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GdipDrawClosedCurve2I
関数指定ペンと張力で整数座標の閉じた基数スプライン曲線を描画する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipDrawClosedCurve2I(
GpGraphics* graphics,
GpPen* pen,
const Point* points,
INT count,
FLOAT tension
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| graphics | GpGraphics* | inout | 描画先のGDI+グラフィックスオブジェクトへのポインタ。 |
| pen | GpPen* | inout | 曲線の線色や太さを定義するペンオブジェクトへのポインタ。 |
| points | Point* | in | 閉曲線が通過する点群を格納したPoint構造体配列(整数座標)へのポインタ。 |
| count | INT | in | points配列内の点の個数。 |
| tension | FLOAT | in | 曲線の張力。0.0で直線的、値が大きいほど湾曲が強まる。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipDrawClosedCurve2I(
GpGraphics* graphics,
GpPen* pen,
const Point* points,
INT count,
FLOAT tension
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawClosedCurve2I(
IntPtr graphics, // GpGraphics* in/out
IntPtr pen, // GpPen* in/out
IntPtr points, // Point*
int count, // INT
float tension // FLOAT
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawClosedCurve2I(
graphics As IntPtr, ' GpGraphics* in/out
pen As IntPtr, ' GpPen* in/out
points As IntPtr, ' Point*
count As Integer, ' INT
tension As Single ' FLOAT
) As Integer
End Function' graphics : GpGraphics* in/out
' pen : GpPen* in/out
' points : Point*
' count : INT
' tension : FLOAT
Declare PtrSafe Function GdipDrawClosedCurve2I Lib "gdiplus" ( _
ByVal graphics As LongPtr, _
ByVal pen As LongPtr, _
ByVal points As LongPtr, _
ByVal count As Long, _
ByVal tension As Single) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
GdipDrawClosedCurve2I = ctypes.windll.gdiplus.GdipDrawClosedCurve2I
GdipDrawClosedCurve2I.restype = ctypes.c_int
GdipDrawClosedCurve2I.argtypes = [
ctypes.c_void_p, # graphics : GpGraphics* in/out
ctypes.c_void_p, # pen : GpPen* in/out
ctypes.c_void_p, # points : Point*
ctypes.c_int, # count : INT
ctypes.c_float, # tension : FLOAT
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawClosedCurve2I = Fiddle::Function.new(
lib['GdipDrawClosedCurve2I'],
[
Fiddle::TYPE_VOIDP, # graphics : GpGraphics* in/out
Fiddle::TYPE_VOIDP, # pen : GpPen* in/out
Fiddle::TYPE_VOIDP, # points : Point*
Fiddle::TYPE_INT, # count : INT
Fiddle::TYPE_FLOAT, # tension : FLOAT
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipDrawClosedCurve2I(
graphics: *mut GpGraphics, // GpGraphics* in/out
pen: *mut GpPen, // GpPen* in/out
points: *const Point, // Point*
count: i32, // INT
tension: f32 // FLOAT
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawClosedCurve2I(IntPtr graphics, IntPtr pen, IntPtr points, int count, float tension);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawClosedCurve2I' -Namespace Win32 -PassThru
# $api::GdipDrawClosedCurve2I(graphics, pen, points, count, tension)#uselib "gdiplus.dll"
#func global GdipDrawClosedCurve2I "GdipDrawClosedCurve2I" sptr, sptr, sptr, sptr, float
; GdipDrawClosedCurve2I varptr(graphics), varptr(pen), varptr(points), count, tension ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; pen : GpPen* in/out -> "sptr"
; points : Point* -> "sptr"
; count : INT -> "sptr"
; tension : FLOAT -> "float"
; ※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 GdipDrawClosedCurve2I "GdipDrawClosedCurve2I" var, var, var, int, float ; res = GdipDrawClosedCurve2I(graphics, pen, points, count, tension) ; graphics : GpGraphics* in/out -> "var" ; pen : GpPen* in/out -> "var" ; points : Point* -> "var" ; count : INT -> "int" ; tension : FLOAT -> "float" ; ※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。