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ホームGraphics.GdiPlus › GdipGetLineSpacing

GdipGetLineSpacing

関数
フォントファミリーの行間隔値を取得する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipGetLineSpacing(
    const GpFontFamily* family,
    INT style,
    WORD* LineSpacing
);

パラメーター

名前方向説明
familyGpFontFamily*in対象フォントファミリオブジェクトへのポインタ。
styleINTin計測対象のフォントスタイル(FontStyle)。
LineSpacingWORD*inoutデザイン単位での行間隔を受け取るWORDへのポインタ(出力)。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipGetLineSpacing(
    const GpFontFamily* family,
    INT style,
    WORD* LineSpacing
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetLineSpacing(
    IntPtr family,   // GpFontFamily*
    int style,   // INT
    ref ushort LineSpacing   // WORD* in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetLineSpacing(
    family As IntPtr,   ' GpFontFamily*
    style As Integer,   ' INT
    ByRef LineSpacing As UShort   ' WORD* in/out
) As Integer
End Function
' family : GpFontFamily*
' style : INT
' LineSpacing : WORD* in/out
Declare PtrSafe Function GdipGetLineSpacing Lib "gdiplus" ( _
    ByVal family As LongPtr, _
    ByVal style As Long, _
    ByRef LineSpacing As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GdipGetLineSpacing = ctypes.windll.gdiplus.GdipGetLineSpacing
GdipGetLineSpacing.restype = ctypes.c_int
GdipGetLineSpacing.argtypes = [
    ctypes.c_void_p,  # family : GpFontFamily*
    ctypes.c_int,  # style : INT
    ctypes.POINTER(ctypes.c_ushort),  # LineSpacing : WORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetLineSpacing = Fiddle::Function.new(
  lib['GdipGetLineSpacing'],
  [
    Fiddle::TYPE_VOIDP,  # family : GpFontFamily*
    Fiddle::TYPE_INT,  # style : INT
    Fiddle::TYPE_VOIDP,  # LineSpacing : WORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetLineSpacing(
        family: *const GpFontFamily,  // GpFontFamily*
        style: i32,  // INT
        LineSpacing: *mut u16  // WORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetLineSpacing(IntPtr family, int style, ref ushort LineSpacing);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetLineSpacing' -Namespace Win32 -PassThru
# $api::GdipGetLineSpacing(family, style, LineSpacing)
#uselib "gdiplus.dll"
#func global GdipGetLineSpacing "GdipGetLineSpacing" sptr, sptr, sptr
; GdipGetLineSpacing varptr(family), style, varptr(LineSpacing)   ; 戻り値は stat
; family : GpFontFamily* -> "sptr"
; style : INT -> "sptr"
; LineSpacing : WORD* 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 GdipGetLineSpacing "GdipGetLineSpacing" var, int, var
; res = GdipGetLineSpacing(family, style, LineSpacing)
; family : GpFontFamily* -> "var"
; style : INT -> "int"
; LineSpacing : WORD* 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 GdipGetLineSpacing(GpFontFamily* family, INT style, WORD* LineSpacing)
#uselib "gdiplus.dll"
#cfunc global GdipGetLineSpacing "GdipGetLineSpacing" var, int, var
; res = GdipGetLineSpacing(family, style, LineSpacing)
; family : GpFontFamily* -> "var"
; style : INT -> "int"
; LineSpacing : WORD* 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")
	procGdipGetLineSpacing = gdiplus.NewProc("GdipGetLineSpacing")
)

