glEvalPoint2

関数

2次元マップ格子上の単一点を評価して描画する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

// OPENGL32.dll
#include <windows.h>

void glEvalPoint2(
    INT i,
    INT j
);

パラメーター

名前	型	方向
i	INT	in
j	INT	in

戻り値の型: void

各言語での呼び出し定義

// OPENGL32.dll
#include <windows.h>

void glEvalPoint2(
    INT i,
    INT j
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glEvalPoint2(
    int i,   // INT
    int j   // INT
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glEvalPoint2(
    i As Integer,   ' INT
    j As Integer   ' INT
)
End Sub

' i : INT
' j : INT
Declare PtrSafe Sub glEvalPoint2 Lib "opengl32" ( _
    ByVal i As Long, _
    ByVal j As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glEvalPoint2 = ctypes.windll.opengl32.glEvalPoint2
glEvalPoint2.restype = None
glEvalPoint2.argtypes = [
    ctypes.c_int,  # i : INT
    ctypes.c_int,  # j : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glEvalPoint2 = Fiddle::Function.new(
  lib['glEvalPoint2'],
  [
    Fiddle::TYPE_INT,  # i : INT
    Fiddle::TYPE_INT,  # j : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glEvalPoint2(
        i: i32,  // INT
        j: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glEvalPoint2(int i, int j);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glEvalPoint2' -Namespace Win32 -PassThru
# $api::glEvalPoint2(i, j)

#uselib "OPENGL32.dll"
#func global glEvalPoint2 "glEvalPoint2" sptr, sptr
; glEvalPoint2 i, j
; i : INT -> "sptr"
; j : INT -> "sptr"

#uselib "OPENGL32.dll"
#func global glEvalPoint2 "glEvalPoint2" int, int
; glEvalPoint2 i, j
; i : INT -> "int"
; j : INT -> "int"

; void glEvalPoint2(INT i, INT j)
#uselib "OPENGL32.dll"
#func global glEvalPoint2 "glEvalPoint2" int, int
; glEvalPoint2 i, j
; i : INT -> "int"
; j : INT -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglEvalPoint2 = opengl32.NewProc("glEvalPoint2")
)

// i (INT), j (INT)
r1, _, err := procglEvalPoint2.Call(
	uintptr(i),
	uintptr(j),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glEvalPoint2(
  i: Integer;   // INT
  j: Integer   // INT
); stdcall;
  external 'OPENGL32.dll' name 'glEvalPoint2';

result := DllCall("OPENGL32\glEvalPoint2"
    , "Int", i   ; INT
    , "Int", j   ; INT
    , "Int")   ; return: void

●glEvalPoint2(i, j) = DLL("OPENGL32.dll", "int glEvalPoint2(int, int)")
# 呼び出し: glEvalPoint2(i, j)
# i : INT -> "int"
# j : 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)。