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GdipDrawLinesI
関数指定ペンで整数座標の連続した直線を描画する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipDrawLinesI(
GpGraphics* graphics,
GpPen* pen,
const Point* points,
INT count
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| graphics | GpGraphics* | inout | 描画先のGpGraphicsオブジェクトへのポインタ。 |
| pen | GpPen* | inout | 線の色や幅を定めるGpPenオブジェクトへのポインタ。 |
| points | Point* | in | 連結線分を構成する頂点のPoint(整数)配列へのポインタ。 |
| count | INT | in | 配列に含まれる点の個数(2以上)。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipDrawLinesI(
GpGraphics* graphics,
GpPen* pen,
const Point* points,
INT count
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawLinesI(
IntPtr graphics, // GpGraphics* in/out
IntPtr pen, // GpPen* in/out
IntPtr points, // Point*
int count // INT
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawLinesI(
graphics As IntPtr, ' GpGraphics* in/out
pen As IntPtr, ' GpPen* in/out
points As IntPtr, ' Point*
count As Integer ' INT
) As Integer
End Function' graphics : GpGraphics* in/out
' pen : GpPen* in/out
' points : Point*
' count : INT
Declare PtrSafe Function GdipDrawLinesI Lib "gdiplus" ( _
ByVal graphics As LongPtr, _
ByVal pen 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
GdipDrawLinesI = ctypes.windll.gdiplus.GdipDrawLinesI
GdipDrawLinesI.restype = ctypes.c_int
GdipDrawLinesI.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
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawLinesI = Fiddle::Function.new(
lib['GdipDrawLinesI'],
[
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_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipDrawLinesI(
graphics: *mut GpGraphics, // GpGraphics* in/out
pen: *mut GpPen, // GpPen* in/out
points: *const Point, // Point*
count: i32 // INT
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawLinesI(IntPtr graphics, IntPtr pen, IntPtr points, int count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawLinesI' -Namespace Win32 -PassThru
# $api::GdipDrawLinesI(graphics, pen, points, count)#uselib "gdiplus.dll"
#func global GdipDrawLinesI "GdipDrawLinesI" sptr, sptr, sptr, sptr
; GdipDrawLinesI varptr(graphics), varptr(pen), varptr(points), count ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; pen : GpPen* in/out -> "sptr"
; points : Point* -> "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 GdipDrawLinesI "GdipDrawLinesI" var, var, var, int ; res = GdipDrawLinesI(graphics, pen, points, count) ; graphics : GpGraphics* in/out -> "var" ; pen : GpPen* in/out -> "var" ; points : Point* -> "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。#uselib "gdiplus.dll" #cfunc global GdipDrawLinesI "GdipDrawLinesI" sptr, sptr, sptr, int ; res = GdipDrawLinesI(varptr(graphics), varptr(pen), varptr(points), count) ; graphics : GpGraphics* in/out -> "sptr" ; pen : GpPen* in/out -> "sptr" ; points : Point* -> "sptr" ; count : INT -> "int" ; ※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 GdipDrawLinesI(GpGraphics* graphics, GpPen* pen, Point* points, INT count) #uselib "gdiplus.dll" #cfunc global GdipDrawLinesI "GdipDrawLinesI" var, var, var, int ; res = GdipDrawLinesI(graphics, pen, points, count) ; graphics : GpGraphics* in/out -> "var" ; pen : GpPen* in/out -> "var" ; points : Point* -> "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。; Status GdipDrawLinesI(GpGraphics* graphics, GpPen* pen, Point* points, INT count) #uselib "gdiplus.dll" #cfunc global GdipDrawLinesI "GdipDrawLinesI" intptr, intptr, intptr, int ; res = GdipDrawLinesI(varptr(graphics), varptr(pen), varptr(points), count) ; graphics : GpGraphics* in/out -> "intptr" ; pen : GpPen* in/out -> "intptr" ; points : Point* -> "intptr" ; count : INT -> "int" ; ※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 (
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
procGdipDrawLinesI = gdiplus.NewProc("GdipDrawLinesI")
)
// graphics (GpGraphics* in/out), pen (GpPen* in/out), points (Point*), count (INT)
r1, _, err := procGdipDrawLinesI.Call(
uintptr(graphics),
uintptr(pen),
uintptr(points),
uintptr(count),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Statusfunction GdipDrawLinesI(
graphics: Pointer; // GpGraphics* in/out
pen: Pointer; // GpPen* in/out
points: Pointer; // Point*
count: Integer // INT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawLinesI';result := DllCall("gdiplus\GdipDrawLinesI"
, "Ptr", graphics ; GpGraphics* in/out
, "Ptr", pen ; GpPen* in/out
, "Ptr", points ; Point*
, "Int", count ; INT
