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GdipIsMatrixInvertible

関数
変換行列が逆行列を持てるかどうかを判定する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipIsMatrixInvertible(
    const Matrix* matrix,
    BOOL* result
);

パラメーター

名前方向
matrixMatrix*in
resultBOOL*inout

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipIsMatrixInvertible(
    const Matrix* matrix,
    BOOL* result
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipIsMatrixInvertible(
    ref IntPtr matrix,   // Matrix*
    ref int result   // BOOL* in/out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipIsMatrixInvertible(
    ByRef matrix As IntPtr,   ' Matrix*
    ByRef result As Integer   ' BOOL* in/out
) As Integer
End Function
' matrix : Matrix*
' result : BOOL* in/out
Declare PtrSafe Function GdipIsMatrixInvertible Lib "gdiplus" ( _
    ByRef matrix As LongPtr, _
    ByRef result As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GdipIsMatrixInvertible = ctypes.windll.gdiplus.GdipIsMatrixInvertible
GdipIsMatrixInvertible.restype = ctypes.c_int
GdipIsMatrixInvertible.argtypes = [
    ctypes.c_void_p,  # matrix : Matrix*
    ctypes.c_void_p,  # result : BOOL* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipIsMatrixInvertible = Fiddle::Function.new(
  lib['GdipIsMatrixInvertible'],
  [
    Fiddle::TYPE_VOIDP,  # matrix : Matrix*
    Fiddle::TYPE_VOIDP,  # result : BOOL* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipIsMatrixInvertible(
        matrix: *const isize,  // Matrix*
        result: *mut i32  // BOOL* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipIsMatrixInvertible(ref IntPtr matrix, ref int result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipIsMatrixInvertible' -Namespace Win32 -PassThru
# $api::GdipIsMatrixInvertible(matrix, result)
#uselib "gdiplus.dll"
#func global GdipIsMatrixInvertible "GdipIsMatrixInvertible" sptr, sptr
; GdipIsMatrixInvertible matrix, result   ; 戻り値は stat
; matrix : Matrix* -> "sptr"
; result : BOOL* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
#uselib "gdiplus.dll"
#cfunc global GdipIsMatrixInvertible "GdipIsMatrixInvertible" int, int
; res = GdipIsMatrixInvertible(matrix, result)
; matrix : Matrix* -> "int"
; result : BOOL* in/out -> "int"
; Status GdipIsMatrixInvertible(Matrix* matrix, BOOL* result)
#uselib "gdiplus.dll"
#cfunc global GdipIsMatrixInvertible "GdipIsMatrixInvertible" int, int
; res = GdipIsMatrixInvertible(matrix, result)
; matrix : Matrix* -> "int"
; result : BOOL* in/out -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipIsMatrixInvertible = gdiplus.NewProc("GdipIsMatrixInvertible")
)

// matrix (Matrix*), result (BOOL* in/out)
r1, _, err := procGdipIsMatrixInvertible.Call(
	uintptr(matrix),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipIsMatrixInvertible(
  matrix: Pointer;   // Matrix*
  result: Pointer   // BOOL* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipIsMatrixInvertible';
result := DllCall("gdiplus\GdipIsMatrixInvertible"
    , "Ptr", matrix   ; Matrix*
    , "Ptr", result   ; BOOL* in/out
    , "Int")   ; return: Status
●GdipIsMatrixInvertible(matrix, result) = DLL("gdiplus.dll", "int GdipIsMatrixInvertible(void*, void*)")
# 呼び出し: GdipIsMatrixInvertible(matrix, result)
# matrix : Matrix* -> "void*"
# result : BOOL* in/out -> "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)。