCorrection" var, int
; res = GdipSetPathGradientGammaCorrection(brush, useGammaCorrection)
; brush : GpPathGradient* in/out -> "var"
; useGammaCorrection : BOOL -> "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。

; Status GdipSetPathGradientGammaCorrection(GpPathGradient* brush, BOOL useGammaCorrection)
#uselib "gdiplus.dll"
#cfunc global GdipSetPathGradientGammaCorrection "GdipSetPathGradientGammaCorrection" var, int
; res = GdipSetPathGradientGammaCorrection(brush, useGammaCorrection)
; brush : GpPathGradient* in/out -> "var"
; useGammaCorrection : BOOL -> "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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipSetPathGradientGammaCorrection = gdiplus.NewProc("GdipSetPathGradientGammaCorrection")
)

// brush (GpPathGradient* in/out), useGammaCorrection (BOOL)
r1, _, err := procGdipSetPathGradientGammaCorrection.Call(
	uintptr(brush),
	uintptr(useGammaCorrection),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipSetPathGradientGammaCorrection(
  brush: Pointer;   // GpPathGradient* in/out
  useGammaCorrection: BOOL   // BOOL
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSetPathGradientGammaCorrection';

result := DllCall("gdiplus\GdipSetPathGradientGammaCorrection"
    , "Ptr", brush   ; GpPathGradient* in/out
    , "Int", useGammaCorrection   ; BOOL
    , "Int")   ; return: Status

●GdipSetPathGradientGammaCorrection(brush, useGammaCorrection) = DLL("gdiplus.dll", "int GdipSetPathGradientGammaCorrection(void*, bool)")
# 呼び出し: GdipSetPathGradientGammaCorrection(brush, useGammaCorrection)
# brush : GpPathGradient* in/out -> "void*"
# useGammaCorrection : BOOL -> "bool"
# 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)。