, "Int") ; return: Status●GdipDrawLinesI(graphics, pen, points, count) = DLL("gdiplus.dll", "int GdipDrawLinesI(void*, void*, void*, int)")
# 呼び出し: GdipDrawLinesI(graphics, pen, points, count)
# graphics : GpGraphics* in/out -> "void*"
# pen : GpPen* in/out -> "void*"
# points : Point* -> "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 GdipDrawLinesI(
graphics: [*c]GpGraphics, // GpGraphics* in/out
pen: [*c]GpPen, // GpPen* in/out
points: [*c]Point, // Point*
count: i32 // INT
) callconv(std.os.windows.WINAPI) i32;proc GdipDrawLinesI(
graphics: ptr GpGraphics, # GpGraphics* in/out
pen: ptr GpPen, # GpPen* in/out
points: ptr Point, # Point*
count: int32 # INT
): int32 {.importc: "GdipDrawLinesI", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawLinesI(
GpGraphics* graphics, // GpGraphics* in/out
GpPen* pen, // GpPen* in/out
Point* points, // Point*
int count // INT
);ccall((:GdipDrawLinesI, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpGraphics}, Ptr{GpPen}, Ptr{Point}, Int32),
graphics, pen, points, count)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# pen : GpPen* in/out -> Ptr{GpPen}
# points : Point* -> Ptr{Point}
# 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 GdipDrawLinesI(
void* graphics,
void* pen,
void* points,
int32_t count);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawLinesI(graphics, pen, points, count)
-- graphics : GpGraphics* in/out
-- pen : GpPen* in/out
-- points : Point*
-- 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 GdipDrawLinesI = lib.func('__stdcall', 'GdipDrawLinesI', 'int32_t', ['void *', 'void *', 'void *', 'int32_t']);
// GdipDrawLinesI(graphics, pen, points, count)
// graphics : GpGraphics* in/out -> 'void *'
// pen : GpPen* in/out -> 'void *'
// points : Point* -> '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", {
GdipDrawLinesI: { parameters: ["pointer", "pointer", "pointer", "i32"], result: "i32" },
});
// lib.symbols.GdipDrawLinesI(graphics, pen, points, count)
// graphics : GpGraphics* in/out -> "pointer"
// pen : GpPen* in/out -> "pointer"
// points : Point* -> "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 GdipDrawLinesI(
void* graphics,
void* pen,
void* points,
int32_t count);
C, "gdiplus.dll");
// $ffi->GdipDrawLinesI(graphics, pen, points, count);
// graphics : GpGraphics* in/out
// pen : GpPen* in/out
// points : Point*
// count : INT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipDrawLinesI(
Pointer graphics, // GpGraphics* in/out
Pointer pen, // GpPen* in/out
Pointer points, // Point*
int count // INT
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipDrawLinesI = GdipDrawLinesI(
graphics : GpGraphics*, # GpGraphics* in/out
pen : GpPen*, # GpPen* in/out
points : Point*, # Point*
count : Int32 # INT
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipDrawLinesINative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Int32);
typedef GdipDrawLinesIDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int);
final GdipDrawLinesI = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipDrawLinesINative, GdipDrawLinesIDart>('GdipDrawLinesI');
// graphics : GpGraphics* in/out -> Pointer<Void>
// pen : GpPen* in/out -> Pointer<Void>
// points : Point* -> Pointer<Void>
// count : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipDrawLinesI(
graphics: Pointer; // GpGraphics* in/out
pen: Pointer; // GpPen* in/out
points: Pointer; // Point*
count: Integer // INT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawLinesI';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipDrawLinesI"
c_GdipDrawLinesI :: Ptr () -> Ptr () -> Ptr () -> Int32 -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- pen : GpPen* in/out -> Ptr ()
-- points : Point* -> 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 gdipdrawlinesi =
foreign "GdipDrawLinesI"
((ptr void) @-> (ptr void) @-> (ptr void) @-> int32_t @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* pen : GpPen* in/out -> (ptr void) *)
(* points : Point* -> (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 ("GdipDrawLinesI" gdip-draw-lines-i :convention :stdcall) :int32
(graphics :pointer) ; GpGraphics* in/out
(pen :pointer) ; GpPen* in/out
(points :pointer) ; Point*
(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 $GdipDrawLinesI = Win32::API::More->new('gdiplus',
'int GdipDrawLinesI(LPVOID graphics, LPVOID pen, LPVOID points, int count)');
# my $ret = $GdipDrawLinesI->Call($graphics, $pen, $points, $count);
# graphics : GpGraphics* in/out -> LPVOID
# pen : GpPen* in/out -> LPVOID
# points : Point* -> 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。