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ホームGraphics.GdiPlus › GdipDrawPath

GdipDrawPath

関数
指定ペンでパスの輪郭を描画する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipDrawPath(
    GpGraphics* graphics,
    GpPen* pen,
    GpPath* path
);

パラメーター

名前方向説明
graphicsGpGraphics*inout描画先のGpGraphicsオブジェクトへのポインタ。
penGpPen*inoutパスの輪郭線の色や幅を定めるGpPenオブジェクトへのポインタ。
pathGpPath*inout描画する図形を保持するGpPath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 GdipDrawPath(
    GpGraphics* graphics,
    GpPen* pen,
    GpPath* path
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawPath(
    IntPtr graphics,   // GpGraphics* in/out
    IntPtr pen,   // GpPen* in/out
    IntPtr path   // GpPath* in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawPath(
    graphics As IntPtr,   ' GpGraphics* in/out
    pen As IntPtr,   ' GpPen* in/out
    path As IntPtr   ' GpPath* in/out
) As Integer
End Function
' graphics : GpGraphics* in/out
' pen : GpPen* in/out
' path : GpPath* in/out
Declare PtrSafe Function GdipDrawPath Lib "gdiplus" ( _
    ByVal graphics As LongPtr, _
    ByVal pen As LongPtr, _
    ByVal path 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

GdipDrawPath = ctypes.windll.gdiplus.GdipDrawPath
GdipDrawPath.restype = ctypes.c_int
GdipDrawPath.argtypes = [
    ctypes.c_void_p,  # graphics : GpGraphics* in/out
    ctypes.c_void_p,  # pen : GpPen* in/out
    ctypes.c_void_p,  # path : GpPath* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawPath = Fiddle::Function.new(
  lib['GdipDrawPath'],
  [
    Fiddle::TYPE_VOIDP,  # graphics : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # pen : GpPen* in/out
    Fiddle::TYPE_VOIDP,  # path : GpPath* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipDrawPath(
        graphics: *mut GpGraphics,  // GpGraphics* in/out
        pen: *mut GpPen,  // GpPen* in/out
        path: *mut GpPath  // GpPath* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawPath(IntPtr graphics, IntPtr pen, IntPtr path);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawPath' -Namespace Win32 -PassThru
# $api::GdipDrawPath(graphics, pen, path)
#uselib "gdiplus.dll"
#func global GdipDrawPath "GdipDrawPath" sptr, sptr, sptr
; GdipDrawPath varptr(graphics), varptr(pen), varptr(path)   ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; pen : GpPen* in/out -> "sptr"
; path : GpPath* 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 GdipDrawPath "GdipDrawPath" var, var, var
; res = GdipDrawPath(graphics, pen, path)
; graphics : GpGraphics* in/out -> "var"
; pen : GpPen* in/out -> "var"
; path : GpPath* 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 GdipDrawPath(GpGraphics* graphics, GpPen* pen, GpPath* path)
#uselib "gdiplus.dll"
#cfunc global GdipDrawPath "GdipDrawPath" var, var, var
; res = GdipDrawPath(graphics, pen, path)
; graphics : GpGraphics* in/out -> "var"
; pen : GpPen* in/out -> "var"
; path : GpPath* 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")
	procGdipDrawPath = gdiplus.NewProc("GdipDrawPath")
)

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

foreign import stdcall safe "GdipDrawPath"
  c_GdipDrawPath :: Ptr () -> Ptr () -> Ptr () -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- pen : GpPen* in/out -> Ptr ()
-- path : GpPath* in/out -> 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 gdipdrawpath =
  foreign "GdipDrawPath"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* pen : GpPen* in/out -> (ptr void) *)
(* path : GpPath* in/out -> (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 ("GdipDrawPath" gdip-draw-path :convention :stdcall) :int32
  (graphics :pointer)   ; GpGraphics* in/out
  (pen :pointer)   ; GpPen* in/out
  (path :pointer))   ; GpPath* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipDrawPath = Win32::API::More->new('gdiplus',
    'int GdipDrawPath(LPVOID graphics, LPVOID pen, LPVOID path)');
# my $ret = $GdipDrawPath->Call($graphics, $pen, $path);
# graphics : GpGraphics* in/out -> LPVOID
# pen : GpPen* in/out -> LPVOID
# path : GpPath* 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。

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