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GdipCreateMetafileFromEmf

関数
EMFハンドルからメタファイルオブジェクトを作成する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipCreateMetafileFromEmf(
    HENHMETAFILE hEmf,
    BOOL deleteEmf,
    GpMetafile** metafile
);

パラメーター

名前方向説明
hEmfHENHMETAFILEin元となる拡張メタファイルのハンドル(HENHMETAFILE)。
deleteEmfBOOLinTRUEなら関数が成功時に元hEmfを削除する。
metafileGpMetafile**inout生成したメタファイルオブジェクトを受け取るポインタのポインタ(出力)。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipCreateMetafileFromEmf(
    HENHMETAFILE hEmf,
    BOOL deleteEmf,
    GpMetafile** metafile
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipCreateMetafileFromEmf(
    IntPtr hEmf,   // HENHMETAFILE
    bool deleteEmf,   // BOOL
    IntPtr metafile   // GpMetafile** in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateMetafileFromEmf(
    hEmf As IntPtr,   ' HENHMETAFILE
    deleteEmf As Boolean,   ' BOOL
    metafile As IntPtr   ' GpMetafile** in/out
) As Integer
End Function
' hEmf : HENHMETAFILE
' deleteEmf : BOOL
' metafile : GpMetafile** in/out
Declare PtrSafe Function GdipCreateMetafileFromEmf Lib "gdiplus" ( _
    ByVal hEmf As LongPtr, _
    ByVal deleteEmf As Long, _
    ByVal metafile 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

GdipCreateMetafileFromEmf = ctypes.windll.gdiplus.GdipCreateMetafileFromEmf
GdipCreateMetafileFromEmf.restype = ctypes.c_int
GdipCreateMetafileFromEmf.argtypes = [
    wintypes.HANDLE,  # hEmf : HENHMETAFILE
    wintypes.BOOL,  # deleteEmf : BOOL
    ctypes.c_void_p,  # metafile : GpMetafile** in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateMetafileFromEmf = Fiddle::Function.new(
  lib['GdipCreateMetafileFromEmf'],
  [
    Fiddle::TYPE_VOIDP,  # hEmf : HENHMETAFILE
    Fiddle::TYPE_INT,  # deleteEmf : BOOL
    Fiddle::TYPE_VOIDP,  # metafile : GpMetafile** in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateMetafileFromEmf(
        hEmf: *mut core::ffi::c_void,  // HENHMETAFILE
        deleteEmf: i32,  // BOOL
        metafile: *mut *mut GpMetafile  // GpMetafile** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateMetafileFromEmf(IntPtr hEmf, bool deleteEmf, IntPtr metafile);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateMetafileFromEmf' -Namespace Win32 -PassThru
# $api::GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
#uselib "gdiplus.dll"
#func global GdipCreateMetafileFromEmf "GdipCreateMetafileFromEmf" sptr, sptr, sptr
; GdipCreateMetafileFromEmf hEmf, deleteEmf, varptr(metafile)   ; 戻り値は stat
; hEmf : HENHMETAFILE -> "sptr"
; deleteEmf : BOOL -> "sptr"
; metafile : GpMetafile** 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。
出力引数:
#uselib "gdiplus.dll"
#cfunc global GdipCreateMetafileFromEmf "GdipCreateMetafileFromEmf" sptr, int, var
; res = GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
; hEmf : HENHMETAFILE -> "sptr"
; deleteEmf : BOOL -> "int"
; metafile : GpMetafile** in/out -> "var"
; ※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。
出力引数:
; Status GdipCreateMetafileFromEmf(HENHMETAFILE hEmf, BOOL deleteEmf, GpMetafile** metafile)
#uselib "gdiplus.dll"
#cfunc global GdipCreateMetafileFromEmf "GdipCreateMetafileFromEmf" intptr, int, var
; res = GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
; hEmf : HENHMETAFILE -> "intptr"
; deleteEmf : BOOL -> "int"
; metafile : GpMetafile** in/out -> "var"
; ※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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipCreateMetafileFromEmf = gdiplus.NewProc("GdipCreateMetafileFromEmf")
)

// hEmf (HENHMETAFILE), deleteEmf (BOOL), metafile (GpMetafile** in/out)
r1, _, err := procGdipCreateMetafileFromEmf.Call(
	uintptr(hEmf),
	uintptr(deleteEmf),
	uintptr(metafile),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipCreateMetafileFromEmf(
  hEmf: THandle;   // HENHMETAFILE
  deleteEmf: BOOL;   // BOOL
  metafile: Pointer   // GpMetafile** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateMetafileFromEmf';
result := DllCall("gdiplus\GdipCreateMetafileFromEmf"
    , "Ptr", hEmf   ; HENHMETAFILE
    , "Int", deleteEmf   ; BOOL
    , "Ptr", metafile   ; GpMetafile** in/out
    , "Int")   ; return: Status
●GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile) = DLL("gdiplus.dll", "int GdipCreateMetafileFromEmf(void*, bool, void*)")
# 呼び出し: GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
# hEmf : HENHMETAFILE -> "void*"
# deleteEmf : BOOL -> "bool"
# metafile : GpMetafile** 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)。
const std = @import("std");