#uselib "gdiplus.dll" #cfunc global GdipDrawClosedCurve2I "GdipDrawClosedCurve2I" sptr, sptr, sptr, int, float ; res = GdipDrawClosedCurve2I(varptr(graphics), varptr(pen), varptr(points), count, tension) ; graphics : GpGraphics* in/out -> "sptr" ; pen : GpPen* in/out -> "sptr" ; points : Point* -> "sptr" ; count : INT -> "int" ; tension : FLOAT -> "float" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; Status GdipDrawClosedCurve2I(GpGraphics* graphics, GpPen* pen, Point* points, INT count, FLOAT tension) #uselib "gdiplus.dll" #cfunc global GdipDrawClosedCurve2I "GdipDrawClosedCurve2I" var, var, var, int, float ; res = GdipDrawClosedCurve2I(graphics, pen, points, count, tension) ; graphics : GpGraphics* in/out -> "var" ; pen : GpPen* in/out -> "var" ; points : Point* -> "var" ; count : INT -> "int" ; tension : FLOAT -> "float" ; ※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。; Status GdipDrawClosedCurve2I(GpGraphics* graphics, GpPen* pen, Point* points, INT count, FLOAT tension) #uselib "gdiplus.dll" #cfunc global GdipDrawClosedCurve2I "GdipDrawClosedCurve2I" intptr, intptr, intptr, int, float ; res = GdipDrawClosedCurve2I(varptr(graphics), varptr(pen), varptr(points), count, tension) ; graphics : GpGraphics* in/out -> "intptr" ; pen : GpPen* in/out -> "intptr" ; points : Point* -> "intptr" ; count : INT -> "int" ; tension : FLOAT -> "float" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"math"
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
procGdipDrawClosedCurve2I = gdiplus.NewProc("GdipDrawClosedCurve2I")
)
// graphics (GpGraphics* in/out), pen (GpPen* in/out), points (Point*), count (INT), tension (FLOAT)
r1, _, err := procGdipDrawClosedCurve2I.Call(
uintptr(graphics),
uintptr(pen),
uintptr(points),
uintptr(count),
uintptr(math.Float32bits(tension)),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。function GdipDrawClosedCurve2I(
graphics: Pointer; // GpGraphics* in/out
pen: Pointer; // GpPen* in/out
points: Pointer; // Point*
count: Integer; // INT
tension: Single // FLOAT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawClosedCurve2I';result := DllCall("gdiplus\GdipDrawClosedCurve2I"
, "Ptr", graphics ; GpGraphics* in/out
, "Ptr", pen ; GpPen* in/out
, "Ptr", points ; Point*
, "Int", count ; INT
, "Float", tension ; FLOAT
, "Int") ; return: Status●GdipDrawClosedCurve2I(graphics, pen, points, count, tension) = DLL("gdiplus.dll", "int GdipDrawClosedCurve2I(void*, void*, void*, int, float)")
# 呼び出し: GdipDrawClosedCurve2I(graphics, pen, points, count, tension)
# graphics : GpGraphics* in/out -> "void*"
# pen : GpPen* in/out -> "void*"
# points : Point* -> "void*"
# count : INT -> "int"
# tension : FLOAT -> "float"
# 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 GdipDrawClosedCurve2I(
graphics: [*c]GpGraphics, // GpGraphics* in/out
pen: [*c]GpPen, // GpPen* in/out
points: [*c]Point, // Point*
count: i32, // INT
tension: f32 // FLOAT
) callconv(std.os.windows.WINAPI) i32;proc GdipDrawClosedCurve2I(
graphics: ptr GpGraphics, # GpGraphics* in/out
pen: ptr GpPen, # GpPen* in/out
points: ptr Point, # Point*
count: int32, # INT
tension: float32 # FLOAT
): int32 {.importc: "GdipDrawClosedCurve2I", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawClosedCurve2I(
GpGraphics* graphics, // GpGraphics* in/out
GpPen* pen, // GpPen* in/out
Point* points, // Point*
int count, // INT
float tension // FLOAT
);ccall((:GdipDrawClosedCurve2I, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpGraphics}, Ptr{GpPen}, Ptr{Point}, Int32, Float32),
graphics, pen, points, count, tension)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# pen : GpPen* in/out -> Ptr{GpPen}
# points : Point* -> Ptr{Point}
# count : INT -> Int32
# tension : FLOAT -> Float32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t GdipDrawClosedCurve2I(
void* graphics,
void* pen,
void* points,
int32_t count,
float tension);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawClosedCurve2I(graphics, pen, points, count, tension)
-- graphics : GpGraphics* in/out
-- pen : GpPen* in/out
-- points : Point*
-- count : INT
-- tension : FLOAT
