GdipDrawString

関数

指定矩形内に文字列を描画する。

DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipDrawString(
    GpGraphics* graphics,
    LPCWSTR string,
    INT length,
    const GpFont* font,
    const RectF* layoutRect,
    const GpStringFormat* stringFormat,
    const GpBrush* brush
);

パラメーター

名前	型	方向	説明
graphics	GpGraphics*	inout	描画先のGpGraphicsオブジェクトへのポインタ。
string	LPCWSTR	in	描画する文字列を示すワイド文字列。
length	INT	in	文字列の長さ(文字数)。-1指定でNULL終端まで描画する。
font	GpFont*	in	描画に使用するGpFontオブジェクトへのポインタ。
layoutRect	RectF*	in	文字列を配置する矩形領域を示すRectF構造体へのポインタ。
stringFormat	GpStringFormat*	in	配置や折り返し等を制御するGpStringFormatへのポインタ。NULL可。
brush	GpBrush*	in	文字の塗りつぶしに使用するGpBrushオブジェクトへのポインタ。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipDrawString(
    GpGraphics* graphics,
    LPCWSTR string,
    INT length,
    const GpFont* font,
    const RectF* layoutRect,
    const GpStringFormat* stringFormat,
    const GpBrush* brush
);

[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawString(
    IntPtr graphics,   // GpGraphics* in/out
    [MarshalAs(UnmanagedType.LPWStr)] string string,   // LPCWSTR
    int length,   // INT
    IntPtr font,   // GpFont*
    IntPtr layoutRect,   // RectF*
    IntPtr stringFormat,   // GpStringFormat*
    IntPtr brush   // GpBrush*
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawString(
    graphics As IntPtr,   ' GpGraphics* in/out
    <MarshalAs(UnmanagedType.LPWStr)> [string] As String,   ' LPCWSTR
    length As Integer,   ' INT
    font As IntPtr,   ' GpFont*
    layoutRect As IntPtr,   ' RectF*
    stringFormat As IntPtr,   ' GpStringFormat*
    brush As IntPtr   ' GpBrush*
) As Integer
End Function

' graphics : GpGraphics* in/out
' string : LPCWSTR
' length : INT
' font : GpFont*
' layoutRect : RectF*
' stringFormat : GpStringFormat*
' brush : GpBrush*
Declare PtrSafe Function GdipDrawString Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal string As LongPtr, _
    ByVal length As Long, _
    ByVal font As LongPtr, _
    ByVal layoutRect As LongPtr, _
    ByVal stringFormat As LongPtr, _
    ByVal brush 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

GdipDrawString = ctypes.windll.gdiplus.GdipDrawString
GdipDrawString.restype = ctypes.c_int
GdipDrawString.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    wintypes.LPCWSTR,  # string : LPCWSTR
    ctypes.c_int,  # length : INT
    ctypes.c_void_p,  # font : GpFont*
    ctypes.c_void_p,  # layoutRect : RectF*
    ctypes.c_void_p,  # stringFormat : GpStringFormat*
    ctypes.c_void_p,  # brush : GpBrush*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawString = Fiddle::Function.new(
  lib['GdipDrawString'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # string : LPCWSTR
    Fiddle::TYPE_INT,  # length : INT
    Fiddle::TYPE_VOIDP,  # font : GpFont*
    Fiddle::TYPE_VOIDP,  # layoutRect : RectF*
    Fiddle::TYPE_VOIDP,  # stringFormat : GpStringFormat*
    Fiddle::TYPE_VOIDP,  # brush : GpBrush*
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipDrawString(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        string: *const u16,  // LPCWSTR
        length: i32,  // INT
        font: *const GpFont,  // GpFont*
        layoutRect: *const RectF,  // RectF*
        stringFormat: *const GpStringFormat,  // GpStringFormat*
        brush: *const GpBrush  // GpBrush*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawString(IntPtr graphics, [MarshalAs(UnmanagedType.LPWStr)] string string, int length, IntPtr font, IntPtr layoutRect, IntPtr stringFormat, IntPtr brush);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawString' -Namespace Win32 -PassThru
# $api::GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)

