ホーム › Graphics.Imaging › WICSerializeMetadataContent

WICSerializeMetadataContent

関数

メタデータライターの内容をストリームへ直列化する。

DLLWindowsCodecs.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT WICSerializeMetadataContent(
    const GUID* guidContainerFormat,
    IWICMetadataWriter* pIWriter,
    DWORD dwPersistOptions,
    IStream* pIStream
);

パラメーター

名前	型	方向	説明
guidContainerFormat	GUID*	in	対象のコンテナ形式を示すGUIDへのポインタ。
pIWriter	IWICMetadataWriter*	in	シリアル化するメタデータを保持するIWICMetadataWriterへのポインタ。
dwPersistOptions	DWORD	in	永続化動作を制御するWICPersistOptionsフラグを示すDWORD値。
pIStream	IStream*	in	シリアル化結果を書き込む出力先のIStreamへのポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WICSerializeMetadataContent(
    const GUID* guidContainerFormat,
    IWICMetadataWriter* pIWriter,
    DWORD dwPersistOptions,
    IStream* pIStream
);

[DllImport("WindowsCodecs.dll", ExactSpelling = true)]
static extern int WICSerializeMetadataContent(
    ref Guid guidContainerFormat,   // GUID*
    IntPtr pIWriter,   // IWICMetadataWriter*
    uint dwPersistOptions,   // DWORD
    IntPtr pIStream   // IStream*
);

<DllImport("WindowsCodecs.dll", ExactSpelling:=True)>
Public Shared Function WICSerializeMetadataContent(
    ByRef guidContainerFormat As Guid,   ' GUID*
    pIWriter As IntPtr,   ' IWICMetadataWriter*
    dwPersistOptions As UInteger,   ' DWORD
    pIStream As IntPtr   ' IStream*
) As Integer
End Function

' guidContainerFormat : GUID*
' pIWriter : IWICMetadataWriter*
' dwPersistOptions : DWORD
' pIStream : IStream*
Declare PtrSafe Function WICSerializeMetadataContent Lib "windowscodecs" ( _
    ByVal guidContainerFormat As LongPtr, _
    ByVal pIWriter As LongPtr, _
    ByVal dwPersistOptions As Long, _
    ByVal pIStream 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

WICSerializeMetadataContent = ctypes.windll.windowscodecs.WICSerializeMetadataContent
WICSerializeMetadataContent.restype = ctypes.c_int
WICSerializeMetadataContent.argtypes = [
    ctypes.c_void_p,  # guidContainerFormat : GUID*
    ctypes.c_void_p,  # pIWriter : IWICMetadataWriter*
    wintypes.DWORD,  # dwPersistOptions : DWORD
    ctypes.c_void_p,  # pIStream : IStream*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WindowsCodecs.dll')
WICSerializeMetadataContent = Fiddle::Function.new(
  lib['WICSerializeMetadataContent'],
  [
    Fiddle::TYPE_VOIDP,  # guidContainerFormat : GUID*
    Fiddle::TYPE_VOIDP,  # pIWriter : IWICMetadataWriter*
    -Fiddle::TYPE_INT,  # dwPersistOptions : DWORD
    Fiddle::TYPE_VOIDP,  # pIStream : IStream*
  ],
  Fiddle::TYPE_INT)

#[link(name = "windowscodecs")]
extern "system" {
    fn WICSerializeMetadataContent(
        guidContainerFormat: *const GUID,  // GUID*
        pIWriter: *mut core::ffi::c_void,  // IWICMetadataWriter*
        dwPersistOptions: u32,  // DWORD
        pIStream: *mut core::ffi::c_void  // IStream*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WindowsCodecs.dll")]
public static extern int WICSerializeMetadataContent(ref Guid guidContainerFormat, IntPtr pIWriter, uint dwPersistOptions, IntPtr pIStream);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WindowsCodecs_WICSerializeMetadataContent' -Namespace Win32 -PassThru
# $api::WICSerializeMetadataContent(guidContainerFormat, pIWriter, dwPersistOptions, pIStream)

#uselib "WindowsCodecs.dll"
#func global WICSerializeMetadataContent "WICSerializeMetadataContent" sptr, sptr, sptr, sptr
; WICSerializeMetadataContent varptr(guidContainerFormat), pIWriter, dwPersistOptions, pIStream   ; 戻り値は stat
; guidContainerFormat : GUID* -> "sptr"
; pIWriter : IWICMetadataWriter* -> "sptr"
; dwPersistOptions : DWORD -> "sptr"
; pIStream : IStream* -> "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。

