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ホームGraphics.GdiPlus › GdipCreateRegionPath

GdipCreateRegionPath

関数
指定したパスの形状からリージョンを作成する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipCreateRegionPath(
    GpPath* path,
    GpRegion** region
);

パラメーター

名前方向
pathGpPath*inout
regionGpRegion**inout

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipCreateRegionPath(
    GpPath* path,
    GpRegion** region
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipCreateRegionPath(
    IntPtr path,   // GpPath* in/out
    IntPtr region   // GpRegion** in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateRegionPath(
    path As IntPtr,   ' GpPath* in/out
    region As IntPtr   ' GpRegion** in/out
) As Integer
End Function
' path : GpPath* in/out
' region : GpRegion** in/out
Declare PtrSafe Function GdipCreateRegionPath Lib "gdiplus" ( _
    ByVal path As LongPtr, _
    ByVal region 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

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

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

// path (GpPath* in/out), region (GpRegion** in/out)
r1, _, err := procGdipCreateRegionPath.Call(
	uintptr(path),
	uintptr(region),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipCreateRegionPath(
  path: Pointer;   // GpPath* in/out
  region: Pointer   // GpRegion** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateRegionPath';
result := DllCall("gdiplus\GdipCreateRegionPath"
    , "Ptr", path   ; GpPath* in/out
    , "Ptr", region   ; GpRegion** in/out
    , "Int")   ; return: Status
●GdipCreateRegionPath(path, region) = DLL("gdiplus.dll", "int GdipCreateRegionPath(void*, void*)")
# 呼び出し: GdipCreateRegionPath(path, region)
# path : GpPath* in/out -> "void*"
# region : GpRegion** 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)。