#uselib "gdiplus.dll"
#func global GdipDrawString "GdipDrawString" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GdipDrawString varptr(graphics), string, length, varptr(font), varptr(layoutRect), varptr(stringFormat), varptr(brush)   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; string : LPCWSTR -> "sptr"
; length : INT -> "sptr"
; font : GpFont* -> "sptr"
; layoutRect : RectF* -> "sptr"
; stringFormat : GpStringFormat* -> "sptr"
; brush : GpBrush* -> "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 GdipDrawString "GdipDrawString" var, wstr, int, var, var, var, var
; res = GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
; graphics : GpGraphics* in/out -> "var"
; string : LPCWSTR -> "wstr"
; length : INT -> "int"
; font : GpFont* -> "var"
; layoutRect : RectF* -> "var"
; stringFormat : GpStringFormat* -> "var"
; brush : GpBrush* -> "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 GdipDrawString "GdipDrawString" sptr, wstr, int, sptr, sptr, sptr, sptr
; res = GdipDrawString(varptr(graphics), string, length, varptr(font), varptr(layoutRect), varptr(stringFormat), varptr(brush))
; graphics : GpGraphics* in/out -> "sptr"
; string : LPCWSTR -> "wstr"
; length : INT -> "int"
; font : GpFont* -> "sptr"
; layoutRect : RectF* -> "sptr"
; stringFormat : GpStringFormat* -> "sptr"
; brush : GpBrush* -> "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 GdipDrawString(GpGraphics* graphics, LPCWSTR string, INT length, GpFont* font, RectF* layoutRect, GpStringFormat* stringFormat, GpBrush* brush)
#uselib "gdiplus.dll"
#cfunc global GdipDrawString "GdipDrawString" var, wstr, int, var, var, var, var
; res = GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
; graphics : GpGraphics* in/out -> "var"
; string : LPCWSTR -> "wstr"
; length : INT -> "int"
; font : GpFont* -> "var"
; layoutRect : RectF* -> "var"
; stringFormat : GpStringFormat* -> "var"
; brush : GpBrush* -> "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 GdipDrawString(GpGraphics* graphics, LPCWSTR string, INT length, GpFont* font, RectF* layoutRect, GpStringFormat* stringFormat, GpBrush* brush)
#uselib "gdiplus.dll"
#cfunc global GdipDrawString "GdipDrawString" intptr, wstr, int, intptr, intptr, intptr, intptr
; res = GdipDrawString(varptr(graphics), string, length, varptr(font), varptr(layoutRect), varptr(stringFormat), varptr(brush))
; graphics : GpGraphics* in/out -> "intptr"
; string : LPCWSTR -> "wstr"
; length : INT -> "int"
; font : GpFont* -> "intptr"
; layoutRect : RectF* -> "intptr"
; stringFormat : GpStringFormat* -> "intptr"
; brush : GpBrush* -> "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")
	procGdipDrawString = gdiplus.NewProc("GdipDrawString")
)

// graphics (GpGraphics* in/out), string (LPCWSTR), length (INT), font (GpFont*), layoutRect (RectF*), stringFormat (GpStringFormat*), brush (GpBrush*)
r1, _, err := procGdipDrawString.Call(
	uintptr(graphics),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(string))),
	uintptr(length),
	uintptr(font),
	uintptr(layoutRect),
	uintptr(stringFormat),
	uintptr(brush),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipDrawString(
  graphics: Pointer;   // GpGraphics* in/out
  string: PWideChar;   // LPCWSTR
  length: Integer;   // INT
  font: Pointer;   // GpFont*
  layoutRect: Pointer;   // RectF*
  stringFormat: Pointer;   // GpStringFormat*
  brush: Pointer   // GpBrush*
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawString';

result := DllCall("gdiplus\GdipDrawString"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "WStr", string   ; LPCWSTR
    , "Int", length   ; INT
    , "Ptr", font   ; GpFont*
    , "Ptr", layoutRect   ; RectF*
    , "Ptr", stringFormat   ; GpStringFormat*
    , "Ptr", brush   ; GpBrush*
    , "Int")   ; return: Status

●GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush) = DLL("gdiplus.dll", "int GdipDrawString(void*, char*, int, void*, void*, void*, void*)")
# 呼び出し: GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
# graphics : GpGraphics* in/out -> "void*"
# string : LPCWSTR -> "char*"
# length : INT -> "int"
# font : GpFont* -> "void*"
# layoutRect : RectF* -> "void*"
# stringFormat : GpStringFormat* -> "void*"
# brush : GpBrush* -> "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 GdipDrawString(
    graphics: [*c]GpGraphics, // GpGraphics* in/out
    string: [*c]const u16, // LPCWSTR
    length: i32, // INT
    font: [*c]GpFont, // GpFont*
    layoutRect: [*c]RectF, // RectF*
    stringFormat: [*c]GpStringFormat, // GpStringFormat*
    brush: [*c]GpBrush // GpBrush*
) callconv(std.os.windows.WINAPI) i32;

proc GdipDrawString(
    graphics: ptr GpGraphics,  # GpGraphics* in/out
    string: WideCString,  # LPCWSTR
    length: int32,  # INT
    font: ptr GpFont,  # GpFont*
    layoutRect: ptr RectF,  # RectF*
    stringFormat: ptr GpStringFormat,  # GpStringFormat*
    brush: ptr GpBrush  # GpBrush*
): int32 {.importc: "GdipDrawString", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawString(
    GpGraphics* graphics,   // GpGraphics* in/out
    const(wchar)* string,   // LPCWSTR
    int length,   // INT
    GpFont* font,   // GpFont*
    RectF* layoutRect,   // RectF*
    GpStringFormat* stringFormat,   // GpStringFormat*
    GpBrush* brush   // GpBrush*
);

