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ホームGraphics.GdiPlus › GdipGetPathPoints

GdipGetPathPoints

関数
GDI+のパスの点座標を取得する(浮動小数点版)。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipGetPathPoints(
    GpPath* param0,
    PointF* points,
    INT count
);

パラメーター

名前方向説明
param0GpPath*inout点座標を取得する対象のパスオブジェクトへのポインタ。
pointsPointF*inout各点の座標を受け取るPointF配列へのポインタ。
countINTinpointsバッファの要素数(INT)。点総数以上を指定する。

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipGetPathPoints(
    GpPath* param0,
    PointF* points,
    INT count
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetPathPoints(
    IntPtr param0,   // GpPath* in/out
    IntPtr points,   // PointF* in/out
    int count   // INT
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetPathPoints(
    param0 As IntPtr,   ' GpPath* in/out
    points As IntPtr,   ' PointF* in/out
    count As Integer   ' INT
) As Integer
End Function
' param0 : GpPath* in/out
' points : PointF* in/out
' count : INT
Declare PtrSafe Function GdipGetPathPoints Lib "gdiplus" ( _
    ByVal param0 As LongPtr, _
    ByVal points As LongPtr, _
    ByVal count As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GdipGetPathPoints = ctypes.windll.gdiplus.GdipGetPathPoints
GdipGetPathPoints.restype = ctypes.c_int
GdipGetPathPoints.argtypes = [
    ctypes.c_void_p,  # param0 : GpPath* in/out
    ctypes.c_void_p,  # points : PointF* in/out
    ctypes.c_int,  # count : INT
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetPathPoints = Fiddle::Function.new(
  lib['GdipGetPathPoints'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : GpPath* in/out
    Fiddle::TYPE_VOIDP,  # points : PointF* in/out
    Fiddle::TYPE_INT,  # count : INT
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetPathPoints(
        param0: *mut GpPath,  // GpPath* in/out
        points: *mut PointF,  // PointF* in/out
        count: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetPathPoints(IntPtr param0, IntPtr points, int count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetPathPoints' -Namespace Win32 -PassThru
# $api::GdipGetPathPoints(param0, points, count)
#uselib "gdiplus.dll"
#func global GdipGetPathPoints "GdipGetPathPoints" sptr, sptr, sptr
; GdipGetPathPoints varptr(param0), varptr(points), count   ; 戻り値は stat
; param0 : GpPath* in/out -> "sptr"
; points : PointF* in/out -> "sptr"
; count : INT -> "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 GdipGetPathPoints "GdipGetPathPoints" var, var, int
; res = GdipGetPathPoints(param0, points, count)
; param0 : GpPath* in/out -> "var"
; points : PointF* in/out -> "var"
; count : INT -> "int"
; ※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 GdipGetPathPoints(GpPath* param0, PointF* points, INT count)
#uselib "gdiplus.dll"
#cfunc global GdipGetPathPoints "GdipGetPathPoints" var, var, int
; res = GdipGetPathPoints(param0, points, count)
; param0 : GpPath* in/out -> "var"
; points : PointF* in/out -> "var"
; count : INT -> "int"
; ※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")
	procGdipGetPathPoints = gdiplus.NewProc("GdipGetPathPoints")
)

