GdipTranslateRegion

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

Status GdipTranslateRegion(
    GpRegion* region,
    FLOAT dx,
    FLOAT dy
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipTranslateRegion(
    region As IntPtr,   ' GpRegion* in/out
    dx As Single,   ' FLOAT
    dy As Single   ' FLOAT
) As Integer
End Function

' region : GpRegion* in/out
' dx : FLOAT
' dy : FLOAT
Declare PtrSafe Function GdipTranslateRegion Lib "gdiplus" ( _
    ByVal region As LongPtr, _
    ByVal dx As Single, _
    ByVal dy 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

GdipTranslateRegion = ctypes.windll.gdiplus.GdipTranslateRegion
GdipTranslateRegion.restype = ctypes.c_int
GdipTranslateRegion.argtypes = [
    ctypes.c_void_p,  # region : GpRegion* in/out
    ctypes.c_float,  # dx : FLOAT
    ctypes.c_float,  # dy : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipTranslateRegion = Fiddle::Function.new(
  lib['GdipTranslateRegion'],
  [
    Fiddle::TYPE_VOIDP,  # region : GpRegion* in/out
    Fiddle::TYPE_FLOAT,  # dx : FLOAT
    Fiddle::TYPE_FLOAT,  # dy : FLOAT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipTranslateRegion(
        region: *mut GpRegion,  // GpRegion* in/out
        dx: f32,  // FLOAT
        dy: f32  // FLOAT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipTranslateRegion(IntPtr region, float dx, float dy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipTranslateRegion' -Namespace Win32 -PassThru
# $api::GdipTranslateRegion(region, dx, dy)

#uselib "gdiplus.dll"
#func global GdipTranslateRegion "GdipTranslateRegion" sptr, float, float
; GdipTranslateRegion varptr(region), dx, dy   ; 戻り値は stat
; region : GpRegion* in/out -> "sptr"
; dx : FLOAT -> "float"
; dy : FLOAT -> "float"
; ※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 GdipTranslateRegion "GdipTranslateRegion" var, float, float
; res = GdipTranslateRegion(region, dx, dy)
; region : GpRegion* in/out -> "var"
; dx : FLOAT -> "float"
; dy : FLOAT -> "float"
; ※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 GdipTranslateRegion(GpRegion* region, FLOAT dx, FLOAT dy)
#uselib "gdiplus.dll"
#cfunc global GdipTranslateRegion "GdipTranslateRegion" var, float, float
; res = GdipTranslateRegion(region, dx, dy)
; region : GpRegion* in/out -> "var"
; dx : FLOAT -> "float"
; dy : FLOAT -> "float"
; ※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 (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipTranslateRegion = gdiplus.NewProc("GdipTranslateRegion")
)

// region (GpRegion* in/out), dx (FLOAT), dy (FLOAT)
r1, _, err := procGdipTranslateRegion.Call(
	uintptr(region),
	uintptr(math.Float32bits(dx)),
	uintptr(math.Float32bits(dy)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

function GdipTranslateRegion(
  region: Pointer;   // GpRegion* in/out
  dx: Single;   // FLOAT
  dy: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipTranslateRegion';

result := DllCall("gdiplus\GdipTranslateRegion"
    , "Ptr", region   ; GpRegion* in/out
    , "Float", dx   ; FLOAT
    , "Float", dy   ; FLOAT
    , "Int")   ; return: Status

●GdipTranslateRegion(region, dx, dy) = DLL("gdiplus.dll", "int GdipTranslateRegion(void*, float, float)")
# 呼び出し: GdipTranslateRegion(region, dx, dy)
# region : GpRegion* in/out -> "void*"
# dx : FLOAT -> "float"
# dy : FLOAT -> "float"
# 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)。