glColor3i

関数

整数値で現在の描画色をRGB各成分で設定する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glColor3i(
    INT red,
    INT green,
    INT blue
);

パラメーター

名前	型	方向
red	INT	in
green	INT	in
blue	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 glColor3i(
    INT red,
    INT green,
    INT blue
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glColor3i(
    int red,   // INT
    int green,   // INT
    int blue   // INT
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glColor3i(
    red As Integer,   ' INT
    green As Integer,   ' INT
    blue As Integer   ' INT
)
End Sub

' red : INT
' green : INT
' blue : INT
Declare PtrSafe Sub glColor3i Lib "opengl32" ( _
    ByVal red As Long, _
    ByVal green As Long, _
    ByVal blue As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glColor3i = ctypes.windll.opengl32.glColor3i
glColor3i.restype = None
glColor3i.argtypes = [
    ctypes.c_int,  # red : INT
    ctypes.c_int,  # green : INT
    ctypes.c_int,  # blue : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glColor3i = Fiddle::Function.new(
  lib['glColor3i'],
  [
    Fiddle::TYPE_INT,  # red : INT
    Fiddle::TYPE_INT,  # green : INT
    Fiddle::TYPE_INT,  # blue : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glColor3i(
        red: i32,  // INT
        green: i32,  // INT
        blue: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glColor3i(int red, int green, int blue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glColor3i' -Namespace Win32 -PassThru
# $api::glColor3i(red, green, blue)

#uselib "OPENGL32.dll"
#func global glColor3i "glColor3i" sptr, sptr, sptr
; glColor3i red, green, blue
; red : INT -> "sptr"
; green : INT -> "sptr"
; blue : INT -> "sptr"

#uselib "OPENGL32.dll"
#func global glColor3i "glColor3i" int, int, int
; glColor3i red, green, blue
; red : INT -> "int"
; green : INT -> "int"
; blue : INT -> "int"

; void glColor3i(INT red, INT green, INT blue)
#uselib "OPENGL32.dll"
#func global glColor3i "glColor3i" int, int, int
; glColor3i red, green, blue
; red : INT -> "int"
; green : INT -> "int"
; blue : INT -> "int"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglColor3i = opengl32.NewProc("glColor3i")
)

// red (INT), green (INT), blue (INT)
r1, _, err := procglColor3i.Call(
	uintptr(red),
	uintptr(green),
	uintptr(blue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glColor3i(
  red: Integer;   // INT
  green: Integer;   // INT
  blue: Integer   // INT
); stdcall;
  external 'OPENGL32.dll' name 'glColor3i';

result := DllCall("OPENGL32\glColor3i"
    , "Int", red   ; INT
    , "Int", green   ; INT
    , "Int", blue   ; INT
    , "Int")   ; return: void

●glColor3i(red, green, blue) = DLL("OPENGL32.dll", "int glColor3i(int, int, int)")
# 呼び出し: glColor3i(red, green, blue)
# red : INT -> "int"
# green : INT -> "int"
# blue : 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)。