-- 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 GdipDrawClosedCurve2I = lib.func('__stdcall', 'GdipDrawClosedCurve2I', 'int32_t', ['void *', 'void *', 'void *', 'int32_t', 'float']);
// GdipDrawClosedCurve2I(graphics, pen, points, count, tension)
// graphics : GpGraphics* in/out -> 'void *'
// pen : GpPen* in/out -> 'void *'
// points : Point* -> 'void *'
// count : INT -> 'int32_t'
// tension : FLOAT -> 'float'
// 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", {
GdipDrawClosedCurve2I: { parameters: ["pointer", "pointer", "pointer", "i32", "f32"], result: "i32" },
});
// lib.symbols.GdipDrawClosedCurve2I(graphics, pen, points, count, tension)
// graphics : GpGraphics* in/out -> "pointer"
// pen : GpPen* in/out -> "pointer"
// points : Point* -> "pointer"
// count : INT -> "i32"
// tension : FLOAT -> "f32"
// 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 GdipDrawClosedCurve2I(
void* graphics,
void* pen,
void* points,
int32_t count,
float tension);
C, "gdiplus.dll");
// $ffi->GdipDrawClosedCurve2I(graphics, pen, points, count, tension);
// graphics : GpGraphics* in/out
// pen : GpPen* in/out
// points : Point*
// count : INT
// tension : FLOAT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipDrawClosedCurve2I(
Pointer graphics, // GpGraphics* in/out
Pointer pen, // GpPen* in/out
Pointer points, // Point*
int count, // INT
float tension // FLOAT
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipDrawClosedCurve2I = GdipDrawClosedCurve2I(
graphics : GpGraphics*, # GpGraphics* in/out
pen : GpPen*, # GpPen* in/out
points : Point*, # Point*
count : Int32, # INT
tension : Float32 # FLOAT
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipDrawClosedCurve2INative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Int32, Float);
typedef GdipDrawClosedCurve2IDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int, double);
final GdipDrawClosedCurve2I = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipDrawClosedCurve2INative, GdipDrawClosedCurve2IDart>('GdipDrawClosedCurve2I');
// graphics : GpGraphics* in/out -> Pointer<Void>
// pen : GpPen* in/out -> Pointer<Void>
// points : Point* -> Pointer<Void>
// count : INT -> Int32
// tension : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipDrawClosedCurve2I(
graphics: Pointer; // GpGraphics* in/out
pen: Pointer; // GpPen* in/out
points: Pointer; // Point*
count: Integer; // INT
tension: Single // FLOAT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawClosedCurve2I';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipDrawClosedCurve2I"
c_GdipDrawClosedCurve2I :: Ptr () -> Ptr () -> Ptr () -> Int32 -> CFloat -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- pen : GpPen* in/out -> Ptr ()
-- points : Point* -> Ptr ()
-- count : INT -> Int32
-- tension : FLOAT -> CFloat
-- 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 gdipdrawclosedcurve2i =
foreign "GdipDrawClosedCurve2I"
((ptr void) @-> (ptr void) @-> (ptr void) @-> int32_t @-> float @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* pen : GpPen* in/out -> (ptr void) *)
(* points : Point* -> (ptr void) *)
(* count : INT -> int32_t *)
(* tension : FLOAT -> float *)
(* 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 ("GdipDrawClosedCurve2I" gdip-draw-closed-curve2-i :convention :stdcall) :int32
(graphics :pointer) ; GpGraphics* in/out
(pen :pointer) ; GpPen* in/out
(points :pointer) ; Point*
(count :int32) ; INT
(tension :float)) ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipDrawClosedCurve2I = Win32::API::More->new('gdiplus',
'int GdipDrawClosedCurve2I(LPVOID graphics, LPVOID pen, LPVOID points, int count, float tension)');
# my $ret = $GdipDrawClosedCurve2I->Call($graphics, $pen, $points, $count, $tension);
# graphics : GpGraphics* in/out -> LPVOID
# pen : GpPen* in/out -> LPVOID
# points : Point* -> LPVOID
# count : INT -> int
# tension : FLOAT -> float
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。