glRecti

関数

整数座標で塗りつぶし矩形を描画する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glRecti(
    INT x1,
    INT y1,
    INT x2,
    INT y2
);

パラメーター

名前	型	方向
x1	INT	in
y1	INT	in
x2	INT	in
y2	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 glRecti(
    INT x1,
    INT y1,
    INT x2,
    INT y2
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glRecti(
    int x1,   // INT
    int y1,   // INT
    int x2,   // INT
    int y2   // INT
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glRecti(
    x1 As Integer,   ' INT
    y1 As Integer,   ' INT
    x2 As Integer,   ' INT
    y2 As Integer   ' INT
)
End Sub

' x1 : INT
' y1 : INT
' x2 : INT
' y2 : INT
Declare PtrSafe Sub glRecti Lib "opengl32" ( _
    ByVal x1 As Long, _
    ByVal y1 As Long, _
    ByVal x2 As Long, _
    ByVal y2 As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glRecti = ctypes.windll.opengl32.glRecti
glRecti.restype = None
glRecti.argtypes = [
    ctypes.c_int,  # x1 : INT
    ctypes.c_int,  # y1 : INT
    ctypes.c_int,  # x2 : INT
    ctypes.c_int,  # y2 : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glRecti = Fiddle::Function.new(
  lib['glRecti'],
  [
    Fiddle::TYPE_INT,  # x1 : INT
    Fiddle::TYPE_INT,  # y1 : INT
    Fiddle::TYPE_INT,  # x2 : INT
    Fiddle::TYPE_INT,  # y2 : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glRecti(
        x1: i32,  // INT
        y1: i32,  // INT
        x2: i32,  // INT
        y2: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glRecti(int x1, int y1, int x2, int y2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glRecti' -Namespace Win32 -PassThru
# $api::glRecti(x1, y1, x2, y2)

#uselib "OPENGL32.dll"
#func global glRecti "glRecti" sptr, sptr, sptr, sptr
; glRecti x1, y1, x2, y2
; x1 : INT -> "sptr"
; y1 : INT -> "sptr"
; x2 : INT -> "sptr"
; y2 : INT -> "sptr"

#uselib "OPENGL32.dll"
#func global glRecti "glRecti" int, int, int, int
; glRecti x1, y1, x2, y2
; x1 : INT -> "int"
; y1 : INT -> "int"
; x2 : INT -> "int"
; y2 : INT -> "int"

; void glRecti(INT x1, INT y1, INT x2, INT y2)
#uselib "OPENGL32.dll"
#func global glRecti "glRecti" int, int, int, int
; glRecti x1, y1, x2, y2
; x1 : INT -> "int"
; y1 : INT -> "int"
; x2 : INT -> "int"
; y2 : INT -> "int"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglRecti = opengl32.NewProc("glRecti")
)

// x1 (INT), y1 (INT), x2 (INT), y2 (INT)
r1, _, err := procglRecti.Call(
	uintptr(x1),
	uintptr(y1),
	uintptr(x2),
	uintptr(y2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glRecti(
  x1: Integer;   // INT
  y1: Integer;   // INT
  x2: Integer;   // INT
  y2: Integer   // INT
); stdcall;
  external 'OPENGL32.dll' name 'glRecti';

result := DllCall("OPENGL32\glRecti"
    , "Int", x1   ; INT
    , "Int", y1   ; INT
    , "Int", x2   ; INT
    , "Int", y2   ; INT
    , "Int")   ; return: void

●glRecti(x1, y1, x2, y2) = DLL("OPENGL32.dll", "int glRecti(int, int, int, int)")
# 呼び出し: glRecti(x1, y1, x2, y2)
# x1 : INT -> "int"
# y1 : INT -> "int"
# x2 : INT -> "int"
# y2 : 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)。