gluScaleImage

// GLU32.dll
#include <windows.h>

INT gluScaleImage(
    DWORD format,
    INT widthin,
    INT heightin,
    DWORD typein,
    const void* datain,
    INT widthout,
    INT heightout,
    DWORD typeout,
    void* dataout
);

<DllImport("GLU32.dll", ExactSpelling:=True)>
Public Shared Function gluScaleImage(
    format As UInteger,   ' DWORD
    widthin As Integer,   ' INT
    heightin As Integer,   ' INT
    typein As UInteger,   ' DWORD
    datain As IntPtr,   ' void*
    widthout As Integer,   ' INT
    heightout As Integer,   ' INT
    typeout As UInteger,   ' DWORD
    dataout As IntPtr   ' void* in/out
) As Integer
End Function

' format : DWORD
' widthin : INT
' heightin : INT
' typein : DWORD
' datain : void*
' widthout : INT
' heightout : INT
' typeout : DWORD
' dataout : void* in/out
Declare PtrSafe Function gluScaleImage Lib "glu32" ( _
    ByVal format As Long, _
    ByVal widthin As Long, _
    ByVal heightin As Long, _
    ByVal typein As Long, _
    ByVal datain As LongPtr, _
    ByVal widthout As Long, _
    ByVal heightout As Long, _
    ByVal typeout As Long, _
    ByVal dataout As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

gluScaleImage = ctypes.windll.glu32.gluScaleImage
gluScaleImage.restype = ctypes.c_int
gluScaleImage.argtypes = [
    wintypes.DWORD,  # format : DWORD
    ctypes.c_int,  # widthin : INT
    ctypes.c_int,  # heightin : INT
    wintypes.DWORD,  # typein : DWORD
    ctypes.POINTER(None),  # datain : void*
    ctypes.c_int,  # widthout : INT
    ctypes.c_int,  # heightout : INT
    wintypes.DWORD,  # typeout : DWORD
    ctypes.POINTER(None),  # dataout : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GLU32.dll')
gluScaleImage = Fiddle::Function.new(
  lib['gluScaleImage'],
  [
    -Fiddle::TYPE_INT,  # format : DWORD
    Fiddle::TYPE_INT,  # widthin : INT
    Fiddle::TYPE_INT,  # heightin : INT
    -Fiddle::TYPE_INT,  # typein : DWORD
    Fiddle::TYPE_VOIDP,  # datain : void*
    Fiddle::TYPE_INT,  # widthout : INT
    Fiddle::TYPE_INT,  # heightout : INT
    -Fiddle::TYPE_INT,  # typeout : DWORD
    Fiddle::TYPE_VOIDP,  # dataout : void* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "glu32")]
extern "system" {
    fn gluScaleImage(
        format: u32,  // DWORD
        widthin: i32,  // INT
        heightin: i32,  // INT
        typein: u32,  // DWORD
        datain: *const (),  // void*
        widthout: i32,  // INT
        heightout: i32,  // INT
        typeout: u32,  // DWORD
        dataout: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GLU32.dll")]
public static extern int gluScaleImage(uint format, int widthin, int heightin, uint typein, IntPtr datain, int widthout, int heightout, uint typeout, IntPtr dataout);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GLU32_gluScaleImage' -Namespace Win32 -PassThru
# $api::gluScaleImage(format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout)

#uselib "GLU32.dll"
#func global gluScaleImage "gluScaleImage" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; gluScaleImage format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout   ; 戻り値は stat
; format : DWORD -> "sptr"
; widthin : INT -> "sptr"
; heightin : INT -> "sptr"
; typein : DWORD -> "sptr"
; datain : void* -> "sptr"
; widthout : INT -> "sptr"
; heightout : INT -> "sptr"
; typeout : DWORD -> "sptr"
; dataout : void* 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 "GLU32.dll"
#cfunc global gluScaleImage "gluScaleImage" int, int, int, int, sptr, int, int, int, sptr
; res = gluScaleImage(format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout)
; format : DWORD -> "int"
; widthin : INT -> "int"
; heightin : INT -> "int"
; typein : DWORD -> "int"
; datain : void* -> "sptr"
; widthout : INT -> "int"
; heightout : INT -> "int"
; typeout : DWORD -> "int"
; dataout : void* in/out -> "sptr"

; INT gluScaleImage(DWORD format, INT widthin, INT heightin, DWORD typein, void* datain, INT widthout, INT heightout, DWORD typeout, void* dataout)
#uselib "GLU32.dll"
#cfunc global gluScaleImage "gluScaleImage" int, int, int, int, intptr, int, int, int, intptr
; res = gluScaleImage(format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout)
; format : DWORD -> "int"
; widthin : INT -> "int"
; heightin : INT -> "int"
; typein : DWORD -> "int"
; datain : void* -> "intptr"
; widthout : INT -> "int"
; heightout : INT -> "int"
; typeout : DWORD -> "int"
; dataout : void* in/out -> "intptr"

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

var (
	glu32 = windows.NewLazySystemDLL("GLU32.dll")
	procgluScaleImage = glu32.NewProc("gluScaleImage")
)

// format (DWORD), widthin (INT), heightin (INT), typein (DWORD), datain (void*), widthout (INT), heightout (INT), typeout (DWORD), dataout (void* in/out)
r1, _, err := procgluScaleImage.Call(
	uintptr(format),
	uintptr(widthin),
	uintptr(heightin),
	uintptr(typein),
	uintptr(datain),
	uintptr(widthout),
	uintptr(heightout),
	uintptr(typeout),
	uintptr(dataout),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function gluScaleImage(
  format: DWORD;   // DWORD
  widthin: Integer;   // INT
  heightin: Integer;   // INT
  typein: DWORD;   // DWORD
  datain: Pointer;   // void*
  widthout: Integer;   // INT
  heightout: Integer;   // INT
  typeout: DWORD;   // DWORD
  dataout: Pointer   // void* in/out
): Integer; stdcall;
  external 'GLU32.dll' name 'gluScaleImage';

result := DllCall("GLU32\gluScaleImage"
    , "UInt", format   ; DWORD
    , "Int", widthin   ; INT
    , "Int", heightin   ; INT
    , "UInt", typein   ; DWORD
    , "Ptr", datain   ; void*
    , "Int", widthout   ; INT
    , "Int", heightout   ; INT
    , "UInt", typeout   ; DWORD
    , "Ptr", dataout   ; void* in/out
    , "Int")   ; return: INT

●gluScaleImage(format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout) = DLL("GLU32.dll", "int gluScaleImage(dword, int, int, dword, void*, int, int, dword, void*)")
# 呼び出し: gluScaleImage(format, widthin, heightin, typein, datain, widthout, heightout, typeout, dataout)
# format : DWORD -> "dword"
# widthin : INT -> "int"
# heightin : INT -> "int"
# typein : DWORD -> "dword"
# datain : void* -> "void*"
# widthout : INT -> "int"
# heightout : INT -> "int"
# typeout : DWORD -> "dword"
# dataout : void* 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)。