Win32 API 日本語リファレンス
ホームGraphics.Gdi › GetBitmapDimensionEx

GetBitmapDimensionEx

関数
ビットマップに設定された寸法を取得する。
DLLGDI32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// GDI32.dll
#include <windows.h>

BOOL GetBitmapDimensionEx(
    HBITMAP hbit,
    SIZE* lpsize
);

パラメーター

名前方向
hbitHBITMAPin
lpsizeSIZE*out

戻り値の型: BOOL

各言語での呼び出し定義

// GDI32.dll
#include <windows.h>

BOOL GetBitmapDimensionEx(
    HBITMAP hbit,
    SIZE* lpsize
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", ExactSpelling = true)]
static extern bool GetBitmapDimensionEx(
    IntPtr hbit,   // HBITMAP
    IntPtr lpsize   // SIZE* out
);
<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GetBitmapDimensionEx(
    hbit As IntPtr,   ' HBITMAP
    lpsize As IntPtr   ' SIZE* out
) As Boolean
End Function
' hbit : HBITMAP
' lpsize : SIZE* out
Declare PtrSafe Function GetBitmapDimensionEx Lib "gdi32" ( _
    ByVal hbit As LongPtr, _
    ByVal lpsize 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

GetBitmapDimensionEx = ctypes.windll.gdi32.GetBitmapDimensionEx
GetBitmapDimensionEx.restype = wintypes.BOOL
GetBitmapDimensionEx.argtypes = [
    wintypes.HANDLE,  # hbit : HBITMAP
    ctypes.c_void_p,  # lpsize : SIZE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GetBitmapDimensionEx = Fiddle::Function.new(
  lib['GetBitmapDimensionEx'],
  [
    Fiddle::TYPE_VOIDP,  # hbit : HBITMAP
    Fiddle::TYPE_VOIDP,  # lpsize : SIZE* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdi32")]
extern "system" {
    fn GetBitmapDimensionEx(
        hbit: *mut core::ffi::c_void,  // HBITMAP
        lpsize: *mut SIZE  // SIZE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool GetBitmapDimensionEx(IntPtr hbit, IntPtr lpsize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GetBitmapDimensionEx' -Namespace Win32 -PassThru
# $api::GetBitmapDimensionEx(hbit, lpsize)
#uselib "GDI32.dll"
#func global GetBitmapDimensionEx "GetBitmapDimensionEx" sptr, sptr
; GetBitmapDimensionEx hbit, varptr(lpsize)   ; 戻り値は stat
; hbit : HBITMAP -> "sptr"
; lpsize : SIZE* 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 "GDI32.dll"
#cfunc global GetBitmapDimensionEx "GetBitmapDimensionEx" sptr, var
; res = GetBitmapDimensionEx(hbit, lpsize)
; hbit : HBITMAP -> "sptr"
; lpsize : SIZE* 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:
; BOOL GetBitmapDimensionEx(HBITMAP hbit, SIZE* lpsize)
#uselib "GDI32.dll"
#cfunc global GetBitmapDimensionEx "GetBitmapDimensionEx" intptr, var
; res = GetBitmapDimensionEx(hbit, lpsize)
; hbit : HBITMAP -> "intptr"
; lpsize : SIZE* 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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procGetBitmapDimensionEx = gdi32.NewProc("GetBitmapDimensionEx")
)

// hbit (HBITMAP), lpsize (SIZE* out)
r1, _, err := procGetBitmapDimensionEx.Call(
	uintptr(hbit),
	uintptr(lpsize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function GetBitmapDimensionEx(
  hbit: THandle;   // HBITMAP
  lpsize: Pointer   // SIZE* out
): BOOL; stdcall;
  external 'GDI32.dll' name 'GetBitmapDimensionEx';
result := DllCall("GDI32\GetBitmapDimensionEx"
    , "Ptr", hbit   ; HBITMAP
    , "Ptr", lpsize   ; SIZE* out
    , "Int")   ; return: BOOL
●GetBitmapDimensionEx(hbit, lpsize) = DLL("GDI32.dll", "bool GetBitmapDimensionEx(void*, void*)")
# 呼び出し: GetBitmapDimensionEx(hbit, lpsize)
# hbit : HBITMAP -> "void*"
# lpsize : SIZE* 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)。