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GdipDeleteGraphics

関数
Graphicsオブジェクトを破棄して解放する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipDeleteGraphics(
    GpGraphics* graphics
);

パラメーター

名前方向説明
graphicsGpGraphics*inout破棄して資源を解放する対象のGpGraphicsオブジェクトへのポインタ。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipDeleteGraphics(
    GpGraphics* graphics
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDeleteGraphics(
    IntPtr graphics   // GpGraphics* in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDeleteGraphics(
    graphics As IntPtr   ' GpGraphics* in/out
) As Integer
End Function
' graphics : GpGraphics* in/out
Declare PtrSafe Function GdipDeleteGraphics Lib "gdiplus" ( _
    ByVal graphics 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

GdipDeleteGraphics = ctypes.windll.gdiplus.GdipDeleteGraphics
GdipDeleteGraphics.restype = ctypes.c_int
GdipDeleteGraphics.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipDeleteGraphics = Fiddle::Function.new(
  lib['GdipDeleteGraphics'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipDeleteGraphics(
        graphics: *mut GpGraphics  // GpGraphics* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDeleteGraphics(IntPtr graphics);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDeleteGraphics' -Namespace Win32 -PassThru
# $api::GdipDeleteGraphics(graphics)
#uselib "gdiplus.dll"
#func global GdipDeleteGraphics "GdipDeleteGraphics" sptr
; GdipDeleteGraphics varptr(graphics)   ; 戻り値は stat
; graphics : GpGraphics* 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 GdipDeleteGraphics "GdipDeleteGraphics" var
; res = GdipDeleteGraphics(graphics)
; graphics : GpGraphics* 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 GdipDeleteGraphics(GpGraphics* graphics)
#uselib "gdiplus.dll"
#cfunc global GdipDeleteGraphics "GdipDeleteGraphics" var
; res = GdipDeleteGraphics(graphics)
; graphics : GpGraphics* 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")
	procGdipDeleteGraphics = gdiplus.NewProc("GdipDeleteGraphics")
)

// graphics (GpGraphics* in/out)
r1, _, err := procGdipDeleteGraphics.Call(
	uintptr(graphics),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipDeleteGraphics(
  graphics: Pointer   // GpGraphics* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDeleteGraphics';
result := DllCall("gdiplus\GdipDeleteGraphics"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Int")   ; return: Status
●GdipDeleteGraphics(graphics) = DLL("gdiplus.dll", "int GdipDeleteGraphics(void*)")
# 呼び出し: GdipDeleteGraphics(graphics)
# graphics : GpGraphics* 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 GdipDeleteGraphics(
    graphics: [*c]GpGraphics // GpGraphics* in/out
) callconv(std.os.windows.WINAPI) i32;
proc GdipDeleteGraphics(
    graphics: ptr GpGraphics  # GpGraphics* in/out
): int32 {.importc: "GdipDeleteGraphics", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipDeleteGraphics(
    GpGraphics* graphics   // GpGraphics* in/out
);
ccall((:GdipDeleteGraphics, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpGraphics},),
      graphics)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipDeleteGraphics(
    void* graphics);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDeleteGraphics(graphics)
-- graphics : GpGraphics* 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 GdipDeleteGraphics = lib.func('__stdcall', 'GdipDeleteGraphics', 'int32_t', ['void *']);
// GdipDeleteGraphics(graphics)
// graphics : GpGraphics* 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", {
  GdipDeleteGraphics: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.GdipDeleteGraphics(graphics)
// graphics : GpGraphics* 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 GdipDeleteGraphics(
    void* graphics);
C, "gdiplus.dll");
// $ffi->GdipDeleteGraphics(graphics);
// graphics : GpGraphics* 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 GdipDeleteGraphics(
        Pointer graphics   // GpGraphics* in/out
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipDeleteGraphics = GdipDeleteGraphics(
    graphics : GpGraphics*   # GpGraphics* 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 GdipDeleteGraphicsNative = Int32 Function(Pointer<Void>);
typedef GdipDeleteGraphicsDart = int Function(Pointer<Void>);
final GdipDeleteGraphics = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipDeleteGraphicsNative, GdipDeleteGraphicsDart>('GdipDeleteGraphics');
// graphics : GpGraphics* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipDeleteGraphics(
  graphics: Pointer   // GpGraphics* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDeleteGraphics';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipDeleteGraphics"
  c_GdipDeleteGraphics :: Ptr () -> IO Int32
-- graphics : GpGraphics* 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 gdipdeletegraphics =
  foreign "GdipDeleteGraphics"
    ((ptr void) @-> returning int32_t)
(* graphics : GpGraphics* 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 ("GdipDeleteGraphics" gdip-delete-graphics :convention :stdcall) :int32
  (graphics :pointer))   ; GpGraphics* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipDeleteGraphics = Win32::API::More->new('gdiplus',
    'int GdipDeleteGraphics(LPVOID graphics)');
# my $ret = $GdipDeleteGraphics->Call($graphics);
# graphics : GpGraphics* 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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