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

GdipFillEllipse

関数
指定ブラシで楕円の内部を塗りつぶす。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipFillEllipse(
    GpGraphics* graphics,
    GpBrush* brush,
    FLOAT x,
    FLOAT y,
    FLOAT width,
    FLOAT height
);

パラメーター

名前方向説明
graphicsGpGraphics*inout描画先のGDI+グラフィックスオブジェクトへのポインタ。
brushGpBrush*inout塗りつぶしに用いるブラシオブジェクトへのポインタ。
xFLOATin外接矩形左上隅のX座標(浮動小数)。
yFLOATin外接矩形左上隅のY座標(浮動小数)。
widthFLOATin外接矩形の幅(浮動小数)。
heightFLOATin外接矩形の高さ(浮動小数)。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipFillEllipse(
    GpGraphics* graphics,
    GpBrush* brush,
    FLOAT x,
    FLOAT y,
    FLOAT width,
    FLOAT height
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipFillEllipse(
    IntPtr graphics,   // GpGraphics* in/out
    IntPtr brush,   // GpBrush* in/out
    float x,   // FLOAT
    float y,   // FLOAT
    float width,   // FLOAT
    float height   // FLOAT
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipFillEllipse(
    graphics As IntPtr,   ' GpGraphics* in/out
    brush As IntPtr,   ' GpBrush* in/out
    x As Single,   ' FLOAT
    y As Single,   ' FLOAT
    width As Single,   ' FLOAT
    height As Single   ' FLOAT
) As Integer
End Function
' graphics : GpGraphics* in/out
' brush : GpBrush* in/out
' x : FLOAT
' y : FLOAT
' width : FLOAT
' height : FLOAT
Declare PtrSafe Function GdipFillEllipse Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal brush As LongPtr, _
    ByVal x As Single, _
    ByVal y As Single, _
    ByVal width As Single, _
    ByVal height As Single) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GdipFillEllipse = ctypes.windll.gdiplus.GdipFillEllipse
GdipFillEllipse.restype = ctypes.c_int
GdipFillEllipse.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # brush : GpBrush* in/out
    ctypes.c_float,  # x : FLOAT
    ctypes.c_float,  # y : FLOAT
    ctypes.c_float,  # width : FLOAT
    ctypes.c_float,  # height : FLOAT
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipFillEllipse = Fiddle::Function.new(
  lib['GdipFillEllipse'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # brush : GpBrush* in/out
    Fiddle::TYPE_FLOAT,  # x : FLOAT
    Fiddle::TYPE_FLOAT,  # y : FLOAT
    Fiddle::TYPE_FLOAT,  # width : FLOAT
    Fiddle::TYPE_FLOAT,  # height : FLOAT
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipFillEllipse(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        brush: *mut GpBrush,  // GpBrush* in/out
        x: f32,  // FLOAT
        y: f32,  // FLOAT
        width: f32,  // FLOAT
        height: f32  // FLOAT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipFillEllipse(IntPtr graphics, IntPtr brush, float x, float y, float width, float height);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipFillEllipse' -Namespace Win32 -PassThru
# $api::GdipFillEllipse(graphics, brush, x, y, width, height)
#uselib "gdiplus.dll"
#func global GdipFillEllipse "GdipFillEllipse" sptr, sptr, float, float, float, float
; GdipFillEllipse varptr(graphics), varptr(brush), x, y, width, height   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; brush : GpBrush* in/out -> "sptr"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; width : FLOAT -> "float"
; height : FLOAT -> "float"
; ※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 GdipFillEllipse "GdipFillEllipse" var, var, float, float, float, float
; res = GdipFillEllipse(graphics, brush, x, y, width, height)
; graphics : GpGraphics* in/out -> "var"
; brush : GpBrush* in/out -> "var"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; width : FLOAT -> "float"
; height : FLOAT -> "float"
; ※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 GdipFillEllipse(GpGraphics* graphics, GpBrush* brush, FLOAT x, FLOAT y, FLOAT width, FLOAT height)
#uselib "gdiplus.dll"
#cfunc global GdipFillEllipse "GdipFillEllipse" var, var, float, float, float, float
; res = GdipFillEllipse(graphics, brush, x, y, width, height)
; graphics : GpGraphics* in/out -> "var"
; brush : GpBrush* in/out -> "var"
; x : FLOAT -> "float"
; y : FLOAT -> "float"
; width : FLOAT -> "float"
; height : FLOAT -> "float"
; ※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 (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipFillEllipse = gdiplus.NewProc("GdipFillEllipse")
)

