GdipSaveImageToStream

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

Status GdipSaveImageToStream(
    GpImage* image,
    IStream* stream,
    const GUID* clsidEncoder,
    const EncoderParameters* encoderParams
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipSaveImageToStream(
    image As IntPtr,   ' GpImage* in/out
    stream As IntPtr,   ' IStream*
    ByRef clsidEncoder As Guid,   ' GUID*
    encoderParams As IntPtr   ' EncoderParameters*
) As Integer
End Function

' image : GpImage* in/out
' stream : IStream*
' clsidEncoder : GUID*
' encoderParams : EncoderParameters*
Declare PtrSafe Function GdipSaveImageToStream Lib "gdiplus" ( _
    ByVal image As LongPtr, _
    ByVal stream As LongPtr, _
    ByVal clsidEncoder As LongPtr, _
    ByVal encoderParams 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

GdipSaveImageToStream = ctypes.windll.gdiplus.GdipSaveImageToStream
GdipSaveImageToStream.restype = ctypes.c_int
GdipSaveImageToStream.argtypes = [
    ctypes.c_void_p,  # image : GpImage* in/out
    ctypes.c_void_p,  # stream : IStream*
    ctypes.c_void_p,  # clsidEncoder : GUID*
    ctypes.c_void_p,  # encoderParams : EncoderParameters*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipSaveImageToStream = Fiddle::Function.new(
  lib['GdipSaveImageToStream'],
  [
    Fiddle::TYPE_VOIDP,  # image : GpImage* in/out
    Fiddle::TYPE_VOIDP,  # stream : IStream*
    Fiddle::TYPE_VOIDP,  # clsidEncoder : GUID*
    Fiddle::TYPE_VOIDP,  # encoderParams : EncoderParameters*
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipSaveImageToStream(
        image: *mut GpImage,  // GpImage* in/out
        stream: *mut core::ffi::c_void,  // IStream*
        clsidEncoder: *const GUID,  // GUID*
        encoderParams: *const EncoderParameters  // EncoderParameters*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipSaveImageToStream(IntPtr image, IntPtr stream, ref Guid clsidEncoder, IntPtr encoderParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipSaveImageToStream' -Namespace Win32 -PassThru
# $api::GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams)

#uselib "gdiplus.dll"
#func global GdipSaveImageToStream "GdipSaveImageToStream" sptr, sptr, sptr, sptr
; GdipSaveImageToStream varptr(image), stream, varptr(clsidEncoder), varptr(encoderParams)   ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; stream : IStream* -> "sptr"
; clsidEncoder : GUID* -> "sptr"
; encoderParams : EncoderParameters* -> "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。

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipSaveImageToStream = gdiplus.NewProc("GdipSaveImageToStream")
)

// image (GpImage* in/out), stream (IStream*), clsidEncoder (GUID*), encoderParams (EncoderParameters*)
r1, _, err := procGdipSaveImageToStream.Call(
	uintptr(image),
	uintptr(stream),
	uintptr(clsidEncoder),
	uintptr(encoderParams),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipSaveImageToStream(
  image: Pointer;   // GpImage* in/out
  stream: Pointer;   // IStream*
  clsidEncoder: PGUID;   // GUID*
  encoderParams: Pointer   // EncoderParameters*
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSaveImageToStream';

result := DllCall("gdiplus\GdipSaveImageToStream"
    , "Ptr", image   ; GpImage* in/out
    , "Ptr", stream   ; IStream*
    , "Ptr", clsidEncoder   ; GUID*
    , "Ptr", encoderParams   ; EncoderParameters*
    , "Int")   ; return: Status

●GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams) = DLL("gdiplus.dll", "int GdipSaveImageToStream(void*, void*, void*, void*)")
# 呼び出し: GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams)
# image : GpImage* in/out -> "void*"
# stream : IStream* -> "void*"
# clsidEncoder : GUID* -> "void*"
# encoderParams : EncoderParameters* -> "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)。

const std = @import("std");

extern "gdiplus" fn GdipSaveImageToStream(
    image: [*c]GpImage, // GpImage* in/out
    stream: ?*anyopaque, // IStream*
    clsidEncoder: [*c]GUID, // GUID*
    encoderParams: [*c]EncoderParameters // EncoderParameters*
) callconv(std.os.windows.WINAPI) i32;

