GdipMultiplyMatrix

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

Status GdipMultiplyMatrix(
    Matrix* matrix,
    Matrix* matrix2,
    MatrixOrder order
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipMultiplyMatrix(
    ByRef matrix As IntPtr,   ' Matrix* in/out
    ByRef matrix2 As IntPtr,   ' Matrix* in/out
    order As Integer   ' MatrixOrder
) As Integer
End Function

' matrix : Matrix* in/out
' matrix2 : Matrix* in/out
' order : MatrixOrder
Declare PtrSafe Function GdipMultiplyMatrix Lib "gdiplus" ( _
    ByRef matrix As LongPtr, _
    ByRef matrix2 As LongPtr, _
    ByVal order 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

GdipMultiplyMatrix = ctypes.windll.gdiplus.GdipMultiplyMatrix
GdipMultiplyMatrix.restype = ctypes.c_int
GdipMultiplyMatrix.argtypes = [
    ctypes.c_void_p,  # matrix : Matrix* in/out
    ctypes.c_void_p,  # matrix2 : Matrix* in/out
    ctypes.c_int,  # order : MatrixOrder
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipMultiplyMatrix = Fiddle::Function.new(
  lib['GdipMultiplyMatrix'],
  [
    Fiddle::TYPE_VOIDP,  # matrix : Matrix* in/out
    Fiddle::TYPE_VOIDP,  # matrix2 : Matrix* in/out
    Fiddle::TYPE_INT,  # order : MatrixOrder
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipMultiplyMatrix(
        matrix: *mut isize,  // Matrix* in/out
        matrix2: *mut isize,  // Matrix* in/out
        order: i32  // MatrixOrder
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipMultiplyMatrix(ref IntPtr matrix, ref IntPtr matrix2, int order);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipMultiplyMatrix' -Namespace Win32 -PassThru
# $api::GdipMultiplyMatrix(matrix, matrix2, order)

#uselib "gdiplus.dll"
#func global GdipMultiplyMatrix "GdipMultiplyMatrix" sptr, sptr, sptr
; GdipMultiplyMatrix matrix, matrix2, order   ; 戻り値は stat
; matrix : Matrix* in/out -> "sptr"
; matrix2 : Matrix* in/out -> "sptr"
; order : MatrixOrder -> "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 GdipMultiplyMatrix "GdipMultiplyMatrix" int, int, int
; res = GdipMultiplyMatrix(matrix, matrix2, order)
; matrix : Matrix* in/out -> "int"
; matrix2 : Matrix* in/out -> "int"
; order : MatrixOrder -> "int"

; Status GdipMultiplyMatrix(Matrix* matrix, Matrix* matrix2, MatrixOrder order)
#uselib "gdiplus.dll"
#cfunc global GdipMultiplyMatrix "GdipMultiplyMatrix" int, int, int
; res = GdipMultiplyMatrix(matrix, matrix2, order)
; matrix : Matrix* in/out -> "int"
; matrix2 : Matrix* in/out -> "int"
; order : MatrixOrder -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipMultiplyMatrix = gdiplus.NewProc("GdipMultiplyMatrix")
)

// matrix (Matrix* in/out), matrix2 (Matrix* in/out), order (MatrixOrder)
r1, _, err := procGdipMultiplyMatrix.Call(
	uintptr(matrix),
	uintptr(matrix2),
	uintptr(order),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipMultiplyMatrix(
  matrix: Pointer;   // Matrix* in/out
  matrix2: Pointer;   // Matrix* in/out
  order: Integer   // MatrixOrder
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipMultiplyMatrix';

result := DllCall("gdiplus\GdipMultiplyMatrix"
    , "Ptr", matrix   ; Matrix* in/out
    , "Ptr", matrix2   ; Matrix* in/out
    , "Int", order   ; MatrixOrder
    , "Int")   ; return: Status

●GdipMultiplyMatrix(matrix, matrix2, order) = DLL("gdiplus.dll", "int GdipMultiplyMatrix(void*, void*, int)")
# 呼び出し: GdipMultiplyMatrix(matrix, matrix2, order)
# matrix : Matrix* in/out -> "void*"
# matrix2 : Matrix* in/out -> "void*"
# order : MatrixOrder -> "int"
# 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)。