glNormal3f

関数

現在の法線ベクトルを単精度の3成分で設定する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glNormal3f(
    FLOAT nx,
    FLOAT ny,
    FLOAT nz
);

パラメーター

名前	型	方向
nx	FLOAT	in
ny	FLOAT	in
nz	FLOAT	in

戻り値の型: void

各言語での呼び出し定義

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

void glNormal3f(
    FLOAT nx,
    FLOAT ny,
    FLOAT nz
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glNormal3f(
    float nx,   // FLOAT
    float ny,   // FLOAT
    float nz   // FLOAT
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glNormal3f(
    nx As Single,   ' FLOAT
    ny As Single,   ' FLOAT
    nz As Single   ' FLOAT
)
End Sub

' nx : FLOAT
' ny : FLOAT
' nz : FLOAT
Declare PtrSafe Sub glNormal3f Lib "opengl32" ( _
    ByVal nx As Single, _
    ByVal ny As Single, _
    ByVal nz As Single)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glNormal3f = ctypes.windll.opengl32.glNormal3f
glNormal3f.restype = None
glNormal3f.argtypes = [
    ctypes.c_float,  # nx : FLOAT
    ctypes.c_float,  # ny : FLOAT
    ctypes.c_float,  # nz : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glNormal3f = Fiddle::Function.new(
  lib['glNormal3f'],
  [
    Fiddle::TYPE_FLOAT,  # nx : FLOAT
    Fiddle::TYPE_FLOAT,  # ny : FLOAT
    Fiddle::TYPE_FLOAT,  # nz : FLOAT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glNormal3f(
        nx: f32,  // FLOAT
        ny: f32,  // FLOAT
        nz: f32  // FLOAT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glNormal3f(float nx, float ny, float nz);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glNormal3f' -Namespace Win32 -PassThru
# $api::glNormal3f(nx, ny, nz)

#uselib "OPENGL32.dll"
#func global glNormal3f "glNormal3f" float, float, float
; glNormal3f nx, ny, nz
; nx : FLOAT -> "float"
; ny : FLOAT -> "float"
; nz : FLOAT -> "float"

#uselib "OPENGL32.dll"
#func global glNormal3f "glNormal3f" float, float, float
; glNormal3f nx, ny, nz
; nx : FLOAT -> "float"
; ny : FLOAT -> "float"
; nz : FLOAT -> "float"

; void glNormal3f(FLOAT nx, FLOAT ny, FLOAT nz)
#uselib "OPENGL32.dll"
#func global glNormal3f "glNormal3f" float, float, float
; glNormal3f nx, ny, nz
; nx : FLOAT -> "float"
; ny : FLOAT -> "float"
; nz : FLOAT -> "float"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglNormal3f = opengl32.NewProc("glNormal3f")
)

// nx (FLOAT), ny (FLOAT), nz (FLOAT)
r1, _, err := procglNormal3f.Call(
	uintptr(math.Float32bits(nx)),
	uintptr(math.Float32bits(ny)),
	uintptr(math.Float32bits(nz)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 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。

procedure glNormal3f(
  nx: Single;   // FLOAT
  ny: Single;   // FLOAT
  nz: Single   // FLOAT
); stdcall;
  external 'OPENGL32.dll' name 'glNormal3f';

result := DllCall("OPENGL32\glNormal3f"
    , "Float", nx   ; FLOAT
    , "Float", ny   ; FLOAT
    , "Float", nz   ; FLOAT
    , "Int")   ; return: void

●glNormal3f(nx, ny, nz) = DLL("OPENGL32.dll", "int glNormal3f(float, float, float)")
# 呼び出し: glNormal3f(nx, ny, nz)
# nx : FLOAT -> "float"
# ny : FLOAT -> "float"
# nz : 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)。