// graphics (GpGraphics* in/out), brush (GpBrush* in/out), x (FLOAT), y (FLOAT), width (FLOAT), height (FLOAT)
r1, _, err := procGdipFillEllipse.Call(
	uintptr(graphics),
	uintptr(brush),
	uintptr(math.Float32bits(x)),
	uintptr(math.Float32bits(y)),
	uintptr(math.Float32bits(width)),
	uintptr(math.Float32bits(height)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。
function GdipFillEllipse(
  graphics: Pointer;   // GpGraphics* in/out
  brush: Pointer;   // GpBrush* in/out
  x: Single;   // FLOAT
  y: Single;   // FLOAT
  width: Single;   // FLOAT
  height: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipFillEllipse';
result := DllCall("gdiplus\GdipFillEllipse"
    , "Ptr", graphics   ; GpGraphics* in/out
    , "Ptr", brush   ; GpBrush* in/out
    , "Float", x   ; FLOAT
    , "Float", y   ; FLOAT
    , "Float", width   ; FLOAT
    , "Float", height   ; FLOAT
    , "Int")   ; return: Status
●GdipFillEllipse(graphics, brush, x, y, width, height) = DLL("gdiplus.dll", "int GdipFillEllipse(void*, void*, float, float, float, float)")
# 呼び出し: GdipFillEllipse(graphics, brush, x, y, width, height)
# graphics : GpGraphics* in/out -> "void*"
# brush : GpBrush* in/out -> "void*"
# x : FLOAT -> "float"
# y : FLOAT -> "float"
# width : FLOAT -> "float"
# height : FLOAT -> "float"
# 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 GdipFillEllipse(
    graphics: [*c]GpGraphics, // GpGraphics* in/out
    brush: [*c]GpBrush, // GpBrush* in/out
    x: f32, // FLOAT
    y: f32, // FLOAT
    width: f32, // FLOAT
    height: f32 // FLOAT
) callconv(std.os.windows.WINAPI) i32;
proc GdipFillEllipse(
    graphics: ptr GpGraphics,  # GpGraphics* in/out
    brush: ptr GpBrush,  # GpBrush* in/out
    x: float32,  # FLOAT
    y: float32,  # FLOAT
    width: float32,  # FLOAT
    height: float32  # FLOAT
): int32 {.importc: "GdipFillEllipse", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipFillEllipse(
    GpGraphics* graphics,   // GpGraphics* in/out
    GpBrush* brush,   // GpBrush* in/out
    float x,   // FLOAT
    float y,   // FLOAT
    float width,   // FLOAT
    float height   // FLOAT
);
ccall((:GdipFillEllipse, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpGraphics}, Ptr{GpBrush}, Float32, Float32, Float32, Float32),
      graphics, brush, x, y, width, height)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# brush : GpBrush* in/out -> Ptr{GpBrush}
# x : FLOAT -> Float32
# y : FLOAT -> Float32
# width : FLOAT -> Float32
# height : FLOAT -> Float32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipFillEllipse(
    void* graphics,
    void* brush,
    float x,
    float y,
    float width,
    float height);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipFillEllipse(graphics, brush, x, y, width, height)
-- graphics : GpGraphics* in/out
-- brush : GpBrush* in/out
-- x : FLOAT
-- y : FLOAT
-- width : FLOAT
-- height : FLOAT
-- 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 GdipFillEllipse = lib.func('__stdcall', 'GdipFillEllipse', 'int32_t', ['void *', 'void *', 'float', 'float', 'float', 'float']);
// GdipFillEllipse(graphics, brush, x, y, width, height)
// graphics : GpGraphics* in/out -> 'void *'
// brush : GpBrush* in/out -> 'void *'
// x : FLOAT -> 'float'
// y : FLOAT -> 'float'
// width : FLOAT -> 'float'
// height : FLOAT -> 'float'
// 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", {
  GdipFillEllipse: { parameters: ["pointer", "pointer", "f32", "f32", "f32", "f32"], result: "i32" },
});
// lib.symbols.GdipFillEllipse(graphics, brush, x, y, width, height)
