ホーム › Graphics.GdiPlus › GdipGetPropertyItem
GdipGetPropertyItem
関数指定したIDのメタデータプロパティ項目を取得する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipGetPropertyItem(
GpImage* image,
DWORD propId,
DWORD propSize,
PropertyItem* buffer
);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 | 取得するプロパティの識別子(タグID)。 |
| propSize | DWORD | in | buffer のサイズをバイト単位で指定する。GdipGetPropertyItemSizeで得た値を渡す。 |
| buffer | PropertyItem* | inout | プロパティ項目を受け取るPropertyItem構造体へのポインタ。値データを含む。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipGetPropertyItem(
GpImage* image,
DWORD propId,
DWORD propSize,
PropertyItem* buffer
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetPropertyItem(
IntPtr image, // GpImage* in/out
uint propId, // DWORD
uint propSize, // DWORD
IntPtr buffer // PropertyItem* in/out
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPropertyItem(
image As IntPtr, ' GpImage* in/out
propId As UInteger, ' DWORD
propSize As UInteger, ' DWORD
buffer As IntPtr ' PropertyItem* in/out
) As Integer
End Function' image : GpImage* in/out
' propId : DWORD
' propSize : DWORD
' buffer : PropertyItem* in/out
Declare PtrSafe Function GdipGetPropertyItem Lib "gdiplus" ( _
ByVal image As LongPtr, _
ByVal propId As Long, _
ByVal propSize As Long, _
ByVal buffer 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
GdipGetPropertyItem = ctypes.windll.gdiplus.GdipGetPropertyItem
GdipGetPropertyItem.restype = ctypes.c_int
GdipGetPropertyItem.argtypes = [
ctypes.c_void_p, # image : GpImage* in/out
wintypes.DWORD, # propId : DWORD
wintypes.DWORD, # propSize : DWORD
ctypes.c_void_p, # buffer : PropertyItem* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPropertyItem = Fiddle::Function.new(
lib['GdipGetPropertyItem'],
[
Fiddle::TYPE_VOIDP, # image : GpImage* in/out
-Fiddle::TYPE_INT, # propId : DWORD
-Fiddle::TYPE_INT, # propSize : DWORD
Fiddle::TYPE_VOIDP, # buffer : PropertyItem* in/out
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipGetPropertyItem(
image: *mut GpImage, // GpImage* in/out
propId: u32, // DWORD
propSize: u32, // DWORD
buffer: *mut PropertyItem // PropertyItem* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetPropertyItem(IntPtr image, uint propId, uint propSize, IntPtr buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetPropertyItem' -Namespace Win32 -PassThru
# $api::GdipGetPropertyItem(image, propId, propSize, buffer)#uselib "gdiplus.dll"
#func global GdipGetPropertyItem "GdipGetPropertyItem" sptr, sptr, sptr, sptr
; GdipGetPropertyItem varptr(image), propId, propSize, varptr(buffer) ; 戻り値は stat
; image : GpImage* in/out -> "sptr"
; propId : DWORD -> "sptr"
; propSize : DWORD -> "sptr"
; buffer : PropertyItem* 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 GdipGetPropertyItem "GdipGetPropertyItem" var, int, int, var ; res = GdipGetPropertyItem(image, propId, propSize, buffer) ; image : GpImage* in/out -> "var" ; propId : DWORD -> "int" ; propSize : DWORD -> "int" ; buffer : PropertyItem* 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 GdipGetPropertyItem "GdipGetPropertyItem" sptr, int, int, sptr ; res = GdipGetPropertyItem(varptr(image), propId, propSize, varptr(buffer)) ; image : GpImage* in/out -> "sptr" ; propId : DWORD -> "int" ; propSize : DWORD -> "int" ; buffer : PropertyItem* 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 GdipGetPropertyItem(GpImage* image, DWORD propId, DWORD propSize, PropertyItem* buffer) #uselib "gdiplus.dll" #cfunc global GdipGetPropertyItem "GdipGetPropertyItem" var, int, int, var ; res = GdipGetPropertyItem(image, propId, propSize, buffer) ; image : GpImage* in/out -> "var" ; propId : DWORD -> "int" ; propSize : DWORD -> "int" ; buffer : PropertyItem* 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 GdipGetPropertyItem(GpImage* image, DWORD propId, DWORD propSize, PropertyItem* buffer) #uselib "gdiplus.dll" #cfunc global GdipGetPropertyItem "GdipGetPropertyItem" intptr, int, int, intptr ; res = GdipGetPropertyItem(varptr(image), propId, propSize, varptr(buffer)) ; image : GpImage* in/out -> "intptr" ; propId : DWORD -> "int" ; propSize : DWORD -> "int" ; buffer : PropertyItem* 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")
procGdipGetPropertyItem = gdiplus.NewProc("GdipGetPropertyItem")
)
// image (GpImage* in/out), propId (DWORD), propSize (DWORD), buffer (PropertyItem* in/out)
r1, _, err := procGdipGetPropertyItem.Call(
uintptr(image),
uintptr(propId),
uintptr(propSize),
uintptr(buffer),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Statusfunction GdipGetPropertyItem(
image: Pointer; // GpImage* in/out
propId: DWORD; // DWORD
propSize: DWORD; // DWORD
buffer: Pointer // PropertyItem* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetPropertyItem';result := DllCall("gdiplus\GdipGetPropertyItem"
, "Ptr", image ; GpImage* in/out
, "UInt", propId ; DWORD
, "UInt", propSize ; DWORD
, "Ptr", buffer ; PropertyItem* in/out
