Win32 API 日本語リファレンス
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
param0GpPath*inout
pointsPointF*inout
countINTin

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)。