Win32 API 日本語リファレンス
ホームGraphics.OpenGL › glMap2d

glMap2d

関数
2次元エバリュエータの倍精度制御点を定義する。
DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glMap2d(
    DWORD target,
    DOUBLE u1,
    DOUBLE u2,
    INT ustride,
    INT uorder,
    DOUBLE v1,
    DOUBLE v2,
    INT vstride,
    INT vorder,
    const DOUBLE* points
);

パラメーター

名前方向
targetDWORDin
u1DOUBLEin
u2DOUBLEin
ustrideINTin
uorderINTin
v1DOUBLEin
v2DOUBLEin
vstrideINTin
vorderINTin
pointsDOUBLE*in

戻り値の型: void

各言語での呼び出し定義

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

void glMap2d(
    DWORD target,
    DOUBLE u1,
    DOUBLE u2,
    INT ustride,
    INT uorder,
    DOUBLE v1,
    DOUBLE v2,
    INT vstride,
    INT vorder,
    const DOUBLE* points
);
[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glMap2d(
    uint target,   // DWORD
    double u1,   // DOUBLE
    double u2,   // DOUBLE
    int ustride,   // INT
    int uorder,   // INT
    double v1,   // DOUBLE
    double v2,   // DOUBLE
    int vstride,   // INT
    int vorder,   // INT
    ref double points   // DOUBLE*
);
<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glMap2d(
    target As UInteger,   ' DWORD
    u1 As Double,   ' DOUBLE
    u2 As Double,   ' DOUBLE
    ustride As Integer,   ' INT
    uorder As Integer,   ' INT
    v1 As Double,   ' DOUBLE
    v2 As Double,   ' DOUBLE
    vstride As Integer,   ' INT
    vorder As Integer,   ' INT
    ByRef points As Double   ' DOUBLE*
)
End Sub
' target : DWORD
' u1 : DOUBLE
' u2 : DOUBLE
' ustride : INT
' uorder : INT
' v1 : DOUBLE
' v2 : DOUBLE
' vstride : INT
' vorder : INT
' points : DOUBLE*
Declare PtrSafe Sub glMap2d Lib "opengl32" ( _
    ByVal target As Long, _
    ByVal u1 As Double, _
    ByVal u2 As Double, _
    ByVal ustride As Long, _
    ByVal uorder As Long, _
    ByVal v1 As Double, _
    ByVal v2 As Double, _
    ByVal vstride As Long, _
    ByVal vorder As Long, _
    ByRef points As Double)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

