GdipGetMatrixElements

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

Status GdipGetMatrixElements(
    const Matrix* matrix,
    FLOAT* matrixOut
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetMatrixElements(
    ByRef matrix As IntPtr,   ' Matrix*
    ByRef matrixOut As Single   ' FLOAT* in/out
) As Integer
End Function

' matrix : Matrix*
' matrixOut : FLOAT* in/out
Declare PtrSafe Function GdipGetMatrixElements Lib "gdiplus" ( _
    ByRef matrix As LongPtr, _
    ByRef matrixOut 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

GdipGetMatrixElements = ctypes.windll.gdiplus.GdipGetMatrixElements
GdipGetMatrixElements.restype = ctypes.c_int
GdipGetMatrixElements.argtypes = [
    ctypes.c_void_p,  # matrix : Matrix*
    ctypes.POINTER(ctypes.c_float),  # matrixOut : FLOAT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetMatrixElements = Fiddle::Function.new(
  lib['GdipGetMatrixElements'],
  [
    Fiddle::TYPE_VOIDP,  # matrix : Matrix*
    Fiddle::TYPE_VOIDP,  # matrixOut : FLOAT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetMatrixElements(
        matrix: *const isize,  // Matrix*
        matrixOut: *mut f32  // FLOAT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetMatrixElements(ref IntPtr matrix, ref float matrixOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetMatrixElements' -Namespace Win32 -PassThru
# $api::GdipGetMatrixElements(matrix, matrixOut)

#uselib "gdiplus.dll"
#func global GdipGetMatrixElements "GdipGetMatrixElements" sptr, sptr
; GdipGetMatrixElements matrix, varptr(matrixOut)   ; 戻り値は stat
; matrix : Matrix* -> "sptr"
; matrixOut : 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 GdipGetMatrixElements "GdipGetMatrixElements" int, var
; res = GdipGetMatrixElements(matrix, matrixOut)
; matrix : Matrix* -> "int"
; matrixOut : 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 GdipGetMatrixElements(Matrix* matrix, FLOAT* matrixOut)
#uselib "gdiplus.dll"
#cfunc global GdipGetMatrixElements "GdipGetMatrixElements" int, var
; res = GdipGetMatrixElements(matrix, matrixOut)
; matrix : Matrix* -> "int"
; matrixOut : 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")
	procGdipGetMatrixElements = gdiplus.NewProc("GdipGetMatrixElements")
)

// matrix (Matrix*), matrixOut (FLOAT* in/out)
r1, _, err := procGdipGetMatrixElements.Call(
	uintptr(matrix),
	uintptr(matrixOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetMatrixElements(
  matrix: Pointer;   // Matrix*
  matrixOut: Pointer   // FLOAT* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetMatrixElements';

result := DllCall("gdiplus\GdipGetMatrixElements"
    , "Ptr", matrix   ; Matrix*
    , "Ptr", matrixOut   ; FLOAT* in/out
    , "Int")   ; return: Status

●GdipGetMatrixElements(matrix, matrixOut) = DLL("gdiplus.dll", "int GdipGetMatrixElements(void*, void*)")
# 呼び出し: GdipGetMatrixElements(matrix, matrixOut)
# matrix : Matrix* -> "void*"
# matrixOut : 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)。