GdipGetPathGradientFocusScales

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

Status GdipGetPathGradientFocusScales(
    GpPathGradient* brush,
    FLOAT* xScale,
    FLOAT* yScale
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPathGradientFocusScales(
    brush As IntPtr,   ' GpPathGradient* in/out
    ByRef xScale As Single,   ' FLOAT* in/out
    ByRef yScale As Single   ' FLOAT* in/out
) As Integer
End Function

' brush : GpPathGradient* in/out
' xScale : FLOAT* in/out
' yScale : FLOAT* in/out
Declare PtrSafe Function GdipGetPathGradientFocusScales Lib "gdiplus" ( _
    ByVal brush As LongPtr, _
    ByRef xScale As Single, _
    ByRef yScale 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

GdipGetPathGradientFocusScales = ctypes.windll.gdiplus.GdipGetPathGradientFocusScales
GdipGetPathGradientFocusScales.restype = ctypes.c_int
GdipGetPathGradientFocusScales.argtypes = [
    ctypes.c_void_p,  # brush : GpPathGradient* in/out
    ctypes.POINTER(ctypes.c_float),  # xScale : FLOAT* in/out
    ctypes.POINTER(ctypes.c_float),  # yScale : FLOAT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPathGradientFocusScales = Fiddle::Function.new(
  lib['GdipGetPathGradientFocusScales'],
  [
    Fiddle::TYPE_VOIDP,  # brush : GpPathGradient* in/out
    Fiddle::TYPE_VOIDP,  # xScale : FLOAT* in/out
    Fiddle::TYPE_VOIDP,  # yScale : FLOAT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetPathGradientFocusScales(
        brush: *mut GpPathGradient,  // GpPathGradient* in/out
        xScale: *mut f32,  // FLOAT* in/out
        yScale: *mut f32  // FLOAT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetPathGradientFocusScales(IntPtr brush, ref float xScale, ref float yScale);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetPathGradientFocusScales' -Namespace Win32 -PassThru
# $api::GdipGetPathGradientFocusScales(brush, xScale, yScale)

#uselib "gdiplus.dll"
#func global GdipGetPathGradientFocusScales "GdipGetPathGradientFocusScales" sptr, sptr, sptr
; GdipGetPathGradientFocusScales varptr(brush), varptr(xScale), varptr(yScale)   ; 戻り値は stat
; brush : GpPathGradient* in/out -> "sptr"
; xScale : FLOAT* in/out -> "sptr"
; yScale : FLOAT* in/out -> "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 GdipGetPathGradientFocusScales "GdipGetPathGradientFocusScales" var, var, var
; res = GdipGetPathGradientFocusScales(brush, xScale, yScale)
; brush : GpPathGradient* in/out -> "var"
; xScale : FLOAT* in/out -> "var"
; yScale : FLOAT* in/out -> "var"
; ※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 GdipGetPathGradientFocusScales(GpPathGradient* brush, FLOAT* xScale, FLOAT* yScale)
#uselib "gdiplus.dll"
#cfunc global GdipGetPathGradientFocusScales "GdipGetPathGradientFocusScales" var, var, var
; res = GdipGetPathGradientFocusScales(brush, xScale, yScale)
; brush : GpPathGradient* in/out -> "var"
; xScale : FLOAT* in/out -> "var"
; yScale : FLOAT* in/out -> "var"
; ※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")
	procGdipGetPathGradientFocusScales = gdiplus.NewProc("GdipGetPathGradientFocusScales")
)

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

function GdipGetPathGradientFocusScales(
  brush: Pointer;   // GpPathGradient* in/out
  xScale: Pointer;   // FLOAT* in/out
  yScale: Pointer   // FLOAT* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetPathGradientFocusScales';

result := DllCall("gdiplus\GdipGetPathGradientFocusScales"
    , "Ptr", brush   ; GpPathGradient* in/out
    , "Ptr", xScale   ; FLOAT* in/out
    , "Ptr", yScale   ; FLOAT* in/out
    , "Int")   ; return: Status

●GdipGetPathGradientFocusScales(brush, xScale, yScale) = DLL("gdiplus.dll", "int GdipGetPathGradientFocusScales(void*, void*, void*)")
# 呼び出し: GdipGetPathGradientFocusScales(brush, xScale, yScale)
# brush : GpPathGradient* in/out -> "void*"
# xScale : FLOAT* in/out -> "void*"
# yScale : FLOAT* in/out -> "void*"
# 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)。