Win32 API 日本語リファレンス
ホームGraphics.GdiPlus › GdipCreateFontFromLogfontA

GdipCreateFontFromLogfontA

関数
LOGFONT構造体からフォントオブジェクトを作成する(ANSI版)。
DLLgdiplus.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// gdiplus.dll  (ANSI / -A)
#include <windows.h>

Status GdipCreateFontFromLogfontA(
    HDC hdc,
    const LOGFONTA* logfont,
    GpFont** font
);

パラメーター

名前方向
hdcHDCin
logfontLOGFONTA*in
fontGpFont**inout

戻り値の型: Status

各言語での呼び出し定義

// gdiplus.dll  (ANSI / -A)
#include <windows.h>

Status GdipCreateFontFromLogfontA(
    HDC hdc,
    const LOGFONTA* logfont,
    GpFont** font
);
[DllImport("gdiplus.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int GdipCreateFontFromLogfontA(
    IntPtr hdc,   // HDC
    IntPtr logfont,   // LOGFONTA*
    IntPtr font   // GpFont** in/out
);
<DllImport("gdiplus.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function GdipCreateFontFromLogfontA(
    hdc As IntPtr,   ' HDC
    logfont As IntPtr,   ' LOGFONTA*
    font As IntPtr   ' GpFont** in/out
) As Integer
End Function
' hdc : HDC
' logfont : LOGFONTA*
' font : GpFont** in/out
Declare PtrSafe Function GdipCreateFontFromLogfontA Lib "gdiplus" ( _
    ByVal hdc As LongPtr, _
    ByVal logfont As LongPtr, _
    ByVal font 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

GdipCreateFontFromLogfontA = ctypes.windll.gdiplus.GdipCreateFontFromLogfontA
GdipCreateFontFromLogfontA.restype = ctypes.c_int
GdipCreateFontFromLogfontA.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    ctypes.c_void_p,  # logfont : LOGFONTA*
    ctypes.c_void_p,  # font : GpFont** in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateFontFromLogfontA = Fiddle::Function.new(
  lib['GdipCreateFontFromLogfontA'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # logfont : LOGFONTA*
    Fiddle::TYPE_VOIDP,  # font : GpFont** in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateFontFromLogfontA(
        hdc: *mut core::ffi::c_void,  // HDC
        logfont: *const LOGFONTA,  // LOGFONTA*
        font: *mut *mut GpFont  // GpFont** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll", CharSet = CharSet.Ansi)]
public static extern int GdipCreateFontFromLogfontA(IntPtr hdc, IntPtr logfont, IntPtr font);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateFontFromLogfontA' -Namespace Win32 -PassThru
# $api::GdipCreateFontFromLogfontA(hdc, logfont, font)
#uselib "gdiplus.dll"
#func global GdipCreateFontFromLogfontA "GdipCreateFontFromLogfontA" sptr, sptr, sptr
; GdipCreateFontFromLogfontA hdc, varptr(logfont), varptr(font)   ; 戻り値は stat
; hdc : HDC -> "sptr"
; logfont : LOGFONTA* -> "sptr"
; font : GpFont** 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 GdipCreateFontFromLogfontA "GdipCreateFontFromLogfontA" sptr, var, var
; res = GdipCreateFontFromLogfontA(hdc, logfont, font)
; hdc : HDC -> "sptr"
; logfont : LOGFONTA* -> "var"
; font : GpFont** 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 GdipCreateFontFromLogfontA(HDC hdc, LOGFONTA* logfont, GpFont** font)
#uselib "gdiplus.dll"
#cfunc global GdipCreateFontFromLogfontA "GdipCreateFontFromLogfontA" intptr, var, var
; res = GdipCreateFontFromLogfontA(hdc, logfont, font)
; hdc : HDC -> "intptr"
; logfont : LOGFONTA* -> "var"
; font : GpFont** 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")
	procGdipCreateFontFromLogfontA = gdiplus.NewProc("GdipCreateFontFromLogfontA")
)

// hdc (HDC), logfont (LOGFONTA*), font (GpFont** in/out)
r1, _, err := procGdipCreateFontFromLogfontA.Call(
	uintptr(hdc),
	uintptr(logfont),
	uintptr(font),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipCreateFontFromLogfontA(
  hdc: THandle;   // HDC
  logfont: Pointer;   // LOGFONTA*
  font: Pointer   // GpFont** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateFontFromLogfontA';
result := DllCall("gdiplus\GdipCreateFontFromLogfontA"
    , "Ptr", hdc   ; HDC
    , "Ptr", logfont   ; LOGFONTA*
    , "Ptr", font   ; GpFont** in/out
    , "Int")   ; return: Status
●GdipCreateFontFromLogfontA(hdc, logfont, font) = DLL("gdiplus.dll", "int GdipCreateFontFromLogfontA(void*, void*, void*)")
# 呼び出し: GdipCreateFontFromLogfontA(hdc, logfont, font)
# hdc : HDC -> "void*"
# logfont : LOGFONTA* -> "void*"
# font : GpFont** 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)。