ScriptGetCMap

// USP10.dll
#include <windows.h>

HRESULT ScriptGetCMap(
    HDC hdc,
    void** psc,
    LPCWSTR pwcInChars,
    INT cChars,
    DWORD dwFlags,
    WORD* pwOutGlyphs
);

<DllImport("USP10.dll", ExactSpelling:=True)>
Public Shared Function ScriptGetCMap(
    hdc As IntPtr,   ' HDC
    psc As IntPtr,   ' void** in/out
    <MarshalAs(UnmanagedType.LPWStr)> pwcInChars As String,   ' LPCWSTR
    cChars As Integer,   ' INT
    dwFlags As UInteger,   ' DWORD
    <Out> ByRef pwOutGlyphs As UShort   ' WORD* out
) As Integer
End Function

' hdc : HDC
' psc : void** in/out
' pwcInChars : LPCWSTR
' cChars : INT
' dwFlags : DWORD
' pwOutGlyphs : WORD* out
Declare PtrSafe Function ScriptGetCMap Lib "usp10" ( _
    ByVal hdc As LongPtr, _
    ByVal psc As LongPtr, _
    ByVal pwcInChars As LongPtr, _
    ByVal cChars As Long, _
    ByVal dwFlags As Long, _
    ByRef pwOutGlyphs As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ScriptGetCMap = ctypes.windll.usp10.ScriptGetCMap
ScriptGetCMap.restype = ctypes.c_int
ScriptGetCMap.argtypes = [
    wintypes.HANDLE,  # hdc : HDC
    ctypes.c_void_p,  # psc : void** in/out
    wintypes.LPCWSTR,  # pwcInChars : LPCWSTR
    ctypes.c_int,  # cChars : INT
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(ctypes.c_ushort),  # pwOutGlyphs : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USP10.dll')
ScriptGetCMap = Fiddle::Function.new(
  lib['ScriptGetCMap'],
  [
    Fiddle::TYPE_VOIDP,  # hdc : HDC
    Fiddle::TYPE_VOIDP,  # psc : void** in/out
    Fiddle::TYPE_VOIDP,  # pwcInChars : LPCWSTR
    Fiddle::TYPE_INT,  # cChars : INT
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pwOutGlyphs : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "usp10")]
extern "system" {
    fn ScriptGetCMap(
        hdc: *mut core::ffi::c_void,  // HDC
        psc: *mut *mut (),  // void** in/out
        pwcInChars: *const u16,  // LPCWSTR
        cChars: i32,  // INT
        dwFlags: u32,  // DWORD
        pwOutGlyphs: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USP10.dll")]
public static extern int ScriptGetCMap(IntPtr hdc, IntPtr psc, [MarshalAs(UnmanagedType.LPWStr)] string pwcInChars, int cChars, uint dwFlags, out ushort pwOutGlyphs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USP10_ScriptGetCMap' -Namespace Win32 -PassThru
# $api::ScriptGetCMap(hdc, psc, pwcInChars, cChars, dwFlags, pwOutGlyphs)

#uselib "USP10.dll"
#func global ScriptGetCMap "ScriptGetCMap" sptr, sptr, sptr, sptr, sptr, sptr
; ScriptGetCMap hdc, psc, pwcInChars, cChars, dwFlags, varptr(pwOutGlyphs)   ; 戻り値は stat
; hdc : HDC -> "sptr"
; psc : void** in/out -> "sptr"
; pwcInChars : LPCWSTR -> "sptr"
; cChars : INT -> "sptr"
; dwFlags : DWORD -> "sptr"
; pwOutGlyphs : WORD* 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 "USP10.dll"
#cfunc global ScriptGetCMap "ScriptGetCMap" sptr, sptr, wstr, int, int, var
; res = ScriptGetCMap(hdc, psc, pwcInChars, cChars, dwFlags, pwOutGlyphs)
; hdc : HDC -> "sptr"
; psc : void** in/out -> "sptr"
; pwcInChars : LPCWSTR -> "wstr"
; cChars : INT -> "int"
; dwFlags : DWORD -> "int"
; pwOutGlyphs : WORD* out -> "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。

; HRESULT ScriptGetCMap(HDC hdc, void** psc, LPCWSTR pwcInChars, INT cChars, DWORD dwFlags, WORD* pwOutGlyphs)
#uselib "USP10.dll"
#cfunc global ScriptGetCMap "ScriptGetCMap" intptr, intptr, wstr, int, int, var
; res = ScriptGetCMap(hdc, psc, pwcInChars, cChars, dwFlags, pwOutGlyphs)
; hdc : HDC -> "intptr"
; psc : void** in/out -> "intptr"
; pwcInChars : LPCWSTR -> "wstr"
; cChars : INT -> "int"
; dwFlags : DWORD -> "int"
; pwOutGlyphs : WORD* out -> "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 (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	usp10 = windows.NewLazySystemDLL("USP10.dll")
	procScriptGetCMap = usp10.NewProc("ScriptGetCMap")
)

// hdc (HDC), psc (void** in/out), pwcInChars (LPCWSTR), cChars (INT), dwFlags (DWORD), pwOutGlyphs (WORD* out)
r1, _, err := procScriptGetCMap.Call(
	uintptr(hdc),
	uintptr(psc),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwcInChars))),
	uintptr(cChars),
	uintptr(dwFlags),
	uintptr(pwOutGlyphs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ScriptGetCMap(
  hdc: THandle;   // HDC
  psc: Pointer;   // void** in/out
  pwcInChars: PWideChar;   // LPCWSTR
  cChars: Integer;   // INT
  dwFlags: DWORD;   // DWORD
  pwOutGlyphs: Pointer   // WORD* out
): Integer; stdcall;
  external 'USP10.dll' name 'ScriptGetCMap';

result := DllCall("USP10\ScriptGetCMap"
    , "Ptr", hdc   ; HDC
    , "Ptr", psc   ; void** in/out
    , "WStr", pwcInChars   ; LPCWSTR
    , "Int", cChars   ; INT
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pwOutGlyphs   ; WORD* out
    , "Int")   ; return: HRESULT

●ScriptGetCMap(hdc, psc, pwcInChars, cChars, dwFlags, pwOutGlyphs) = DLL("USP10.dll", "int ScriptGetCMap(void*, void*, char*, int, dword, void*)")
# 呼び出し: ScriptGetCMap(hdc, psc, pwcInChars, cChars, dwFlags, pwOutGlyphs)
# hdc : HDC -> "void*"
# psc : void** in/out -> "void*"
# pwcInChars : LPCWSTR -> "char*"
# cChars : INT -> "int"
# dwFlags : DWORD -> "dword"
# pwOutGlyphs : WORD* 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)。