glRects

関数

短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 glRects(
    SHORT x1,
    SHORT y1,
    SHORT x2,
    SHORT y2
);

パラメーター

名前	型	方向
x1	SHORT	in
y1	SHORT	in
x2	SHORT	in
y2	SHORT	in

戻り値の型: void

各言語での呼び出し定義

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

void glRects(
    SHORT x1,
    SHORT y1,
    SHORT x2,
    SHORT y2
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glRects(
    short x1,   // SHORT
    short y1,   // SHORT
    short x2,   // SHORT
    short y2   // SHORT
);

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

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

import ctypes
from ctypes import wintypes

glRects = ctypes.windll.opengl32.glRects
glRects.restype = None
glRects.argtypes = [
    ctypes.c_short,  # x1 : SHORT
    ctypes.c_short,  # y1 : SHORT
    ctypes.c_short,  # x2 : SHORT
    ctypes.c_short,  # y2 : SHORT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glRects = Fiddle::Function.new(
  lib['glRects'],
  [
    Fiddle::TYPE_SHORT,  # x1 : SHORT
    Fiddle::TYPE_SHORT,  # y1 : SHORT
    Fiddle::TYPE_SHORT,  # x2 : SHORT
    Fiddle::TYPE_SHORT,  # y2 : SHORT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glRects(
        x1: i16,  // SHORT
        y1: i16,  // SHORT
        x2: i16,  // SHORT
        y2: i16  // SHORT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glRects(short x1, short y1, short x2, short y2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glRects' -Namespace Win32 -PassThru
# $api::glRects(x1, y1, x2, y2)

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

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

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

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglRects = opengl32.NewProc("glRects")
)

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

procedure glRects(
  x1: Smallint;   // SHORT
  y1: Smallint;   // SHORT
  x2: Smallint;   // SHORT
  y2: Smallint   // SHORT
); stdcall;
  external 'OPENGL32.dll' name 'glRects';

result := DllCall("OPENGL32\glRects"
    , "Short", x1   ; SHORT
    , "Short", y1   ; SHORT
    , "Short", x2   ; SHORT
    , "Short", y2   ; SHORT
    , "Int")   ; return: void

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