proc GdipSaveImageToStream(
    image: ptr GpImage,  # GpImage* in/out
    stream: pointer,  # IStream*
    clsidEncoder: ptr GUID,  # GUID*
    encoderParams: ptr EncoderParameters  # EncoderParameters*
): int32 {.importc: "GdipSaveImageToStream", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipSaveImageToStream(
    GpImage* image,   // GpImage* in/out
    void* stream,   // IStream*
    GUID* clsidEncoder,   // GUID*
    EncoderParameters* encoderParams   // EncoderParameters*
);

ccall((:GdipSaveImageToStream, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpImage}, Ptr{Cvoid}, Ptr{GUID}, Ptr{EncoderParameters}),
      image, stream, clsidEncoder, encoderParams)
# image : GpImage* in/out -> Ptr{GpImage}
# stream : IStream* -> Ptr{Cvoid}
# clsidEncoder : GUID* -> Ptr{GUID}
# encoderParams : EncoderParameters* -> Ptr{EncoderParameters}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipSaveImageToStream(
    void* image,
    void* stream,
    void* clsidEncoder,
    void* encoderParams);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams)
-- image : GpImage* in/out
-- stream : IStream*
-- clsidEncoder : GUID*
-- encoderParams : EncoderParameters*
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('gdiplus.dll');
const GdipSaveImageToStream = lib.func('__stdcall', 'GdipSaveImageToStream', 'int32_t', ['void *', 'void *', 'void *', 'void *']);
// GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams)
// image : GpImage* in/out -> 'void *'
// stream : IStream* -> 'void *'
// clsidEncoder : GUID* -> 'void *'
// encoderParams : EncoderParameters* -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("gdiplus.dll", {
  GdipSaveImageToStream: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams)
// image : GpImage* in/out -> "pointer"
// stream : IStream* -> "pointer"
// clsidEncoder : GUID* -> "pointer"
// encoderParams : EncoderParameters* -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GdipSaveImageToStream(
    void* image,
    void* stream,
    void* clsidEncoder,
    void* encoderParams);
C, "gdiplus.dll");
// $ffi->GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
// image : GpImage* in/out
// stream : IStream*
// clsidEncoder : GUID*
// encoderParams : EncoderParameters*
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Gdiplus extends StdCallLibrary {
    Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
    int GdipSaveImageToStream(
        Pointer image,   // GpImage* in/out
        Pointer stream,   // IStream*
        Pointer clsidEncoder,   // GUID*
        Pointer encoderParams   // EncoderParameters*
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipSaveImageToStream = GdipSaveImageToStream(
    image : GpImage*,   # GpImage* in/out
    stream : Void*,   # IStream*
    clsidEncoder : GUID*,   # GUID*
    encoderParams : EncoderParameters*   # EncoderParameters*
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GdipSaveImageToStreamNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef GdipSaveImageToStreamDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final GdipSaveImageToStream = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipSaveImageToStreamNative, GdipSaveImageToStreamDart>('GdipSaveImageToStream');
// image : GpImage* in/out -> Pointer<Void>
// stream : IStream* -> Pointer<Void>
// clsidEncoder : GUID* -> Pointer<Void>
// encoderParams : EncoderParameters* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipSaveImageToStream(
  image: Pointer;   // GpImage* in/out
  stream: Pointer;   // IStream*
  clsidEncoder: PGUID;   // GUID*
  encoderParams: Pointer   // EncoderParameters*
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSaveImageToStream';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipSaveImageToStream"
  c_GdipSaveImageToStream :: Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- stream : IStream* -> Ptr ()
-- clsidEncoder : GUID* -> Ptr ()
-- encoderParams : EncoderParameters* -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let gdipsaveimagetostream =
  foreign "GdipSaveImageToStream"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* stream : IStream* -> (ptr void) *)
(* clsidEncoder : GUID* -> (ptr void) *)
(* encoderParams : EncoderParameters* -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library gdiplus (t "gdiplus.dll"))
(cffi:use-foreign-library gdiplus)

(cffi:defcfun ("GdipSaveImageToStream" gdip-save-image-to-stream :convention :stdcall) :int32
  (image :pointer)   ; GpImage* in/out
  (stream :pointer)   ; IStream*
  (clsid-encoder :pointer)   ; GUID*
  (encoder-params :pointer))   ; EncoderParameters*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipSaveImageToStream = Win32::API::More->new('gdiplus',
    'int GdipSaveImageToStream(LPVOID image, LPVOID stream, LPVOID clsidEncoder, LPVOID encoderParams)');
# my $ret = $GdipSaveImageToStream->Call($image, $stream, $clsidEncoder, $encoderParams);
# image : GpImage* in/out -> LPVOID
# stream : IStream* -> LPVOID
# clsidEncoder : GUID* -> LPVOID
# encoderParams : EncoderParameters* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。