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GdipGetPropertyItemSize
関数指定したプロパティ項目のバイトサイズを取得する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipGetPropertyItemSize(
GpImage* image,
DWORD propId,
DWORD* size
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| image | GpImage* | inout | 対象となるGDI+画像オブジェクトへのポインタ。 |
| propId | DWORD | in | サイズを問い合わせるプロパティの識別子(タグID)。 |
| size | DWORD* | inout | 当該プロパティ項目の格納に必要なバイト数を受け取る出力先DWORD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 GdipGetPropertyItemSize(
GpImage* image,
DWORD propId,
DWORD* size
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetPropertyItemSize(
IntPtr image, // GpImage* in/out
uint propId, // DWORD
ref uint size // DWORD* in/out
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPropertyItemSize(
image As IntPtr, ' GpImage* in/out
propId As UInteger, ' DWORD
ByRef size As UInteger ' DWORD* in/out
) As Integer
End Function' image : GpImage* in/out
' propId : DWORD
' size : DWORD* in/out
Declare PtrSafe Function GdipGetPropertyItemSize Lib "gdiplus" ( _
ByVal image As LongPtr, _
ByVal propId As Long, _
ByRef size As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
GdipGetPropertyItemSize = ctypes.windll.gdiplus.GdipGetPropertyItemSize
GdipGetPropertyItemSize.restype = ctypes.c_int
GdipGetPropertyItemSize.argtypes = [
ctypes.c_void_p, # image : GpImage* in/out
wintypes.DWORD, # propId : DWORD
ctypes.POINTER(wintypes.DWORD), # size : DWORD* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPropertyItemSize = Fiddle::Function.new(
lib['GdipGetPropertyItemSize'],
[
Fiddle::TYPE_VOIDP, # image : GpImage* in/out
-Fiddle::TYPE_INT, # propId : DWORD
Fiddle::TYPE_VOIDP, # size : DWORD* in/out
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipGetPropertyItemSize(
image: *mut GpImage, // GpImage* in/out
propId: u32, // DWORD
size: *mut u32 // DWORD* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetPropertyItemSize(IntPtr image, uint propId, ref uint size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetPropertyItemSize' -Namespace Win32 -PassThru
# $api::GdipGetPropertyItemSize(image, propId, size)#uselib "gdiplus.dll"
#func global GdipGetPropertyItemSize "GdipGetPropertyItemSize" sptr, sptr, sptr
; GdipGetPropertyItemSize varptr(image), propId, varptr(size) ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; propId : DWORD -> "sptr"
; size : DWORD* 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 GdipGetPropertyItemSize "GdipGetPropertyItemSize" var, int, var ; res = GdipGetPropertyItemSize(image, propId, size) ; image : GpImage* in/out -> "var" ; propId : DWORD -> "int" ; size : DWORD* 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。#uselib "gdiplus.dll" #cfunc global GdipGetPropertyItemSize "GdipGetPropertyItemSize" sptr, int, sptr ; res = GdipGetPropertyItemSize(varptr(image), propId, varptr(size)) ; image : GpImage* in/out -> "sptr" ; propId : DWORD -> "int" ; size : DWORD* in/out -> "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:
; Status GdipGetPropertyItemSize(GpImage* image, DWORD propId, DWORD* size) #uselib "gdiplus.dll" #cfunc global GdipGetPropertyItemSize "GdipGetPropertyItemSize" var, int, var ; res = GdipGetPropertyItemSize(image, propId, size) ; image : GpImage* in/out -> "var" ; propId : DWORD -> "int" ; size : DWORD* 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。; Status GdipGetPropertyItemSize(GpImage* image, DWORD propId, DWORD* size) #uselib "gdiplus.dll" #cfunc global GdipGetPropertyItemSize "GdipGetPropertyItemSize" intptr, int, intptr ; res = GdipGetPropertyItemSize(varptr(image), propId, varptr(size)) ; image : GpImage* in/out -> "intptr" ; propId : DWORD -> "int" ; size : DWORD* in/out -> "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 (
gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
procGdipGetPropertyItemSize = gdiplus.NewProc("GdipGetPropertyItemSize")
)
// image (GpImage* in/out), propId (DWORD), size (DWORD* in/out)
r1, _, err := procGdipGetPropertyItemSize.Call(
uintptr(image),
uintptr(propId),
uintptr(size),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Statusfunction GdipGetPropertyItemSize(
image: Pointer; // GpImage* in/out
propId: DWORD; // DWORD
size: Pointer // DWORD* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetPropertyItemSize';result := DllCall("gdiplus\GdipGetPropertyItemSize"
, "Ptr", image ; GpImage* in/out