extern "gdiplus" fn GdipCreateMetafileFromEmf(
    hEmf: ?*anyopaque, // HENHMETAFILE
    deleteEmf: i32, // BOOL
    metafile: [*c][*c]GpMetafile // GpMetafile** in/out
) callconv(std.os.windows.WINAPI) i32;
proc GdipCreateMetafileFromEmf(
    hEmf: pointer,  # HENHMETAFILE
    deleteEmf: int32,  # BOOL
    metafile: ptr GpMetafile  # GpMetafile** in/out
): int32 {.importc: "GdipCreateMetafileFromEmf", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipCreateMetafileFromEmf(
    void* hEmf,   // HENHMETAFILE
    int deleteEmf,   // BOOL
    GpMetafile** metafile   // GpMetafile** in/out
);
ccall((:GdipCreateMetafileFromEmf, "gdiplus.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Int32, Ptr{GpMetafile}),
      hEmf, deleteEmf, metafile)
# hEmf : HENHMETAFILE -> Ptr{Cvoid}
# deleteEmf : BOOL -> Int32
# metafile : GpMetafile** in/out -> Ptr{GpMetafile}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipCreateMetafileFromEmf(
    void* hEmf,
    int32_t deleteEmf,
    void* metafile);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
-- hEmf : HENHMETAFILE
-- deleteEmf : BOOL
-- metafile : GpMetafile** in/out
-- 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 GdipCreateMetafileFromEmf = lib.func('__stdcall', 'GdipCreateMetafileFromEmf', 'int32_t', ['void *', 'int32_t', 'void *']);
// GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
// hEmf : HENHMETAFILE -> 'void *'
// deleteEmf : BOOL -> 'int32_t'
// metafile : GpMetafile** in/out -> '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", {
  GdipCreateMetafileFromEmf: { parameters: ["pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile)
// hEmf : HENHMETAFILE -> "pointer"
// deleteEmf : BOOL -> "i32"
// metafile : GpMetafile** in/out -> "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 GdipCreateMetafileFromEmf(
    void* hEmf,
    int32_t deleteEmf,
    void* metafile);
C, "gdiplus.dll");
// $ffi->GdipCreateMetafileFromEmf(hEmf, deleteEmf, metafile);
// hEmf : HENHMETAFILE
// deleteEmf : BOOL
// metafile : GpMetafile** in/out
// 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 GdipCreateMetafileFromEmf(
        Pointer hEmf,   // HENHMETAFILE
        boolean deleteEmf,   // BOOL
        Pointer metafile   // GpMetafile** in/out
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipCreateMetafileFromEmf = GdipCreateMetafileFromEmf(
    hEmf : Void*,   # HENHMETAFILE
    deleteEmf : Int32,   # BOOL
    metafile : GpMetafile**   # GpMetafile** in/out
  ) : 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 GdipCreateMetafileFromEmfNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>);
typedef GdipCreateMetafileFromEmfDart = int Function(Pointer<Void>, int, Pointer<Void>);
final GdipCreateMetafileFromEmf = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipCreateMetafileFromEmfNative, GdipCreateMetafileFromEmfDart>('GdipCreateMetafileFromEmf');
// hEmf : HENHMETAFILE -> Pointer<Void>
// deleteEmf : BOOL -> Int32
// metafile : GpMetafile** in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipCreateMetafileFromEmf(
  hEmf: THandle;   // HENHMETAFILE
  deleteEmf: BOOL;   // BOOL
  metafile: Pointer   // GpMetafile** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateMetafileFromEmf';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipCreateMetafileFromEmf"
  c_GdipCreateMetafileFromEmf :: Ptr () -> CInt -> Ptr () -> IO Int32
-- hEmf : HENHMETAFILE -> Ptr ()
-- deleteEmf : BOOL -> CInt
-- metafile : GpMetafile** in/out -> 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 gdipcreatemetafilefromemf =
  foreign "GdipCreateMetafileFromEmf"
    ((ptr void) @-> int32_t @-> (ptr void) @-> returning int32_t)
(* hEmf : HENHMETAFILE -> (ptr void) *)
(* deleteEmf : BOOL -> int32_t *)
(* metafile : GpMetafile** in/out -> (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 ("GdipCreateMetafileFromEmf" gdip-create-metafile-from-emf :convention :stdcall) :int32
  (h-emf :pointer)   ; HENHMETAFILE
  (delete-emf :int32)   ; BOOL
  (metafile :pointer))   ; GpMetafile** in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipCreateMetafileFromEmf = Win32::API::More->new('gdiplus',
    'int GdipCreateMetafileFromEmf(HANDLE hEmf, BOOL deleteEmf, LPVOID metafile)');
# my $ret = $GdipCreateMetafileFromEmf->Call($hEmf, $deleteEmf, $metafile);
# hEmf : HENHMETAFILE -> HANDLE
# deleteEmf : BOOL -> BOOL
# metafile : GpMetafile** in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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