// graphics : GpGraphics* in/out -> "pointer"
// brush : GpBrush* in/out -> "pointer"
// x : FLOAT -> "f32"
// y : FLOAT -> "f32"
// width : FLOAT -> "f32"
// height : FLOAT -> "f32"
// 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 GdipFillEllipse(
    void* graphics,
    void* brush,
    float x,
    float y,
    float width,
    float height);
C, "gdiplus.dll");
// $ffi->GdipFillEllipse(graphics, brush, x, y, width, height);
// graphics : GpGraphics* in/out
// brush : GpBrush* in/out
// x : FLOAT
// y : FLOAT
// width : FLOAT
// height : FLOAT
// 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 GdipFillEllipse(
        Pointer graphics,   // GpGraphics* in/out
        Pointer brush,   // GpBrush* in/out
        float x,   // FLOAT
        float y,   // FLOAT
        float width,   // FLOAT
        float height   // FLOAT
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipFillEllipse = GdipFillEllipse(
    graphics : GpGraphics*,   # GpGraphics* in/out
    brush : GpBrush*,   # GpBrush* in/out
    x : Float32,   # FLOAT
    y : Float32,   # FLOAT
    width : Float32,   # FLOAT
    height : Float32   # FLOAT
  ) : 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 GdipFillEllipseNative = Int32 Function(Pointer<Void>, Pointer<Void>, Float, Float, Float, Float);
typedef GdipFillEllipseDart = int Function(Pointer<Void>, Pointer<Void>, double, double, double, double);
final GdipFillEllipse = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipFillEllipseNative, GdipFillEllipseDart>('GdipFillEllipse');
// graphics : GpGraphics* in/out -> Pointer<Void>
// brush : GpBrush* in/out -> Pointer<Void>
// x : FLOAT -> Float
// y : FLOAT -> Float
// width : FLOAT -> Float
// height : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipFillEllipse(
  graphics: Pointer;   // GpGraphics* in/out
  brush: Pointer;   // GpBrush* in/out
  x: Single;   // FLOAT
  y: Single;   // FLOAT
  width: Single;   // FLOAT
  height: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipFillEllipse';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipFillEllipse"
  c_GdipFillEllipse :: Ptr () -> Ptr () -> CFloat -> CFloat -> CFloat -> CFloat -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- brush : GpBrush* in/out -> Ptr ()
-- x : FLOAT -> CFloat
-- y : FLOAT -> CFloat
-- width : FLOAT -> CFloat
-- height : FLOAT -> CFloat
-- 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 gdipfillellipse =
  foreign "GdipFillEllipse"
    ((ptr void) @-> (ptr void) @-> float @-> float @-> float @-> float @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* brush : GpBrush* in/out -> (ptr void) *)
(* x : FLOAT -> float *)
(* y : FLOAT -> float *)
(* width : FLOAT -> float *)
(* height : FLOAT -> float *)
(* 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 ("GdipFillEllipse" gdip-fill-ellipse :convention :stdcall) :int32
  (graphics :pointer)   ; GpGraphics* in/out
  (brush :pointer)   ; GpBrush* in/out
  (x :float)   ; FLOAT
  (y :float)   ; FLOAT
  (width :float)   ; FLOAT
  (height :float))   ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipFillEllipse = Win32::API::More->new('gdiplus',
    'int GdipFillEllipse(LPVOID graphics, LPVOID brush, float x, float y, float width, float height)');
# my $ret = $GdipFillEllipse->Call($graphics, $brush, $x, $y, $width, $height);
# graphics : GpGraphics* in/out -> LPVOID
# brush : GpBrush* in/out -> LPVOID
# x : FLOAT -> float
# y : FLOAT -> float
# width : FLOAT -> float
# height : FLOAT -> float
# 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

使用する型