, "UInt", propId ; DWORD
, "Ptr", size ; DWORD* in/out
, "Int") ; return: Status●GdipGetPropertyItemSize(image, propId, size) = DLL("gdiplus.dll", "int GdipGetPropertyItemSize(void*, dword, void*)")
# 呼び出し: GdipGetPropertyItemSize(image, propId, size)
# image : GpImage* in/out -> "void*"
# propId : DWORD -> "dword"
# size : DWORD* 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 GdipGetPropertyItemSize(
image: [*c]GpImage, // GpImage* in/out
propId: u32, // DWORD
size: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;proc GdipGetPropertyItemSize(
image: ptr GpImage, # GpImage* in/out
propId: uint32, # DWORD
size: ptr uint32 # DWORD* in/out
): int32 {.importc: "GdipGetPropertyItemSize", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipGetPropertyItemSize(
GpImage* image, // GpImage* in/out
uint propId, // DWORD
uint* size // DWORD* in/out
);ccall((:GdipGetPropertyItemSize, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpImage}, UInt32, Ptr{UInt32}),
image, propId, size)
# image : GpImage* in/out -> Ptr{GpImage}
# propId : DWORD -> UInt32
# size : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetPropertyItemSize(
void* image,
uint32_t propId,
uint32_t* size);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetPropertyItemSize(image, propId, size)
-- image : GpImage* in/out
-- propId : DWORD
-- size : DWORD* 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 GdipGetPropertyItemSize = lib.func('__stdcall', 'GdipGetPropertyItemSize', 'int32_t', ['void *', 'uint32_t', 'uint32_t *']);
// GdipGetPropertyItemSize(image, propId, size)
// image : GpImage* in/out -> 'void *'
// propId : DWORD -> 'uint32_t'
// size : DWORD* in/out -> 'uint32_t *'
// 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", {
GdipGetPropertyItemSize: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetPropertyItemSize(image, propId, size)
// image : GpImage* in/out -> "pointer"
// propId : DWORD -> "u32"
// size : DWORD* 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 GdipGetPropertyItemSize(
void* image,
uint32_t propId,
uint32_t* size);
C, "gdiplus.dll");
// $ffi->GdipGetPropertyItemSize(image, propId, size);
// image : GpImage* in/out
// propId : DWORD
// size : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipGetPropertyItemSize(
Pointer image, // GpImage* in/out
int propId, // DWORD
IntByReference size // DWORD* in/out
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipGetPropertyItemSize = GdipGetPropertyItemSize(
image : GpImage*, # GpImage* in/out
propId : UInt32, # DWORD
size : UInt32* # DWORD* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipGetPropertyItemSizeNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Uint32>);
typedef GdipGetPropertyItemSizeDart = int Function(Pointer<Void>, int, Pointer<Uint32>);
final GdipGetPropertyItemSize = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipGetPropertyItemSizeNative, GdipGetPropertyItemSizeDart>('GdipGetPropertyItemSize');
// image : GpImage* in/out -> Pointer<Void>
// propId : DWORD -> Uint32
// size : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipGetPropertyItemSize(
image: Pointer; // GpImage* in/out
propId: DWORD; // DWORD
size: Pointer // DWORD* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetPropertyItemSize';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipGetPropertyItemSize"
c_GdipGetPropertyItemSize :: Ptr () -> Word32 -> Ptr Word32 -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- propId : DWORD -> Word32
-- size : DWORD* in/out -> Ptr Word32
-- 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 gdipgetpropertyitemsize =
foreign "GdipGetPropertyItemSize"
((ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* propId : DWORD -> uint32_t *)
(* size : DWORD* in/out -> (ptr uint32_t) *)
(* 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 ("GdipGetPropertyItemSize" gdip-get-property-item-size :convention :stdcall) :int32
(image :pointer) ; GpImage* in/out
(prop-id :uint32) ; DWORD
(size :pointer)) ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipGetPropertyItemSize = Win32::API::More->new('gdiplus',
'int GdipGetPropertyItemSize(LPVOID image, DWORD propId, LPVOID size)');
# my $ret = $GdipGetPropertyItemSize->Call($image, $propId, $size);
# image : GpImage* in/out -> LPVOID
# propId : DWORD -> DWORD
# size : DWORD* 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。