ccall((:GdipDrawString, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpGraphics}, Cwstring, Int32, Ptr{GpFont}, Ptr{RectF}, Ptr{GpStringFormat}, Ptr{GpBrush}),
      graphics, string, length, font, layoutRect, stringFormat, brush)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# string : LPCWSTR -> Cwstring
# length : INT -> Int32
# font : GpFont* -> Ptr{GpFont}
# layoutRect : RectF* -> Ptr{RectF}
# stringFormat : GpStringFormat* -> Ptr{GpStringFormat}
# brush : GpBrush* -> Ptr{GpBrush}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipDrawString(
    void* graphics,
    const uint16_t* string,
    int32_t length,
    void* font,
    void* layoutRect,
    void* stringFormat,
    void* brush);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
-- graphics : GpGraphics* in/out
-- string : LPCWSTR
-- length : INT
-- font : GpFont*
-- layoutRect : RectF*
-- stringFormat : GpStringFormat*
-- brush : GpBrush*
-- 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 GdipDrawString = lib.func('__stdcall', 'GdipDrawString', 'int32_t', ['void *', 'str16', 'int32_t', 'void *', 'void *', 'void *', 'void *']);
// GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
// graphics : GpGraphics* in/out -> 'void *'
// string : LPCWSTR -> 'str16'
// length : INT -> 'int32_t'
// font : GpFont* -> 'void *'
// layoutRect : RectF* -> 'void *'
// stringFormat : GpStringFormat* -> 'void *'
// brush : GpBrush* -> '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", {
  GdipDrawString: { parameters: ["pointer", "buffer", "i32", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush)
// graphics : GpGraphics* in/out -> "pointer"
// string : LPCWSTR -> "buffer"
// length : INT -> "i32"
// font : GpFont* -> "pointer"
// layoutRect : RectF* -> "pointer"
// stringFormat : GpStringFormat* -> "pointer"
// brush : GpBrush* -> "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 GdipDrawString(
    void* graphics,
    const uint16_t* string,
    int32_t length,
    void* font,
    void* layoutRect,
    void* stringFormat,
    void* brush);
C, "gdiplus.dll");
// $ffi->GdipDrawString(graphics, string, length, font, layoutRect, stringFormat, brush);
// graphics : GpGraphics* in/out
// string : LPCWSTR
// length : INT
// font : GpFont*
// layoutRect : RectF*
// stringFormat : GpStringFormat*
// brush : GpBrush*
// 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 GdipDrawString(
        Pointer graphics,   // GpGraphics* in/out
        WString string,   // LPCWSTR
        int length,   // INT
        Pointer font,   // GpFont*
        Pointer layoutRect,   // RectF*
        Pointer stringFormat,   // GpStringFormat*
        Pointer brush   // GpBrush*
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipDrawString = GdipDrawString(
    graphics : GpGraphics*,   # GpGraphics* in/out
    string : UInt16*,   # LPCWSTR
    length : Int32,   # INT
    font : GpFont*,   # GpFont*
    layoutRect : RectF*,   # RectF*
    stringFormat : GpStringFormat*,   # GpStringFormat*
    brush : GpBrush*   # GpBrush*
  ) : 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 GdipDrawStringNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Int32, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef GdipDrawStringDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final GdipDrawString = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipDrawStringNative, GdipDrawStringDart>('GdipDrawString');
// graphics : GpGraphics* in/out -> Pointer<Void>
// string : LPCWSTR -> Pointer<Utf16>
// length : INT -> Int32
// font : GpFont* -> Pointer<Void>
// layoutRect : RectF* -> Pointer<Void>
// stringFormat : GpStringFormat* -> Pointer<Void>
// brush : GpBrush* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipDrawString(
  graphics: Pointer;   // GpGraphics* in/out
  string: PWideChar;   // LPCWSTR
  length: Integer;   // INT
  font: Pointer;   // GpFont*
  layoutRect: Pointer;   // RectF*
  stringFormat: Pointer;   // GpStringFormat*
  brush: Pointer   // GpBrush*
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipDrawString';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipDrawString"
  c_GdipDrawString :: Ptr () -> CWString -> Int32 -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- string : LPCWSTR -> CWString
-- length : INT -> Int32
-- font : GpFont* -> Ptr ()
-- layoutRect : RectF* -> Ptr ()
-- stringFormat : GpStringFormat* -> Ptr ()
-- brush : GpBrush* -> 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 gdipdrawstring =
  foreign "GdipDrawString"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* string : LPCWSTR -> (ptr uint16_t) *)
(* length : INT -> int32_t *)
(* font : GpFont* -> (ptr void) *)
(* layoutRect : RectF* -> (ptr void) *)
(* stringFormat : GpStringFormat* -> (ptr void) *)
(* brush : GpBrush* -> (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 ("GdipDrawString" gdip-draw-string :convention :stdcall) :int32
  (graphics :pointer)   ; GpGraphics* in/out
  (string (:string :encoding :utf-16le))   ; LPCWSTR
  (length :int32)   ; INT
  (font :pointer)   ; GpFont*
  (layout-rect :pointer)   ; RectF*
  (string-format :pointer)   ; GpStringFormat*
  (brush :pointer))   ; GpBrush*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipDrawString = Win32::API::More->new('gdiplus',
    'int GdipDrawString(LPVOID graphics, LPCWSTR string, int length, LPVOID font, LPVOID layoutRect, LPVOID stringFormat, LPVOID brush)');
# my $ret = $GdipDrawString->Call($graphics, $string, $length, $font, $layoutRect, $stringFormat, $brush);
# graphics : GpGraphics* in/out -> LPVOID
# string : LPCWSTR -> LPCWSTR
# length : INT -> int
# font : GpFont* -> LPVOID
# layoutRect : RectF* -> LPVOID
# stringFormat : GpStringFormat* -> LPVOID
# brush : GpBrush* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

GdipDrawString

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目