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GdipGetPathLastPoint

関数
GDI+のパスの最後の点の座標を取得する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipGetPathLastPoint(
    GpPath* path,
    PointF* lastPoint
);

パラメーター

名前方向説明
pathGpPath*inout最終点を取得する対象のパスオブジェクトへのポインタ。
lastPointPointF*inoutパスの最後の点座標を受け取るPointF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 GdipGetPathLastPoint(
    GpPath* path,
    PointF* lastPoint
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetPathLastPoint(
    IntPtr path,   // GpPath* in/out
    IntPtr lastPoint   // PointF* in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPathLastPoint(
    path As IntPtr,   ' GpPath* in/out
    lastPoint As IntPtr   ' PointF* in/out
) As Integer
End Function
' path : GpPath* in/out
' lastPoint : PointF* in/out
Declare PtrSafe Function GdipGetPathLastPoint Lib "gdiplus" ( _
    ByVal path As LongPtr, _
    ByVal lastPoint 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

GdipGetPathLastPoint = ctypes.windll.gdiplus.GdipGetPathLastPoint
GdipGetPathLastPoint.restype = ctypes.c_int
GdipGetPathLastPoint.argtypes = [
    ctypes.c_void_p,  # path : GpPath* in/out
    ctypes.c_void_p,  # lastPoint : PointF* in/out
]
require 'fiddle'
require 'fiddle/import'

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

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

foreign import stdcall safe "GdipGetPathLastPoint"
  c_GdipGetPathLastPoint :: Ptr () -> Ptr () -> IO Int32
-- path : GpPath* in/out -> Ptr ()
-- lastPoint : PointF* 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 gdipgetpathlastpoint =
  foreign "GdipGetPathLastPoint"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* path : GpPath* in/out -> (ptr void) *)
(* lastPoint : PointF* 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 ("GdipGetPathLastPoint" gdip-get-path-last-point :convention :stdcall) :int32
  (path :pointer)   ; GpPath* in/out
  (last-point :pointer))   ; PointF* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipGetPathLastPoint = Win32::API::More->new('gdiplus',
    'int GdipGetPathLastPoint(LPVOID path, LPVOID lastPoint)');
# my $ret = $GdipGetPathLastPoint->Call($path, $lastPoint);
# path : GpPath* in/out -> LPVOID
# lastPoint : PointF* 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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