// family (GpFontFamily*), style (INT), LineSpacing (WORD* in/out)
r1, _, err := procGdipGetLineSpacing.Call(
	uintptr(family),
	uintptr(style),
	uintptr(LineSpacing),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipGetLineSpacing(
  family: Pointer;   // GpFontFamily*
  style: Integer;   // INT
  LineSpacing: Pointer   // WORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetLineSpacing';
result := DllCall("gdiplus\GdipGetLineSpacing"
    , "Ptr", family   ; GpFontFamily*
    , "Int", style   ; INT
    , "Ptr", LineSpacing   ; WORD* in/out
    , "Int")   ; return: Status
●GdipGetLineSpacing(family, style, LineSpacing) = DLL("gdiplus.dll", "int GdipGetLineSpacing(void*, int, void*)")
# 呼び出し: GdipGetLineSpacing(family, style, LineSpacing)
# family : GpFontFamily* -> "void*"
# style : INT -> "int"
# LineSpacing : WORD* 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 GdipGetLineSpacing(
    family: [*c]GpFontFamily, // GpFontFamily*
    style: i32, // INT
    LineSpacing: [*c]u16 // WORD* in/out
) callconv(std.os.windows.WINAPI) i32;
proc GdipGetLineSpacing(
    family: ptr GpFontFamily,  # GpFontFamily*
    style: int32,  # INT
    LineSpacing: ptr uint16  # WORD* in/out
): int32 {.importc: "GdipGetLineSpacing", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipGetLineSpacing(
    GpFontFamily* family,   // GpFontFamily*
    int style,   // INT
    ushort* LineSpacing   // WORD* in/out
);
ccall((:GdipGetLineSpacing, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpFontFamily}, Int32, Ptr{UInt16}),
      family, style, LineSpacing)
# family : GpFontFamily* -> Ptr{GpFontFamily}
# style : INT -> Int32
# LineSpacing : WORD* in/out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetLineSpacing(
    void* family,
    int32_t style,
    uint16_t* LineSpacing);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetLineSpacing(family, style, LineSpacing)
-- family : GpFontFamily*
-- style : INT
-- LineSpacing : WORD* 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 GdipGetLineSpacing = lib.func('__stdcall', 'GdipGetLineSpacing', 'int32_t', ['void *', 'int32_t', 'uint16_t *']);
// GdipGetLineSpacing(family, style, LineSpacing)
// family : GpFontFamily* -> 'void *'
// style : INT -> 'int32_t'
// LineSpacing : WORD* in/out -> 'uint16_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", {
  GdipGetLineSpacing: { parameters: ["pointer", "i32", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetLineSpacing(family, style, LineSpacing)
// family : GpFontFamily* -> "pointer"
// style : INT -> "i32"
// LineSpacing : WORD* 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 GdipGetLineSpacing(
    void* family,
    int32_t style,
    uint16_t* LineSpacing);
C, "gdiplus.dll");
// $ffi->GdipGetLineSpacing(family, style, LineSpacing);
// family : GpFontFamily*
// style : INT
// LineSpacing : WORD* 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 GdipGetLineSpacing(
        Pointer family,   // GpFontFamily*
        int style,   // INT
        ShortByReference LineSpacing   // WORD* in/out
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetLineSpacing = GdipGetLineSpacing(
    family : GpFontFamily*,   # GpFontFamily*
    style : Int32,   # INT
    LineSpacing : UInt16*   # WORD* 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 GdipGetLineSpacingNative = Int32 Function(Pointer<Void>, Int32, Pointer<Uint16>);
typedef GdipGetLineSpacingDart = int Function(Pointer<Void>, int, Pointer<Uint16>);
final GdipGetLineSpacing = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetLineSpacingNative, GdipGetLineSpacingDart>('GdipGetLineSpacing');
// family : GpFontFamily* -> Pointer<Void>
// style : INT -> Int32
// LineSpacing : WORD* in/out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipGetLineSpacing(
  family: Pointer;   // GpFontFamily*
  style: Integer;   // INT
  LineSpacing: Pointer   // WORD* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetLineSpacing';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipGetLineSpacing"
  c_GdipGetLineSpacing :: Ptr () -> Int32 -> Ptr Word16 -> IO Int32
-- family : GpFontFamily* -> Ptr ()
-- style : INT -> Int32
-- LineSpacing : WORD* in/out -> Ptr Word16
-- 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 gdipgetlinespacing =
  foreign "GdipGetLineSpacing"
    ((ptr void) @-> int32_t @-> (ptr uint16_t) @-> returning int32_t)
(* family : GpFontFamily* -> (ptr void) *)
(* style : INT -> int32_t *)
(* LineSpacing : WORD* in/out -> (ptr uint16_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 ("GdipGetLineSpacing" gdip-get-line-spacing :convention :stdcall) :int32
  (family :pointer)   ; GpFontFamily*
  (style :int32)   ; INT
  (line-spacing :pointer))   ; WORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipGetLineSpacing = Win32::API::More->new('gdiplus',
    'int GdipGetLineSpacing(LPVOID family, int style, LPVOID LineSpacing)');
# my $ret = $GdipGetLineSpacing->Call($family, $style, $LineSpacing);
# family : GpFontFamily* -> LPVOID
# style : INT -> int
# LineSpacing : WORD* 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。

関連項目

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