GdipSetMatrixElements

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

Status GdipSetMatrixElements(
    Matrix* matrix,
    FLOAT m11,
    FLOAT m12,
    FLOAT m21,
    FLOAT m22,
    FLOAT dx,
    FLOAT dy
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipSetMatrixElements(
    ByRef matrix As IntPtr,   ' Matrix* in/out
    m11 As Single,   ' FLOAT
    m12 As Single,   ' FLOAT
    m21 As Single,   ' FLOAT
    m22 As Single,   ' FLOAT
    dx As Single,   ' FLOAT
    dy As Single   ' FLOAT
) As Integer
End Function

' matrix : Matrix* in/out
' m11 : FLOAT
' m12 : FLOAT
' m21 : FLOAT
' m22 : FLOAT
' dx : FLOAT
' dy : FLOAT
Declare PtrSafe Function GdipSetMatrixElements Lib "gdiplus" ( _
    ByRef matrix As LongPtr, _
    ByVal m11 As Single, _
    ByVal m12 As Single, _
    ByVal m21 As Single, _
    ByVal m22 As Single, _
    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

GdipSetMatrixElements = ctypes.windll.gdiplus.GdipSetMatrixElements
GdipSetMatrixElements.restype = ctypes.c_int
GdipSetMatrixElements.argtypes = [
    ctypes.c_void_p,  # matrix : Matrix* in/out
    ctypes.c_float,  # m11 : FLOAT
    ctypes.c_float,  # m12 : FLOAT
    ctypes.c_float,  # m21 : FLOAT
    ctypes.c_float,  # m22 : FLOAT
    ctypes.c_float,  # dx : FLOAT
    ctypes.c_float,  # dy : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipSetMatrixElements = Fiddle::Function.new(
  lib['GdipSetMatrixElements'],
  [
    Fiddle::TYPE_VOIDP,  # matrix : Matrix* in/out
    Fiddle::TYPE_FLOAT,  # m11 : FLOAT
    Fiddle::TYPE_FLOAT,  # m12 : FLOAT
    Fiddle::TYPE_FLOAT,  # m21 : FLOAT
    Fiddle::TYPE_FLOAT,  # m22 : FLOAT
    Fiddle::TYPE_FLOAT,  # dx : FLOAT
    Fiddle::TYPE_FLOAT,  # dy : FLOAT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipSetMatrixElements(
        matrix: *mut isize,  // Matrix* in/out
        m11: f32,  // FLOAT
        m12: f32,  // FLOAT
        m21: f32,  // FLOAT
        m22: f32,  // FLOAT
        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 GdipSetMatrixElements(ref IntPtr matrix, float m11, float m12, float m21, float m22, float dx, float dy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipSetMatrixElements' -Namespace Win32 -PassThru
# $api::GdipSetMatrixElements(matrix, m11, m12, m21, m22, dx, dy)

#uselib "gdiplus.dll"
#func global GdipSetMatrixElements "GdipSetMatrixElements" sptr, float, float, float, float, float, float
; GdipSetMatrixElements matrix, m11, m12, m21, m22, dx, dy   ; 戻り値は stat
; matrix : Matrix* in/out -> "sptr"
; m11 : FLOAT -> "float"
; m12 : FLOAT -> "float"
; m21 : FLOAT -> "float"
; m22 : FLOAT -> "float"
; 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 GdipSetMatrixElements "GdipSetMatrixElements" int, float, float, float, float, float, float
; res = GdipSetMatrixElements(matrix, m11, m12, m21, m22, dx, dy)
; matrix : Matrix* in/out -> "int"
; m11 : FLOAT -> "float"
; m12 : FLOAT -> "float"
; m21 : FLOAT -> "float"
; m22 : FLOAT -> "float"
; dx : FLOAT -> "float"
; dy : FLOAT -> "float"

; Status GdipSetMatrixElements(Matrix* matrix, FLOAT m11, FLOAT m12, FLOAT m21, FLOAT m22, FLOAT dx, FLOAT dy)
#uselib "gdiplus.dll"
#cfunc global GdipSetMatrixElements "GdipSetMatrixElements" int, float, float, float, float, float, float
; res = GdipSetMatrixElements(matrix, m11, m12, m21, m22, dx, dy)
; matrix : Matrix* in/out -> "int"
; m11 : FLOAT -> "float"
; m12 : FLOAT -> "float"
; m21 : FLOAT -> "float"
; m22 : FLOAT -> "float"
; dx : FLOAT -> "float"
; dy : FLOAT -> "float"

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipSetMatrixElements = gdiplus.NewProc("GdipSetMatrixElements")
)

// matrix (Matrix* in/out), m11 (FLOAT), m12 (FLOAT), m21 (FLOAT), m22 (FLOAT), dx (FLOAT), dy (FLOAT)
r1, _, err := procGdipSetMatrixElements.Call(
	uintptr(matrix),
	uintptr(math.Float32bits(m11)),
	uintptr(math.Float32bits(m12)),
	uintptr(math.Float32bits(m21)),
	uintptr(math.Float32bits(m22)),
	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 GdipSetMatrixElements(
  matrix: Pointer;   // Matrix* in/out
  m11: Single;   // FLOAT
  m12: Single;   // FLOAT
  m21: Single;   // FLOAT
  m22: Single;   // FLOAT
  dx: Single;   // FLOAT
  dy: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSetMatrixElements';

result := DllCall("gdiplus\GdipSetMatrixElements"
    , "Ptr", matrix   ; Matrix* in/out
    , "Float", m11   ; FLOAT
    , "Float", m12   ; FLOAT
    , "Float", m21   ; FLOAT
    , "Float", m22   ; FLOAT
    , "Float", dx   ; FLOAT
    , "Float", dy   ; FLOAT
    , "Int")   ; return: Status

●GdipSetMatrixElements(matrix, m11, m12, m21, m22, dx, dy) = DLL("gdiplus.dll", "int GdipSetMatrixElements(void*, float, float, float, float, float, float)")
# 呼び出し: GdipSetMatrixElements(matrix, m11, m12, m21, m22, dx, dy)
# matrix : Matrix* in/out -> "void*"
# m11 : FLOAT -> "float"
# m12 : FLOAT -> "float"
# m21 : FLOAT -> "float"
# m22 : FLOAT -> "float"
# 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)。