出力引数:

#uselib "WindowsCodecs.dll"
#cfunc global WICSerializeMetadataContent "WICSerializeMetadataContent" var, sptr, int, sptr
; res = WICSerializeMetadataContent(guidContainerFormat, pIWriter, dwPersistOptions, pIStream)
; guidContainerFormat : GUID* -> "var"
; pIWriter : IWICMetadataWriter* -> "sptr"
; dwPersistOptions : DWORD -> "int"
; pIStream : IStream* -> "sptr"
; ※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。#uselib "WindowsCodecs.dll"
#cfunc global WICSerializeMetadataContent "WICSerializeMetadataContent" sptr, sptr, int, sptr
; res = WICSerializeMetadataContent(varptr(guidContainerFormat), pIWriter, dwPersistOptions, pIStream)
; guidContainerFormat : GUID* -> "sptr"
; pIWriter : IWICMetadataWriter* -> "sptr"
; dwPersistOptions : DWORD -> "int"
; pIStream : IStream* -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT WICSerializeMetadataContent(GUID* guidContainerFormat, IWICMetadataWriter* pIWriter, DWORD dwPersistOptions, IStream* pIStream)
#uselib "WindowsCodecs.dll"
#cfunc global WICSerializeMetadataContent "WICSerializeMetadataContent" var, intptr, int, intptr
; res = WICSerializeMetadataContent(guidContainerFormat, pIWriter, dwPersistOptions, pIStream)
; guidContainerFormat : GUID* -> "var"
; pIWriter : IWICMetadataWriter* -> "intptr"
; dwPersistOptions : DWORD -> "int"
; pIStream : IStream* -> "intptr"
; ※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。; HRESULT WICSerializeMetadataContent(GUID* guidContainerFormat, IWICMetadataWriter* pIWriter, DWORD dwPersistOptions, IStream* pIStream)
#uselib "WindowsCodecs.dll"
#cfunc global WICSerializeMetadataContent "WICSerializeMetadataContent" intptr, intptr, int, intptr
; res = WICSerializeMetadataContent(varptr(guidContainerFormat), pIWriter, dwPersistOptions, pIStream)
; guidContainerFormat : GUID* -> "intptr"
; pIWriter : IWICMetadataWriter* -> "intptr"
; dwPersistOptions : DWORD -> "int"
; pIStream : IStream* -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	windowscodecs = windows.NewLazySystemDLL("WindowsCodecs.dll")
	procWICSerializeMetadataContent = windowscodecs.NewProc("WICSerializeMetadataContent")
)

// guidContainerFormat (GUID*), pIWriter (IWICMetadataWriter*), dwPersistOptions (DWORD), pIStream (IStream*)
r1, _, err := procWICSerializeMetadataContent.Call(
	uintptr(guidContainerFormat),
	uintptr(pIWriter),
	uintptr(dwPersistOptions),
	uintptr(pIStream),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WICSerializeMetadataContent(
  guidContainerFormat: PGUID;   // GUID*
  pIWriter: Pointer;   // IWICMetadataWriter*
  dwPersistOptions: DWORD;   // DWORD
  pIStream: Pointer   // IStream*
): Integer; stdcall;
  external 'WindowsCodecs.dll' name 'WICSerializeMetadataContent';

result := DllCall("WindowsCodecs\WICSerializeMetadataContent"
    , "Ptr", guidContainerFormat   ; GUID*
    , "Ptr", pIWriter   ; IWICMetadataWriter*
    , "UInt", dwPersistOptions   ; DWORD
    , "Ptr", pIStream   ; IStream*
    , "Int")   ; return: HRESULT

●WICSerializeMetadataContent(guidContainerFormat, pIWriter, dwPersistOptions, pIStream) = DLL("WindowsCodecs.dll", "int WICSerializeMetadataContent(void*, void*, dword, void*)")
# 呼び出し: WICSerializeMetadataContent(guidContainerFormat, pIWriter, dwPersistOptions, pIStream)
# guidContainerFormat : GUID* -> "void*"
# pIWriter : IWICMetadataWriter* -> "void*"
# dwPersistOptions : DWORD -> "dword"
# pIStream : IStream* -> "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)。