, "Int") ; return: Status●GdipGetPropertyItem(image, propId, propSize, buffer) = DLL("gdiplus.dll", "int GdipGetPropertyItem(void*, dword, dword, void*)")
# 呼び出し: GdipGetPropertyItem(image, propId, propSize, buffer)
# image : GpImage* in/out -> "void*"
# propId : DWORD -> "dword"
# propSize : DWORD -> "dword"
# buffer : PropertyItem* 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 GdipGetPropertyItem(
image: [*c]GpImage, // GpImage* in/out
propId: u32, // DWORD
propSize: u32, // DWORD
buffer: [*c]PropertyItem // PropertyItem* in/out
) callconv(std.os.windows.WINAPI) i32;proc GdipGetPropertyItem(
image: ptr GpImage, # GpImage* in/out
propId: uint32, # DWORD
propSize: uint32, # DWORD
buffer: ptr PropertyItem # PropertyItem* in/out
): int32 {.importc: "GdipGetPropertyItem", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipGetPropertyItem(
GpImage* image, // GpImage* in/out
uint propId, // DWORD
uint propSize, // DWORD
PropertyItem* buffer // PropertyItem* in/out
);ccall((:GdipGetPropertyItem, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpImage}, UInt32, UInt32, Ptr{PropertyItem}),
image, propId, propSize, buffer)
# image : GpImage* in/out -> Ptr{GpImage}
# propId : DWORD -> UInt32
# propSize : DWORD -> UInt32
# buffer : PropertyItem* in/out -> Ptr{PropertyItem}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetPropertyItem(
void* image,
uint32_t propId,
uint32_t propSize,
void* buffer);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetPropertyItem(image, propId, propSize, buffer)
-- image : GpImage* in/out
-- propId : DWORD
-- propSize : DWORD
-- buffer : PropertyItem* 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 GdipGetPropertyItem = lib.func('__stdcall', 'GdipGetPropertyItem', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *']);
// GdipGetPropertyItem(image, propId, propSize, buffer)
// image : GpImage* in/out -> 'void *'
// propId : DWORD -> 'uint32_t'
// propSize : DWORD -> 'uint32_t'
// buffer : PropertyItem* 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", {
GdipGetPropertyItem: { parameters: ["pointer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetPropertyItem(image, propId, propSize, buffer)
// image : GpImage* in/out -> "pointer"
// propId : DWORD -> "u32"
// propSize : DWORD -> "u32"
// buffer : PropertyItem* 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 GdipGetPropertyItem(
void* image,
uint32_t propId,
uint32_t propSize,
void* buffer);
C, "gdiplus.dll");
// $ffi->GdipGetPropertyItem(image, propId, propSize, buffer);
// image : GpImage* in/out
// propId : DWORD
// propSize : DWORD
// buffer : PropertyItem* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipGetPropertyItem(
Pointer image, // GpImage* in/out
int propId, // DWORD
int propSize, // DWORD
Pointer buffer // PropertyItem* in/out
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipGetPropertyItem = GdipGetPropertyItem(
image : GpImage*, # GpImage* in/out
propId : UInt32, # DWORD
propSize : UInt32, # DWORD
buffer : PropertyItem* # PropertyItem* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipGetPropertyItemNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>);
typedef GdipGetPropertyItemDart = int Function(Pointer<Void>, int, int, Pointer<Void>);
final GdipGetPropertyItem = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipGetPropertyItemNative, GdipGetPropertyItemDart>('GdipGetPropertyItem');
// image : GpImage* in/out -> Pointer<Void>
// propId : DWORD -> Uint32
// propSize : DWORD -> Uint32
// buffer : PropertyItem* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipGetPropertyItem(
image: Pointer; // GpImage* in/out
propId: DWORD; // DWORD
propSize: DWORD; // DWORD
buffer: Pointer // PropertyItem* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetPropertyItem';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipGetPropertyItem"
c_GdipGetPropertyItem :: Ptr () -> Word32 -> Word32 -> Ptr () -> IO Int32
-- image : GpImage* in/out -> Ptr ()
-- propId : DWORD -> Word32
-- propSize : DWORD -> Word32
-- buffer : PropertyItem* 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 gdipgetpropertyitem =
foreign "GdipGetPropertyItem"
((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* image : GpImage* in/out -> (ptr void) *)
(* propId : DWORD -> uint32_t *)
(* propSize : DWORD -> uint32_t *)
(* buffer : PropertyItem* 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 ("GdipGetPropertyItem" gdip-get-property-item :convention :stdcall) :int32
(image :pointer) ; GpImage* in/out
(prop-id :uint32) ; DWORD
(prop-size :uint32) ; DWORD
(buffer :pointer)) ; PropertyItem* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipGetPropertyItem = Win32::API::More->new('gdiplus',
'int GdipGetPropertyItem(LPVOID image, DWORD propId, DWORD propSize, LPVOID buffer)');
# my $ret = $GdipGetPropertyItem->Call($image, $propId, $propSize, $buffer);
# image : GpImage* in/out -> LPVOID
# propId : DWORD -> DWORD
# propSize : DWORD -> DWORD
# buffer : PropertyItem* 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。