// param0 (GpPath* in/out), points (PointF* in/out), count (INT)
r1, _, err := procGdipGetPathPoints.Call(
	uintptr(param0),
	uintptr(points),
	uintptr(count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipGetPathPoints(
  param0: Pointer;   // GpPath* in/out
  points: Pointer;   // PointF* in/out
  count: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetPathPoints';
result := DllCall("gdiplus\GdipGetPathPoints"
    , "Ptr", param0   ; GpPath* in/out
    , "Ptr", points   ; PointF* in/out
    , "Int", count   ; INT
    , "Int")   ; return: Status
●GdipGetPathPoints(param0, points, count) = DLL("gdiplus.dll", "int GdipGetPathPoints(void*, void*, int)")
# 呼び出し: GdipGetPathPoints(param0, points, count)
# param0 : GpPath* in/out -> "void*"
# points : PointF* in/out -> "void*"
# count : INT -> "int"
# 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 GdipGetPathPoints(
    param0: [*c]GpPath, // GpPath* in/out
    points: [*c]PointF, // PointF* in/out
    count: i32 // INT
) callconv(std.os.windows.WINAPI) i32;
proc GdipGetPathPoints(
    param0: ptr GpPath,  # GpPath* in/out
    points: ptr PointF,  # PointF* in/out
    count: int32  # INT
): int32 {.importc: "GdipGetPathPoints", stdcall, dynlib: "gdiplus.dll".}
pragma(lib, "gdiplus");
extern(Windows)
int GdipGetPathPoints(
    GpPath* param0,   // GpPath* in/out
    PointF* points,   // PointF* in/out
    int count   // INT
);
ccall((:GdipGetPathPoints, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpPath}, Ptr{PointF}, Int32),
      param0, points, count)
# param0 : GpPath* in/out -> Ptr{GpPath}
# points : PointF* in/out -> Ptr{PointF}
# count : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetPathPoints(
    void* param0,
    void* points,
    int32_t count);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetPathPoints(param0, points, count)
-- param0 : GpPath* in/out
-- points : PointF* in/out
-- count : INT
-- 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 GdipGetPathPoints = lib.func('__stdcall', 'GdipGetPathPoints', 'int32_t', ['void *', 'void *', 'int32_t']);
// GdipGetPathPoints(param0, points, count)
// param0 : GpPath* in/out -> 'void *'
// points : PointF* in/out -> 'void *'
// count : INT -> 'int32_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", {
  GdipGetPathPoints: { parameters: ["pointer", "pointer", "i32"], result: "i32" },
});
// lib.symbols.GdipGetPathPoints(param0, points, count)
// param0 : GpPath* in/out -> "pointer"
// points : PointF* in/out -> "pointer"
// count : INT -> "i32"
// 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 GdipGetPathPoints(
    void* param0,
    void* points,
    int32_t count);
C, "gdiplus.dll");
// $ffi->GdipGetPathPoints(param0, points, count);
// param0 : GpPath* in/out
// points : PointF* in/out
// count : INT
// 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 GdipGetPathPoints(
        Pointer param0,   // GpPath* in/out
        Pointer points,   // PointF* in/out
        int count   // INT
    );
}
@[Link("gdiplus")]
lib Libgdiplus
  fun GdipGetPathPoints = GdipGetPathPoints(
    param0 : GpPath*,   # GpPath* in/out
    points : PointF*,   # PointF* in/out
    count : Int32   # INT
  ) : 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 GdipGetPathPointsNative = Int32 Function(Pointer<Void>, Pointer<Void>, Int32);
typedef GdipGetPathPointsDart = int Function(Pointer<Void>, Pointer<Void>, int);
final GdipGetPathPoints = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipGetPathPointsNative, GdipGetPathPointsDart>('GdipGetPathPoints');
// param0 : GpPath* in/out -> Pointer<Void>
// points : PointF* in/out -> Pointer<Void>
// count : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GdipGetPathPoints(
  param0: Pointer;   // GpPath* in/out
  points: Pointer;   // PointF* in/out
  count: Integer   // INT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetPathPoints';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipGetPathPoints"
  c_GdipGetPathPoints :: Ptr () -> Ptr () -> Int32 -> IO Int32
-- param0 : GpPath* in/out -> Ptr ()
-- points : PointF* in/out -> Ptr ()
-- count : INT -> Int32
-- 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 gdipgetpathpoints =
  foreign "GdipGetPathPoints"
    ((ptr void) @-> (ptr void) @-> int32_t @-> returning int32_t)
(* param0 : GpPath* in/out -> (ptr void) *)
(* points : PointF* in/out -> (ptr void) *)
(* count : INT -> int32_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 ("GdipGetPathPoints" gdip-get-path-points :convention :stdcall) :int32
  (param0 :pointer)   ; GpPath* in/out
  (points :pointer)   ; PointF* in/out
  (count :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GdipGetPathPoints = Win32::API::More->new('gdiplus',
    'int GdipGetPathPoints(LPVOID param0, LPVOID points, int count)');
# my $ret = $GdipGetPathPoints->Call($param0, $points, $count);
# param0 : GpPath* in/out -> LPVOID
# points : PointF* in/out -> LPVOID
# count : INT -> int
# 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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