glMap2d = ctypes.windll.opengl32.glMap2d
glMap2d.restype = None
glMap2d.argtypes = [
    wintypes.DWORD,  # target : DWORD
    ctypes.c_double,  # u1 : DOUBLE
    ctypes.c_double,  # u2 : DOUBLE
    ctypes.c_int,  # ustride : INT
    ctypes.c_int,  # uorder : INT
    ctypes.c_double,  # v1 : DOUBLE
    ctypes.c_double,  # v2 : DOUBLE
    ctypes.c_int,  # vstride : INT
    ctypes.c_int,  # vorder : INT
    ctypes.POINTER(ctypes.c_double),  # points : DOUBLE*
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glMap2d = Fiddle::Function.new(
  lib['glMap2d'],
  [
    -Fiddle::TYPE_INT,  # target : DWORD
    Fiddle::TYPE_DOUBLE,  # u1 : DOUBLE
    Fiddle::TYPE_DOUBLE,  # u2 : DOUBLE
    Fiddle::TYPE_INT,  # ustride : INT
    Fiddle::TYPE_INT,  # uorder : INT
    Fiddle::TYPE_DOUBLE,  # v1 : DOUBLE
    Fiddle::TYPE_DOUBLE,  # v2 : DOUBLE
    Fiddle::TYPE_INT,  # vstride : INT
    Fiddle::TYPE_INT,  # vorder : INT
    Fiddle::TYPE_VOIDP,  # points : DOUBLE*
  ],
  Fiddle::TYPE_VOID)
#[link(name = "opengl32")]
extern "system" {
    fn glMap2d(
        target: u32,  // DWORD
        u1: f64,  // DOUBLE
        u2: f64,  // DOUBLE
        ustride: i32,  // INT
        uorder: i32,  // INT
        v1: f64,  // DOUBLE
        v2: f64,  // DOUBLE
        vstride: i32,  // INT
        vorder: i32,  // INT
        points: *const f64  // DOUBLE*
    );
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glMap2d(uint target, double u1, double u2, int ustride, int uorder, double v1, double v2, int vstride, int vorder, ref double points);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glMap2d' -Namespace Win32 -PassThru
# $api::glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points)
#uselib "OPENGL32.dll"
#func global glMap2d "glMap2d" sptr, double, double, sptr, sptr, double, double, sptr, sptr, sptr
; glMap2d target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, varptr(points)
; target : DWORD -> "sptr"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; ustride : INT -> "sptr"
; uorder : INT -> "sptr"
; v1 : DOUBLE -> "double"
; v2 : DOUBLE -> "double"
; vstride : INT -> "sptr"
; vorder : INT -> "sptr"
; points : DOUBLE* -> "sptr"
出力引数:
#uselib "OPENGL32.dll"
#func global glMap2d "glMap2d" int, double, double, int, int, double, double, int, int, var
; glMap2d target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points
; target : DWORD -> "int"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; ustride : INT -> "int"
; uorder : INT -> "int"
; v1 : DOUBLE -> "double"
; v2 : DOUBLE -> "double"
; vstride : INT -> "int"
; vorder : INT -> "int"
; points : DOUBLE* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; void glMap2d(DWORD target, DOUBLE u1, DOUBLE u2, INT ustride, INT uorder, DOUBLE v1, DOUBLE v2, INT vstride, INT vorder, DOUBLE* points)
#uselib "OPENGL32.dll"
#func global glMap2d "glMap2d" int, double, double, int, int, double, double, int, int, var
; glMap2d target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points
; target : DWORD -> "int"
; u1 : DOUBLE -> "double"
; u2 : DOUBLE -> "double"
; ustride : INT -> "int"
; uorder : INT -> "int"
; v1 : DOUBLE -> "double"
; v2 : DOUBLE -> "double"
; vstride : INT -> "int"
; vorder : INT -> "int"
; points : DOUBLE* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglMap2d = opengl32.NewProc("glMap2d")
)

// target (DWORD), u1 (DOUBLE), u2 (DOUBLE), ustride (INT), uorder (INT), v1 (DOUBLE), v2 (DOUBLE), vstride (INT), vorder (INT), points (DOUBLE*)
r1, _, err := procglMap2d.Call(
	uintptr(target),
	uintptr(math.Float64bits(u1)),
	uintptr(math.Float64bits(u2)),
	uintptr(ustride),
	uintptr(uorder),
	uintptr(math.Float64bits(v1)),
	uintptr(math.Float64bits(v2)),
	uintptr(vstride),
	uintptr(vorder),
	uintptr(points),
)
_ = 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 glMap2d(
  target: DWORD;   // DWORD
  u1: Double;   // DOUBLE
  u2: Double;   // DOUBLE
  ustride: Integer;   // INT
  uorder: Integer;   // INT
  v1: Double;   // DOUBLE
  v2: Double;   // DOUBLE
  vstride: Integer;   // INT
  vorder: Integer;   // INT
  points: Pointer   // DOUBLE*
); stdcall;
  external 'OPENGL32.dll' name 'glMap2d';
result := DllCall("OPENGL32\glMap2d"
    , "UInt", target   ; DWORD
    , "Double", u1   ; DOUBLE
    , "Double", u2   ; DOUBLE
    , "Int", ustride   ; INT
    , "Int", uorder   ; INT
    , "Double", v1   ; DOUBLE
    , "Double", v2   ; DOUBLE
    , "Int", vstride   ; INT
    , "Int", vorder   ; INT
    , "Ptr", points   ; DOUBLE*
    , "Int")   ; return: void
●glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points) = DLL("OPENGL32.dll", "int glMap2d(dword, double, double, int, int, double, double, int, int, void*)")
# 呼び出し: glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points)
# target : DWORD -> "dword"
# u1 : DOUBLE -> "double"
# u2 : DOUBLE -> "double"
# ustride : INT -> "int"
# uorder : INT -> "int"
# v1 : DOUBLE -> "double"
# v2 : DOUBLE -> "double"
# vstride : INT -> "int"
# vorder : INT -> "int"
# points : DOUBLE* -> "void*"
# 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)。